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GNU GENERAL PUBLIC LICENSE
Version 3, 29 June 2007
Copyright © 2007 Free Software Foundation, Inc. <https://fsf.org/>
Everyone is permitted to copy and distribute verbatim copies of this license document, but changing it is not allowed.
Preamble
The GNU General Public License is a free, copyleft license for software and other kinds of works.
The licenses for most software and other practical works are designed to take away your freedom to share and change the works. By contrast, the GNU General Public License is intended to guarantee your freedom to share and change all versions of a program--to make sure it remains free software for all its users. We, the Free Software Foundation, use the GNU General Public License for most of our software; it applies also to any other work released this way by its authors. You can apply it to your programs, too.
When we speak of free software, we are referring to freedom, not price. Our General Public Licenses are designed to make sure that you have the freedom to distribute copies of free software (and charge for them if you wish), that you receive source code or can get it if you want it, that you can change the software or use pieces of it in new free programs, and that you know you can do these things.
To protect your rights, we need to prevent others from denying you these rights or asking you to surrender the rights. Therefore, you have certain responsibilities if you distribute copies of the software, or if you modify it: responsibilities to respect the freedom of others.
For example, if you distribute copies of such a program, whether gratis or for a fee, you must pass on to the recipients the same freedoms that you received. You must make sure that they, too, receive or can get the source code. And you must show them these terms so they know their rights.
Developers that use the GNU GPL protect your rights with two steps: (1) assert copyright on the software, and (2) offer you this License giving you legal permission to copy, distribute and/or modify it.
For the developers' and authors' protection, the GPL clearly explains that there is no warranty for this free software. For both users' and authors' sake, the GPL requires that modified versions be marked as changed, so that their problems will not be attributed erroneously to authors of previous versions.
Some devices are designed to deny users access to install or run modified versions of the software inside them, although the manufacturer can do so. This is fundamentally incompatible with the aim of protecting users' freedom to change the software. The systematic pattern of such abuse occurs in the area of products for individuals to use, which is precisely where it is most unacceptable. Therefore, we have designed this version of the GPL to prohibit the practice for those products. If such problems arise substantially in other domains, we stand ready to extend this provision to those domains in future versions of the GPL, as needed to protect the freedom of users.
Finally, every program is threatened constantly by software patents. States should not allow patents to restrict development and use of software on general-purpose computers, but in those that do, we wish to avoid the special danger that patents applied to a free program could make it effectively proprietary. To prevent this, the GPL assures that patents cannot be used to render the program non-free.
The precise terms and conditions for copying, distribution and modification follow.
TERMS AND CONDITIONS
0. Definitions.
“This License” refers to version 3 of the GNU General Public License.
“Copyright” also means copyright-like laws that apply to other kinds of works, such as semiconductor masks.
“The Program” refers to any copyrightable work licensed under this License. Each licensee is addressed as “you”. “Licensees” and “recipients” may be individuals or organizations.
To “modify” a work means to copy from or adapt all or part of the work in a fashion requiring copyright permission, other than the making of an exact copy. The resulting work is called a “modified version” of the earlier work or a work “based on” the earlier work.
A “covered work” means either the unmodified Program or a work based on the Program.
To “propagate” a work means to do anything with it that, without permission, would make you directly or secondarily liable for infringement under applicable copyright law, except executing it on a computer or modifying a private copy. Propagation includes copying, distribution (with or without modification), making available to the public, and in some countries other activities as well.
To “convey” a work means any kind of propagation that enables other parties to make or receive copies. Mere interaction with a user through a computer network, with no transfer of a copy, is not conveying.
An interactive user interface displays “Appropriate Legal Notices” to the extent that it includes a convenient and prominently visible feature that (1) displays an appropriate copyright notice, and (2) tells the user that there is no warranty for the work (except to the extent that warranties are provided), that licensees may convey the work under this License, and how to view a copy of this License. If the interface presents a list of user commands or options, such as a menu, a prominent item in the list meets this criterion.
1. Source Code.
The “source code” for a work means the preferred form of the work for making modifications to it. “Object code” means any non-source form of a work.
A “Standard Interface” means an interface that either is an official standard defined by a recognized standards body, or, in the case of interfaces specified for a particular programming language, one that is widely used among developers working in that language.
The “System Libraries” of an executable work include anything, other than the work as a whole, that (a) is included in the normal form of packaging a Major Component, but which is not part of that Major Component, and (b) serves only to enable use of the work with that Major Component, or to implement a Standard Interface for which an implementation is available to the public in source code form. A “Major Component”, in this context, means a major essential component (kernel, window system, and so on) of the specific operating system (if any) on which the executable work runs, or a compiler used to produce the work, or an object code interpreter used to run it.
The “Corresponding Source” for a work in object code form means all the source code needed to generate, install, and (for an executable work) run the object code and to modify the work, including scripts to control those activities. However, it does not include the work's System Libraries, or general-purpose tools or generally available free programs which are used unmodified in performing those activities but which are not part of the work. For example, Corresponding Source includes interface definition files associated with source files for the work, and the source code for shared libraries and dynamically linked subprograms that the work is specifically designed to require, such as by intimate data communication or control flow between those subprograms and other parts of the work.
The Corresponding Source need not include anything that users can regenerate automatically from other parts of the Corresponding Source.
The Corresponding Source for a work in source code form is that same work.
2. Basic Permissions.
All rights granted under this License are granted for the term of copyright on the Program, and are irrevocable provided the stated conditions are met. This License explicitly affirms your unlimited permission to run the unmodified Program. The output from running a covered work is covered by this License only if the output, given its content, constitutes a covered work. This License acknowledges your rights of fair use or other equivalent, as provided by copyright law.
You may make, run and propagate covered works that you do not convey, without conditions so long as your license otherwise remains in force. You may convey covered works to others for the sole purpose of having them make modifications exclusively for you, or provide you with facilities for running those works, provided that you comply with the terms of this License in conveying all material for which you do not control copyright. Those thus making or running the covered works for you must do so exclusively on your behalf, under your direction and control, on terms that prohibit them from making any copies of your copyrighted material outside their relationship with you.
Conveying under any other circumstances is permitted solely under the conditions stated below. Sublicensing is not allowed; section 10 makes it unnecessary.
3. Protecting Users' Legal Rights From Anti-Circumvention Law.
No covered work shall be deemed part of an effective technological measure under any applicable law fulfilling obligations under article 11 of the WIPO copyright treaty adopted on 20 December 1996, or similar laws prohibiting or restricting circumvention of such measures.
When you convey a covered work, you waive any legal power to forbid circumvention of technological measures to the extent such circumvention is effected by exercising rights under this License with respect to the covered work, and you disclaim any intention to limit operation or modification of the work as a means of enforcing, against the work's users, your or third parties' legal rights to forbid circumvention of technological measures.
4. Conveying Verbatim Copies.
You may convey verbatim copies of the Program's source code as you receive it, in any medium, provided that you conspicuously and appropriately publish on each copy an appropriate copyright notice; keep intact all notices stating that this License and any non-permissive terms added in accord with section 7 apply to the code; keep intact all notices of the absence of any warranty; and give all recipients a copy of this License along with the Program.
You may charge any price or no price for each copy that you convey, and you may offer support or warranty protection for a fee.
5. Conveying Modified Source Versions.
You may convey a work based on the Program, or the modifications to produce it from the Program, in the form of source code under the terms of section 4, provided that you also meet all of these conditions:
a) The work must carry prominent notices stating that you modified it, and giving a relevant date.
b) The work must carry prominent notices stating that it is released under this License and any conditions added under section 7. This requirement modifies the requirement in section 4 to “keep intact all notices”.
c) You must license the entire work, as a whole, under this License to anyone who comes into possession of a copy. This License will therefore apply, along with any applicable section 7 additional terms, to the whole of the work, and all its parts, regardless of how they are packaged. This License gives no permission to license the work in any other way, but it does not invalidate such permission if you have separately received it.
d) If the work has interactive user interfaces, each must display Appropriate Legal Notices; however, if the Program has interactive interfaces that do not display Appropriate Legal Notices, your work need not make them do so.
A compilation of a covered work with other separate and independent works, which are not by their nature extensions of the covered work, and which are not combined with it such as to form a larger program, in or on a volume of a storage or distribution medium, is called an “aggregate” if the compilation and its resulting copyright are not used to limit the access or legal rights of the compilation's users beyond what the individual works permit. Inclusion of a covered work in an aggregate does not cause this License to apply to the other parts of the aggregate.
6. Conveying Non-Source Forms.
You may convey a covered work in object code form under the terms of sections 4 and 5, provided that you also convey the machine-readable Corresponding Source under the terms of this License, in one of these ways:
a) Convey the object code in, or embodied in, a physical product (including a physical distribution medium), accompanied by the Corresponding Source fixed on a durable physical medium customarily used for software interchange.
b) Convey the object code in, or embodied in, a physical product (including a physical distribution medium), accompanied by a written offer, valid for at least three years and valid for as long as you offer spare parts or customer support for that product model, to give anyone who possesses the object code either (1) a copy of the Corresponding Source for all the software in the product that is covered by this License, on a durable physical medium customarily used for software interchange, for a price no more than your reasonable cost of physically performing this conveying of source, or (2) access to copy the Corresponding Source from a network server at no charge.
c) Convey individual copies of the object code with a copy of the written offer to provide the Corresponding Source. This alternative is allowed only occasionally and noncommercially, and only if you received the object code with such an offer, in accord with subsection 6b.
d) Convey the object code by offering access from a designated place (gratis or for a charge), and offer equivalent access to the Corresponding Source in the same way through the same place at no further charge. You need not require recipients to copy the Corresponding Source along with the object code. If the place to copy the object code is a network server, the Corresponding Source may be on a different server (operated by you or a third party) that supports equivalent copying facilities, provided you maintain clear directions next to the object code saying where to find the Corresponding Source. Regardless of what server hosts the Corresponding Source, you remain obligated to ensure that it is available for as long as needed to satisfy these requirements.
e) Convey the object code using peer-to-peer transmission, provided you inform other peers where the object code and Corresponding Source of the work are being offered to the general public at no charge under subsection 6d.
A separable portion of the object code, whose source code is excluded from the Corresponding Source as a System Library, need not be included in conveying the object code work.
A “User Product” is either (1) a “consumer product”, which means any tangible personal property which is normally used for personal, family, or household purposes, or (2) anything designed or sold for incorporation into a dwelling. In determining whether a product is a consumer product, doubtful cases shall be resolved in favor of coverage. For a particular product received by a particular user, “normally used” refers to a typical or common use of that class of product, regardless of the status of the particular user or of the way in which the particular user actually uses, or expects or is expected to use, the product. A product is a consumer product regardless of whether the product has substantial commercial, industrial or non-consumer uses, unless such uses represent the only significant mode of use of the product.
“Installation Information” for a User Product means any methods, procedures, authorization keys, or other information required to install and execute modified versions of a covered work in that User Product from a modified version of its Corresponding Source. The information must suffice to ensure that the continued functioning of the modified object code is in no case prevented or interfered with solely because modification has been made.
If you convey an object code work under this section in, or with, or specifically for use in, a User Product, and the conveying occurs as part of a transaction in which the right of possession and use of the User Product is transferred to the recipient in perpetuity or for a fixed term (regardless of how the transaction is characterized), the Corresponding Source conveyed under this section must be accompanied by the Installation Information. But this requirement does not apply if neither you nor any third party retains the ability to install modified object code on the User Product (for example, the work has been installed in ROM).
The requirement to provide Installation Information does not include a requirement to continue to provide support service, warranty, or updates for a work that has been modified or installed by the recipient, or for the User Product in which it has been modified or installed. Access to a network may be denied when the modification itself materially and adversely affects the operation of the network or violates the rules and protocols for communication across the network.
Corresponding Source conveyed, and Installation Information provided, in accord with this section must be in a format that is publicly documented (and with an implementation available to the public in source code form), and must require no special password or key for unpacking, reading or copying.
7. Additional Terms.
“Additional permissions” are terms that supplement the terms of this License by making exceptions from one or more of its conditions. Additional permissions that are applicable to the entire Program shall be treated as though they were included in this License, to the extent that they are valid under applicable law. If additional permissions apply only to part of the Program, that part may be used separately under those permissions, but the entire Program remains governed by this License without regard to the additional permissions.
When you convey a copy of a covered work, you may at your option remove any additional permissions from that copy, or from any part of it. (Additional permissions may be written to require their own removal in certain cases when you modify the work.) You may place additional permissions on material, added by you to a covered work, for which you have or can give appropriate copyright permission.
Notwithstanding any other provision of this License, for material you add to a covered work, you may (if authorized by the copyright holders of that material) supplement the terms of this License with terms:
a) Disclaiming warranty or limiting liability differently from the terms of sections 15 and 16 of this License; or
b) Requiring preservation of specified reasonable legal notices or author attributions in that material or in the Appropriate Legal Notices displayed by works containing it; or
c) Prohibiting misrepresentation of the origin of that material, or requiring that modified versions of such material be marked in reasonable ways as different from the original version; or
d) Limiting the use for publicity purposes of names of licensors or authors of the material; or
e) Declining to grant rights under trademark law for use of some trade names, trademarks, or service marks; or
f) Requiring indemnification of licensors and authors of that material by anyone who conveys the material (or modified versions of it) with contractual assumptions of liability to the recipient, for any liability that these contractual assumptions directly impose on those licensors and authors.
All other non-permissive additional terms are considered “further restrictions” within the meaning of section 10. If the Program as you received it, or any part of it, contains a notice stating that it is governed by this License along with a term that is a further restriction, you may remove that term. If a license document contains a further restriction but permits relicensing or conveying under this License, you may add to a covered work material governed by the terms of that license document, provided that the further restriction does not survive such relicensing or conveying.
If you add terms to a covered work in accord with this section, you must place, in the relevant source files, a statement of the additional terms that apply to those files, or a notice indicating where to find the applicable terms.
Additional terms, permissive or non-permissive, may be stated in the form of a separately written license, or stated as exceptions; the above requirements apply either way.
8. Termination.
You may not propagate or modify a covered work except as expressly provided under this License. Any attempt otherwise to propagate or modify it is void, and will automatically terminate your rights under this License (including any patent licenses granted under the third paragraph of section 11).
However, if you cease all violation of this License, then your license from a particular copyright holder is reinstated (a) provisionally, unless and until the copyright holder explicitly and finally terminates your license, and (b) permanently, if the copyright holder fails to notify you of the violation by some reasonable means prior to 60 days after the cessation.
Moreover, your license from a particular copyright holder is reinstated permanently if the copyright holder notifies you of the violation by some reasonable means, this is the first time you have received notice of violation of this License (for any work) from that copyright holder, and you cure the violation prior to 30 days after your receipt of the notice.
Termination of your rights under this section does not terminate the licenses of parties who have received copies or rights from you under this License. If your rights have been terminated and not permanently reinstated, you do not qualify to receive new licenses for the same material under section 10.
9. Acceptance Not Required for Having Copies.
You are not required to accept this License in order to receive or run a copy of the Program. Ancillary propagation of a covered work occurring solely as a consequence of using peer-to-peer transmission to receive a copy likewise does not require acceptance. However, nothing other than this License grants you permission to propagate or modify any covered work. These actions infringe copyright if you do not accept this License. Therefore, by modifying or propagating a covered work, you indicate your acceptance of this License to do so.
10. Automatic Licensing of Downstream Recipients.
Each time you convey a covered work, the recipient automatically receives a license from the original licensors, to run, modify and propagate that work, subject to this License. You are not responsible for enforcing compliance by third parties with this License.
An “entity transaction” is a transaction transferring control of an organization, or substantially all assets of one, or subdividing an organization, or merging organizations. If propagation of a covered work results from an entity transaction, each party to that transaction who receives a copy of the work also receives whatever licenses to the work the party's predecessor in interest had or could give under the previous paragraph, plus a right to possession of the Corresponding Source of the work from the predecessor in interest, if the predecessor has it or can get it with reasonable efforts.
You may not impose any further restrictions on the exercise of the rights granted or affirmed under this License. For example, you may not impose a license fee, royalty, or other charge for exercise of rights granted under this License, and you may not initiate litigation (including a cross-claim or counterclaim in a lawsuit) alleging that any patent claim is infringed by making, using, selling, offering for sale, or importing the Program or any portion of it.
11. Patents.
A “contributor” is a copyright holder who authorizes use under this License of the Program or a work on which the Program is based. The work thus licensed is called the contributor's “contributor version”.
A contributor's “essential patent claims” are all patent claims owned or controlled by the contributor, whether already acquired or hereafter acquired, that would be infringed by some manner, permitted by this License, of making, using, or selling its contributor version, but do not include claims that would be infringed only as a consequence of further modification of the contributor version. For purposes of this definition, “control” includes the right to grant patent sublicenses in a manner consistent with the requirements of this License.
Each contributor grants you a non-exclusive, worldwide, royalty-free patent license under the contributor's essential patent claims, to make, use, sell, offer for sale, import and otherwise run, modify and propagate the contents of its contributor version.
In the following three paragraphs, a “patent license” is any express agreement or commitment, however denominated, not to enforce a patent (such as an express permission to practice a patent or covenant not to sue for patent infringement). To “grant” such a patent license to a party means to make such an agreement or commitment not to enforce a patent against the party.
If you convey a covered work, knowingly relying on a patent license, and the Corresponding Source of the work is not available for anyone to copy, free of charge and under the terms of this License, through a publicly available network server or other readily accessible means, then you must either (1) cause the Corresponding Source to be so available, or (2) arrange to deprive yourself of the benefit of the patent license for this particular work, or (3) arrange, in a manner consistent with the requirements of this License, to extend the patent license to downstream recipients. “Knowingly relying” means you have actual knowledge that, but for the patent license, your conveying the covered work in a country, or your recipient's use of the covered work in a country, would infringe one or more identifiable patents in that country that you have reason to believe are valid.
If, pursuant to or in connection with a single transaction or arrangement, you convey, or propagate by procuring conveyance of, a covered work, and grant a patent license to some of the parties receiving the covered work authorizing them to use, propagate, modify or convey a specific copy of the covered work, then the patent license you grant is automatically extended to all recipients of the covered work and works based on it.
A patent license is “discriminatory” if it does not include within the scope of its coverage, prohibits the exercise of, or is conditioned on the non-exercise of one or more of the rights that are specifically granted under this License. You may not convey a covered work if you are a party to an arrangement with a third party that is in the business of distributing software, under which you make payment to the third party based on the extent of your activity of conveying the work, and under which the third party grants, to any of the parties who would receive the covered work from you, a discriminatory patent license (a) in connection with copies of the covered work conveyed by you (or copies made from those copies), or (b) primarily for and in connection with specific products or compilations that contain the covered work, unless you entered into that arrangement, or that patent license was granted, prior to 28 March 2007.
Nothing in this License shall be construed as excluding or limiting any implied license or other defenses to infringement that may otherwise be available to you under applicable patent law.
12. No Surrender of Others' Freedom.
If conditions are imposed on you (whether by court order, agreement or otherwise) that contradict the conditions of this License, they do not excuse you from the conditions of this License. If you cannot convey a covered work so as to satisfy simultaneously your obligations under this License and any other pertinent obligations, then as a consequence you may not convey it at all. For example, if you agree to terms that obligate you to collect a royalty for further conveying from those to whom you convey the Program, the only way you could satisfy both those terms and this License would be to refrain entirely from conveying the Program.
13. Use with the GNU Affero General Public License.
Notwithstanding any other provision of this License, you have permission to link or combine any covered work with a work licensed under version 3 of the GNU Affero General Public License into a single combined work, and to convey the resulting work. The terms of this License will continue to apply to the part which is the covered work, but the special requirements of the GNU Affero General Public License, section 13, concerning interaction through a network will apply to the combination as such.
14. Revised Versions of this License.
The Free Software Foundation may publish revised and/or new versions of the GNU General Public License from time to time. Such new versions will be similar in spirit to the present version, but may differ in detail to address new problems or concerns.
Each version is given a distinguishing version number. If the Program specifies that a certain numbered version of the GNU General Public License “or any later version” applies to it, you have the option of following the terms and conditions either of that numbered version or of any later version published by the Free Software Foundation. If the Program does not specify a version number of the GNU General Public License, you may choose any version ever published by the Free Software Foundation.
If the Program specifies that a proxy can decide which future versions of the GNU General Public License can be used, that proxy's public statement of acceptance of a version permanently authorizes you to choose that version for the Program.
Later license versions may give you additional or different permissions. However, no additional obligations are imposed on any author or copyright holder as a result of your choosing to follow a later version.
15. Disclaimer of Warranty.
THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM “AS IS” WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
16. Limitation of Liability.
IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
17. Interpretation of Sections 15 and 16.
If the disclaimer of warranty and limitation of liability provided above cannot be given local legal effect according to their terms, reviewing courts shall apply local law that most closely approximates an absolute waiver of all civil liability in connection with the Program, unless a warranty or assumption of liability accompanies a copy of the Program in return for a fee.
END OF TERMS AND CONDITIONS
How to Apply These Terms to Your New Programs
If you develop a new program, and you want it to be of the greatest possible use to the public, the best way to achieve this is to make it free software which everyone can redistribute and change under these terms.
To do so, attach the following notices to the program. It is safest to attach them to the start of each source file to most effectively state the exclusion of warranty; and each file should have at least the “copyright” line and a pointer to where the full notice is found.
homepage
Copyright (C) 2024 valhrafnaz
This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with this program. If not, see <https://www.gnu.org/licenses/>.
Also add information on how to contact you by electronic and paper mail.
If the program does terminal interaction, make it output a short notice like this when it starts in an interactive mode:
homepage Copyright (C) 2024 valhrafnaz
This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
This is free software, and you are welcome to redistribute it under certain conditions; type `show c' for details.
The hypothetical commands `show w' and `show c' should show the appropriate parts of the General Public License. Of course, your program's commands might be different; for a GUI interface, you would use an “about box”.
You should also get your employer (if you work as a programmer) or school, if any, to sign a “copyright disclaimer” for the program, if necessary. For more information on this, and how to apply and follow the GNU GPL, see <https://www.gnu.org/licenses/>.
The GNU General Public License does not permit incorporating your program into proprietary programs. If your program is a subroutine library, you may consider it more useful to permit linking proprietary applications with the library. If this is what you want to do, use the GNU Lesser General Public License instead of this License. But first, please read <https://www.gnu.org/philosophy/why-not-lgpl.html>.

