1 files changed, 339 insertions, 0 deletions
diff --git a/node_modules/@11ty/eleventy/src/Engines/Custom.js b/node_modules/@11ty/eleventy/src/Engines/Custom.js
new file mode 100644
index 0000000..17a0da1
--- /dev/null
+++ b/node_modules/@11ty/eleventy/src/Engines/Custom.js
@@ -0,0 +1,339 @@
+import TemplateEngine from "./TemplateEngine.js";
+import getJavaScriptData from "../Util/GetJavaScriptData.js";
+
+export default class CustomEngine extends TemplateEngine {
+	constructor(name, eleventyConfig) {
+		super(name, eleventyConfig);
+
+		this.entry = this.getExtensionMapEntry();
+		this.needsInit = "init" in this.entry && typeof this.entry.init === "function";
+
+		this.setDefaultEngine(undefined);
+	}
+
+	getExtensionMapEntry() {
+		if ("extensionMap" in this.config) {
+			let name = this.name.toLowerCase();
+			// Iterates over only the user config `addExtension` entries
+			for (let entry of this.config.extensionMap) {
+				let entryKey = (entry.aliasKey || entry.key || "").toLowerCase();
+				if (entryKey === name) {
+					return entry;
+				}
+			}
+		}
+
+		throw Error(
+			`Could not find a custom extension for ${this.name}. Did you add it to your config file?`,
+		);
+	}
+
+	setDefaultEngine(defaultEngine) {
+		this._defaultEngine = defaultEngine;
+	}
+
+	get cacheable() {
+		// Enable cacheability for this template
+		if (this.entry?.compileOptions?.cache !== undefined) {
+			return this.entry.compileOptions.cache;
+		} else if (this.needsToReadFileContents()) {
+			return true;
+		} else if (this._defaultEngine?.cacheable !== undefined) {
+			return this._defaultEngine.cacheable;
+		}
+
+		return super.cacheable;
+	}
+
+	async getInstanceFromInputPath(inputPath) {
+		if (
+			"getInstanceFromInputPath" in this.entry &&
+			typeof this.entry.getInstanceFromInputPath === "function"
+		) {
+			// returns Promise
+			return this.entry.getInstanceFromInputPath(inputPath);
+		}
+
+		// aliased upstream type
+		if (
+			this._defaultEngine &&
+			"getInstanceFromInputPath" in this._defaultEngine &&
+			typeof this._defaultEngine.getInstanceFromInputPath === "function"
+		) {
+			// returns Promise
+			return this._defaultEngine.getInstanceFromInputPath(inputPath);
+		}
+
+		return false;
+	}
+
+	/**
+	 * Whether to use the module loader directly
+	 *
+	 * @override
+	 */
+	useJavaScriptImport() {
+		if ("useJavaScriptImport" in this.entry) {
+			return this.entry.useJavaScriptImport;
+		}
+
+		if (
+			this._defaultEngine &&
+			"useJavaScriptImport" in this._defaultEngine &&
+			typeof this._defaultEngine.useJavaScriptImport === "function"
+		) {
+			return this._defaultEngine.useJavaScriptImport();
+		}
+
+		return false;
+	}
+
+	/**
+	 * @override
+	 */
+	needsToReadFileContents() {
+		if ("read" in this.entry) {
+			return this.entry.read;
+		}
+
+		// Handle aliases to `11ty.js` templates, avoid reading files in the alias, see #2279
+		// Here, we are short circuiting fallback to defaultRenderer, does not account for compile
+		// functions that call defaultRenderer explicitly
+		if (this._defaultEngine && "needsToReadFileContents" in this._defaultEngine) {
+			return this._defaultEngine.needsToReadFileContents();
+		}
+
+		return true;
+	}
+
+	// If we init from multiple places, wait for the first init to finish before continuing on.
+	async _runningInit() {
+		if (this.needsInit) {
+			if (!this._initing) {
+				this._initBench = this.benchmarks.aggregate.get(`Engine (${this.name}) Init`);
+				this._initBench.before();
+				this._initing = this.entry.init.bind({
+					config: this.config,
+					bench: this.benchmarks.aggregate,
+				})();
+			}
+			await this._initing;
+			this.needsInit = false;
+
+			if (this._initBench) {
+				this._initBench.after();
+				this._initBench = undefined;
+			}
+		}
+	}
+
+	async getExtraDataFromFile(inputPath) {
+		if (this.entry.getData === false) {
+			return;
+		}
+
+		if (!("getData" in this.entry)) {
+			// Handle aliases to `11ty.js` templates, use upstream default engine data fetch, see #2279
+			if (this._defaultEngine && "getExtraDataFromFile" in this._defaultEngine) {
+				return this._defaultEngine.getExtraDataFromFile(inputPath);
+			}
+
+			return;
+		}
+
+		await this._runningInit();
+
+		if (typeof this.entry.getData === "function") {
+			let dataBench = this.benchmarks.aggregate.get(
+				`Engine (${this.name}) Get Data From File (Function)`,
+			);
+			dataBench.before();
+			let data = this.entry.getData(inputPath);
+			dataBench.after();
+			return data;
+		}
+
+		let keys = new Set();
+		if (this.entry.getData === true) {
+			keys.add("data");
+		} else if (Array.isArray(this.entry.getData)) {
+			for (let key of this.entry.getData) {
+				keys.add(key);
+			}
+		}
+
+		let dataBench = this.benchmarks.aggregate.get(`Engine (${this.name}) Get Data From File`);
+		dataBench.before();
+
+		let inst = await this.getInstanceFromInputPath(inputPath);
+
+		if (inst === false) {
+			dataBench.after();
