Initial commit

node_modules/@11ty/eleventy/src/Util/ProjectTemplateFormats.js

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+import debugUtil from "debug";
+const debug = debugUtil("Eleventy:Util:ProjectTemplateFormats");
+
+class ProjectTemplateFormats {
+	#useAll = {};
+	#raw = {};
+
+	#values = {}; // Set objects
+
+	static union(...sets) {
+		let s = new Set();
+
+		for (let set of sets) {
+			if (!set || typeof set[Symbol.iterator] !== "function") {
+				continue;
+			}
+			for (let v of set) {
+				s.add(v);
+			}
+		}
+
+		return s;
+	}
+
+	#normalize(formats) {
+		if (Array.isArray(formats)) {
+			formats = "" + formats.join(",");
+		}
+
+		if (typeof formats !== "string") {
+			throw new Error(
+				`Invalid formats (expect String, Array) passed to ProjectTemplateFormats->normalize: ${formats}`,
+			);
+		}
+
+		let final = new Set();
+		for (let format of formats.split(",")) {
+			format = format.trim();
+			if (format && format !== "*") {
+				final.add(format);
+			}
+		}
+
+		return final;
+	}
+
+	isWildcard() {
+		return this.#useAll.cli || this.#useAll.config || false;
+	}
+
+	/** @returns {boolean} */
+	#isUseAll(rawFormats) {
+		if (rawFormats === "") {
+			return false;
+		}
+
+		if (typeof rawFormats === "string") {
+			rawFormats = rawFormats.split(",");
+		}
+
+		if (Array.isArray(rawFormats)) {
+			return rawFormats.find((entry) => entry === "*") !== undefined;
+		}
+
+		return false;
+	}
+
+	// 3.x Breaking: "" now means no formats. In 2.x and prior it meant "*"
+	setViaCommandLine(formats) {
+		if (formats === undefined) {
+			return;
+		}
+
+		this.#useAll.cli = this.#isUseAll(formats);
+		this.#raw.cli = formats;
+		this.#values.cli = this.#normalize(formats);
+	}
+
+	// 3.x Breaking: "" now means no formats—in 2.x and prior it meant "*"
+	// 3.x Adds support for comma separated string—in 2.x this required an Array
+	setViaConfig(formats) {
+		if (formats === undefined) {
+			return;
+		}
+
+		// "*" is supported
+		this.#useAll.config = this.#isUseAll(formats);
+		this.#raw.config = formats;
+		this.#values.config = this.#normalize(formats);
+	}
+
+	addViaConfig(formats) {
+		if (!formats) {
+			return;
+		}
+
+		if (this.#isUseAll(formats)) {
+			throw new Error(
+				`\`addTemplateFormats("*")\` is not supported for project template syntaxes.`,
+			);
+		}
+
+		// "*" not supported here
+		this.#raw.configAdd = formats;
+		this.#values.configAdd = this.#normalize(formats);
+	}
+
+	getAllTemplateFormats() {
+		return Array.from(ProjectTemplateFormats.union(this.#values.config, this.#values.configAdd));
+	}
+
+	getTemplateFormats() {
+		if (this.#useAll.cli) {
+			let v = this.getAllTemplateFormats();
+			debug("Using CLI --formats='*': %o", v);
+			return v;
+		}
+
+		if (this.#raw.cli !== undefined) {
+			let v = Array.from(this.#values.cli);
+			debug("Using CLI --formats: %o", v);
+			return v;
+		}
+
+		let v = this.getAllTemplateFormats();
+		debug(
+			"Using configuration `templateFormats`, `setTemplateFormats()`, `addTemplateFormats()`: %o",
+			v,
+		);
+		return v;
+	}
+}
+
+export default ProjectTemplateFormats;