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# homepage
this repo contains all the source files for my homepage
for just the template parts: [homepage-template](https://git.valhrafnaz.gay/valhrafnaz/homepage-templates)

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module.exports = async function(eleventyConfig) {
// Input directory: src
// Output directory: _site
eleventyConfig.addWatchTarget("tailwind.config.js");
eleventyConfig.addWatchTarget(".src/**/*/*.css");
eleventyConfig.addFilter("truncatewords", function (str = "", limit = 30) {
return str.toString()
.trim()
.split(/\s+/g, limit)
.join(" ") + "&hellip;";
});
eleventyConfig.addPassthroughCopy("src/**/*/tailwind.css");
eleventyConfig.addPassthroughCopy("src/assets/img");
eleventyConfig.addPassthroughCopy("src/scripts/");
eleventyConfig.addPassthroughCopy("src/**/*.{png, jpeg, jpg, avif, gif}");
eleventyConfig.addPassthroughCopy("src/**/*.{ttf,otf,woff}");
};
module.exports.config = {
markdownTemplateEngine: "njk",
htmlTemplateEngine: 'njk',
};

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on:
push:
branches-ignore:
- "gh-pages"
jobs:
build:
runs-on: ${{ matrix.os }}
strategy:
matrix:
os: ["ubuntu-latest", "macos-latest", "windows-latest"]
node: ["16", "18", "20"]
name: Node.js ${{ matrix.node }} on ${{ matrix.os }}
steps:
- uses: actions/checkout@v3
- name: Setup node
uses: actions/setup-node@v3
with:
node-version: ${{ matrix.node }}
- run: npm install
- run: npm test
env:
YARN_GPG: no

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MIT License
Copyright (c) 2023 Zach Leatherman
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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# `dependency-tree-esm`
Returns an unordered array of local paths to dependencies of a Node ES module JavaScript file.
* See also: [`dependency-tree`](https://github.com/11ty/eleventy-dependency-tree) for the CommonJS version.
This is used by Eleventy to find dependencies of a JavaScript file to watch for changes to re-run Eleventy’s build.
## Installation
```
npm install --save-dev @11ty/dependency-tree-esm
```
## Features
* Ignores bare specifiers (e.g. `import "my-package"`)
* Ignores Node’s built-ins (e.g. `import "path"`)
* Handles circular dependencies
* Returns an empty set if the file does not exist.
## Usage
```js
// my-file.js
// if my-local-dependency.js has dependencies, it will include those too
import "./my-local-dependency.js";
// ignored, is a built-in
import path from "path";
```
```js
const { find } = require("@11ty/dependency-tree-esm");
find("./my-file.js");
// returns ["./my-local-dependency.js"]
```

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const path = require("path");
const { existsSync } = require("fs");
const { readFile } = require("fs/promises");
const acorn = require("acorn");
const normalizePath = require("normalize-path");
const { TemplatePath } = require("@11ty/eleventy-utils");
// Is *not* a bare specifier (e.g. 'some-package')
// https://nodejs.org/dist/latest-v18.x/docs/api/esm.html#terminology
function isNonBareSpecifier(importSource) {
// Change \\ to / on Windows
let normalized = normalizePath(importSource);
// Relative specifier (e.g. './startup.js')
if(normalized.startsWith("./") || normalized.startsWith("../")) {
return true;
}
// Absolute specifier (e.g. 'file:///opt/nodejs/config.js')
if(normalized.startsWith("file:")) {
return true;
}
return false;
}
function normalizeFilePath(filePath) {
return TemplatePath.standardizeFilePath(path.relative(".", filePath));
}
function normalizeImportSourceToFilePath(filePath, source) {
let { dir } = path.parse(filePath);
let normalized = path.join(dir, source);
return normalizeFilePath(normalized);
}
async function findByContents(contents, filePath, alreadyParsedSet) {
// Should we use dependency-graph for these relationships?
let sources = new Set();
let ast = acorn.parse(contents, {sourceType: "module", ecmaVersion: "latest"});
for(let node of ast.body) {
if(node.type === "ImportDeclaration" && isNonBareSpecifier(node.source.value)) {
let normalized = normalizeImportSourceToFilePath(filePath, node.source.value);
if(sources.has(normalized) || normalized === filePath) {
continue;
}
sources.add(normalized);
}
}
// Recurse for nested deps
for(let source of sources) {
let s = await find(source, alreadyParsedSet);
for(let p of s) {
if(sources.has(p) || p === filePath) {
continue;
}
sources.add(p);
}
}
return Array.from(sources);
}
async function find(filePath, alreadyParsedSet = new Set()) {
// TODO add a cache here
// Unfortunately we need to read the entire file, imports need to be at the top level but they can be anywhere 🫠
let normalized = normalizeFilePath(filePath);
if(alreadyParsedSet.has(normalized) || !existsSync(filePath)) {
return [];
}
alreadyParsedSet.add(normalized);
let contents = await readFile(normalized, { encoding: 'utf8' });
let sources = await findByContents(contents, normalized, alreadyParsedSet);
return sources;
}
module.exports = {
find
};

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# Dependency Graph Changelog
## 0.11.0 (March 5, 2021)
- Add `entryNodes` method that returns the nodes that nothing depends on - thanks [amcdnl](https://github.com/amcdnl)!
## 0.10.0 (January 9, 2021)
- Add `directDependenciesOf` and `directDependantsOf` methods for retrieving direct dependency information. (Fixes #40)
- Add aliases `dependentsOf` and `directDependentsOf`.
## 0.9.0 (February 10, 2020)
- Rewrite the topological sort DFS to be more efficient (and work!) on large graphs.
- No longer uses recursion to avoid stack overflows with large/deep graphs
- No longer is accidentally `O(N^2)` (thanks [willtennien](https://github.com/willtennien) for pointing this out!)
## 0.8.1 (December 3, 2019)
- Ensure all nodes are included in overallOrder when cycles are allowed. (Fixes #33)
## 0.8.0 (December 11, 2018)
- Add a `DepGraphCycleError` with cyclePath property - thanks [jhugman](https://github.com/jhugman)!
## 0.7.2 (August 30, 2018)
- Make constructor parameter optional in Typescript definition. (Fixes #26)
## 0.7.1 (June 5, 2018)
- Fix Typescript definition to include the new constructor arguments added in `0.7.0` - thanks [tbranyen](https://github.com/tbranyen)!
## 0.7.0 (January 17, 2018)
- Allow circular dependencies by passing in `{circular: true}` into the constructor - thanks [tbranyen](https://github.com/tbranyen)!
## 0.6.0 (October 22, 2017)
- Add a `size` method that will return the number of nodes in the graph.
- Add a `clone` method that will clone the graph. Any custom node data will only be shallow-copied. (Fixes #14)
## 0.5.2 (October 22, 2017)
- Add missing parameter in TypeScript definition. (Fixes #19)
## 0.5.1 (October 7, 2017)
- Now exposes Typescript type definition - thanks [vangorra](https://github.com/vangorra)!
## 0.5.0 (April 26, 2016)
- Add optional data parameter for the addNode method. (Fixes #12)
- Add methods getNodeData and setNodeData to manipulate the data associated with a node name. (Fixes #12)
- Change the hasNode method to be able to cope with falsy node data. (Fixes #12)
## 0.4.1 (Sept 3, 2015)
- Check all nodes for potential cycles when calculating overall order. (Fixes #8)
## 0.4.0 (Aug 1, 2015)
- Better error messages
- When a cycle is detected, the error message will now include the cycle in it. E.g `Dependency Cycle Found: a -> b -> c -> a` (Fixes #7)
- When calling `addDependency` if one of the nodes does not exist, the error will say which one it was (instead of saying that "one" of the two nodes did not exist and making you manually determine which one)
- Calling `overallOrder` on an empty graph will no longer throw an error about a dependency cycle. It will return an empty array.
## 0.3.0 (July 24, 2015)
- Fix issue where if you call `addNode` twice with the same name, it would clear all edges for that node. Now it will do nothing if a node with the specified name already exists. (Fixes #3)
## 0.2.1 (July 3, 2015)
- Fixed removeNode leaving references in outgoingEdges and reference to non-existent var edges - thanks [juhoha](https://github.com/juhoha)! (Fixes #2)
## 0.2.0 (May 1, 2015)
- Removed dependency on Underscore - thanks [myndzi](https://github.com/myndzi)! (Fixes #1)
## 0.1.0 (May 18, 2013)
- Initial Release - extracted out of asset-smasher

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Copyright (C) 2013-2020 by Jim Riecken
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.

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# Dependency Graph
Simple dependency graph
## Overview
This is a simple dependency graph useful for determining the order to do a list of things that depend on certain items being done before they are.
To use, `npm install dependency-graph` and then `require('dependency-graph').DepGraph`
## API
### DepGraph
Nodes in the graph are just simple strings with optional data associated with them.
- `addNode(name, data)` - add a node in the graph with optional data. If `data` is not given, `name` will be used as data
- `removeNode(name)` - remove a node from the graph
- `hasNode(name)` - check if a node exists in the graph
- `size()` - return the number of nodes in the graph
- `getNodeData(name)` - get the data associated with a node (will throw an `Error` if the node does not exist)
- `setNodeData(name, data)` - set the data for an existing node (will throw an `Error` if the node does not exist)
- `addDependency(from, to)` - add a dependency between two nodes (will throw an `Error` if one of the nodes does not exist)
- `removeDependency(from, to)` - remove a dependency between two nodes
- `clone()` - return a clone of the graph. Any data attached to the nodes will only be *shallow-copied*
- `dependenciesOf(name, leavesOnly)` - get an array containing the nodes that the specified node depends on (transitively). If `leavesOnly` is true, only nodes that do not depend on any other nodes will be returned in the array.
- `dependantsOf(name, leavesOnly)` (aliased as `dependentsOf`) - get an array containing the nodes that depend on the specified node (transitively). If `leavesOnly` is true, only nodes that do not have any dependants will be returned in the array.
- `directDependenciesOf(name)` - get an array containing the direct dependencies of the specified node
- `directDependantsOf(name)` (aliased as `directDependentsOf`) - get an array containing the nodes that directly depend on the specified node
- `overallOrder(leavesOnly)` - construct the overall processing order for the dependency graph. If `leavesOnly` is true, only nodes that do not depend on any other nodes will be returned.
- `entryNodes()` - array of nodes that have no dependants (i.e. nothing depends on them).
Dependency Cycles are detected when running `dependenciesOf`, `dependantsOf`, and `overallOrder` and if one is found, a `DepGraphCycleError` will be thrown that includes what the cycle was in the message as well as the `cyclePath` property: e.g. `Dependency Cycle Found: a -> b -> c -> a`. If you wish to silence this error, pass `circular: true` when instantiating `DepGraph` (more below).
## Examples
var DepGraph = require('dependency-graph').DepGraph;
var graph = new DepGraph();
graph.addNode('a');
graph.addNode('b');
graph.addNode('c');
graph.size() // 3
graph.addDependency('a', 'b');
graph.addDependency('b', 'c');
graph.dependenciesOf('a'); // ['c', 'b']
graph.dependenciesOf('b'); // ['c']
graph.dependantsOf('c'); // ['a', 'b']
graph.overallOrder(); // ['c', 'b', 'a']
graph.overallOrder(true); // ['c']
graph.entryNodes(); // ['a']
graph.addNode('d', 'data');
graph.getNodeData('d'); // 'data'
graph.setNodeData('d', 'newData');
graph.getNodeData('d'); // 'newData'
var circularGraph = new DepGraph({ circular: true });
circularGraph.addNode('a');
circularGraph.addNode('b');
circularGraph.addNode('c');
circularGraph.addNode('d');
circularGraph.addDependency('a', 'b');
circularGraph.addDependency('b', 'c'); // b depends on c
circularGraph.addDependency('c', 'a'); // c depends on a, which depends on b
circularGraph.addDependency('d', 'a');
circularGraph.dependenciesOf('b'); // ['a', 'c']
circularGraph.overallOrder(); // ['c', 'b', 'a', 'd']

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/**
* A simple dependency graph
*/
/**
* Helper for creating a Topological Sort using Depth-First-Search on a set of edges.
*
* Detects cycles and throws an Error if one is detected (unless the "circular"
* parameter is "true" in which case it ignores them).
*
* @param edges The set of edges to DFS through
* @param leavesOnly Whether to only return "leaf" nodes (ones who have no edges)
* @param result An array in which the results will be populated
* @param circular A boolean to allow circular dependencies
*/
function createDFS(edges, leavesOnly, result, circular) {
var visited = {};
return function (start) {
if (visited[start]) {
return;
}
var inCurrentPath = {};
var currentPath = [];
var todo = []; // used as a stack
todo.push({ node: start, processed: false });
while (todo.length > 0) {
var current = todo[todo.length - 1]; // peek at the todo stack
var processed = current.processed;
var node = current.node;
if (!processed) {
// Haven't visited edges yet (visiting phase)
if (visited[node]) {
todo.pop();
continue;
} else if (inCurrentPath[node]) {
// It's not a DAG
if (circular) {
todo.pop();
// If we're tolerating cycles, don't revisit the node
continue;
}
currentPath.push(node);
throw new DepGraphCycleError(currentPath);
}
inCurrentPath[node] = true;
currentPath.push(node);
var nodeEdges = edges[node];
// (push edges onto the todo stack in reverse order to be order-compatible with the old DFS implementation)
for (var i = nodeEdges.length - 1; i >= 0; i--) {
todo.push({ node: nodeEdges[i], processed: false });
}
current.processed = true;
} else {
// Have visited edges (stack unrolling phase)
todo.pop();
currentPath.pop();
inCurrentPath[node] = false;
visited[node] = true;
if (!leavesOnly || edges[node].length === 0) {
result.push(node);
}
}
}
};
}
/**
* Simple Dependency Graph
*/
var DepGraph = (exports.DepGraph = function DepGraph(opts) {
this.nodes = {}; // Node -> Node/Data (treated like a Set)
this.outgoingEdges = {}; // Node -> [Dependency Node]
this.incomingEdges = {}; // Node -> [Dependant Node]
this.circular = opts && !!opts.circular; // Allows circular deps
});
DepGraph.prototype = {
/**
* The number of nodes in the graph.
*/
size: function () {
return Object.keys(this.nodes).length;
},
/**
* Add a node to the dependency graph. If a node already exists, this method will do nothing.
*/
addNode: function (node, data) {
if (!this.hasNode(node)) {
// Checking the arguments length allows the user to add a node with undefined data
if (arguments.length === 2) {
this.nodes[node] = data;
} else {
this.nodes[node] = node;
}
this.outgoingEdges[node] = [];
this.incomingEdges[node] = [];
}
},
/**
* Remove a node from the dependency graph. If a node does not exist, this method will do nothing.
*/
removeNode: function (node) {
if (this.hasNode(node)) {
delete this.nodes[node];
delete this.outgoingEdges[node];
delete this.incomingEdges[node];
[this.incomingEdges, this.outgoingEdges].forEach(function (edgeList) {
Object.keys(edgeList).forEach(function (key) {
var idx = edgeList[key].indexOf(node);
if (idx >= 0) {
edgeList[key].splice(idx, 1);
}
}, this);
});
}
},
/**
* Check if a node exists in the graph
*/
hasNode: function (node) {
return this.nodes.hasOwnProperty(node);
},
/**
* Get the data associated with a node name
*/
getNodeData: function (node) {
if (this.hasNode(node)) {
return this.nodes[node];
} else {
throw new Error("Node does not exist: " + node);
}
},
/**
* Set the associated data for a given node name. If the node does not exist, this method will throw an error
*/
setNodeData: function (node, data) {
if (this.hasNode(node)) {
this.nodes[node] = data;
} else {
throw new Error("Node does not exist: " + node);
}
},
/**
* Add a dependency between two nodes. If either of the nodes does not exist,
* an Error will be thrown.
*/
addDependency: function (from, to) {
if (!this.hasNode(from)) {
throw new Error("Node does not exist: " + from);
}
if (!this.hasNode(to)) {
throw new Error("Node does not exist: " + to);
}
if (this.outgoingEdges[from].indexOf(to) === -1) {
this.outgoingEdges[from].push(to);
}
if (this.incomingEdges[to].indexOf(from) === -1) {
this.incomingEdges[to].push(from);
}
return true;
},
/**
* Remove a dependency between two nodes.
*/
removeDependency: function (from, to) {
var idx;
if (this.hasNode(from)) {
idx = this.outgoingEdges[from].indexOf(to);
if (idx >= 0) {
this.outgoingEdges[from].splice(idx, 1);
}
}
if (this.hasNode(to)) {
idx = this.incomingEdges[to].indexOf(from);
if (idx >= 0) {
this.incomingEdges[to].splice(idx, 1);
}
}
},
/**
* Return a clone of the dependency graph. If any custom data is attached
* to the nodes, it will only be shallow copied.
*/
clone: function () {
var source = this;
var result = new DepGraph();
var keys = Object.keys(source.nodes);
keys.forEach(function (n) {
result.nodes[n] = source.nodes[n];
result.outgoingEdges[n] = source.outgoingEdges[n].slice(0);
result.incomingEdges[n] = source.incomingEdges[n].slice(0);
});
return result;
},
/**
* Get an array containing the direct dependencies of the specified node.
*
* Throws an Error if the specified node does not exist.
*/
directDependenciesOf: function (node) {
if (this.hasNode(node)) {
return this.outgoingEdges[node].slice(0);
} else {
throw new Error("Node does not exist: " + node);
}
},
/**
* Get an array containing the nodes that directly depend on the specified node.
*
* Throws an Error if the specified node does not exist.
*/
directDependantsOf: function (node) {
if (this.hasNode(node)) {
return this.incomingEdges[node].slice(0);
} else {
throw new Error("Node does not exist: " + node);
}
},
/**
* Get an array containing the nodes that the specified node depends on (transitively).
*
* Throws an Error if the graph has a cycle, or the specified node does not exist.
*
* If `leavesOnly` is true, only nodes that do not depend on any other nodes will be returned
* in the array.
*/
dependenciesOf: function (node, leavesOnly) {
if (this.hasNode(node)) {
var result = [];
var DFS = createDFS(
this.outgoingEdges,
leavesOnly,
result,
this.circular
);
DFS(node);
var idx = result.indexOf(node);
if (idx >= 0) {
result.splice(idx, 1);
}
return result;
} else {
throw new Error("Node does not exist: " + node);
}
},
/**
* get an array containing the nodes that depend on the specified node (transitively).
*
* Throws an Error if the graph has a cycle, or the specified node does not exist.
*
* If `leavesOnly` is true, only nodes that do not have any dependants will be returned in the array.
*/
dependantsOf: function (node, leavesOnly) {
if (this.hasNode(node)) {
var result = [];
var DFS = createDFS(
this.incomingEdges,
leavesOnly,
result,
this.circular
);
DFS(node);
var idx = result.indexOf(node);
if (idx >= 0) {
result.splice(idx, 1);
}
return result;
} else {
throw new Error("Node does not exist: " + node);
}
},
/**
* Construct the overall processing order for the dependency graph.
*
* Throws an Error if the graph has a cycle.
*
* If `leavesOnly` is true, only nodes that do not depend on any other nodes will be returned.
*/
overallOrder: function (leavesOnly) {
var self = this;
var result = [];
var keys = Object.keys(this.nodes);
if (keys.length === 0) {
return result; // Empty graph
} else {
if (!this.circular) {
// Look for cycles - we run the DFS starting at all the nodes in case there
// are several disconnected subgraphs inside this dependency graph.
var CycleDFS = createDFS(this.outgoingEdges, false, [], this.circular);
keys.forEach(function (n) {
CycleDFS(n);
});
}
var DFS = createDFS(
this.outgoingEdges,
leavesOnly,
result,
this.circular
);
// Find all potential starting points (nodes with nothing depending on them) an
// run a DFS starting at these points to get the order
keys
.filter(function (node) {
return self.incomingEdges[node].length === 0;
})
.forEach(function (n) {
DFS(n);
});
// If we're allowing cycles - we need to run the DFS against any remaining
// nodes that did not end up in the initial result (as they are part of a
// subgraph that does not have a clear starting point)
if (this.circular) {
keys
.filter(function (node) {
return result.indexOf(node) === -1;
})
.forEach(function (n) {
DFS(n);
});
}
return result;
}
},
/**
* Get an array of nodes that have no dependants (i.e. nothing depends on them).
*/
entryNodes: function () {
var self = this;
return Object.keys(this.nodes).filter(function (node) {
return self.incomingEdges[node].length === 0;
});
}
};
// Create some aliases
DepGraph.prototype.directDependentsOf = DepGraph.prototype.directDependantsOf;
DepGraph.prototype.dependentsOf = DepGraph.prototype.dependantsOf;
/**
* Cycle error, including the path of the cycle.
*/
var DepGraphCycleError = (exports.DepGraphCycleError = function (cyclePath) {
var message = "Dependency Cycle Found: " + cyclePath.join(" -> ");
var instance = new Error(message);
instance.cyclePath = cyclePath;
Object.setPrototypeOf(instance, Object.getPrototypeOf(this));
if (Error.captureStackTrace) {
Error.captureStackTrace(instance, DepGraphCycleError);
}
return instance;
});
DepGraphCycleError.prototype = Object.create(Error.prototype, {
constructor: {
value: Error,
enumerable: false,
writable: true,
configurable: true
}
});
Object.setPrototypeOf(DepGraphCycleError, Error);

127
node_modules/@11ty/dependency-tree-esm/node_modules/dependency-graph/lib/index.d.ts generated vendored Executable file
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declare module 'dependency-graph' {
export interface Options {
circular?: boolean;
}
export class DepGraph<T> {
/**
* Creates an instance of DepGraph with optional Options.
*/
constructor(opts?: Options);
/**
* The number of nodes in the graph.
*/
size(): number;
/**
* Add a node in the graph with optional data. If data is not given, name will be used as data.
* @param {string} name
* @param data
*/
addNode(name: string, data?: T): void;
/**
* Remove a node from the graph.
* @param {string} name
*/
removeNode(name: string): void;
/**
* Check if a node exists in the graph.
* @param {string} name
*/
hasNode(name: string): boolean;
/**
* Get the data associated with a node (will throw an Error if the node does not exist).
* @param {string} name
*/
getNodeData(name: string): T;
/**
* Set the data for an existing node (will throw an Error if the node does not exist).
* @param {string} name
* @param data
*/
setNodeData(name: string, data?: T): void;
/**
* Add a dependency between two nodes (will throw an Error if one of the nodes does not exist).
* @param {string} from
* @param {string} to
*/
addDependency(from: string, to: string): void;
/**
* Remove a dependency between two nodes.
* @param {string} from
* @param {string} to
*/
removeDependency(from: string, to: string): void;
/**
* Return a clone of the dependency graph (If any custom data is attached
* to the nodes, it will only be shallow copied).
*/
clone(): DepGraph<T>;
/**
* Get an array containing the direct dependency nodes of the specified node.
* @param name
*/
directDependenciesOf(name: string): string[];
/**
* Get an array containing the nodes that directly depend on the specified node.
* @param name
*/
directDependantsOf(name: string): string[];
/**
* Alias of `directDependantsOf`
*
* @see directDependantsOf
* @param {string} name
*/
directDependentsOf(name: string): string[];
/**
* Get an array containing the nodes that the specified node depends on (transitively). If leavesOnly is true, only nodes that do not depend on any other nodes will be returned in the array.
* @param {string} name
* @param {boolean} leavesOnly
*/
dependenciesOf(name: string, leavesOnly?: boolean): string[];
/**
* Get an array containing the nodes that depend on the specified node (transitively). If leavesOnly is true, only nodes that do not have any dependants will be returned in the array.
* @param {string} name
* @param {boolean} leavesOnly
*/
dependantsOf(name: string, leavesOnly?: boolean): string[];
/**
* Alias of `dependantsOf`
*
* @see dependantsOf
* @param name
* @param leavesOnly
*/
dependentsOf(name: string, leavesOnly?: boolean): string[];
/**
* Get an array of nodes that have no dependants (i.e. nothing depends on them).
*/
entryNodes(): string[];
/**
* Construct the overall processing order for the dependency graph. If leavesOnly is true, only nodes that do not depend on any other nodes will be returned.
* @param {boolean} leavesOnly
*/
overallOrder(leavesOnly?: boolean): string[];
}
export class DepGraphCycleError extends Error {
cyclePath: string[];
}
}

31
node_modules/@11ty/dependency-tree-esm/node_modules/dependency-graph/package.json generated vendored Executable file
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{
"name": "dependency-graph",
"description": "Simple dependency graph.",
"version": "0.11.0",
"author": "Jim Riecken <jriecken@gmail.com>",
"keywords": [
"dependency",
"graph"
],
"license": "MIT",
"repository": {
"type": "git",
"url": "git://github.com/jriecken/dependency-graph.git"
},
"bugs": {
"url": "http://github.com/jriecken/dependency-graph/issues"
},
"main": "./lib/dep_graph.js",
"scripts": {
"test": "jasmine specs/**/*.js"
},
"dependencies": {},
"optionalDependencies": {},
"devDependencies": {
"jasmine": "3.5.0"
},
"engines": {
"node": ">= 0.6.0"
},
"types": "./lib/index.d.ts"
}