+
+			return Promise.reject(
+				new Error(
+					`\`getInstanceFromInputPath\` callback missing from '${this.name}' template engine plugin. It is required when \`getData\` is in use. You can set \`getData: false\` to opt-out of this.`,
+				),
+			);
+		}
+
+		// override keys set at the plugin level in the individual template
+		if (inst.eleventyDataKey) {
+			keys = new Set(inst.eleventyDataKey);
+		}
+
+		let mixins;
+		if (this.config) {
+			// Object.assign usage: see TemplateRenderCustomTest.js: `JavaScript functions should not be mutable but not *that* mutable`
+			mixins = Object.assign({}, this.config.javascriptFunctions);
+		}
+
+		let promises = [];
+		for (let key of keys) {
+			promises.push(
+				getJavaScriptData(inst, inputPath, key, {
+					mixins,
+					isObjectRequired: key === "data",
+				}),
+			);
+		}
+
+		let results = await Promise.all(promises);
+		let data = {};
+		for (let result of results) {
+			Object.assign(data, result);
+		}
+		dataBench.after();
+
+		return data;
+	}
+
+	async compile(str, inputPath, ...args) {
+		await this._runningInit();
+		let defaultCompilationFn;
+		if (this._defaultEngine) {
+			defaultCompilationFn = async (data) => {
+				const renderFn = await this._defaultEngine.compile(str, inputPath, ...args);
+				return renderFn(data);
+			};
+		}
+
+		// Fall back to default compiler if the user does not provide their own
+		if (!this.entry.compile) {
+			if (defaultCompilationFn) {
+				return defaultCompilationFn;
+			} else {
+				throw new Error(
+					`Missing \`compile\` property for custom template syntax definition eleventyConfig.addExtension("${this.name}"). This is not necessary when aliasing to an existing template syntax.`,
+				);
+			}
+		}
+
+		// TODO generalize this (look at JavaScript.js)
+		let compiledFn = this.entry.compile.bind({
+			config: this.config,
+			addDependencies: (from, toArray = []) => {
+				this.config.uses.addDependency(from, toArray);
+			},
+			defaultRenderer: defaultCompilationFn, // bind defaultRenderer to compile function
+		})(str, inputPath);
+
+		// Support `undefined` to skip compile/render
+		if (compiledFn) {
+			// Bind defaultRenderer to render function
+			if ("then" in compiledFn && typeof compiledFn.then === "function") {
+				// Promise, wait to bind
+				return compiledFn.then((fn) => {
+					if (typeof fn === "function") {
+						return fn.bind({
+							defaultRenderer: defaultCompilationFn,
+						});
+					}
+					return fn;
+				});
+			} else if ("bind" in compiledFn && typeof compiledFn.bind === "function") {
+				return compiledFn.bind({
+					defaultRenderer: defaultCompilationFn,
+				});
+			}
+		}
+
+		return compiledFn;
+	}
+
+	get defaultTemplateFileExtension() {
+		return this.entry.outputFileExtension ?? "html";
+	}
+
+	// Whether or not to wrap in Eleventy layouts
+	useLayouts() {
+		// TODO future change fallback to `this.defaultTemplateFileExtension === "html"`
+		return this.entry.useLayouts ?? true;
+	}
+
+	hasDependencies(inputPath) {
+		if (this.config.uses.getDependencies(inputPath) === false) {
+			return false;
+		}
+		return true;
+	}
+
+	isFileRelevantTo(inputPath, comparisonFile, includeLayouts) {
+		return this.config.uses.isFileRelevantTo(inputPath, comparisonFile, includeLayouts);
+	}
+
+	getCompileCacheKey(str, inputPath) {
+		let lastModifiedFile = this.eleventyConfig.getPreviousBuildModifiedFile();
+		// Return this separately so we know whether or not to use the cached version
+		// but still return a key to cache this new render for next time
+		let isRelevant = this.isFileRelevantTo(inputPath, lastModifiedFile, false);
+		let useCache = !isRelevant;
+
+		if (this.entry.compileOptions && "getCacheKey" in this.entry.compileOptions) {
+			if (typeof this.entry.compileOptions.getCacheKey !== "function") {
+				throw new Error(
+					`\`compileOptions.getCacheKey\` must be a function in addExtension for the ${this.name} type`,
+				);
+			}
+
+			return {
+				useCache,
+				key: this.entry.compileOptions.getCacheKey(str, inputPath),
+			};
+		}
+
+		let { key } = super.getCompileCacheKey(str, inputPath);
+		return {
+			useCache,
+			key,
+		};
+	}
+
+	permalinkNeedsCompilation(/*str*/) {
+		if (this.entry.compileOptions && "permalink" in this.entry.compileOptions) {
+			let p = this.entry.compileOptions.permalink;
+			if (p === "raw") {
+				return false;
+			}
+
+			// permalink: false is aliased to permalink: () => false
+			if (p === false) {
+				return () => false;
+			}
+
+			return this.entry.compileOptions.permalink;
+		}
+
+		// Breaking: default changed from `true` to `false` in 3.0.0-alpha.13
+		// Note: `false` is the same as "raw" here.
+		return false;
+	}
+
+	static shouldSpiderJavaScriptDependencies(entry) {
+		if (entry.compileOptions && "spiderJavaScriptDependencies" in entry.compileOptions) {
+			return entry.compileOptions.spiderJavaScriptDependencies;
+		}
+
+		return false;
+	}
+}