542
node_modules/@11ty/dependency-tree-esm/node_modules/dependency-graph/specs/dep_graph_spec.js generated vendored Executable file
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var dep_graph = require("../lib/dep_graph");
var DepGraph = dep_graph.DepGraph;
describe("DepGraph", function () {
it("should be able to add/remove nodes", function () {
var graph = new DepGraph();
graph.addNode("Foo");
graph.addNode("Bar");
expect(graph.hasNode("Foo")).toBeTrue();
expect(graph.hasNode("Bar")).toBeTrue();
expect(graph.hasNode("NotThere")).toBeFalse();
graph.removeNode("Bar");
expect(graph.hasNode("Bar")).toBeFalse();
});
it("should calculate its size", function () {
var graph = new DepGraph();
expect(graph.size()).toBe(0);
graph.addNode("Foo");
graph.addNode("Bar");
expect(graph.size()).toBe(2);
graph.removeNode("Bar");
expect(graph.size()).toBe(1);
});
it("should treat the node data parameter as optional and use the node name as data if node data was not given", function () {
var graph = new DepGraph();
graph.addNode("Foo");
expect(graph.getNodeData("Foo")).toBe("Foo");
});
it("should be able to associate a node name with data on node add", function () {
var graph = new DepGraph();
graph.addNode("Foo", "data");
expect(graph.getNodeData("Foo")).toBe("data");
});
it("should be able to add undefined as node data", function () {
var graph = new DepGraph();
graph.addNode("Foo", undefined);
expect(graph.getNodeData("Foo")).toBeUndefined();
});
it("should return true when using hasNode with a node which has falsy data", function () {
var graph = new DepGraph();
var falsyData = ["", 0, null, undefined, false];
graph.addNode("Foo");
falsyData.forEach(function (data) {
graph.setNodeData("Foo", data);
expect(graph.hasNode("Foo")).toBeTrue();
// Just an extra check to make sure that the saved data is correct
expect(graph.getNodeData("Foo")).toBe(data);
});
});
it("should be able to set data after a node was added", function () {
var graph = new DepGraph();
graph.addNode("Foo", "data");
graph.setNodeData("Foo", "data2");
expect(graph.getNodeData("Foo")).toBe("data2");
});
it("should throw an error if we try to set data for a non-existing node", function () {
var graph = new DepGraph();
expect(function () {
graph.setNodeData("Foo", "data");
}).toThrow(new Error("Node does not exist: Foo"));
});
it("should throw an error if the node does not exists and we try to get data", function () {
var graph = new DepGraph();
expect(function () {
graph.getNodeData("Foo");
}).toThrow(new Error("Node does not exist: Foo"));
});
it("should do nothing if creating a node that already exists", function () {
var graph = new DepGraph();
graph.addNode("a");
graph.addNode("b");
graph.addDependency("a", "b");
graph.addNode("a");
expect(graph.dependenciesOf("a")).toEqual(["b"]);
});
it("should do nothing if removing a node that does not exist", function () {
var graph = new DepGraph();
graph.addNode("a");
expect(graph.hasNode("a")).toBeTrue();
graph.removeNode("a");
expect(graph.hasNode("Foo")).toBeFalse();
graph.removeNode("a");
expect(graph.hasNode("Foo")).toBeFalse();
});
it("should be able to add dependencies between nodes", function () {
var graph = new DepGraph();
graph.addNode("a");
graph.addNode("b");
graph.addNode("c");
graph.addDependency("a", "b");
graph.addDependency("a", "c");
expect(graph.dependenciesOf("a")).toEqual(["b", "c"]);
});
it("should find entry nodes", function () {
var graph = new DepGraph();
graph.addNode("a");
graph.addNode("b");
graph.addNode("c");
graph.addDependency("a", "b");
graph.addDependency("a", "c");
expect(graph.entryNodes()).toEqual(["a"]);
});
it("should throw an error if a node does not exist and a dependency is added", function () {
var graph = new DepGraph();
graph.addNode("a");
expect(function () {
graph.addDependency("a", "b");
}).toThrow(new Error("Node does not exist: b"));
});
it("should detect cycles", function () {
var graph = new DepGraph();
graph.addNode("a");
graph.addNode("b");
graph.addNode("c");
graph.addNode("d");
graph.addDependency("a", "b");
graph.addDependency("b", "c");
graph.addDependency("c", "a");
graph.addDependency("d", "a");
expect(function () {
graph.dependenciesOf("b");
}).toThrow(new dep_graph.DepGraphCycleError(["b", "c", "a", "b"]));
});
it("should allow cycles when configured", function () {
var graph = new DepGraph({ circular: true });
graph.addNode("a");
graph.addNode("b");
graph.addNode("c");
graph.addNode("d");
graph.addDependency("a", "b");
graph.addDependency("b", "c");
graph.addDependency("c", "a");
graph.addDependency("d", "a");
expect(graph.dependenciesOf("b")).toEqual(["a", "c"]);
expect(graph.overallOrder()).toEqual(["c", "b", "a", "d"]);
});
it(
"should include all nodes in overall order even from " +
"cycles in disconnected subgraphs when circular is true",
function () {
var graph = new DepGraph({ circular: true });
graph.addNode("2a");
graph.addNode("2b");
graph.addNode("2c");
graph.addDependency("2a", "2b");
graph.addDependency("2b", "2c");
graph.addDependency("2c", "2a");
graph.addNode("1a");
graph.addNode("1b");
graph.addNode("1c");
graph.addNode("1d");
graph.addNode("1e");
graph.addDependency("1a", "1b");
graph.addDependency("1a", "1c");
graph.addDependency("1b", "1c");
graph.addDependency("1c", "1d");
expect(graph.overallOrder()).toEqual([
"1d",
"1c",
"1b",
"1a",
"1e",
"2c",
"2b",
"2a"
]);
}
);
it("should detect cycles in overall order", function () {
var graph = new DepGraph();
graph.addNode("a");
graph.addNode("b");
graph.addNode("c");
graph.addNode("d");
graph.addDependency("a", "b");
graph.addDependency("b", "c");
graph.addDependency("c", "a");
graph.addDependency("d", "a");
expect(function () {
graph.overallOrder();
}).toThrow(new dep_graph.DepGraphCycleError(["a", "b", "c", "a"]));
});
it("should detect cycles in overall order when all nodes have dependants (incoming edges)", function () {
var graph = new DepGraph();
graph.addNode("a");
graph.addNode("b");
graph.addNode("c");
graph.addDependency("a", "b");
graph.addDependency("b", "c");
graph.addDependency("c", "a");
expect(function () {
graph.overallOrder();
}).toThrow(new dep_graph.DepGraphCycleError(["a", "b", "c", "a"]));
});
it(
"should detect cycles in overall order when there are several " +
"disconnected subgraphs (with one that does not have a cycle",
function () {
var graph = new DepGraph();
graph.addNode("a_1");
graph.addNode("a_2");
graph.addNode("b_1");
graph.addNode("b_2");
graph.addNode("b_3");
graph.addDependency("a_1", "a_2");
graph.addDependency("b_1", "b_2");
graph.addDependency("b_2", "b_3");
graph.addDependency("b_3", "b_1");
expect(function () {
graph.overallOrder();
}).toThrow(
new dep_graph.DepGraphCycleError(["b_1", "b_2", "b_3", "b_1"])
);
}
);
it("should retrieve dependencies and dependants in the correct order", function () {
var graph = new DepGraph();
graph.addNode("a");
graph.addNode("b");
graph.addNode("c");
graph.addNode("d");
graph.addDependency("a", "d");
graph.addDependency("a", "b");
graph.addDependency("b", "c");
graph.addDependency("d", "b");
expect(graph.dependenciesOf("a")).toEqual(["c", "b", "d"]);
expect(graph.dependenciesOf("b")).toEqual(["c"]);
expect(graph.dependenciesOf("c")).toEqual([]);
expect(graph.dependenciesOf("d")).toEqual(["c", "b"]);
expect(graph.dependantsOf("a")).toEqual([]);
expect(graph.dependantsOf("b")).toEqual(["a", "d"]);
expect(graph.dependantsOf("c")).toEqual(["a", "d", "b"]);
expect(graph.dependantsOf("d")).toEqual(["a"]);
// check the alias "dependentsOf"
expect(graph.dependentsOf("a")).toEqual([]);
expect(graph.dependentsOf("b")).toEqual(["a", "d"]);
expect(graph.dependentsOf("c")).toEqual(["a", "d", "b"]);
expect(graph.dependentsOf("d")).toEqual(["a"]);
});
it("should be able to retrieve direct dependencies/dependants", function () {
var graph = new DepGraph();
graph.addNode("a");
graph.addNode("b");
graph.addNode("c");
graph.addNode("d");
graph.addDependency("a", "d");
graph.addDependency("a", "b");
graph.addDependency("b", "c");
graph.addDependency("d", "b");
expect(graph.directDependenciesOf("a")).toEqual(["d", "b"]);
expect(graph.directDependenciesOf("b")).toEqual(["c"]);
expect(graph.directDependenciesOf("c")).toEqual([]);
expect(graph.directDependenciesOf("d")).toEqual(["b"]);
expect(graph.directDependantsOf("a")).toEqual([]);
expect(graph.directDependantsOf("b")).toEqual(["a", "d"]);
expect(graph.directDependantsOf("c")).toEqual(["b"]);
expect(graph.directDependantsOf("d")).toEqual(["a"]);
// check the alias "directDependentsOf"
expect(graph.directDependentsOf("a")).toEqual([]);
expect(graph.directDependentsOf("b")).toEqual(["a", "d"]);
expect(graph.directDependentsOf("c")).toEqual(["b"]);
expect(graph.directDependentsOf("d")).toEqual(["a"]);
});
it("should be able to resolve the overall order of things", function () {
var graph = new DepGraph();
graph.addNode("a");
graph.addNode("b");
graph.addNode("c");
graph.addNode("d");
graph.addNode("e");
graph.addDependency("a", "b");
graph.addDependency("a", "c");
graph.addDependency("b", "c");
graph.addDependency("c", "d");
expect(graph.overallOrder()).toEqual(["d", "c", "b", "a", "e"]);
});
it('should be able to only retrieve the "leaves" in the overall order', function () {
var graph = new DepGraph();
graph.addNode("a");
graph.addNode("b");
graph.addNode("c");
graph.addNode("d");
graph.addNode("e");
graph.addDependency("a", "b");
graph.addDependency("a", "c");
graph.addDependency("b", "c");
graph.addDependency("c", "d");
expect(graph.overallOrder(true)).toEqual(["d", "e"]);
});
it("should be able to give the overall order for a graph with several disconnected subgraphs", function () {
var graph = new DepGraph();
graph.addNode("a_1");
graph.addNode("a_2");
graph.addNode("b_1");
graph.addNode("b_2");
graph.addNode("b_3");
graph.addDependency("a_1", "a_2");
graph.addDependency("b_1", "b_2");
graph.addDependency("b_2", "b_3");
expect(graph.overallOrder()).toEqual(["a_2", "a_1", "b_3", "b_2", "b_1"]);
});
it("should give an empty overall order for an empty graph", function () {
var graph = new DepGraph();
expect(graph.overallOrder()).toEqual([]);
});
it("should still work after nodes are removed", function () {
var graph = new DepGraph();
graph.addNode("a");
graph.addNode("b");
graph.addNode("c");
graph.addDependency("a", "b");
graph.addDependency("b", "c");
expect(graph.dependenciesOf("a")).toEqual(["c", "b"]);
graph.removeNode("c");
expect(graph.dependenciesOf("a")).toEqual(["b"]);
});
it("should clone an empty graph", function () {
var graph = new DepGraph();
expect(graph.size()).toEqual(0);
var cloned = graph.clone();
expect(cloned.size()).toEqual(0);
expect(graph === cloned).toBeFalse();
});
it("should clone a non-empty graph", function () {
var graph = new DepGraph();
graph.addNode("a");
graph.addNode("b");
graph.addNode("c");
graph.addDependency("a", "b");
graph.addDependency("b", "c");
var cloned = graph.clone();
expect(graph === cloned).toBeFalse();
expect(cloned.hasNode("a")).toBeTrue();
expect(cloned.hasNode("b")).toBeTrue();
expect(cloned.hasNode("c")).toBeTrue();
expect(cloned.dependenciesOf("a")).toEqual(["c", "b"]);
expect(cloned.dependantsOf("c")).toEqual(["a", "b"]);
// Changes to the original graph shouldn't affect the clone
graph.removeNode("c");
expect(graph.dependenciesOf("a")).toEqual(["b"]);
expect(cloned.dependenciesOf("a")).toEqual(["c", "b"]);
graph.addNode("d");
graph.addDependency("b", "d");
expect(graph.dependenciesOf("a")).toEqual(["d", "b"]);
expect(cloned.dependenciesOf("a")).toEqual(["c", "b"]);
});
it("should only be a shallow clone", function () {
var graph = new DepGraph();
var data = { a: 42 };
graph.addNode("a", data);
var cloned = graph.clone();
expect(graph === cloned).toBeFalse();
expect(graph.getNodeData("a") === cloned.getNodeData("a")).toBeTrue();
graph.getNodeData("a").a = 43;
expect(cloned.getNodeData("a").a).toBe(43);
cloned.setNodeData("a", { a: 42 });
expect(cloned.getNodeData("a").a).toBe(42);
expect(graph.getNodeData("a") === cloned.getNodeData("a")).toBeFalse();
});
});
describe("DepGraph Performance", function () {
it("should not exceed max call stack with a very deep graph", function () {
var g = new DepGraph();
var expected = [];
for (var i = 0; i < 100000; i++) {
var istr = i.toString();
g.addNode(istr);
expected.push(istr);
if (i > 0) {
g.addDependency(istr, (i - 1).toString());
}
}
var order = g.overallOrder();
expect(order).toEqual(expected);
});
it("should run an a reasonable amount of time for a very large graph", function () {
var randInt = function (min, max) {
return Math.floor(Math.random() * (max - min + 1)) + min;
};
var g = new DepGraph();
var nodes = [];
// Create a graph with 100000 nodes in it with 10 random connections to
// lower numbered nodes
for (var i = 0; i < 100000; i++) {
nodes.push(i.toString());
g.addNode(i.toString());
for (var j = 0; j < 10; j++) {
var dep = randInt(0, i);
if (i !== dep) {
g.addDependency(i.toString(), dep.toString());
}
}
}
var start = new Date().getTime();
g.overallOrder();
var end = new Date().getTime();
expect(start - end).toBeLessThan(1000);
});
});
describe("DepGraphCycleError", function () {
var DepGraphCycleError = dep_graph.DepGraphCycleError;
it("should have a message", function () {
var err = new DepGraphCycleError(["a", "b", "c", "a"]);
expect(err.message).toEqual("Dependency Cycle Found: a -> b -> c -> a");
});
it("should be an instanceof DepGraphCycleError", function () {
var err = new DepGraphCycleError(["a", "b", "c", "a"]);
expect(err instanceof DepGraphCycleError).toBeTrue();
expect(err instanceof Error).toBeTrue();
});
it("should have a cyclePath", function () {
var cyclePath = ["a", "b", "c", "a"];
var err = new DepGraphCycleError(cyclePath);
expect(err.cyclePath).toEqual(cyclePath);
});
});

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node_modules/@11ty/dependency-tree-esm/package.json generated vendored Normal file
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{
"name": "@11ty/dependency-tree-esm",
"version": "1.0.0",
"description": "Finds all JavaScript ES Module dependencies from a filename.",
"main": "main.js",
"scripts": {
"test": "npx ava"
},
"repository": {
"type": "git",
"url": "git+https://github.com/11ty/eleventy-dependency-tree.git"
},
"author": {
"name": "Zach Leatherman",
"email": "zach@zachleat.com",
"url": "https://zachleat.com/"
},
"license": "MIT",
"dependencies": {
"@11ty/eleventy-utils": "^1.0.2",
"acorn": "^8.10.0",
"dependency-graph": "^0.11.0",
"normalize-path": "^3.0.0"
},
"devDependencies": {
"ava": "^5.3.1"
},
"ava": {
"files": [
"./test/*.js"
],
"ignoredByWatcher": [
"./test/stubs/**"
]
}
}

1
node_modules/@11ty/dependency-tree-esm/test/stubs/circular-child.js generated vendored Normal file
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import "./circular-parent.js";

1
node_modules/@11ty/dependency-tree-esm/test/stubs/circular-parent.js generated vendored Normal file
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import "./circular-child.js";

2
node_modules/@11ty/dependency-tree-esm/test/stubs/circular-self.js generated vendored Normal file
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import "./circular-self.js";
import "./empty.js";

0
node_modules/@11ty/dependency-tree-esm/test/stubs/empty.js generated vendored Normal file
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2
node_modules/@11ty/dependency-tree-esm/test/stubs/file.js generated vendored Normal file
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import fs from "fs";
import * as fdklsjf from "./imported-secondary.js";

3
node_modules/@11ty/dependency-tree-esm/test/stubs/imported-secondary.js generated vendored Normal file
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import "fs";
export function hello() {}

3
node_modules/@11ty/dependency-tree-esm/test/stubs/imported.js generated vendored Normal file
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@ -0,0 +1,3 @@
import * as fdklsjf from "./imported-secondary.js";
export function hello() {}

1
node_modules/@11ty/dependency-tree-esm/test/stubs/nested-grandchild.js generated vendored Normal file
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@ -0,0 +1 @@
import * as fdklsjf from "./nested.js";

2
node_modules/@11ty/dependency-tree-esm/test/stubs/nested.js generated vendored Normal file
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import fs from "fs";
import * as fdklsjf from "./imported.js";

30
node_modules/@11ty/dependency-tree-esm/test/test.js generated vendored Normal file
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const test = require("ava");
const { find } = require("../main.js");
test("Empty", async t => {
t.deepEqual(await find("./test/stubs/empty.js"), []);
});
test("Doesn’t exist", async t => {
t.deepEqual(await find("./test/stubs/THIS_FILE_DOES_NOT_EXIST.js"), []);
});
test("Simple", async t => {
t.deepEqual(await find("./test/stubs/file.js"), ["./test/stubs/imported-secondary.js"]);
});
test("Nested two deep", async t => {
t.deepEqual(await find("./test/stubs/nested.js"), ["./test/stubs/imported.js", "./test/stubs/imported-secondary.js"]);
});
test("Nested three deep", async t => {
t.deepEqual(await find("./test/stubs/nested-grandchild.js"), ["./test/stubs/nested.js", "./test/stubs/imported.js", "./test/stubs/imported-secondary.js"]);
});
test("Circular", async t => {
t.deepEqual(await find("./test/stubs/circular-parent.js"), ["./test/stubs/circular-child.js"]);
});
test("Circular Self Reference", async t => {
t.deepEqual(await find("./test/stubs/circular-self.js"), ["./test/stubs/empty.js"]);
});

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MIT License
Copyright (c) 2019 Zach Leatherman
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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# `dependency-tree`
Returns an unordered array of local paths to dependencies of a CommonJS node JavaScript file (everything it or any of its dependencies `require`s).
* See also: [`dependency-tree-esm`](https://github.com/11ty/eleventy-dependency-tree-esm) for ES Modules.
Reduced feature (faster) alternative to the [`dependency-tree` package](https://www.npmjs.com/package/dependency-tree). This is used by Eleventy to find dependencies of a JavaScript file to watch for changes to re-run Eleventy’s build.
## Big Huge Caveat
⚠ A big caveat to this plugin is that it will require the file in order to build a dependency tree. So if your module has side effects and you don’t want it to execute—do not use this!
## Installation
```
npm install --save-dev @11ty/dependency-tree
```
## Features
* Ignores `node_modules`
* Or, use `nodeModuleNames` to control whether or not `node_modules` package names are included (added in v2.0.1)
* Ignores Node’s built-ins (e.g. `path`)
* Handles circular dependencies (Node does this too)
## Usage
```js
// my-file.js
// if my-local-dependency.js has dependencies, it will include those too
const test = require("./my-local-dependency.js");
// ignored, is a built-in
const path = require("path");
```
```js
const DependencyTree = require("@11ty/dependency-tree");
DependencyTree("./my-file.js");
// returns ["./my-local-dependency.js"]
```
### `allowNotFound`
```js
const DependencyTree = require("@11ty/dependency-tree");
DependencyTree("./this-does-not-exist.js"); // throws an error
DependencyTree("./this-does-not-exist.js", { allowNotFound: true });
// returns []
```
### `nodeModuleNames`
(Added in v2.0.1) Controls whether or not node package names are included in the list of dependencies.
* `nodeModuleNames: "include"`: included alongside the local JS files.
* `nodeModuleNames: "exclude"` (default): node module package names are excluded.
* `nodeModuleNames: "only"`: only node module package names are returned.
```js
// my-file.js:
require("./my-local-dependency.js");
require("@11ty/eleventy");
```
```js
const DependencyTree = require("@11ty/dependency-tree");
DependencyTree("./my-file.js");
// returns ["./my-local-dependency.js"]
DependencyTree("./my-file.js", { nodeModuleNames: "exclude" });
// returns ["./my-local-dependency.js"]
DependencyTree("./my-file.js", { nodeModuleNames: "include" });
// returns ["./my-local-dependency.js", "@11ty/eleventy"]
DependencyTree("./my-file.js", { nodeModuleNames: "only" });
// returns ["@11ty/eleventy"]
```
#### (Deprecated) `nodeModuleNamesOnly`
(Added in v2.0.0) Changed to use `nodeModuleNames` option instead. Backwards compatibility is maintained automatically.
* `nodeModuleNamesOnly: false` is mapped to `nodeModuleNames: "exclude"`
* `nodeModuleNamesOnly: true` is mapped to `nodeModuleNames: "only"`
If both `nodeModuleNamesOnly` and `nodeModuleNames` are included in options, `nodeModuleNames` takes precedence.

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const path = require("path");
const { TemplatePath } = require("@11ty/eleventy-utils");
function getAbsolutePath(filename) {
let normalizedFilename = path.normalize(filename); // removes dot slash
let hasDotSlash = filename.startsWith("./");
return hasDotSlash ? path.join(path.resolve("."), normalizedFilename) : normalizedFilename;
}
function getRelativePath(filename) {
let normalizedFilename = path.normalize(filename); // removes dot slash
let workingDirectory = path.resolve(".");
let result = "./" + (normalizedFilename.startsWith(workingDirectory) ? normalizedFilename.substr(workingDirectory.length + 1) : normalizedFilename);
return result;
}
function getNodeModuleName(filename) {
let foundNodeModules = false;
let moduleName = [];
let s = filename.split(path.sep);
for(let entry of s) {
if(entry === '.pnpm') {
foundNodeModules = false;
}
if(foundNodeModules) {
moduleName.push(entry);
if(!entry.startsWith("@")) {
return moduleName.join("/");
}
}
if(entry === "node_modules") {
foundNodeModules = true;
}
}
return false;
}
/* unordered */
function getDependenciesFor(filename, avoidCircular, optionsArg = {}) {
// backwards compatibility with `nodeModuleNamesOnly` boolean option
// Using `nodeModuleNames` property moving forward
if(("nodeModuleNamesOnly" in optionsArg) && !("nodeModuleNames" in optionsArg)) {
if(optionsArg.nodeModuleNamesOnly === true) {
optionsArg.nodeModuleNames = "only";
}
if(optionsArg.nodeModuleNamesOnly === false) {
optionsArg.nodeModuleNames = "exclude";
}
}
let options = Object.assign({
allowNotFound: false,
nodeModuleNames: "exclude", // also "include" or "only"
}, optionsArg);
let absoluteFilename = getAbsolutePath(filename)
try {
require(absoluteFilename);
} catch(e) {
if(e.code === "MODULE_NOT_FOUND" && options.allowNotFound) {
// do nothing
} else {
throw e;
}
}
let mod;
for(let entry in require.cache) {
if(entry === absoluteFilename) {
mod = require.cache[entry];
break;
}
}
let dependencies = new Set();
if(!mod) {
if(!options.allowNotFound) {
throw new Error(`Could not find ${filename} in @11ty/dependency-tree`);
}
} else {
let relativeFilename = getRelativePath(mod.filename);
if(!avoidCircular) {
avoidCircular = {};
} else if(options.nodeModuleNames !== "only") {
dependencies.add(relativeFilename);
}
avoidCircular[relativeFilename] = true;
if(mod.children) {
for(let child of mod.children) {
let relativeChildFilename = getRelativePath(child.filename);
let nodeModuleName = getNodeModuleName(child.filename);
if(options.nodeModuleNames !== "exclude" && nodeModuleName) {
dependencies.add(nodeModuleName);
}
// Add dependencies of this dependency (not top level node_modules)
if(nodeModuleName === false) {
if(!dependencies.has(relativeChildFilename) && // avoid infinite looping with circular deps
!avoidCircular[relativeChildFilename] ) {
for(let dependency of getDependenciesFor(relativeChildFilename, avoidCircular, options)) {
dependencies.add(dependency);
}
}
}
}
}
}
return dependencies;
}
function getCleanDependencyListFor(filename, options = {}) {
let deps = Array.from( getDependenciesFor(filename, null, options) );
return deps.map(filePath => {
if(filePath.startsWith("./")) {
return TemplatePath.standardizeFilePath(filePath);
}
return filePath; // node_module name
});
}
module.exports = getCleanDependencyListFor;
module.exports.getNodeModuleName = getNodeModuleName;

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{
"name": "@11ty/dependency-tree",
"version": "3.0.1",
"description": "Finds all JavaScript CommmonJS require() dependencies from a filename.",
"main": "main.js",
"files": [
"main.js",
"!test",
"!test/**"
],
"scripts": {
"test": "npx ava"
},
"repository": {
"type": "git",
"url": "git+https://github.com/11ty/eleventy-dependency-tree.git"
},
"author": {
"name": "Zach Leatherman",
"email": "zach@zachleat.com",
"url": "https://zachleat.com/"
},
"license": "MIT",
"ava": {
"files": [
"./test/*.js"
],
"ignoredByWatcher": [
"./test/stubs/**"
]
},
"devDependencies": {
"@sindresorhus/is": "^4.6.0",
"ava": "^5.3.1"
},
"dependencies": {
"@11ty/eleventy-utils": "^1.0.2"
}
}

60
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<p align="center"><img src="https://www.11ty.dev/img/logo-github.svg" width="200" height="200" alt="11ty Logo"></p>
# eleventy-dev-server 🕚⚡️🎈🐀
A minimal, modern, generic, hot-reloading local web server to help web developers.
## ➡ [Documentation](https://www.11ty.dev/docs/watch-serve/#eleventy-dev-server)
- Please star [Eleventy on GitHub](https://github.com/11ty/eleventy/)!
- Follow us on Twitter [@eleven_ty](https://twitter.com/eleven_ty)
- Support [11ty on Open Collective](https://opencollective.com/11ty)
- [11ty on npm](https://www.npmjs.com/org/11ty)
- [11ty on GitHub](https://github.com/11ty)
[![npm Version](https://img.shields.io/npm/v/@11ty/eleventy-dev-server.svg?style=for-the-badge)](https://www.npmjs.com/package/@11ty/eleventy-dev-server)
## Installation
This is bundled with `@11ty/eleventy` (and you do not need to install it separately) in Eleventy v2.0.
## CLI
Eleventy Dev Server now also includes a CLI. The CLI is for **standalone** (non-Eleventy) use only: separate installation is unnecessary if you’re using this server with `@11ty/eleventy`.
```sh
npm install -g @11ty/eleventy-dev-server
# Alternatively, install locally into your project
npm install @11ty/eleventy-dev-server
```
This package requires Node 18 or newer.
### CLI Usage
```sh
# Serve the current directory
npx @11ty/eleventy-dev-server
# Serve a different subdirectory (also aliased as --input)
npx @11ty/eleventy-dev-server --dir=_site
# Disable the `domdiff` feature
npx @11ty/eleventy-dev-server --domdiff=false
# Full command list in the Help
npx @11ty/eleventy-dev-server --help
```
## Tests
```
npm run test
```
- We use the [ava JavaScript test runner](https://github.com/avajs/ava) ([Assertions documentation](https://github.com/avajs/ava/blob/master/docs/03-assertions.md))
## Changelog
* `v2.0.0` bumps Node.js minimum to 18.

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const pkg = require("./package.json");
const EleventyDevServer = require("./server.js");
const Logger = {
info: function(...args) {
console.log( "[11ty/eleventy-dev-server]", ...args );
},
error: function(...args) {
console.error( "[11ty/eleventy-dev-server]", ...args );
},
fatal: function(...args) {
Logger.error(...args);
process.exitCode = 1;
}
};
Logger.log = Logger.info;
class Cli {
static getVersion() {
return pkg.version;
}
static getHelp() {
return `Usage:
eleventy-dev-server
eleventy-dev-server --dir=_site
eleventy-dev-server --port=3000
Arguments:
--version
--dir=.
Directory to serve (default: \`.\`)
--input (alias for --dir)
--port=8080
Run the web server on this port (default: \`8080\`)
Will autoincrement if already in use.
--domdiff (enabled, default)
--domdiff=false (disabled)
Apply HTML changes without a full page reload.
--help`;
}
static getDefaultOptions() {
return {
port: "8080",
input: ".",
domDiff: true,
}
}
async serve(options = {}) {
this.options = Object.assign(Cli.getDefaultOptions(), options);
this.server = EleventyDevServer.getServer("eleventy-dev-server-cli", this.options.input, {
// TODO allow server configuration extensions
showVersion: true,
logger: Logger,
domDiff: this.options.domDiff,
// CLI watches all files in the folder by default
// this is different from Eleventy usage!
watch: [ this.options.input ],
});
this.server.serve(this.options.port);
// TODO? send any errors here to the server too
// with server.sendError({ error });
}
close() {
if(this.server) {
return this.server.close();
}
}
}
module.exports = {
Logger,
Cli
}

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class Util {
static pad(num, digits = 2) {
let zeroes = new Array(digits + 1).join(0);
return `${zeroes}${num}`.slice(-1 * digits);
}
static log(message) {
Util.output("log", message);
}
static error(message, error) {
Util.output("error", message, error);
}
static output(type, ...messages) {
let now = new Date();
let date = `${Util.pad(now.getUTCHours())}:${Util.pad(
now.getUTCMinutes()
)}:${Util.pad(now.getUTCSeconds())}.${Util.pad(
now.getUTCMilliseconds(),
3
)}`;
console[type](`[11ty][${date} UTC]`, ...messages);
}
static capitalize(word) {
return word.substr(0, 1).toUpperCase() + word.substr(1);
}
static matchRootAttributes(htmlContent) {
// Workaround for morphdom bug with attributes on <html> https://github.com/11ty/eleventy-dev-server/issues/6
// Note also `childrenOnly: true` above
const parser = new DOMParser();
let parsed = parser.parseFromString(htmlContent, "text/html");
let parsedDoc = parsed.documentElement;
let newAttrs = parsedDoc.getAttributeNames();
let docEl = document.documentElement;
// Remove old
let removedAttrs = docEl.getAttributeNames().filter(name => !newAttrs.includes(name));
for(let attr of removedAttrs) {
docEl.removeAttribute(attr);
}
// Add new
for(let attr of newAttrs) {
docEl.setAttribute(attr, parsedDoc.getAttribute(attr));
}
}
static isEleventyLinkNodeMatch(from, to) {
// Issue #18 https://github.com/11ty/eleventy-dev-server/issues/18
// Don’t update a <link> if the _11ty searchParam is the only thing that’s different
if(from.tagName !== "LINK" || to.tagName !== "LINK") {
return false;
}
let oldWithoutHref = from.cloneNode();
let newWithoutHref = to.cloneNode();
oldWithoutHref.removeAttribute("href");
newWithoutHref.removeAttribute("href");
// if all other attributes besides href match
if(!oldWithoutHref.isEqualNode(newWithoutHref)) {
return false;
}
let oldUrl = new URL(from.href);
let newUrl = new URL(to.href);
// morphdom wants to force href="style.css?_11ty" => href="style.css"
let isErasing = oldUrl.searchParams.has("_11ty") && !newUrl.searchParams.has("_11ty");
if(!isErasing) {
// not a match if _11ty has a new value (not being erased)
return false;
}
oldUrl.searchParams.set("_11ty", "");
newUrl.searchParams.set("_11ty", "");
// is a match if erasing and the rest of the href matches too
return oldUrl.toString() === newUrl.toString();
}
// https://github.com/patrick-steele-idem/morphdom/issues/178#issuecomment-652562769
static runScript(source, target) {
let script = document.createElement('script');
// copy over the attributes
for(let attr of [...source.attributes]) {
script.setAttribute(attr.nodeName ,attr.nodeValue);
}
script.innerHTML = source.innerHTML;
(target || source).replaceWith(script);
}
}
class EleventyReload {
constructor() {
this.connectionMessageShown = false;
this.reconnectEventCallback = this.reconnect.bind(this);
}
init(options = {}) {
if (!("WebSocket" in window)) {
return;
}
let { protocol, host } = new URL(document.location.href);
// works with http (ws) and https (wss)
let websocketProtocol = protocol.replace("http", "ws");
let socket = new WebSocket(`${websocketProtocol}//${host}`);
socket.addEventListener("message", async (event) => {
try {
let data = JSON.parse(event.data);
// Util.log( JSON.stringify(data, null, 2) );
let { type } = data;
if (type === "eleventy.reload") {
await this.onreload(data);
} else if (type === "eleventy.msg") {
Util.log(`${data.message}`);
} else if (type === "eleventy.error") {
// Log Eleventy build errors
// Extra parsing for Node Error objects
let e = JSON.parse(data.error);
Util.error(`Build error: ${e.message}`, e);
} else if (type === "eleventy.status") {
// Full page reload on initial reconnect
if (data.status === "connected" && options.mode === "reconnect") {
window.location.reload();
}
if(data.status === "connected") {
// With multiple windows, only show one connection message
if(!this.isConnected) {
Util.log(Util.capitalize(data.status));
}
this.connectionMessageShown = true;
} else {
if(data.status === "disconnected") {
this.addReconnectListeners();
}
Util.log(Util.capitalize(data.status));
}
} else {
Util.log("Unknown event type", data);
}
} catch (e) {
Util.error(`Error parsing ${event.data}: ${e.message}`, e);
}
});
socket.addEventListener("open", () => {
// no reconnection when the connect is already open
this.removeReconnectListeners();
});
socket.addEventListener("close", () => {
this.connectionMessageShown = false;
this.addReconnectListeners();
});
}
reconnect() {
Util.log( "Reconnecting…" );
this.init({ mode: "reconnect" });
}
async onreload({ subtype, files, build }) {
if (subtype === "css") {
for (let link of document.querySelectorAll(`link[rel="stylesheet"]`)) {
if (link.href) {
let url = new URL(link.href);
url.searchParams.set("_11ty", Date.now());
link.href = url.toString();
}
}
Util.log(`CSS updated without page reload.`);
} else {
let morphed = false;
try {
if((build.templates || []).length > 0) {
// Important: using `./` in `./morphdom.js` allows the special `.11ty` folder to be changed upstream
const { default: morphdom } = await import(`./morphdom.js`);
// { url, inputPath, content }
for (let template of build.templates || []) {
if (template.url === document.location.pathname) {
// Importantly, if this does not match but is still relevant (layout/include/etc), a full reload happens below. This could be improved.
if ((files || []).includes(template.inputPath)) {
// Notable limitation: this won’t re-run script elements or JavaScript page lifecycle events (load/DOMContentLoaded)
morphed = true;
morphdom(document.documentElement, template.content, {
childrenOnly: true,
onBeforeElUpdated: function (fromEl, toEl) {
if (fromEl.nodeName === "SCRIPT" && toEl.nodeName === "SCRIPT") {
if(toEl.innerHTML !== fromEl.innerHTML) {
Util.log(`JavaScript modified, reload initiated.`);
window.location.reload();
}
return false;
}
// Speed-up trick from morphdom docs
// https://dom.spec.whatwg.org/#concept-node-equals
if (fromEl.isEqualNode(toEl)) {
return false;
}
if(Util.isEleventyLinkNodeMatch(fromEl, toEl)) {
return false;
}
return true;
},
addChild: function(parent, child) {
// Declarative Shadow DOM https://github.com/11ty/eleventy-dev-server/issues/90
if(child.nodeName === "TEMPLATE" && child.hasAttribute("shadowrootmode")) {
let root = parent.shadowRoot;
if(root) {
// remove all shadow root children
while(root.firstChild) {
root.removeChild(root.firstChild);
}
}
for(let newChild of child.content.childNodes) {
root.appendChild(newChild);
}
} else {
parent.appendChild(child);
}
},
onNodeAdded: function (node) {
if (node.nodeName === 'SCRIPT') {
Util.log(`JavaScript added, reload initiated.`);
window.location.reload();
}
},
onElUpdated: function(node) {
// Re-attach custom elements
if(customElements.get(node.tagName.toLowerCase())) {
let placeholder = document.createElement("div");
node.replaceWith(placeholder);
requestAnimationFrame(() => {
placeholder.replaceWith(node);
placeholder = undefined;
});
}
}
});
Util.matchRootAttributes(template.content);
Util.log(`HTML delta applied without page reload.`);
}
break;
}
}
}
} catch(e) {
Util.error( "Morphdom error", e );
}
if (!morphed) {
Util.log(`Page reload initiated.`);
window.location.reload();
}
}
}
addReconnectListeners() {
this.removeReconnectListeners();
window.addEventListener("focus", this.reconnectEventCallback);
window.addEventListener("visibilitychange", this.reconnectEventCallback);
}
removeReconnectListeners() {
window.removeEventListener("focus", this.reconnectEventCallback);
window.removeEventListener("visibilitychange", this.reconnectEventCallback);
}
}
let reloader = new EleventyReload();
reloader.init();

77
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#!/usr/bin/env node
const pkg = require("./package.json");
// Node check
require("please-upgrade-node")(pkg, {
message: function (requiredVersion) {
return (
"eleventy-dev-server requires Node " +
requiredVersion +
". You will need to upgrade Node!"
);
},
});
const { Logger, Cli } = require("./cli.js");
const debug = require("debug")("Eleventy:DevServer");
try {
const defaults = Cli.getDefaultOptions();
for(let key in defaults) {
if(key.toLowerCase() !== key) {
defaults[key.toLowerCase()] = defaults[key];
delete defaults[key];
}
}
const argv = require("minimist")(process.argv.slice(2), {
string: [
"dir",
"input", // alias for dir
"port",
],
boolean: [
"version",
"help",
"domdiff",
],
default: defaults,
unknown: function (unknownArgument) {
throw new Error(
`We don’t know what '${unknownArgument}' is. Use --help to see the list of supported commands.`
);
},
});
debug("command: eleventy-dev-server %o", argv);
process.on("unhandledRejection", (error, promise) => {
Logger.fatal("Unhandled rejection in promise:", promise, error);
});
process.on("uncaughtException", (error) => {
Logger.fatal("Uncaught exception:", error);
});
if (argv.version) {
console.log(Cli.getVersion());
} else if (argv.help) {
console.log(Cli.getHelp());
} else {
let cli = new Cli();
cli.serve({
input: argv.dir || argv.input,
port: argv.port,
domDiff: argv.domdiff,
});
process.on("SIGINT", async () => {
await cli.close();
process.exitCode = 0;
});
}
} catch (e) {
Logger.fatal("Fatal Error:", e)
}

58
node_modules/@11ty/eleventy-dev-server/package.json generated vendored Normal file
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{
"name": "@11ty/eleventy-dev-server",
"version": "2.0.4",
"description": "A minimal, modern, generic, hot-reloading local web server to help web developers.",
"main": "server.js",
"scripts": {
"test": "npx ava --verbose",
"sample": "node cmd.js --input=test/stubs"
},
"license": "MIT",
"engines": {
"node": ">=18"
},
"funding": {
"type": "opencollective",
"url": "https://opencollective.com/11ty"
},
"bin": {
"eleventy-dev-server": "./cmd.js"
},
"keywords": [
"eleventy",
"server",
"cli"
],
"publishConfig": {
"access": "public"
},
"author": {
"name": "Zach Leatherman",
"email": "zachleatherman@gmail.com",
"url": "https://zachleat.com/"
},
"repository": {
"type": "git",
"url": "git://github.com/11ty/eleventy-dev-server.git"
},
"bugs": "https://github.com/11ty/eleventy-dev-server/issues",
"homepage": "https://github.com/11ty/eleventy-dev-server/",
"dependencies": {
"@11ty/eleventy-utils": "^1.0.3",
"chokidar": "^3.6.0",
"debug": "^4.3.7",
"dev-ip": "^1.0.1",
"finalhandler": "^1.3.0",
"mime": "^3.0.0",
"minimist": "^1.2.8",
"morphdom": "^2.7.4",
"please-upgrade-node": "^3.2.0",
"send": "^0.19.0",
"ssri": "^11.0.0",
"urlpattern-polyfill": "^10.0.0",
"ws": "^8.18.0"
},
"devDependencies": {
"ava": "^6.1.3"
}
}

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node_modules/@11ty/eleventy-dev-server/server.js generated vendored Normal file
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const path = require("node:path");
const fs = require("node:fs");
const finalhandler = require("finalhandler");
const WebSocket = require("ws");
const { WebSocketServer } = WebSocket;
const mime = require("mime");
const ssri = require("ssri");
const send = require("send");
const devip = require("dev-ip");
const chokidar = require("chokidar");
const { TemplatePath, isPlainObject } = require("@11ty/eleventy-utils");
const debug = require("debug")("Eleventy:DevServer");
const pkg = require("./package.json");
const wrapResponse = require("./server/wrapResponse.js");
if (!globalThis.URLPattern) {
require("urlpattern-polyfill");
}
const DEFAULT_OPTIONS = {
port: 8080,
liveReload: true, // Enable live reload at all
showAllHosts: false, // IP address based hosts (other than localhost)
injectedScriptsFolder: ".11ty", // Change the name of the special folder used for injected scripts
portReassignmentRetryCount: 10, // number of times to increment the port if in use
https: {}, // `key` and `cert`, required for http/2 and https
domDiff: true, // Use morphdom to apply DOM diffing delta updates to HTML
showVersion: false, // Whether or not to show the server version on the command line.
encoding: "utf-8", // Default file encoding
pathPrefix: "/", // May be overridden by Eleventy, adds a virtual base directory to your project
watch: [], // Globs to pass to separate dev server chokidar for watching
aliases: {}, // Aliasing feature
indexFileName: "index.html", // Allow custom index file name
useCache: false, // Use a cache for file contents
headers: {}, // Set default response headers
messageOnStart: ({ hosts, startupTime, version, options }) => {
let hostsStr = " started";
if(Array.isArray(hosts) && hosts.length > 0) {
// TODO what happens when the cert doesn’t cover non-localhost hosts?
hostsStr = ` at ${hosts.join(" or ")}`;
}
return `Server${hostsStr}${options.showVersion ? ` (v${version})` : ""}`;
},
onRequest: {}, // Maps URLPatterns to dynamic callback functions that run on a request from a client.
// Example:
// "/foo/:name": function({ url, pattern, patternGroups }) {
// return {
// headers: {
// "Content-Type": "text/html",
// },
// body: `${url} ${JSON.stringify(patternGroups)}`
// }
// }
// Logger (fancier one is injected by Eleventy)
logger: {
info: console.log,
log: console.log,
error: console.error,
}
}
class EleventyDevServer {
static getServer(...args) {
return new EleventyDevServer(...args);
}
constructor(name, dir, options = {}) {
debug("Creating new Dev Server instance.")
this.name = name;
this.normalizeOptions(options);
this.fileCache = {};
// Directory to serve
if(!dir) {
throw new Error("Missing `dir` to serve.");
}
this.dir = dir;
this.logger = this.options.logger;
if(this.options.watch.length > 0) {
this.getWatcher();
}
}
normalizeOptions(options = {}) {
this.options = Object.assign({}, DEFAULT_OPTIONS, options);
// better names for options https://github.com/11ty/eleventy-dev-server/issues/41
if(options.folder !== undefined) {
this.options.injectedScriptsFolder = options.folder;
delete this.options.folder;
}
if(options.domdiff !== undefined) {
this.options.domDiff = options.domdiff;
delete this.options.domdiff;
}
if(options.enabled !== undefined) {
this.options.liveReload = options.enabled;
delete this.options.enabled;
}
this.options.pathPrefix = this.cleanupPathPrefix(this.options.pathPrefix);
}
get watcher() {
if(!this._watcher) {
debug("Watching %O", this.options.watch);
// TODO if using Eleventy and `watch` option includes output folder (_site) this will trigger two update events!
this._watcher = chokidar.watch(this.options.watch, {
// TODO allow chokidar configuration extensions (or re-use the ones in Eleventy)
ignored: ["**/node_modules/**", ".git"],
ignoreInitial: true,
// same values as Eleventy
awaitWriteFinish: {
stabilityThreshold: 150,
pollInterval: 25,
},
});
this._watcher.on("change", (path) => {
this.logger.log( `File changed: ${path} (skips build)` );
this.reloadFiles([path]);
});
this._watcher.on("add", (path) => {
this.logger.log( `File added: ${path} (skips build)` );
this.reloadFiles([path]);
});
}
return this._watcher;
}
getWatcher() {
return this.watcher;
}
watchFiles(files) {
if(Array.isArray(files)) {
files = files.map(entry => TemplatePath.stripLeadingDotSlash(entry));
debug("Also watching %O", files);
this.watcher.add(files);
}
}
cleanupPathPrefix(pathPrefix) {
if(!pathPrefix || pathPrefix === "/") {
return "/";
}
if(!pathPrefix.startsWith("/")) {
pathPrefix = `/${pathPrefix}`
}
if(!pathPrefix.endsWith("/")) {
pathPrefix = `${pathPrefix}/`;
}
return pathPrefix;
}
// Allowed list of files that can be served from outside `dir`
setAliases(aliases) {
if(aliases) {
this.passthroughAliases = aliases;
debug( "Setting aliases (emulated passthrough copy) %O", aliases );
}
}
matchPassthroughAlias(url) {
let aliases = Object.assign({}, this.options.aliases, this.passthroughAliases);
for(let targetUrl in aliases) {
if(!targetUrl) {
continue;
}
let file = aliases[targetUrl];
if(url.startsWith(targetUrl)) {
let inputDirectoryPath = file + url.slice(targetUrl.length);
// e.g. addPassthroughCopy("img/") but <img src="/img/built/IdthKOzqFA-350.png">
// generated by the image plugin (written to the output folder)
// If they do not exist in the input directory, this will fallback to the output directory.
if(fs.existsSync(inputDirectoryPath)) {
return inputDirectoryPath;
}
}
}
return false;
}
isFileInDirectory(dir, file) {
let absoluteDir = TemplatePath.absolutePath(dir);
let absoluteFile = TemplatePath.absolutePath(file);
return absoluteFile.startsWith(absoluteDir);
}
getOutputDirFilePath(filepath, filename = "") {
let computedPath;
if(filename === ".html") {
// avoid trailing slash for filepath/.html requests
let prefix = path.join(this.dir, filepath);
if(prefix.endsWith(path.sep)) {
prefix = prefix.substring(0, prefix.length - path.sep.length);
}
computedPath = prefix + filename;
} else {
computedPath = path.join(this.dir, filepath, filename);
}
computedPath = decodeURIComponent(computedPath);
if(!filename) { // is a direct URL request (not an implicit .html or index.html add)
let alias = this.matchPassthroughAlias(filepath);
if(alias) {
if(!this.isFileInDirectory(path.resolve("."), alias)) {
throw new Error("Invalid path");
}
return alias;
}
}
// Check that the file is in the output path (error if folks try use `..` in the filepath)
if(!this.isFileInDirectory(this.dir, computedPath)) {
throw new Error("Invalid path");
}
return computedPath;
}
isOutputFilePathExists(rawPath) {
return fs.existsSync(rawPath) && !TemplatePath.isDirectorySync(rawPath);
}
/* Use conventions documented here https://www.zachleat.com/web/trailing-slash/
* resource.html exists:
* /resource matches
* /resource/ redirects to /resource
* resource/index.html exists:
* /resource redirects to /resource/
* /resource/ matches
* both resource.html and resource/index.html exists:
* /resource matches /resource.html
* /resource/ matches /resource/index.html
*/
mapUrlToFilePath(url) {
// Note: `localhost` is not important here, any host would work
let u = new URL(url, "http://localhost/");
url = u.pathname;
// Remove PathPrefix from start of URL
if (this.options.pathPrefix !== "/") {
// Requests to root should redirect to new pathPrefix
if(url === "/") {
return {
statusCode: 302,
url: this.options.pathPrefix,
}
}
// Requests to anything outside of root should fail with 404
if (!url.startsWith(this.options.pathPrefix)) {
return {
statusCode: 404,
};
}
url = url.slice(this.options.pathPrefix.length - 1);
}
let rawPath = this.getOutputDirFilePath(url);
if (this.isOutputFilePathExists(rawPath)) {
return {
statusCode: 200,
filepath: rawPath,
};
}
let indexHtmlPath = this.getOutputDirFilePath(url, this.options.indexFileName);
let indexHtmlExists = fs.existsSync(indexHtmlPath);
let htmlPath = this.getOutputDirFilePath(url, ".html");
let htmlExists = fs.existsSync(htmlPath);
// /resource/ => /resource/index.html
if (indexHtmlExists && url.endsWith("/")) {
return {
statusCode: 200,
filepath: indexHtmlPath,
};
}
// /resource => resource.html
if (htmlExists && !url.endsWith("/")) {
return {
statusCode: 200,
filepath: htmlPath,
};
}
// /resource => redirect to /resource/
if (indexHtmlExists && !url.endsWith("/")) {
return {
statusCode: 301,
url: u.pathname + "/",
};
}
// /resource/ => redirect to /resource
if (htmlExists && url.endsWith("/")) {
return {
statusCode: 301,
url: u.pathname.substring(0, u.pathname.length - 1),
};
}
return {
statusCode: 404,
};
}
_getFileContents(localpath, rootDir) {
if(this.options.useCache && this.fileCache[localpath]) {
return this.fileCache[localpath];
}
let filepath;
let searchLocations = [];
if(rootDir) {
searchLocations.push(TemplatePath.absolutePath(rootDir, localpath));
}
// fallbacks for file:../ installations
searchLocations.push(TemplatePath.absolutePath(__dirname, localpath));
searchLocations.push(TemplatePath.absolutePath(__dirname, "../../../", localpath));
for(let loc of searchLocations) {
if(fs.existsSync(loc)) {
filepath = loc;
break;
}
}
let contents = fs.readFileSync(filepath, {
encoding: this.options.encoding,
});
if(this.options.useCache) {
this.fileCache[localpath] = contents;
}
return contents;
}
augmentContentWithNotifier(content, inlineContents = false, options = {}) {
let { integrityHash, scriptContents } = options;
if(!scriptContents) {
scriptContents = this._getFileContents("./client/reload-client.js");
}
if(!integrityHash) {
integrityHash = ssri.fromData(scriptContents);
}
// This isn’t super necessary because it’s a local file, but it’s included anyway
let script = `<script type="module" integrity="${integrityHash}"${inlineContents ? `>${scriptContents}` : ` src="/${this.options.injectedScriptsFolder}/reload-client.js">`}</script>`;
if (content.includes("</head>")) {
return content.replace("</head>", `${script}</head>`);
}
// If the HTML document contains an importmap, insert the module script after the importmap element
let importMapRegEx = /<script type=\\?importmap\\?[^>]*>(\n|.)*?<\/script>/gmi;
let importMapMatch = content.match(importMapRegEx)?.[0];
if (importMapMatch) {
return content.replace(importMapMatch, `${importMapMatch}${script}`);
}
// <title> is the only *required* element in an HTML document
if (content.includes("</title>")) {
return content.replace("</title>", `</title>${script}`);
}
// If you’ve reached this section, your HTML is invalid!
// We want to be super forgiving here, because folks might be in-progress editing the document!
if (content.includes("</body>")) {
return content.replace("</body>", `${script}</body>`);
}
if (content.includes("</html>")) {
return content.replace("</html>", `${script}</html>`);
}
if (content.includes("<!doctype html>")) {
return content.replace("<!doctype html>", `<!doctype html>${script}`);
}
// Notably, works without content at all!!
return (content || "") + script;
}
getFileContentType(filepath, res) {
let contentType = res.getHeader("Content-Type");
// Content-Type might be already set via middleware
if (contentType) {
return contentType;
}
let mimeType = mime.getType(filepath);
if (!mimeType) {
return;
}
contentType = mimeType;
// We only want to append charset if the header is not already set
if (contentType === "text/html") {
contentType = `text/html; charset=${this.options.encoding}`;
}
return contentType;
}
renderFile(filepath, res) {
let contents = fs.readFileSync(filepath);
let contentType = this.getFileContentType(filepath, res);
for(const [key, value] of Object.entries(this.options.headers)){
res.setHeader(key, value);
}
if (!contentType) {
return res.end(contents);
}
res.setHeader("Content-Type", contentType);
if (contentType.startsWith("text/html")) {
// the string is important here, wrapResponse expects strings internally for HTML content (for now)
return res.end(contents.toString());
}
return res.end(contents);
}
async eleventyDevServerMiddleware(req, res, next) {
for(let urlPatternString in this.options.onRequest) {
let fn = this.options.onRequest[urlPatternString];
let fullPath = this.getServerPath(urlPatternString);
let p = new URLPattern({ pathname: fullPath });
// request url should already include pathprefix.
let fullUrl = this.getServerUrlRaw("localhost", req.url);
let match = p.exec(fullUrl);
let u = new URL(fullUrl);
if(match) {
let result = await fn({
url: u,
pattern: p,
patternGroups: match?.pathname?.groups || {},
});
if(!result && result !== "") {
continue;
}
if(typeof result === "string") {
return res.end(result);
}
if(isPlainObject(result)) {
if(typeof result.status === "number") {
res.statusCode = result.status;
}
if(isPlainObject(result.headers)) {
for(let name in result.headers) {
res.setHeader(name, result.headers[name]);
}
}
return res.end(result.body || "");
}
throw new Error(`Invalid return type from \`onRequest\` pattern for ${urlPatternString}: expected string or object.`);
}
}
if(req.url === `/${this.options.injectedScriptsFolder}/reload-client.js`) {
if(this.options.liveReload) {
res.setHeader("Content-Type", mime.getType("js"));
return res.end(this._getFileContents("./client/reload-client.js"));
}
} else if(req.url === `/${this.options.injectedScriptsFolder}/morphdom.js`) {
if(this.options.domDiff) {
res.setHeader("Content-Type", mime.getType("js"));
return res.end(this._getFileContents("./node_modules/morphdom/dist/morphdom-esm.js", path.resolve(".")));
}
}
next();
}
// This runs at the end of the middleware chain
eleventyProjectMiddleware(req, res) {
// Known issue with `finalhandler` and HTTP/2:
// UnsupportedWarning: Status message is not supported by HTTP/2 (RFC7540 8.1.2.4)
// https://github.com/pillarjs/finalhandler/pull/34
let lastNext = finalhandler(req, res, {
onerror: (e) => {
if (e.statusCode === 404) {
let localPath = TemplatePath.stripLeadingSubPath(
e.path,
TemplatePath.absolutePath(this.dir)
);
this.logger.error(
`HTTP ${e.statusCode}: Template not found in output directory (${this.dir}): ${localPath}`
);
} else {
this.logger.error(`HTTP ${e.statusCode}: ${e.message}`);
}
},
});
// middleware (maybe a serverless request) already set a body upstream, skip this part
if(!res._shouldForceEnd) {
let match = this.mapUrlToFilePath(req.url);
debug( req.url, match );
if (match) {
// Content-Range request, probably Safari trying to stream video
if (req.headers.range) {
return send(req, match.filepath).pipe(res);
}
if (match.statusCode === 200 && match.filepath) {
return this.renderFile(match.filepath, res);
}
// Redirects, usually for trailing slash to .html stuff
if (match.url) {
res.statusCode = match.statusCode;
res.setHeader("Location", match.url);
return res.end();
}
let raw404Path = this.getOutputDirFilePath("404.html");
if(match.statusCode === 404 && this.isOutputFilePathExists(raw404Path)) {
res.statusCode = match.statusCode;
res.isCustomErrorPage = true;
return this.renderFile(raw404Path, res);
}
}
}
if(res.body && !res.bodyUsed) {
if(res._shouldForceEnd) {
res.end();
} else {
let err = new Error("A response was never written to the stream. Are you missing a server middleware with `res.end()`?");
err.statusCode = 500;
lastNext(err);
return;
}
}
lastNext();
}
async onRequestHandler (req, res) {
res = wrapResponse(res, content => {
// check to see if this is a client fetch and not a navigation
let isXHR = req.headers["sec-fetch-mode"] && req.headers["sec-fetch-mode"] != "navigate";
if(this.options.liveReload !== false && !isXHR) {
let scriptContents = this._getFileContents("./client/reload-client.js");
let integrityHash = ssri.fromData(scriptContents);
// Bare (not-custom) finalhandler error pages have a Content-Security-Policy `default-src 'none'` that
// prevents the client script from executing, so we override it
if(res.statusCode !== 200 && !res.isCustomErrorPage) {
res.setHeader("Content-Security-Policy", `script-src '${integrityHash}'`);
}
return this.augmentContentWithNotifier(content, res.statusCode !== 200, {
scriptContents,
integrityHash
});
}
return content;
});
let middlewares = this.options.middleware || [];
middlewares = middlewares.slice();
// TODO because this runs at the very end of the middleware chain,
// if we move the static stuff up in the order we could use middleware to modify
// the static content in middleware!
middlewares.push(this.eleventyProjectMiddleware);
middlewares.reverse();
// Runs very first in the middleware chain
middlewares.push(this.eleventyDevServerMiddleware);
let bound = [];
let next;
for(let ware of middlewares) {
let fn;
if(next) {
fn = ware.bind(this, req, res, next);
} else {
fn = ware.bind(this, req, res);
}
bound.push(fn);
next = fn;
}
bound.reverse();
let [first] = bound;
await first();
}
getHosts() {
let hosts = new Set();
if(this.options.showAllHosts) {
for(let host of devip()) {
hosts.add(this.getServerUrl(host));
}
}
hosts.add(this.getServerUrl("localhost"));
return Array.from(hosts);
}
get server() {
if (this._server) {
return this._server;
}
this.start = Date.now();
// Check for secure server requirements, otherwise use HTTP
let { key, cert } = this.options.https;
if(key && cert) {
const { createSecureServer } = require("http2");
let options = {
allowHTTP1: true,
// Credentials
key: fs.readFileSync(key),
cert: fs.readFileSync(cert),
};
this._server = createSecureServer(options, this.onRequestHandler.bind(this));
this._serverProtocol = "https:";
} else {
const { createServer } = require("http");
this._server = createServer(this.onRequestHandler.bind(this));
this._serverProtocol = "http:";
}
this.portRetryCount = 0;
this._server.on("error", (err) => {
if (err.code == "EADDRINUSE") {
if (this.portRetryCount < this.options.portReassignmentRetryCount) {
this.portRetryCount++;
debug(
"Server already using port %o, trying the next port %o. Retry number %o of %o",
err.port,
err.port + 1,
this.portRetryCount,
this.options.portReassignmentRetryCount
);
this._serverListen(err.port + 1);
} else {
throw new Error(
`Tried ${this.options.portReassignmentRetryCount} different ports but they were all in use. You can a different starter port using --port on the command line.`
);
}
} else {
this._serverErrorHandler(err);
}
});
this._server.on("listening", (e) => {
this.setupReloadNotifier();
let logMessageCallback = typeof this.options.messageOnStart === "function" ? this.options.messageOnStart : () => false;
let hosts = this.getHosts();
let message = logMessageCallback({
hosts,
localhostUrl: this.getServerUrl("localhost"),
options: this.options,
version: pkg.version,
startupTime: Date.now() - this.start,
});
if(message) {
this.logger.info(message);
}
});
return this._server;
}
_serverListen(port) {
this.server.listen({
port,
});
}
getServerPath(pathname) {
// duplicate slashes
if(this.options.pathPrefix.endsWith("/") && pathname.startsWith("/")) {
pathname = pathname.slice(1);
}
return `${this.options.pathPrefix}${pathname}`;
}
getServerUrlRaw(host, pathname = "", isRaw = true) {
if(!this._server || !this._serverProtocol) {
throw new Error("Access to `serverUrl` property not yet available.");
}
let { port } = this._server.address();
return `${this._serverProtocol}//${host}:${port}${isRaw ? pathname : this.getServerPath(pathname)}`;
}
getServerUrl(host, pathname = "") {
return this.getServerUrlRaw(host, pathname, false);
}
async getPort() {
return new Promise(resolve => {
this.server.on("listening", (e) => {
let { port } = this._server.address();
resolve(port);
});
})
}
serve(port) {
this.getWatcher();
this._serverListen(port);
}
_serverErrorHandler(err) {
if (err.code == "EADDRINUSE") {
this.logger.error(`Server error: Port in use ${err.port}`);
} else {
this.logger.error(`Server error: ${err.message}`);
}
}
// Websocket Notifications
setupReloadNotifier() {
let updateServer = new WebSocketServer({
// includes the port
server: this.server,
});
updateServer.on("connection", (ws) => {
this.sendUpdateNotification({
type: "eleventy.status",
status: "connected",
});
});
updateServer.on("error", (err) => {
this._serverErrorHandler(err);
});
this.updateServer = updateServer;
}
// Broadcasts to all open browser windows
sendUpdateNotification(obj) {
if(!this.updateServer?.clients) {
return;
}
for(let client of this.updateServer.clients) {
if (client.readyState === WebSocket.OPEN) {
client.send(JSON.stringify(obj));
}
}
}
// Helper for promisifying close methods with callbacks, like http.Server or ws.WebSocketServer.
_closeServer(server) {
return new Promise((resolve, reject) => {
server.close(err => {
if (err) {
reject(err);
}
resolve();
});
});
}
async close() {
// Prevent multiple invocations.
if (this?._isClosing) {
return;
}
this._isClosing = true;
// TODO would be awesome to set a delayed redirect when port changed to redirect to new _server_
this.sendUpdateNotification({
type: "eleventy.status",
status: "disconnected",
});
if(this.updateServer) {
// Close all existing WS connections.
this.updateServer?.clients.forEach(socket => socket.close());
await this._closeServer(this.updateServer);
}
if(this._server?.listening) {
await this._closeServer(this.server);
}
if(this._watcher) {
await this._watcher.close();
delete this._watcher;
}
delete this._isClosing;
}
sendError({ error }) {
this.sendUpdateNotification({
type: "eleventy.error",
// Thanks https://stackoverflow.com/questions/18391212/is-it-not-possible-to-stringify-an-error-using-json-stringify
error: JSON.stringify(error, Object.getOwnPropertyNames(error)),
});
}
// reverse of mapUrlToFilePath
// /resource/ <= /resource/index.html
// /resource <= resource.html
getUrlsFromFilePath(path) {
if(this.dir === ".") {
path = `/${path}`
} else {
path = path.slice(this.dir.length);
}
let urls = [];
urls.push(path);
if(path.endsWith(`/${this.options.indexFileName}`)) {
urls.push(path.slice(0, -1 * this.options.indexFileName.length));
} else if(path.endsWith(".html")) {
urls.push(path.slice(0, -1 * ".html".length));
}
return urls;
}
// [{ url, inputPath, content }]
getBuildTemplatesFromFilePath(path) {
// We can skip this for non-html files, dom-diffing will not apply
if(!path.endsWith(".html")) {
return [];
}
let urls = this.getUrlsFromFilePath(path);
let obj = {
inputPath: path,
content: fs.readFileSync(path, "utf8"),
}
return urls.map(url => {
return Object.assign({ url }, obj);
});
}
reloadFiles(files, useDomDiffingForHtml = true) {
if(!Array.isArray(files)) {
throw new Error("reloadFiles method requires an array of file paths.");
}
let subtype;
if(!files.some((entry) => !entry.endsWith(".css"))) {
// all css changes
subtype = "css";
}
let templates = [];
if(useDomDiffingForHtml && this.options.domDiff) {
for(let filePath of files) {
if(!filePath.endsWith(".html")) {
continue;
}
for(let templateEntry of this.getBuildTemplatesFromFilePath(filePath)) {
templates.push(templateEntry);
}
}
}
this.reload({
files,
subtype,
build: {
templates
}
});
}
reload(event) {
let { subtype, files, build } = event;
if (build?.templates) {
build.templates = build.templates
.filter(entry => {
if(!this.options.domDiff) {
// Don’t include any files if the dom diffing option is disabled
return false;
}
// Filter to only include watched templates that were updated
return (files || []).includes(entry.inputPath);
});
}
this.sendUpdateNotification({
type: "eleventy.reload",
subtype,
files,
build,
});
}
}
module.exports = EleventyDevServer;

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function getContentType(headers) {
if(!headers) {
return;
}
for(let key in headers) {
if(key.toLowerCase() === "content-type") {
return headers[key];
}
}
}
// Inspired by `resp-modifier` https://github.com/shakyShane/resp-modifier/blob/4a000203c9db630bcfc3b6bb8ea2abc090ae0139/index.js
function wrapResponse(resp, transformHtml) {
resp._wrappedOriginalWrite = resp.write;
resp._wrappedOriginalWriteHead = resp.writeHead;
resp._wrappedOriginalEnd = resp.end;
resp._wrappedHeaders = [];
resp._wrappedTransformHtml = transformHtml;
resp._hasEnded = false;
resp._shouldForceEnd = false;
// Compatibility with web standards Response()
Object.defineProperty(resp, "body", {
// Returns write cache
get: function() {
if(typeof this._writeCache === "string") {
return this._writeCache;
}
},
// Usage:
// res.body = ""; // overwrite existing content
// res.body += ""; // append to existing content, can also res.write("") to append
set: function(data) {
if(typeof data === "string") {
this._writeCache = data;
}
}
});
// Compatibility with web standards Response()
Object.defineProperty(resp, "bodyUsed", {
get: function() {
return this._hasEnded;
}
})
// Original signature writeHead(statusCode[, statusMessage][, headers])
resp.writeHead = function(statusCode, ...args) {
let headers = args[args.length - 1];
// statusMessage is a string
if(typeof headers !== "string") {
this._contentType = getContentType(headers);
}
if((this._contentType || "").startsWith("text/html")) {
this._wrappedHeaders.push([statusCode, ...args]);
} else {
return this._wrappedOriginalWriteHead(statusCode, ...args);
}
return this;
}
// data can be a String or Buffer
resp.write = function(data, ...args) {
if(typeof data === "string") {
if(!this._writeCache) {
this._writeCache = "";
}
// TODO encoding and callback args
this._writeCache += data;
} else {
// Buffers
return this._wrappedOriginalWrite(data, ...args);
}
return this;
}
// data can be a String or Buffer
resp.end = function(data, encoding, callback) {
resp._hasEnded = true;
if(typeof this._writeCache === "string" || typeof data === "string") {
// Strings
if(!this._writeCache) {
this._writeCache = "";
}
if(typeof data === "string") {
this._writeCache += data;
}
let result = this._writeCache;
// Only transform HTML
// Note the “setHeader versus writeHead” note on https://nodejs.org/api/http.html#responsewriteheadstatuscode-statusmessage-headers
let contentType = this._contentType || getContentType(this.getHeaders());
if(contentType && contentType.startsWith("text/html")) {
if(this._wrappedTransformHtml && typeof this._wrappedTransformHtml === "function") {
result = this._wrappedTransformHtml(result);
this.setHeader("Content-Length", Buffer.byteLength(result));
}
}
for(let headers of this._wrappedHeaders) {
this._wrappedOriginalWriteHead(...headers);
}
this._writeCache = [];
this._wrappedOriginalWrite(result, encoding)
return this._wrappedOriginalEnd(callback);
} else {
// Buffers
for(let headers of this._wrappedHeaders) {
this._wrappedOriginalWriteHead(...headers);
}
if(data) {
this._wrappedOriginalWrite(data, encoding);
}
return this._wrappedOriginalEnd(callback);
}
}
return resp;
}
module.exports = wrapResponse;

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# eleventy-plugin-bundle
Little bundles of code, little bundles of joy.
Create minimal per-page or app-level bundles of CSS, JavaScript, or HTML to be included in your Eleventy project.
Makes it easy to implement Critical CSS, in-use-only CSS/JS bundles, SVG icon libraries, or secondary HTML content to load via XHR.
## Why?
This project is a minimum-viable-bundler and asset pipeline in Eleventy. It does not perform any transpilation or code manipulation (by default). The code you put in is the code you get out (with configurable `transforms` if you’d like to modify the code).
For more larger, more complex use cases you may want to use a more full featured bundler like Vite, Parcel, Webpack, rollup, esbuild, or others.
But do note that a full-featured bundler has a significant build performance cost, so take care to weigh the cost of using that style of bundler against whether or not this plugin has sufficient functionality for your use case—especially as the platform matures and we see diminishing returns on code transpilation (ES modules everywhere).
## Installation
No installation necessary. Starting with Eleventy `v3.0.0-alpha.10` and newer, this plugin is now bundled with Eleventy.
## Usage
By default, Bundle Plugin v2.0 does not include any default bundles. You must add these yourself via `eleventyConfig.addBundle`. One notable exception happens when using the WebC Eleventy Plugin, which adds `css`, `js`, and `html` bundles for you.
To create a bundle type, use `eleventyConfig.addBundle` in your Eleventy configuration file (default `.eleventy.js`):
```js
// .eleventy.js
export default function(eleventyConfig) {
eleventyConfig.addBundle("css");
};
```
This does two things:
1. Creates a new `css` shortcode for adding arbitrary code to this bundle
2. Adds `"css"` as an eligible type argument to the `getBundle` and `getBundleFileUrl` shortcodes.
### Full options list
```js
export default function(eleventyConfig) {
eleventyConfig.addBundle("css", {
// (Optional) Folder (relative to output directory) files will write to
toFileDirectory: "bundle",
// (Optional) File extension used for bundle file output, defaults to bundle name
outputFileExtension: "css",
// (Optional) Name of shortcode for use in templates, defaults to bundle name
shortcodeName: "css",
// shortcodeName: false, // disable this feature.
// (Optional) Modify bundle content
transforms: [],
// (Optional) If two identical code blocks exist in non-default buckets, they’ll be hoisted to the first bucket in common.
hoist: true,
// (Optional) In 11ty.js templates, having a named export of `bundle` will populate your bundles.
bundleExportKey: "bundle",
// bundleExportKey: false, // disable this feature.
});
};
```
Read more about [`hoist` and duplicate bundle hoisting](https://github.com/11ty/eleventy-plugin-bundle/issues/5).
### Universal Shortcodes
The following Universal Shortcodes (available in `njk`, `liquid`, `hbs`, `11ty.js`, and `webc`) are provided by this plugin:
* `getBundle` to retrieve bundled code as a string.
* `getBundleFileUrl` to create a bundle file on disk and retrieve the URL to that file.
Here’s a [real-world commit showing this in use on the `eleventy-base-blog` project](https://github.com/11ty/eleventy-base-blog/commit/c9595d8f42752fa72c66991c71f281ea960840c9?diff=split).
### Example: Add bundle code in a Markdown file in Eleventy
```md
# My Blog Post
This is some content, I am writing markup.
{% css %}
em { font-style: italic; }
{% endcss %}
## More Markdown
{% css %}
strong { font-weight: bold; }
{% endcss %}
```
Renders to:
```html
<h1>My Blog Post</h1>
<p>This is some content, I am writing markup.</p>
<h2>More Markdown</h2>
```
Note that the bundled code is excluded!
_There are a few [more examples below](#examples)!_
### Render bundle code
```html
<!-- Use this *anywhere*: a layout file, content template, etc -->
<style>{% getBundle "css" %}</style>
<!--
You can add more code to the bundle after calling
getBundle and it will be included.
-->
{% css %}* { color: orange; }{% endcss %}
```
### Write a bundle to a file
Writes the bundle content to a content-hashed file location in your output directory and returns the URL to the file for use like this:
```html
<link rel="stylesheet" href="{% getBundleFileUrl "css" %}">
```
Note that writing bundles to files will likely be slower for empty-cache first time visitors but better cached in the browser for repeat-views (and across multiple pages, too).
### Asset bucketing
```html
<!-- This goes into a `defer` bucket (the bucket can be any string value) -->
{% css "defer" %}em { font-style: italic; }{% endcss %}
```
```html
<!-- Pass the arbitrary `defer` bucket name as an additional argument -->
<style>{% getBundle "css", "defer" %}</style>
<link rel="stylesheet" href="{% getBundleFileUrl 'css', 'defer' %}">
```
A `default` bucket is implied:
```html
<!-- These two statements are the same -->
{% css %}em { font-style: italic; }{% endcss %}
{% css "default" %}em { font-style: italic; }{% endcss %}
<!-- These two are the same too -->
<style>{% getBundle "css" %}</style>
<style>{% getBundle "css", "default" %}</style>
```
### Examples
#### Critical CSS
```js
// .eleventy.js
export default function(eleventyConfig) {
eleventyConfig.addBundle("css");
};
```
Use asset bucketing to divide CSS between the `default` bucket and a `defer` bucket, loaded asynchronously.
_(Note that some HTML boilerplate has been omitted from the sample below)_
```html
<!-- … -->
<head>
<!-- Inlined critical styles -->
<style>{% getBundle "css" %}</style>
<!-- Deferred non-critical styles -->
<link rel="stylesheet" href="{% getBundleFileUrl 'css', 'defer' %}" media="print" onload="this.media='all'">
<noscript>
<link rel="stylesheet" href="{% getBundleFileUrl 'css', 'defer' %}">
</noscript>
</head>
<body>
<!-- This goes into a `default` bucket -->
{% css %}/* Inline in the head, great with @font-face! */{% endcss %}
<!-- This goes into a `defer` bucket (the bucket can be any string value) -->
{% css "defer" %}/* Load me later */{% endcss %}
</body>
<!-- … -->
```
**Related**:
* Check out the [demo of Critical CSS using Eleventy Edge](https://demo-eleventy-edge.netlify.app/critical-css/) for a repeat view optimization without JavaScript.
* You may want to improve the above code with [`fetchpriority`](https://www.smashingmagazine.com/2022/04/boost-resource-loading-new-priority-hint-fetchpriority/) when [browser support improves](https://caniuse.com/mdn-html_elements_link_fetchpriority).
#### SVG Icon Library
Here an `svg` is bundle is created.
```js
// .eleventy.js
export default function(eleventyConfig) {
eleventyConfig.addBundle("svg");
};
```
```html
<svg width="0" height="0" aria-hidden="true" style="position: absolute;">
<defs>{% getBundle "svg" %}</defs>
</svg>
<!-- And anywhere on your page you can add icons to the set -->
{% svg %}
<g id="icon-close"><path d="…" /></g>
{% endsvg %}
And now you can use `icon-close` in as many SVG instances as you’d like (without repeating the heftier SVG content).
<svg><use xlink:href="#icon-close"></use></svg>
<svg><use xlink:href="#icon-close"></use></svg>
<svg><use xlink:href="#icon-close"></use></svg>
<svg><use xlink:href="#icon-close"></use></svg>
```
#### React Helmet-style `<head>` additions
```js
// .eleventy.js
export default function(eleventyConfig) {
eleventyConfig.addBundle("html");
};
```
This might exist in an Eleventy layout file:
```html
<head>
{% getBundle "html", "head" %}
</head>
```
And then in your content you might want to page-specific `preconnect`:
```html
{% html "head" %}
<link href="https://v1.opengraph.11ty.dev" rel="preconnect" crossorigin>
{% endhtml %}
```
#### Bundle Sass with the Render Plugin
You can render template syntax inside of the `{% css %}` shortcode too, if you’d like to do more advanced things using Eleventy template types.
This example assumes you have added the [Render plugin](https://www.11ty.dev/docs/plugins/render/) and the [`scss` custom template type](https://www.11ty.dev/docs/languages/custom/) to your Eleventy configuration file.
```html
{% css %}
{% renderTemplate "scss" %}
h1 { .test { color: red; } }
{% endrenderTemplate %}
{% endcss %}
```
Now the compiled Sass is available in your default bundle and will show up in `getBundle` and `getBundleFileUrl`.
#### Use with [WebC](https://www.11ty.dev/docs/languages/webc/)
Starting with `@11ty/eleventy-plugin-webc@0.9.0` (track at [issue #48](https://github.com/11ty/eleventy-plugin-webc/issues/48)) this plugin is used by default in the Eleventy WebC plugin. Specifically, [WebC Bundler Mode](https://www.11ty.dev/docs/languages/webc/#css-and-js-(bundler-mode)) now uses the bundle plugin under the hood.
To add CSS to a bundle in WebC, you would use a `<style>` element in a WebC page or component:
```html
<style>/* This is bundled. */</style>
<style webc:keep>/* Do not bundle me—leave as is */</style>
```
To add JS to a page bundle in WebC, you would use a `<script>` element in a WebC page or component:
```html
<script>/* This is bundled. */</script>
<script webc:keep>/* Do not bundle me—leave as is */</script>
```
* Existing calls via WebC helpers `getCss` or `getJs` (e.g. `<style @raw="getCss(page.url)">`) have been wired up to `getBundle` (for `"css"` and `"js"` respectively) automatically.
* For consistency, you may prefer using the bundle plugin method names everywhere: `<style @raw="getBundle('css')">` and `<script @raw="getBundle('js')">` both work fine.
* Outside of WebC, the Universal Filters `webcGetCss` and `webcGetJs` were removed in Eleventy `v3.0.0-alpha.10` in favor of the `getBundle` Universal Shortcode (`{% getBundle "css" %}` and `{% getBundle "js" %}` respectively).
#### Modify the bundle output
You can wire up your own async-friendly callbacks to transform the bundle output too. Here’s a quick example of [`postcss` integration](https://github.com/postcss/postcss#js-api).
```js
const postcss = require("postcss");
const postcssNested = require("postcss-nested");
export default function(eleventyConfig) {
eleventyConfig.addBundle("css", {
transforms: [
async function(content) {
// this.type returns the bundle name.
// Same as Eleventy transforms, this.page is available here.
let result = await postcss([postcssNested]).process(content, { from: this.page.inputPath, to: null });
return result.css;
}
]
});
};
```
## Advanced
### Limitations
Bundles do not support nesting or recursion (yet?). If this will be useful to you, please file an issue!
<!--
Version Two:
* Think about Eleventy transform order, scenarios where this transform needs to run first.
* JavaScript API independent of eleventy
* Clean up the _site/bundle folder on exit?
* Example ideas:
* App bundle and page bundle
* can we make this work for syntax highlighting? or just defer to WebC for this?
{% css %}
<style>
em { font-style: italic; }
</style>
{% endcss %}
* a way to declare dependencies? or just defer to buckets here
* What if we want to add code duplicates? Adding `alert(1);` `alert(1);` to alert twice?
* sourcemaps (maybe via magic-string module or https://www.npmjs.com/package/concat-with-sourcemaps)
-->

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import { createRequire } from "node:module";
import bundleManagersPlugin from "./src/eleventy.bundleManagers.js";
import pruneEmptyBundlesPlugin from "./src/eleventy.pruneEmptyBundles.js";
import shortcodesPlugin from "./src/eleventy.shortcodes.js";
import debugUtil from "debug";
const require = createRequire(import.meta.url);
const debug = debugUtil("Eleventy:Bundle");
const pkg = require("./package.json");
function normalizeOptions(options = {}) {
options = Object.assign({
// Plugin defaults
bundles: [], // extra bundles: css, js, and html are guaranteed unless `bundles: false`
toFileDirectory: "bundle",
// post-process
transforms: [],
hoistDuplicateBundlesFor: [],
bundleExportKey: "bundle", // use a `bundle` export in a 11ty.js template to populate bundles
}, options);
if(options.bundles !== false) {
options.bundles = Array.from(new Set(["css", "js", "html", ...(options.bundles || [])]));
}
return options;
}
function eleventyBundlePlugin(eleventyConfig, pluginOptions = {}) {
eleventyConfig.versionCheck(pkg["11ty"].compatibility);
pluginOptions = normalizeOptions(pluginOptions);
if(!("getBundleManagers" in eleventyConfig) && !("addBundle" in eleventyConfig)) {
bundleManagersPlugin(eleventyConfig, pluginOptions);
}
pruneEmptyBundlesPlugin(eleventyConfig, pluginOptions);
// should this be unique too?
shortcodesPlugin(eleventyConfig, pluginOptions);
if(Array.isArray(pluginOptions.bundles)) {
debug("Adding bundles via `addPlugin`: %o", pluginOptions.bundles)
pluginOptions.bundles.forEach(name => {
let isHoisting = Array.isArray(pluginOptions.hoistDuplicateBundlesFor) && pluginOptions.hoistDuplicateBundlesFor.includes(name);
eleventyConfig.addBundle(name, {
hoist: isHoisting,
outputFileExtension: name, // default as `name`
shortcodeName: name, // `false` will skip shortcode
transforms: pluginOptions.transforms,
toFileDirectory: pluginOptions.toFileDirectory,
bundleExportKey: pluginOptions.bundleExportKey, // `false` will skip bundle export
});
});
}
};
// This is used to find the package name for this plugin (used in eleventy-plugin-webc to prevent dupes)
Object.defineProperty(eleventyBundlePlugin, "eleventyPackage", {
value: pkg.name
});
export default eleventyBundlePlugin;
export { normalizeOptions };

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{
"name": "@11ty/eleventy-plugin-bundle",
"version": "3.0.0",
"description": "Little bundles of code, little bundles of joy.",
"main": "eleventy.bundle.js",
"type": "module",
"scripts": {
"sample": "DEBUG=Eleventy:Bundle npx @11ty/eleventy --config=sample/sample-config.js --input=sample --serve",
"test": "npx ava"
},
"publishConfig": {
"access": "public"
},
"license": "MIT",
"engines": {
"node": ">=18"
},
"11ty": {
"compatibility": ">=3.0.0-alpha"
},
"funding": {
"type": "opencollective",
"url": "https://opencollective.com/11ty"
},
"keywords": [
"eleventy",
"eleventy-plugin"
],
"repository": {
"type": "git",
"url": "git://github.com/11ty/eleventy-plugin-bundle.git"
},
"bugs": "https://github.com/11ty/eleventy-plugin-bundle/issues",
"homepage": "https://www.11ty.dev/",
"author": {
"name": "Zach Leatherman",
"email": "zachleatherman@gmail.com",
"url": "https://zachleat.com/"
},
"ava": {
"failFast": true,
"files": [
"test/*.js",
"test/*.mjs"
],
"ignoredByWatcher": [
"**/_site/**",
".cache"
]
},
"devDependencies": {
"@11ty/eleventy": "3.0.0-alpha.20",
"ava": "^5.3.1",
"postcss": "^8.4.31",
"postcss-nested": "^6.0.1",
"sass": "^1.69.5"
},
"dependencies": {
"debug": "^4.3.4",
"posthtml-match-helper": "^2.0.2"
}
}

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import fs from "node:fs";
import path from "node:path";
import { createHash } from "node:crypto";
import debugUtil from "debug";
const debug = debugUtil("Eleventy:Bundle");
const hashCache = {};
const directoryExistsCache = {};
const writingCache = new Set();
class BundleFileOutput {
constructor(outputDirectory, bundleDirectory) {
this.outputDirectory = outputDirectory;
this.bundleDirectory = bundleDirectory || "";
this.hashLength = 10;
this.fileExtension = undefined;
}
setFileExtension(ext) {
this.fileExtension = ext;
}
getFilenameHash(content) {
if(hashCache[content]) {
return hashCache[content];
}
let hash = createHash("sha256");
hash.update(content);
let base64hash = hash.digest('base64').replace(/=/g, "").replace(/\+/g, "-").replace(/\//g, "_");
let filenameHash = base64hash.substring(0, this.hashLength);
hashCache[content] = filenameHash;
return filenameHash;
}
getFilename(filename, extension) {
return filename + (extension && !extension.startsWith(".") ? `.${extension}` : "");
}
modifyPathToUrl(dir, filename) {
return "/" + path.join(dir, filename).split(path.sep).join("/");
}
writeBundle(content, type, writeToFileSystem) {
// do not write a bundle, do not return a file name is content is empty
if(!content) {
return;
}
let dir = path.join(this.outputDirectory, this.bundleDirectory);
let filenameHash = this.getFilenameHash(content);
let filename = this.getFilename(filenameHash, this.fileExtension || type);
if(writeToFileSystem) {
let fullPath = path.join(dir, filename);
// no duplicate writes, this may be improved with a fs exists check, but it would only save the first write
if(!writingCache.has(fullPath)) {
writingCache.add(fullPath);
if(!directoryExistsCache[dir]) {
fs.mkdirSync(dir, { recursive: true });
directoryExistsCache[dir] = true;
}
debug("Writing bundle %o", fullPath);
fs.writeFileSync(fullPath, content);
}
}
return this.modifyPathToUrl(this.bundleDirectory, filename);
}
}
export { BundleFileOutput };

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import { BundleFileOutput } from "./BundleFileOutput.js";
import debugUtil from "debug";
const debug = debugUtil("Eleventy:Bundle");
const DEBUG_LOG_TRUNCATION_SIZE = 200;
class CodeManager {
// code is placed in this bucket by default
static DEFAULT_BUCKET_NAME = "default";
// code is hoisted to this bucket when necessary
static HOISTED_BUCKET_NAME = "default";
constructor(name) {
this.name = name;
this.trimOnAdd = true;
// TODO unindent on add
this.reset();
this.transforms = [];
this.isHoisting = true;
this.fileExtension = undefined;
this.toFileDirectory = undefined;
this.bundleExportKey = "bundle";
}
setFileExtension(ext) {
this.fileExtension = ext;
}
setHoisting(enabled) {
this.isHoisting = !!enabled;
}
setBundleDirectory(dir) {
this.toFileDirectory = dir;
}
setBundleExportKey(key) {
this.bundleExportKey = key;
}
getBundleExportKey() {
return this.bundleExportKey;
}
reset() {
this.pages = {};
}
static normalizeBuckets(bucket) {
if(Array.isArray(bucket)) {
return bucket;
} else if(typeof bucket === "string") {
return bucket.split(",");
}
return [CodeManager.DEFAULT_BUCKET_NAME];
}
setTransforms(transforms) {
if(!Array.isArray(transforms)) {
throw new Error("Array expected to setTransforms");
}
this.transforms = transforms;
}
_initBucket(pageUrl, bucket) {
if(!this.pages[pageUrl][bucket]) {
this.pages[pageUrl][bucket] = new Set();
}
}
addToPage(pageUrl, code = [], bucket) {
if(!Array.isArray(code) && code) {
code = [code];
}
if(code.length === 0) {
return;
}
if(!this.pages[pageUrl]) {
this.pages[pageUrl] = {};
}
let buckets = CodeManager.normalizeBuckets(bucket);
let codeContent = code.map(entry => {
if(this.trimOnAdd) {
return entry.trim();
}
return entry;
});
for(let b of buckets) {
this._initBucket(pageUrl, b);
let debugLoggedContent = codeContent.join("\n");
debug("Adding code to bundle %o for %o (bucket: %o, size: %o): %o", this.name, pageUrl, b, debugLoggedContent.length, debugLoggedContent.length > DEBUG_LOG_TRUNCATION_SIZE ? debugLoggedContent.slice(0, DEBUG_LOG_TRUNCATION_SIZE) + "…" : debugLoggedContent);
for(let content of codeContent) {
if(content) {
this.pages[pageUrl][b].add(content);
}
}
}
}
async runTransforms(str, pageData, buckets) {
for (let callback of this.transforms) {
str = await callback.call(
{
page: pageData,
type: this.name,
buckets: buckets
},
str
);
}
return str;
}
getBucketsForPage(pageData) {
let pageUrl = pageData.url;
if(!this.pages[pageUrl]) {
return [];
}
return Object.keys(this.pages[pageUrl]);
}
getRawForPage(pageData, buckets = undefined) {
let url = pageData.url;
if(!this.pages[url]) {
debug("No bundle code found for %o on %o, %O", this.name, url, this.pages);
return new Set();
}
buckets = CodeManager.normalizeBuckets(buckets);
debug("Retrieving %o for %o (buckets: %o)", this.name, url, buckets);
let set = new Set();
for(let b of buckets) {
if(!this.pages[url][b]) {
// Just continue, if you retrieve code from a bucket that doesn’t exist or has no code, it will return an empty set
continue;
}
for(let entry of this.pages[url][b]) {
set.add(entry);
}
}
return set;
}
async getForPage(pageData, buckets = undefined) {
let set = this.getRawForPage(pageData, buckets);
let bundleContent = Array.from(set).join("\n");
// returns promise
return this.runTransforms(bundleContent, pageData, buckets);
}
async writeBundle(pageData, buckets, options = {}) {
let url = pageData.url;
if(!this.pages[url]) {
debug("No bundle code found for %o on %o, %O", this.name, url, this.pages);
return "";
}
let { output, write } = options;
buckets = CodeManager.normalizeBuckets(buckets);
// TODO the bundle output URL might be useful in the transforms for sourcemaps
let content = await this.getForPage(pageData, buckets);
let writer = new BundleFileOutput(output, this.toFileDirectory);
writer.setFileExtension(this.fileExtension);
return writer.writeBundle(content, this.name, write);
}
// Used when a bucket is output multiple times on a page and needs to be hoisted
hoistBucket(pageData, bucketName) {
let newTargetBucketName = CodeManager.HOISTED_BUCKET_NAME;
if(!this.isHoisting || bucketName === newTargetBucketName) {
return;
}
let url = pageData.url;
if(!this.pages[url] || !this.pages[url][bucketName]) {
debug("No bundle code found for %o on %o, %O", this.name, url, this.pages);
return;
}
debug("Code in bucket (%o) is being hoisted to a new bucket (%o)", bucketName, newTargetBucketName);
this._initBucket(url, newTargetBucketName);
for(let codeEntry of this.pages[url][bucketName]) {
this.pages[url][bucketName].delete(codeEntry);
this.pages[url][newTargetBucketName].add(codeEntry);
}
// delete the bucket
delete this.pages[url][bucketName];
}
}
export { CodeManager };

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import debugUtil from "debug";
const debug = debugUtil("Eleventy:Bundle");
/* This class defers any `bundleGet` calls to a post-build transform step,
* to allow `getBundle` to be called before all of the `css` additions have been processed
*/
class OutOfOrderRender {
static SPLIT_REGEX = /(\/\*__EleventyBundle:[^:]*:[^:]*:[^:]*:EleventyBundle__\*\/)/;
static SEPARATOR = ":";
constructor(content) {
this.content = content;
this.managers = {};
}
// type if `get` (return string) or `file` (bundle writes to file, returns file url)
static getAssetKey(type, name, bucket) {
if(Array.isArray(bucket)) {
bucket = bucket.join(",");
} else if(typeof bucket === "string") {
} else {
bucket = "";
}
return `/*__EleventyBundle:${type}:${name}:${bucket || "default"}:EleventyBundle__*/`
}
static parseAssetKey(str) {
if(str.startsWith("/*__EleventyBundle:")) {
let [prefix, type, name, bucket, suffix] = str.split(OutOfOrderRender.SEPARATOR);
return { type, name, bucket };
}
return false;
}
setAssetManager(name, assetManager) {
this.managers[name] = assetManager;
}
setOutputDirectory(dir) {
this.outputDirectory = dir;
}
normalizeMatch(match) {
let ret = OutOfOrderRender.parseAssetKey(match)
return ret || match;
}
findAll() {
let matches = this.content.split(OutOfOrderRender.SPLIT_REGEX);
let ret = [];
for(let match of matches) {
ret.push(this.normalizeMatch(match));
}
return ret;
}
setWriteToFileSystem(isWrite) {
this.writeToFileSystem = isWrite;
}
getAllBucketsForPage(pageData) {
let availableBucketsForPage = new Set();
for(let name in this.managers) {
for(let bucket of this.managers[name].getBucketsForPage(pageData)) {
availableBucketsForPage.add(`${name}::${bucket}`);
}
}
return availableBucketsForPage;
}
getManager(name) {
if(!this.managers[name]) {
throw new Error(`No asset manager found for ${name}. Known names: ${Object.keys(this.managers)}`);
}
return this.managers[name];
}
async replaceAll(pageData) {
let matches = this.findAll();
let availableBucketsForPage = this.getAllBucketsForPage(pageData);
let usedBucketsOnPage = new Set();
let bucketsOutputStringCount = {};
let bucketsFileCount = {};
for(let match of matches) {
if(typeof match === "string") {
continue;
}
// type is `file` or `get`
let {type, name, bucket} = match;
let key = `${name}::${bucket}`;
if(!usedBucketsOnPage.has(key)) {
usedBucketsOnPage.add(key);
}
if(type === "get") {
if(!bucketsOutputStringCount[key]) {
bucketsOutputStringCount[key] = 0;
}
bucketsOutputStringCount[key]++;
} else if(type === "file") {
if(!bucketsFileCount[key]) {
bucketsFileCount[key] = 0;
}
bucketsFileCount[key]++;
}
}
// Hoist code in non-default buckets that are output multiple times
// Only hoist if 2+ `get` OR 1+ `get` and 1+ `file`
for(let bucketInfo in bucketsOutputStringCount) {
let stringOutputCount = bucketsOutputStringCount[bucketInfo];
if(stringOutputCount > 1 || stringOutputCount === 1 && bucketsFileCount[bucketInfo] > 0) {
let [name, bucketName] = bucketInfo.split("::");
this.getManager(name).hoistBucket(pageData, bucketName);
}
}
let content = await Promise.all(matches.map(match => {
if(typeof match === "string") {
return match;
}
let {type, name, bucket} = match;
let manager = this.getManager(name);
if(type === "get") {
// returns promise
return manager.getForPage(pageData, bucket);
} else if(type === "file") {
// returns promise
return manager.writeBundle(pageData, bucket, {
output: this.outputDirectory,
write: this.writeToFileSystem,
});
}
return "";
}));
for(let bucketInfo of availableBucketsForPage) {
if(!usedBucketsOnPage.has(bucketInfo)) {
let [name, bucketName] = bucketInfo.split("::");
debug(`WARNING! \`${pageData.inputPath}\` has unbundled \`${name}\` assets (in the '${bucketName}' bucket) that were not written to or used on the page. You might want to add a call to \`getBundle('${name}', '${bucketName}')\` to your content! Learn more: https://github.com/11ty/eleventy-plugin-bundle#asset-bucketing`);
}
}
return content.join("");
}
}
export { OutOfOrderRender };

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import { createRequire } from "node:module";
import debugUtil from "debug";
import { CodeManager } from "./CodeManager.js";
const require = createRequire(import.meta.url);
const debug = debugUtil("Eleventy:Bundle");
const pkg = require("../package.json");
function eleventyBundleManagers(eleventyConfig, pluginOptions = {}) {
if("getBundleManagers" in eleventyConfig || "addBundle" in eleventyConfig) {
throw new Error("Duplicate plugin calls for " + pkg.name);
}
let managers = {};
function addBundle(name, bundleOptions = {}) {
if(name in managers) {
debug("Bundle exists %o, skipping.", name);
// note: shortcode must still be added
} else {
debug("Creating new bundle %o", name);
managers[name] = new CodeManager(name);
if(bundleOptions.hoist !== undefined) {
managers[name].setHoisting(bundleOptions.hoist);
}
if(bundleOptions.bundleExportKey !== undefined) {
managers[name].setBundleExportKey(bundleOptions.bundleExportKey);
}
if(bundleOptions.outputFileExtension) {
managers[name].setFileExtension(bundleOptions.outputFileExtension);
}
if(bundleOptions.toFileDirectory) {
managers[name].setBundleDirectory(bundleOptions.toFileDirectory);
}
if(bundleOptions.transforms) {
managers[name].setTransforms(bundleOptions.transforms);
}
}
// if undefined, defaults to `name`
if(bundleOptions.shortcodeName !== false) {
let shortcodeName = bundleOptions.shortcodeName || name;
// e.g. `css` shortcode to add code to page bundle
// These shortcode names are not configurable on purpose (for wider plugin compatibility)
eleventyConfig.addPairedShortcode(shortcodeName, function addContent(content, bucket, explicitUrl) {
let url = explicitUrl || this.page?.url;
if(url) { // don’t add if a file doesn’t have an output URL
managers[name].addToPage(url, content, bucket);
}
return "";
});
}
};
eleventyConfig.addBundle = addBundle;
eleventyConfig.getBundleManagers = function() {
return managers;
};
eleventyConfig.on("eleventy.before", async () => {
for(let key in managers) {
managers[key].reset();
}
});
};
export default eleventyBundleManagers;

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import matchHelper from "posthtml-match-helper";
import debugUtil from "debug";
const debug = debugUtil("Eleventy:Bundle");
const ATTRS = {
keep: "eleventy:keep"
}
function getTextNodeContent(node) {
if (!node.content) {
return "";
}
return node.content
.map((entry) => {
if (typeof entry === "string") {
return entry;
}
if (Array.isArray(entry.content)) {
return getTextNodeContent(entry);
}
return "";
})
.join("");
}
function eleventyPruneEmptyBundles(eleventyConfig, options = {}) {
// Right now script[src],link[rel="stylesheet"] nodes are removed if the final bundles are empty.
// `false` to disable
options.pruneEmptySelector = options.pruneEmptySelector ?? `style,script,link[rel="stylesheet"]`;
// `false` disables this plugin
if(options.pruneEmptySelector === false) {
return;
}
if(!eleventyConfig.htmlTransformer || !eleventyConfig.htmlTransformer?.constructor?.SUPPORTS_PLUGINS_ENABLED_CALLBACK) {
debug("You will need to upgrade your version of Eleventy core to remove empty bundle tags automatically (v3 or newer).");
return;
}
eleventyConfig.htmlTransformer.addPosthtmlPlugin(
"html",
function (pluginOptions = {}) {
return function (tree) {
tree.match(matchHelper(options.pruneEmptySelector), function (node) {
if(node.attrs && node.attrs[ATTRS.keep] !== undefined) {
delete node.attrs[ATTRS.keep];
return node;
}
// <link rel="stylesheet" href="">
if(node.tag === "link") {
if(node.attrs?.rel === "stylesheet" && (node.attrs?.href || "").trim().length === 0) {
return false;
}
} else {
let content = getTextNodeContent(node);
if(!content) {
// <script></script> or <script src=""></script>
if(node.tag === "script" && (node.attrs?.src || "").trim().length === 0) {
return false;
}
// <style></style>
if(node.tag === "style") {
return false;
}
}
}
return node;
});
};
},
{
// the `enabled` callback for plugins is available on v3.0.0-alpha.20+ and v3.0.0-beta.2+
enabled: () => {
return Object.keys(eleventyConfig.getBundleManagers()).length > 0;
}
}
);
}
export default eleventyPruneEmptyBundles;

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import { OutOfOrderRender } from "./OutOfOrderRender.js";
import debugUtil from "debug";
const debug = debugUtil("Eleventy:Bundle");
function eleventyBundleShortcodes(eleventyConfig, pluginOptions = {}) {
let managers = eleventyConfig.getBundleManagers();
let writeToFileSystem = true;
let pagesUsingBundles = {};
eleventyConfig.on("eleventy.before", async ({ outputMode }) => {
if(Object.keys(managers).length === 0) {
return;
}
pagesUsingBundles = {};
if(outputMode !== "fs") {
writeToFileSystem = false;
debug("Skipping writing to the file system due to output mode: %o", outputMode);
}
});
// e.g. `getBundle` shortcode to get code in current page bundle
// bucket can be an array
// This shortcode name is not configurable on purpose (for wider plugin compatibility)
eleventyConfig.addShortcode("getBundle", function getContent(type, bucket, explicitUrl) {
if(!type || !(type in managers) || Object.keys(managers).length === 0) {
throw new Error(`Invalid bundle type: ${type}. Available options: ${Object.keys(managers)}`);
}
let url = explicitUrl || this.page?.url;
if(url) {
pagesUsingBundles[url] = true;
}
return OutOfOrderRender.getAssetKey("get", type, bucket);
});
// write a bundle to the file system
// This shortcode name is not configurable on purpose (for wider plugin compatibility)
eleventyConfig.addShortcode("getBundleFileUrl", function(type, bucket, explicitUrl) {
if(!type || !(type in managers) || Object.keys(managers).length === 0) {
throw new Error(`Invalid bundle type: ${type}. Available options: ${Object.keys(managers)}`);
}
let url = explicitUrl || this.page?.url;
if(url) {
pagesUsingBundles[url] = true;
}
return OutOfOrderRender.getAssetKey("file", type, bucket);
});
eleventyConfig.addTransform("@11ty/eleventy-bundle", function(content) {
// `page.outputPath` is required to perform bundle transform, unless
// we're running in Eleventy Serverless.
let missingOutputPath = !this.page.outputPath && process.env.ELEVENTY_SERVERLESS !== "true";
if(missingOutputPath || typeof content !== "string") {
return content;
}
// Only run if managers are in play
// Only run on pages that have fetched bundles via `getBundle` or `getBundleFileUrl`
if(Object.keys(managers).length === 0 || this.page.url && !pagesUsingBundles[this.page.url]) {
return content;
}
debug("Processing %o", this.page.url);
let render = new OutOfOrderRender(content);
for(let key in managers) {
render.setAssetManager(key, managers[key]);
}
render.setOutputDirectory(eleventyConfig.directories.output);
render.setWriteToFileSystem(writeToFileSystem);
return render.replaceAll(this.page);
});
};
export default eleventyBundleShortcodes;

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MIT License
Copyright (c) 2022 Zach Leatherman @zachleat
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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<p align="center"><img src="https://www.11ty.dev/img/logo-github.png" alt="eleventy Logo"></p>
# eleventy-utils 🕚⚡️🎈🐀
Low level internal utilities to be shared amongst Eleventy projects.
## ➡ [Documentation](https://www.11ty.dev/docs/)
- Please star [Eleventy on GitHub](https://github.com/11ty/eleventy/)!
- Follow us on Twitter [@eleven_ty](https://twitter.com/eleven_ty)
- Support [11ty on Open Collective](https://opencollective.com/11ty)
- [11ty on npm](https://www.npmjs.com/org/11ty)
- [11ty on GitHub](https://github.com/11ty)
[![npm Version](https://img.shields.io/npm/v/@11ty/eleventy-utils.svg?style=for-the-badge)](https://www.npmjs.com/package/@11ty/eleventy-utils)
## Installation
```
npm install @11ty/eleventy-utils
```
## Tests
```
npm run test
```
- We use the [ava JavaScript test runner](https://github.com/avajs/ava) ([Assertions documentation](https://github.com/avajs/ava/blob/master/docs/03-assertions.md))

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const TemplatePath = require("./src/TemplatePath.js");
const isPlainObject = require("./src/IsPlainObject.js");
const Merge = require("./src/Merge.js");
const { DeepCopy } = Merge;
module.exports = {
TemplatePath,
isPlainObject,
Merge,
DeepCopy,
};

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node_modules/@11ty/eleventy-utils/package.json generated vendored Normal file
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{
"name": "@11ty/eleventy-utils",
"version": "1.0.3",
"description": "Low level internal utilities to be shared amongst Eleventy projects",
"main": "index.js",
"files": [
"src",
"src/**",
"index.js",
"!test",
"!test/**"
],
"scripts": {
"test": "npx ava --verbose"
},
"license": "MIT",
"engines": {
"node": ">=12"
},
"funding": {
"type": "opencollective",
"url": "https://opencollective.com/11ty"
},
"keywords": [
"eleventy"
],
"publishConfig": {
"access": "public"
},
"author": {
"name": "Zach Leatherman",
"email": "zachleatherman@gmail.com",
"url": "https://zachleat.com/"
},
"repository": {
"type": "git",
"url": "git://github.com/11ty/eleventy-utils.git"
},
"bugs": "https://github.com/11ty/eleventy-utils/issues",
"homepage": "https://github.com/11ty/eleventy-utils/",
"dependencies": {
"normalize-path": "^3.0.0"
},
"devDependencies": {
"ava": "^6.1.3"
}
}

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node_modules/@11ty/eleventy-utils/src/IsPlainObject.js generated vendored Normal file
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/* Prior art: this utility was created for https://github.com/11ty/eleventy/issues/2214
* Inspired by implementations from `is-what`, `typechecker`, `jQuery`, and `lodash`
* `is-what`
* More reading at https://www.npmjs.com/package/is-what#user-content-isplainobject-vs-isanyobject
* if (Object.prototype.toString.call(value).slice(8, -1) !== 'Object') return false;
* return value.constructor === Object && Object.getPrototypeOf(value) === Object.prototype;
* `typechecker`
* return value !== null && typeof value === 'object' && value.__proto__ === Object.prototype;
* Notably jQuery and lodash have very similar implementations.
* For later, remember the `value === Object(value)` trick
*/
module.exports = function (value) {
if (value === null || typeof value !== "object") {
return false;
}
let proto = Object.getPrototypeOf(value);
return !proto || proto === Object.prototype;
};

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"use strict";
// above is required for Object.freeze to fail correctly.
const isPlainObject = require("./IsPlainObject.js");
const OVERRIDE_PREFIX = "override:";
function cleanKey(key, prefix) {
if (prefix && key.startsWith(prefix)) {
return key.slice(prefix.length);
}
return key;
}
function getMergedItem(target, source, prefixes = {}) {
let { override } = prefixes;
// Shortcut for frozen source (if target does not exist)
if (!target && isPlainObject(source) && Object.isFrozen(source)) {
return source;
}
let sourcePlainObjectShortcut;
if (!target && isPlainObject(source)) {
// deep copy objects to avoid sharing and to effect key renaming
target = {};
sourcePlainObjectShortcut = true;
}
if (Array.isArray(target) && Array.isArray(source)) {
return target.concat(source);
} else if (isPlainObject(target)) {
if (sourcePlainObjectShortcut || isPlainObject(source)) {
for (let key in source) {
let overrideKey = cleanKey(key, override);
// An error happens here if the target is frozen
target[overrideKey] = getMergedItem(target[key], source[key], prefixes);
}
}
return target;
}
// number, string, class instance, etc
return source;
}
// The same as Merge but without override prefixes
function DeepCopy(targetObject, ...sources) {
for (let source of sources) {
if (!source) {
continue;
}
targetObject = getMergedItem(targetObject, source);
}
return targetObject;
}
function Merge(target, ...sources) {
// Remove override prefixes from root target.
if (isPlainObject(target)) {
for (let key in target) {
if (key.indexOf(OVERRIDE_PREFIX) === 0) {
target[key.slice(OVERRIDE_PREFIX.length)] = target[key];
delete target[key];
}
}
}
for (let source of sources) {
if (!source) {
continue;
}
target = getMergedItem(target, source, {
override: OVERRIDE_PREFIX,
});
}
return target;
}
module.exports = Merge;
module.exports.DeepCopy = DeepCopy;

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const path = require("path");
const normalize = require("normalize-path");
const fs = require("fs");
function TemplatePath() {}
/**
* @returns {String} the absolute path to Eleventy’s project directory.
*/
TemplatePath.getWorkingDir = function () {
return TemplatePath.normalize(path.resolve("."));
};
/**
* Returns the directory portion of a path.
* Works for directory and file paths and paths ending in a glob pattern.
*
* @param {String} path A path
* @returns {String} the directory portion of a path.
*/
TemplatePath.getDir = function (path) {
if (TemplatePath.isDirectorySync(path)) {
return path;
}
return TemplatePath.getDirFromFilePath(path);
};
/**
* Returns the directory portion of a path that either points to a file
* or ends in a glob pattern. If `path` points to a directory,
* the returned value will have its last path segment stripped
* due to how [`path.parse`][1] works.
*
* [1]: https://nodejs.org/api/path.html#path_path_parse_path
*
* @param {String} path A path
* @returns {String} the directory portion of a path.
*/
TemplatePath.getDirFromFilePath = function (filePath) {
return path.parse(filePath).dir || ".";
};
/**
* Returns the last path segment in a path (no leading/trailing slashes).
*
* Assumes [`path.parse`][1] was called on `path` before.
*
* [1]: https://nodejs.org/api/path.html#path_path_parse_path
*
* @param {String} path A path
* @returns {String} the last path segment in a path
*/
TemplatePath.getLastPathSegment = function (path) {
if (!path.includes("/")) {
return path;
}
// Trim a trailing slash if there is one
path = path.replace(/\/$/, "");
return path.substr(path.lastIndexOf("/") + 1);
};
/**
* @param {String} path A path
* @returns {String[]} an array of paths pointing to each path segment of the
* provided `path`.
*/
TemplatePath.getAllDirs = function (path) {
// Trim a trailing slash if there is one
path = path.replace(/\/$/, "");
if (!path.includes("/")) {
return [path];
}
return path
.split("/")
.map((segment, index, array) => array.slice(0, index + 1).join("/"))
.filter((path) => path !== ".")
.reverse();
};
/**
* Normalizes a path, resolving single-dot and double-dot segments.
*
* Node.js’ [`path.normalize`][1] is called to strip a possible leading `"./"` segment.
*
* [1]: https://nodejs.org/api/path.html#path_path_normalize_path
*
* @param {String} thePath The path that should be normalized.
* @returns {String} the normalized path.
*/
TemplatePath.normalize = function (thePath) {
return normalize(path.normalize(thePath));
};
/**
* Joins all given path segments together.
*
* It uses Node.js’ [`path.join`][1] method and the [normalize-path][2] package.
*
* [1]: https://nodejs.org/api/path.html#path_path_join_paths
* [2]: https://www.npmjs.com/package/normalize-path
*
* @param {String[]} paths An arbitrary amount of path segments.
* @returns {String} the normalized and joined path.
*/
TemplatePath.join = function (...paths) {
return normalize(path.join(...paths));
};
/**
* Joins the given URL path segments and normalizes the resulting path.
* Maintains a single trailing slash if the last URL path argument
* had at least one.
*
* @param {String[]} urlPaths
* @returns {String} a normalized URL path described by the given URL path segments.
*/
TemplatePath.normalizeUrlPath = function (...urlPaths) {
const urlPath = path.posix.join(...urlPaths);
return urlPath.replace(/\/+$/, "/");
};
/**
* Joins the given path segments. Since the first path is absolute,
* the resulting path will be absolute as well.
*
* @param {String[]} paths
* @returns {String} the absolute path described by the given path segments.
*/
TemplatePath.absolutePath = function (...paths) {
let i = 0;
// check all the paths before we short circuit from the first index
for (let p of paths) {
if (path.isAbsolute(p) && i > 0) {
throw new Error(
`Only the first parameter to Template.absolutePath can be an absolute path. Received: ${p} from ${paths}`
);
}
i++;
}
let j = 0;
for (let p of paths) {
if (j === 0 && path.isAbsolute(p)) {
return TemplatePath.join(...paths);
}
j++;
}
return TemplatePath.join(TemplatePath.getWorkingDir(), ...paths);
};
/**
* Turns an absolute path into a path relative to the project directory.
*
* @param {String} absolutePath
* @returns {String} the relative path.
*/
TemplatePath.relativePath = function (absolutePath) {
return TemplatePath.stripLeadingSubPath(
absolutePath,
TemplatePath.getWorkingDir()
);
};
/**
* Adds a leading dot-slash segment to each path in the `paths` array.
*
* @param {String[]} paths
* @returns {String[]}
*/
TemplatePath.addLeadingDotSlashArray = function (paths) {
return paths.map((path) => TemplatePath.addLeadingDotSlash(path));
};
/**
* Adds a leading dot-slash segment to `path`.
*
* @param {String} path
* @returns {String}
*/
TemplatePath.addLeadingDotSlash = function (pathArg) {
if (pathArg === "." || pathArg === "..") {
return pathArg + "/";
}
if (
path.isAbsolute(pathArg) ||
pathArg.startsWith("./") ||
pathArg.startsWith("../")
) {
return pathArg;
}
return "./" + pathArg;
};
/**
* Removes a leading dot-slash segment.
*
* @param {String} path
* @returns {String} the `path` without a leading dot-slash segment.
*/
TemplatePath.stripLeadingDotSlash = function (path) {
return typeof path === "string" ? path.replace(/^\.\//, "") : path;
};
/**
* Determines whether a path starts with a given sub path.
*
* @param {String} path A path
* @param {String} subPath A path
* @returns {Boolean} whether `path` starts with `subPath`.
*/
TemplatePath.startsWithSubPath = function (path, subPath) {
path = TemplatePath.normalize(path);
subPath = TemplatePath.normalize(subPath);
return path.startsWith(subPath);
};
/**
* Removes the `subPath` at the start of `path` if present
* and returns the remainding path.
*
* @param {String} path A path
* @param {String} subPath A path
* @returns {String} the `path` without `subPath` at the start of it.
*/
TemplatePath.stripLeadingSubPath = function (path, subPath) {
path = TemplatePath.normalize(path);
subPath = TemplatePath.normalize(subPath);
if (subPath !== "." && path.startsWith(subPath)) {
return path.substr(subPath.length + 1);
}
return path;
};
/**
* @param {String} path A path
* @returns {Boolean} whether `path` points to an existing directory.
*/
TemplatePath.isDirectorySync = function (path) {
return fs.existsSync(path) && fs.statSync(path).isDirectory();
};
/**
* @param {String} path A path
* @returns {Boolean} whether `path` points to an existing directory.
*/
TemplatePath.isDirectory = async function (path) {
return new Promise((resolve) => {
fs.stat(path, (err, stats) => {
if (stats) {
resolve(stats.isDirectory());
}
resolve(false);
});
});
};
/**
* Appends a recursive wildcard glob pattern to `path`
* unless `path` is not a directory; then, `path` is assumed to be a file path
* and is left unchaged.
*
* @param {String} path
* @returns {String}
*/
TemplatePath.convertToRecursiveGlobSync = function (path) {
if (path === "") {
return "./**";
}
path = TemplatePath.addLeadingDotSlash(path);
if (TemplatePath.isDirectorySync(path)) {
return path + (!path.endsWith("/") ? "/" : "") + "**";
}
return path;
};
/**
* Appends a recursive wildcard glob pattern to `path`
* unless `path` is not a directory; then, `path` is assumed to be a file path
* and is left unchaged.
*
* @param {String} path
* @returns {String}
*/
TemplatePath.convertToRecursiveGlob = async function (path) {
if (path === "") {
return "./**";
}
path = TemplatePath.addLeadingDotSlash(path);
if (await TemplatePath.isDirectory(path)) {
return path + (!path.endsWith("/") ? "/" : "") + "**";
}
return path;
};
/**
* Returns the extension of the path without the leading dot.
* If the path has no extensions, the empty string is returned.
*
* @param {String} thePath
* @returns {String} the path’s extension if it exists;
* otherwise, the empty string.
*/
TemplatePath.getExtension = function (thePath) {
return path.extname(thePath).replace(/^\./, "");
};
/**
* Removes the extension from a path.
*
* @param {String} path
* @param {String} extension
* @returns {String}
*/
TemplatePath.removeExtension = function (path, extension = undefined) {
if (extension === undefined) {
return path;
}
const pathExtension = TemplatePath.getExtension(path);
if (pathExtension !== "" && extension.endsWith(pathExtension)) {
return path.substring(0, path.lastIndexOf(pathExtension) - 1);
}
return path;
};
/**
* Accepts a relative file path that is using a standard directory separator and
* normalizes it using the local operating system separator.
* e.g. `./my/dir/` stays `./my/dir/` on *nix and becomes `.\\my\\dir\\` on Windows
*
* @param {String} filePath
* @returns {String} a file path with the correct local directory separator.
*/
TemplatePath.normalizeOperatingSystemFilePath = function (filePath, sep = "/") {
return filePath.split(sep).join(path.sep);
};
/**
* Accepts a relative file path with the local operating system directory separator and
* normalizes it using a forward slash directory separator. (Leaves trailing slash as-is)
* e.g. `./my/dir/` stays `./my/dir/` on *nix and becomes `.\\my\\dir\\` on Windows
*
* @param {String} filePath
* @returns {String} a file path with the correct local directory separator.
*/
TemplatePath.standardizeFilePath = function (filePath, sep = "/") {
return TemplatePath.addLeadingDotSlash(filePath.split(path.sep).join(sep));
};
module.exports = TemplatePath;

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# Eleventy Community Code of Conduct
View the [Code of Conduct](https://www.11ty.dev/docs/code-of-conduct/) on 11ty.dev
## Our Pledge
In the interest of fostering an open and welcoming environment, we as contributors and maintainers pledge to making participation in our project and our community a harassment-free experience for everyone, regardless of age, body size, disability, ethnicity, gender identity and expression, level of experience, nationality, personal appearance, race, religion, or sexual identity and orientation.
## Our Standards
Examples of behavior that contributes to creating a positive environment include:
- Using welcoming and inclusive language
- Being respectful of differing viewpoints and experiences
- Gracefully accepting constructive criticism
- Focusing on what is best for the community
- Showing empathy towards other community members
Examples of unacceptable behavior by participants include:
- The use of sexualized language or imagery and unwelcome sexual attention or advances
- Trolling, insulting/derogatory comments, and personal or political attacks
- Public or private harassment
- Publishing others' private information, such as a physical or electronic address, without explicit permission
- Other conduct which could reasonably be considered inappropriate in a professional setting
## Our Responsibilities
Project maintainers are responsible for clarifying the standards of acceptable behavior and are expected to take appropriate and fair corrective action in response to any instances of unacceptable behavior.
Project maintainers have the right and responsibility to remove, edit, or reject comments, commits, code, wiki edits, issues, chat messages, and other contributions that are not aligned to this Code of Conduct, or to ban temporarily or permanently any contributor for other behaviors that they deem inappropriate, threatening, offensive, or harmful.
## Scope
This Code of Conduct applies both within project spaces and in public spaces when an individual is representing the project or its community. Examples of representing a project or community include using an official project e-mail address, posting via an official social media account, or acting as an appointed representative at an online or offline event. Representation of a project may be further defined and clarified by project maintainers.
## Enforcement
Instances of abusive, harassing, or otherwise unacceptable behavior may be reported by contacting the project team at eleventy@zachleat.com. The project team will review and investigate all complaints, and will respond in a way that it deems appropriate to the circumstances. The project team is obligated to maintain confidentiality with regard to the reporter of an incident. Further details of specific enforcement policies may be posted separately.
Project maintainers who do not follow or enforce the Code of Conduct in good faith may face temporary or permanent repercussions as determined by other members of the project's leadership.
## Attribution
This Code of Conduct is adapted from the [Contributor Covenant][homepage], version 1.4, available at [http://contributor-covenant.org/version/1/4][version]
[homepage]: http://contributor-covenant.org
[version]: http://contributor-covenant.org/version/1/4/

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MIT License
Copyright (c) 2017–2024 Zach Leatherman @zachleat
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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<p align="center"><img src="https://www.11ty.dev/img/logo-github.svg" width="200" height="200" alt="eleventy Logo"></p>
# eleventy 🕚⚡️🎈🐀
A simpler static site generator. An alternative to Jekyll. Written in JavaScript. Transforms a directory of templates (of varying types) into HTML.
Works with HTML, Markdown, JavaScript, Liquid, Nunjucks, with addons for WebC, Sass, Vue, Svelte, TypeScript, JSX, and many others!
## ➡ [Documentation](https://www.11ty.dev/docs/)
- Please star [this repo on GitHub](https://github.com/11ty/eleventy/)!
- Follow us on Mastodon [@eleventy@fosstodon.org](https://fosstodon.org/@eleventy) or Twitter [@eleven_ty](https://twitter.com/eleven_ty)
- Join us on [Discord](https://www.11ty.dev/blog/discord/)
- Support [11ty on Open Collective](https://opencollective.com/11ty)
- [11ty on npm](https://www.npmjs.com/org/11ty)
- [11ty on GitHub](https://github.com/11ty)
[![npm Version](https://img.shields.io/npm/v/@11ty/eleventy.svg?style=for-the-badge)](https://www.npmjs.com/package/@11ty/eleventy) [![GitHub issues](https://img.shields.io/github/issues/11ty/eleventy.svg?style=for-the-badge)](https://github.com/11ty/eleventy/issues) [![code style: prettier](https://img.shields.io/badge/code_style-prettier-ff69b4.svg?style=for-the-badge)](https://github.com/prettier/prettier) [![npm Downloads](https://img.shields.io/npm/dt/@11ty/eleventy.svg?style=for-the-badge)](https://www.npmjs.com/package/@11ty/eleventy)
## Installation
```
npm install @11ty/eleventy --save-dev
```
Read our [Getting Started guide](https://www.11ty.dev/docs/getting-started/).
## Tests
```
npm run test
```
- We use the [ava JavaScript test runner](https://github.com/avajs/ava) ([Assertions documentation](https://github.com/avajs/ava/blob/master/docs/03-assertions.md))
- ℹ️ To keep tests fast, thou shalt try to avoid writing files in tests.
- [Continuous Integration on GitHub Actions](https://github.com/11ty/eleventy/actions/workflows/ci.yml)
- [Code Coverage Statistics](https://github.com/11ty/eleventy/blob/master/docs/coverage.md)
- [Benchmark for Performance Regressions](https://github.com/11ty/eleventy-benchmark)
## Community Roadmap
- [Top Feature Requests](https://github.com/11ty/eleventy/issues?q=label%3Aneeds-votes+sort%3Areactions-%2B1-desc+label%3Aenhancement) (Add your own votes using the 👍 reaction)
- [Top Bugs 😱](https://github.com/11ty/eleventy/issues?q=is%3Aissue+is%3Aopen+label%3Abug+sort%3Areactions) (Add your own votes using the 👍 reaction)
## Plugins
See the [official docs on plugins](https://www.11ty.dev/docs/plugins/).

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# Security Policy
## Reporting a Vulnerability
Privately report a security issue by navigating to https://github.com/11ty/eleventy/security and using the “Report a vulnerability” button.
Read more at: https://docs.github.com/en/code-security/security-advisories/guidance-on-reporting-and-writing-information-about-vulnerabilities/privately-reporting-a-security-vulnerability
Alternatively, you may report security issues via an email to `security@11ty.dev`.

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#!/usr/bin/env node
// This file intentionally uses older code conventions to be as friendly
// as possible with error messaging to folks on older runtimes.
const pkg = require("./package.json");
require("please-upgrade-node")(pkg, {
message: function (requiredVersion) {
return (
"Eleventy " +
pkg.version +
" requires Node " +
requiredVersion +
". You will need to upgrade Node to use Eleventy!"
);
},
});
const minimist = require("minimist");
const debug = require("debug")("Eleventy:cmd");
(async function () {
const { EleventyErrorHandler } = await import("./src/Errors/EleventyErrorHandler.js");
class SimpleError extends Error {
constructor(...args) {
super(...args);
this.skipOriginalStack = true;
}
}
try {
const argv = minimist(process.argv.slice(2), {
string: ["input", "output", "formats", "config", "pathprefix", "port", "to", "incremental", "loader"],
boolean: [
"quiet",
"version",
"watch",
"dryrun",
"help",
"serve",
"ignore-initial",
],
default: {
quiet: null,
"ignore-initial": false,
"to": "fs",
},
unknown: function (unknownArgument) {
throw new Error(
`We don’t know what '${unknownArgument}' is. Use --help to see the list of supported commands.`,
);
},
});
debug("command: eleventy %o", argv);
const { Eleventy } = await import("./src/Eleventy.js");
let ErrorHandler = new EleventyErrorHandler();
process.on("unhandledRejection", (error, promise) => {
ErrorHandler.fatal(error, "Unhandled rejection in promise");
});
process.on("uncaughtException", (error) => {
ErrorHandler.fatal(error, "Uncaught exception");
});
process.on("rejectionHandled", (promise) => {
ErrorHandler.warn(promise, "A promise rejection was handled asynchronously");
});
if (argv.version) {
console.log(Eleventy.getVersion());
return;
} else if (argv.help) {
console.log(Eleventy.getHelp());
return;
}
let elev = new Eleventy(argv.input, argv.output, {
source: "cli",
// --quiet and --quiet=true both resolve to true
quietMode: argv.quiet,
configPath: argv.config,
pathPrefix: argv.pathprefix,
runMode: argv.serve ? "serve" : argv.watch ? "watch" : "build",
dryRun: argv.dryrun,
loader: argv.loader,
});
// reuse ErrorHandler instance in Eleventy
ErrorHandler = elev.errorHandler;
// Before init
elev.setFormats(argv.formats);
// careful, we can’t use async/await here to error properly
// with old node versions in `please-upgrade-node` above.
elev
.init()
.then(() => {
if (argv.to === "json" || argv.to === "ndjson") {
// override logging output
elev.setIsVerbose(false);
}
// Only relevant for watch/serve
elev.setIgnoreInitial(argv["ignore-initial"]);
if(argv.incremental) {
elev.setIncrementalFile(argv.incremental);
} else if(argv.incremental !== undefined) {
elev.setIncrementalBuild(argv.incremental === "" || argv.incremental);
}
if (argv.serve || argv.watch) {
if(argv.to === "json" || argv.to === "ndjson") {
throw new SimpleError("--to=json and --to=ndjson are not compatible with --serve or --watch.");
}
elev
.watch()
.then(() => {
if (argv.serve) {
elev.serve(argv.port);
}
}, error => {
// A build error occurred and we aren’t going to --serve
ErrorHandler.once("error", error, "Eleventy Error (Watch CLI)");
});
process.on("SIGINT", async () => {
await elev.stopWatch();
process.exitCode = 0;
});
} else {
if (!argv.to || argv.to === "fs") {
elev.write().catch(error => {
ErrorHandler.once("fatal", error, "Eleventy Error (FS CLI)");
});
} else if (argv.to === "json") {
elev.toJSON().then(function (result) {
console.log(JSON.stringify(result, null, 2));
}, error => {
ErrorHandler.once("fatal", error, "Eleventy Error (JSON CLI)");
});
} else if (argv.to === "ndjson") {
elev.toNDJSON().then(function (stream) {
stream.pipe(process.stdout);
}, error => {
ErrorHandler.once("fatal", error, "Eleventy Error (JSON CLI)");
});
} else {
throw new SimpleError(
`Invalid --to value: ${argv.to}. Supported values: \`fs\` (default), \`json\`, and \`ndjson\`.`,
);
}
}
}).catch(error => {
ErrorHandler.fatal(error, "Eleventy Error (CLI)");
});
} catch (error) {
let ErrorHandler = new EleventyErrorHandler();
ErrorHandler.fatal(error, "Eleventy Fatal Error (CLI)");
}
})();

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{
"name": "@11ty/eleventy",
"version": "3.0.0",
"description": "A simpler static site generator.",
"publishConfig": {
"access": "public",
"provenance": true
},
"type": "module",
"main": "./src/Eleventy.js",
"exports": {
"import": "./src/Eleventy.js",
"require": "./src/EleventyCommonJs.cjs"
},
"bin": {
"eleventy": "cmd.cjs"
},
"license": "MIT",
"engines": {
"node": ">=18"
},
"funding": {
"type": "opencollective",
"url": "https://opencollective.com/11ty"
},
"keywords": [
"static-site-generator",
"static-site",
"ssg",
"documentation",
"website",
"jekyll",
"blog",
"templates",
"generator",
"framework",
"eleventy",
"11ty",
"html",
"markdown",
"liquid",
"nunjucks"
],
"scripts": {
"default": "npm run test",
"test": "npm run test:node && npm run test:ava",
"test:ava": "ava --verbose --timeout 20s",
"test:node": "node --test test_node/tests.js",
"format": "prettier . --write",
"check": "eslint src",
"check-types": "tsc",
"lint-staged": "lint-staged",
"coverage": "npx c8 ava && npx c8 report --reporter=json-summary && cp coverage/coverage-summary.json docs/_data/coverage.json && node cmd.cjs --config=docs/eleventy.coverage.js",
"prepare": "husky"
},
"author": "Zach Leatherman <zachleatherman@gmail.com> (https://zachleat.com/)",
"repository": {
"type": "git",
"url": "git://github.com/11ty/eleventy.git"
},
"bugs": "https://github.com/11ty/eleventy/issues",
"homepage": "https://www.11ty.dev/",
"ava": {
"environmentVariables": {},
"failFast": true,
"files": [
"./test/*.js",
"./test/_issues/**/*test.js"
],
"watchMode": {
"ignoreChanges": [
"./test/stubs*/**/*",
".cache"
]
}
},
"lint-staged": {
"*.{js,css,md}": [
"prettier --write"
]
},
"devDependencies": {
"@11ty/eleventy-img": "5.0.0-beta.10",
"@11ty/eleventy-plugin-rss": "^2.0.2",
"@11ty/eleventy-plugin-syntaxhighlight": "^5.0.0",
"@eslint/eslintrc": "^3.1.0",
"@eslint/js": "^9.11.1",
"@iarna/toml": "^2.2.5",
"@mdx-js/node-loader": "^3.0.1",
"@types/node": "^22.7.4",
"@vue/server-renderer": "^3.5.10",
"@zachleat/noop": "^1.0.4",
"ava": "^6.1.3",
"c8": "^10.1.2",
"cross-env": "^7.0.3",
"eslint": "^9.11.1",
"eslint-config-prettier": "^9.1.0",
"globals": "^15.10.0",
"husky": "^9.1.6",
"lint-staged": "^15.2.10",
"markdown-it-emoji": "^3.0.0",
"marked": "^14.1.2",
"prettier": "^3.3.3",
"pretty": "^2.0.0",
"react": "^18.3.1",
"react-dom": "^18.3.1",
"rimraf": "^6.0.1",
"sass": "^1.79.4",
"tsx": "^4.19.1",
"typescript": "^5.6.2",
"vue": "^3.5.10",
"zod": "^3.23.8",
"zod-validation-error": "^3.4.0"
},
"dependencies": {
"@11ty/dependency-tree": "^3.0.1",
"@11ty/dependency-tree-esm": "^1.0.0",
"@11ty/eleventy-dev-server": "^2.0.4",
"@11ty/eleventy-plugin-bundle": "^3.0.0",
"@11ty/eleventy-utils": "^1.0.3",
"@11ty/lodash-custom": "^4.17.21",
"@11ty/posthtml-urls": "^1.0.0",
"@11ty/recursive-copy": "^3.0.0",
"@sindresorhus/slugify": "^2.2.1",
"bcp-47-normalize": "^2.3.0",
"chardet": "^2.0.0",
"chokidar": "^3.6.0",
"cross-spawn": "^7.0.3",
"debug": "^4.3.7",
"dependency-graph": "^1.0.0",
"entities": "^5.0.0",
"fast-glob": "^3.3.2",
"filesize": "^10.1.6",
"graceful-fs": "^4.2.11",
"gray-matter": "^4.0.3",
"is-glob": "^4.0.3",
"iso-639-1": "^3.1.3",
"js-yaml": "^4.1.0",
"kleur": "^4.1.5",
"liquidjs": "^10.17.0",
"luxon": "^3.5.0",
"markdown-it": "^14.1.0",
"micromatch": "^4.0.8",
"minimist": "^1.2.8",
"moo": "^0.5.2",
"node-retrieve-globals": "^6.0.0",
"normalize-path": "^3.0.0",
"nunjucks": "^3.2.4",
"please-upgrade-node": "^3.2.0",
"posthtml": "^0.16.6",
"posthtml-match-helper": "^2.0.2",
"semver": "^7.6.3",
"slugify": "^1.6.6"
}
}

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import { performance } from "node:perf_hooks";
class Benchmark {
constructor() {
// TypeScript slop
this.timeSpent = 0;
this.timesCalled = 0;
this.beforeTimers = [];
}
reset() {
this.timeSpent = 0;
this.timesCalled = 0;
this.beforeTimers = [];
}
getNewTimestamp() {
if (performance) {
return performance.now();
}
return new Date().getTime();
}
incrementCount() {
this.timesCalled++;
}
// TODO(slightlyoff):
// disable all of these hrtime requests when not benchmarking
before() {
this.timesCalled++;
this.beforeTimers.push(this.getNewTimestamp());
}
after() {
if (!this.beforeTimers.length) {
throw new Error("You called Benchmark after() without a before().");
}
let before = this.beforeTimers.pop();
if (!this.beforeTimers.length) {
this.timeSpent += this.getNewTimestamp() - before;
}
}
getTimesCalled() {
return this.timesCalled;
}
getTotal() {
return this.timeSpent;
}
}
export default Benchmark;

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import debugUtil from "debug";
import ConsoleLogger from "../Util/ConsoleLogger.js";
import isAsyncFunction from "../Util/IsAsyncFunction.js";
import Benchmark from "./Benchmark.js";
const debugBenchmark = debugUtil("Eleventy:Benchmark");
class BenchmarkGroup {
constructor() {
this.benchmarks = {};
// Warning: aggregate benchmarks automatically default to false via BenchmarkManager->getBenchmarkGroup
this.isVerbose = true;
this.logger = new ConsoleLogger();
this.minimumThresholdMs = 50;
this.minimumThresholdPercent = 8;
}
setIsVerbose(isVerbose) {
this.isVerbose = isVerbose;
this.logger.isVerbose = isVerbose;
}
reset() {
for (var type in this.benchmarks) {
this.benchmarks[type].reset();
}
}
// TODO use addAsync everywhere instead
add(type, callback) {
let benchmark = (this.benchmarks[type] = new Benchmark());
/** @this {any} */
let fn = function (...args) {
benchmark.before();
let ret = callback.call(this, ...args);
benchmark.after();
return ret;
};
Object.defineProperty(fn, "__eleventyInternal", {
value: {
type: isAsyncFunction(callback) ? "async" : "sync",
callback,
},
});
return fn;
}
// callback must return a promise
// async addAsync(type, callback) {
// let benchmark = (this.benchmarks[type] = new Benchmark());
// benchmark.before();
// // don’t await here.
// let promise = callback.call(this);
// promise.then(function() {
// benchmark.after();
// });
// return promise;
// }
setMinimumThresholdMs(minimumThresholdMs) {
let val = parseInt(minimumThresholdMs, 10);
if (isNaN(val)) {
throw new Error("`setMinimumThresholdMs` expects a number argument.");
}
this.minimumThresholdMs = val;
}
setMinimumThresholdPercent(minimumThresholdPercent) {
let val = parseInt(minimumThresholdPercent, 10);
if (isNaN(val)) {
throw new Error("`setMinimumThresholdPercent` expects a number argument.");
}
this.minimumThresholdPercent = val;
}
has(type) {
return !!this.benchmarks[type];
}
get(type) {
if (!this.benchmarks[type]) {
this.benchmarks[type] = new Benchmark();
}
return this.benchmarks[type];
}
padNumber(num, length) {
if (("" + num).length >= length) {
return num;
}
let prefix = new Array(length + 1).join(" ");
return (prefix + num).slice(-1 * length);
}
finish(label, totalTimeSpent) {
for (var type in this.benchmarks) {
let bench = this.benchmarks[type];
let isAbsoluteMinimumComparison = this.minimumThresholdMs > 0;
let totalForBenchmark = bench.getTotal();
let percent = Math.round((totalForBenchmark * 100) / totalTimeSpent);
let callCount = bench.getTimesCalled();
let output = {
ms: this.padNumber(totalForBenchmark.toFixed(0), 6),
percent: this.padNumber(percent, 3),
calls: this.padNumber(callCount, 5),
};
let str = `Benchmark ${output.ms}ms ${output.percent}% ${output.calls}× (${label}) ${type}`;
if (
isAbsoluteMinimumComparison &&
totalForBenchmark >= this.minimumThresholdMs &&
percent > this.minimumThresholdPercent
) {
this.logger.warn(str);
}
// Opt out of logging if low count (1× or 2×) or 0ms / 1%
if (
callCount > 1 || // called more than once
Math.round(totalForBenchmark) > 0 // more than 0.5ms
) {
debugBenchmark(str);
}
}
}
}
export default BenchmarkGroup;

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import { performance } from "node:perf_hooks";
import BenchmarkGroup from "./BenchmarkGroup.js";
// TODO this should not be a singleton, it belongs in the config or somewhere on the Eleventy instance.
class BenchmarkManager {
constructor() {
this.benchmarkGroups = {};
this.isVerbose = true;
this.start = this.getNewTimestamp();
}
reset() {
this.start = this.getNewTimestamp();
for (var j in this.benchmarkGroups) {
this.benchmarkGroups[j].reset();
}
}
getNewTimestamp() {
if (performance) {
return performance.now();
}
return new Date().getTime();
}
setVerboseOutput(isVerbose) {
this.isVerbose = !!isVerbose;
}
hasBenchmarkGroup(name) {
return name in this.benchmarkGroups;
}
getBenchmarkGroup(name) {
if (!this.benchmarkGroups[name]) {
this.benchmarkGroups[name] = new BenchmarkGroup();
// Special behavior for aggregate benchmarks
// so they don’t console.log every time
if (name === "Aggregate") {
this.benchmarkGroups[name].setIsVerbose(false);
} else {
this.benchmarkGroups[name].setIsVerbose(this.isVerbose);
}
}
return this.benchmarkGroups[name];
}
getAll() {
return this.benchmarkGroups;
}
get(name) {
if (name) {
return this.getBenchmarkGroup(name);
}
return this.getAll();
}
finish() {
let totalTimeSpentBenchmarking = this.getNewTimestamp() - this.start;
for (var j in this.benchmarkGroups) {
this.benchmarkGroups[j].finish(j, totalTimeSpentBenchmarking);
}
}
}
export default BenchmarkManager;

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import lodash from "@11ty/lodash-custom";
import debugUtil from "debug";
import ComputedDataQueue from "./ComputedDataQueue.js";
import ComputedDataTemplateString from "./ComputedDataTemplateString.js";
import ComputedDataProxy from "./ComputedDataProxy.js";
const { set: lodashSet, get: lodashGet } = lodash;
const debug = debugUtil("Eleventy:ComputedData");
class ComputedData {
constructor(config) {
this.computed = {};
this.symbolParseFunctions = {};
this.templateStringKeyLookup = {};
this.computedKeys = new Set();
this.declaredDependencies = {};
this.queue = new ComputedDataQueue();
this.config = config;
}
add(key, renderFn, declaredDependencies = [], symbolParseFn, templateInstance) {
this.computedKeys.add(key);
this.declaredDependencies[key] = declaredDependencies;
// bind config filters/JS functions
if (typeof renderFn === "function") {
let fns = {};
// TODO bug? no access to non-universal config things?
if (this.config) {
fns = this.config.javascriptFunctions;
}
renderFn = renderFn.bind({
...fns,
tmpl: templateInstance,
});
}
lodashSet(this.computed, key, renderFn);
if (symbolParseFn) {
lodashSet(this.symbolParseFunctions, key, symbolParseFn);
}
}
addTemplateString(key, renderFn, declaredDependencies = [], symbolParseFn, templateInstance) {
this.add(key, renderFn, declaredDependencies, symbolParseFn, templateInstance);
this.templateStringKeyLookup[key] = true;
}
async resolveVarOrder(data) {
let proxyByTemplateString = new ComputedDataTemplateString(this.computedKeys);
let proxyByProxy = new ComputedDataProxy(this.computedKeys);
for (let key of this.computedKeys) {
let computed = lodashGet(this.computed, key);
if (typeof computed !== "function") {
// add nodes for non functions (primitives like booleans, etc)
// This will not handle template strings, as they are normalized to functions
this.queue.addNode(key);
} else {
this.queue.uses(key, this.declaredDependencies[key]);
let symbolParseFn = lodashGet(this.symbolParseFunctions, key);
let varsUsed = [];
if (symbolParseFn) {
// use the parseForSymbols function in the TemplateEngine
varsUsed = symbolParseFn();
} else if (symbolParseFn !== false) {
// skip resolution is this is false (just use declaredDependencies)
let isTemplateString = !!this.templateStringKeyLookup[key];
let proxy = isTemplateString ? proxyByTemplateString : proxyByProxy;
varsUsed = await proxy.findVarsUsed(computed, data);
}
debug("%o accesses %o variables", key, varsUsed);
let filteredVarsUsed = varsUsed.filter((varUsed) => {
return (
(varUsed !== key && this.computedKeys.has(varUsed)) ||
varUsed.startsWith("collections.")
);
});
this.queue.uses(key, filteredVarsUsed);
}
}
}
async _setupDataEntry(data, order) {
debug("Computed data order of execution: %o", order);
for (let key of order) {
let computed = lodashGet(this.computed, key);
if (typeof computed === "function") {
let ret = await computed(data);
lodashSet(data, key, ret);
} else if (computed !== undefined) {
lodashSet(data, key, computed);
}
}
}
async setupData(data, orderFilter) {
await this.resolveVarOrder(data);
await this.processRemainingData(data, orderFilter);
}
async processRemainingData(data, orderFilter) {
// process all variables
let order = this.queue.getOrder();
if (orderFilter && typeof orderFilter === "function") {
order = order.filter(orderFilter.bind(this.queue));
}
await this._setupDataEntry(data, order);
this.queue.markComputed(order);
}
}
export default ComputedData;

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import lodash from "@11ty/lodash-custom";
import { isPlainObject } from "@11ty/eleventy-utils";
const { set: lodashSet, get: lodashGet } = lodash;
/* Calculates computed data using Proxies */
class ComputedDataProxy {
constructor(computedKeys) {
if (Array.isArray(computedKeys)) {
this.computedKeys = new Set(computedKeys);
} else {
this.computedKeys = computedKeys;
}
}
isArrayOrPlainObject(data) {
return Array.isArray(data) || isPlainObject(data);
}
getProxyData(data, keyRef) {
// WARNING: SIDE EFFECTS
// Set defaults for keys not already set on parent data
// TODO should make another effort to get rid of this,
// See the ProxyWrap util for more proxy handlers that will likely fix this
let undefinedValue = "__11TY_UNDEFINED__";
if (this.computedKeys) {
for (let key of this.computedKeys) {
if (lodashGet(data, key, undefinedValue) === undefinedValue) {
lodashSet(data, key, "");
}
}
}
let proxyData = this._getProxyData(data, keyRef);
return proxyData;
}
_getProxyForObject(dataObj, keyRef, parentKey = "") {
return new Proxy(
{},
{
get: (obj, key) => {
if (typeof key !== "string") {
return obj[key];
}
let newKey = `${parentKey ? `${parentKey}.` : ""}${key}`;
// Issue #1137
// Special case for Collections, always return an Array for collection keys
// so they it works fine with Array methods like `filter`, `map`, etc
if (newKey === "collections") {
keyRef.add(newKey);
return new Proxy(
{},
{
get: (target, key) => {
if (typeof key === "string") {
keyRef.add(`collections.${key}`);
return [];
}
return target[key];
},
},
);
}
let newData = this._getProxyData(dataObj[key], keyRef, newKey);
if (!this.isArrayOrPlainObject(newData)) {
keyRef.add(newKey);
}
return newData;
},
},
);
}
_getProxyForArray(dataArr, keyRef, parentKey = "") {
return new Proxy(new Array(dataArr.length), {
get: (obj, key) => {
if (Array.prototype.hasOwnProperty(key)) {
// remove `filter`, `constructor`, `map`, etc
keyRef.add(parentKey);
return obj[key];
}
// Hm, this needs to be better
if (key === "then") {
keyRef.add(parentKey);
return;
}
let newKey = `${parentKey}[${key}]`;
let newData = this._getProxyData(dataArr[key], keyRef, newKey);
if (!this.isArrayOrPlainObject(newData)) {
keyRef.add(newKey);
}
return newData;
},
});
}
_getProxyData(data, keyRef, parentKey = "") {
if (isPlainObject(data)) {
return this._getProxyForObject(data, keyRef, parentKey);
} else if (Array.isArray(data)) {
return this._getProxyForArray(data, keyRef, parentKey);
}
// everything else!
return data;
}
async findVarsUsed(fn, data = {}) {
let keyRef = new Set();
// careful, logging proxyData will mess with test results!
let proxyData = this.getProxyData(data, keyRef);
// squelch console logs for this fake proxy data pass 😅
// let savedLog = console.log;
// console.log = () => {};
await fn(proxyData);
// console.log = savedLog;
return Array.from(keyRef);
}
}
export default ComputedDataProxy;

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node_modules/@11ty/eleventy/src/Data/ComputedDataQueue.js generated vendored Normal file
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import { DepGraph as DependencyGraph } from "dependency-graph";
/* Keeps track of the dependency graph between computed data variables
* Removes keys from the graph when they are computed.
*/
class ComputedDataQueue {
constructor() {
this.graph = new DependencyGraph();
}
getOrder() {
return this.graph.overallOrder();
}
getOrderFor(name) {
return this.graph.dependenciesOf(name);
}
getDependsOn(name) {
return this.graph.dependantsOf(name);
}
isUsesStartsWith(name, prefix) {
if (name.startsWith(prefix)) {
return true;
}
return (
this.graph.dependenciesOf(name).filter((entry) => {
return entry.startsWith(prefix);
}).length > 0
);
}
addNode(name) {
if (!this.graph.hasNode(name)) {
this.graph.addNode(name);
}
}
_uses(graph, name, varsUsed = []) {
if (!graph.hasNode(name)) {
graph.addNode(name);
}
for (let varUsed of varsUsed) {
if (!graph.hasNode(varUsed)) {
graph.addNode(varUsed);
}
graph.addDependency(name, varUsed);
}
}
uses(name, varsUsed = []) {
this._uses(this.graph, name, varsUsed);
}
markComputed(varsComputed = []) {
for (let varComputed of varsComputed) {
this.graph.removeNode(varComputed);
}
}
}
export default ComputedDataQueue;

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node_modules/@11ty/eleventy/src/Data/ComputedDataTemplateString.js generated vendored Normal file
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import lodash from "@11ty/lodash-custom";
import debugUtil from "debug";
const { set: lodashSet } = lodash;
const debug = debugUtil("Eleventy:ComputedDataTemplateString");
/* Calculates computed data in Template Strings.
* Ideally we would use the Proxy approach but it doesn’t work
* in some template languages that visit all available data even if
* it isn’t used in the template (Nunjucks)
*/
class ComputedDataTemplateString {
constructor(computedKeys) {
if (Array.isArray(computedKeys)) {
this.computedKeys = new Set(computedKeys);
} else {
this.computedKeys = computedKeys;
}
// is this ¯\_(lisp)_/¯
// must be strings that won’t be escaped by template languages
this.prefix = "(((11ty(((";
this.suffix = ")))11ty)))";
}
getProxyData() {
let proxyData = {};
// use these special strings as a workaround to check the rendered output
// can’t use proxies here as some template languages trigger proxy for all
// keys in data
for (let key of this.computedKeys) {
// TODO don’t allow to set eleventyComputed.page? other disallowed computed things?
lodashSet(proxyData, key, this.prefix + key + this.suffix);
}
return proxyData;
}
findVarsInOutput(output = "") {
let vars = new Set();
let splits = output.split(this.prefix);
for (let split of splits) {
let varName = split.slice(0, split.indexOf(this.suffix) < 0 ? 0 : split.indexOf(this.suffix));
if (varName) {
vars.add(varName);
}
}
return Array.from(vars);
}
async findVarsUsed(fn) {
let proxyData = this.getProxyData();
let output;
// Mitigation for #1061, errors with filters in the first pass shouldn’t fail the whole thing.
try {
output = await fn(proxyData);
} catch (e) {
debug("Computed Data first pass data resolution error: %o", e);
}
// page.outputPath on serverless urls returns false.
if (typeof output === "string") {
return this.findVarsInOutput(output);
}
return [];
}
}
export default ComputedDataTemplateString;

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