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1 files changed, 173 insertions, 0 deletions

diff --git a/node_modules/webpack/lib/TemplatedPathPlugin.js b/node_modules/webpack/lib/TemplatedPathPlugin.js
new file mode 100644
index 00000000..8cd1ef40
--- /dev/null
+++ b/node_modules/webpack/lib/TemplatedPathPlugin.js
@@ -0,0 +1,173 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Jason Anderson @diurnalist
+*/
+"use strict";
+
+const REGEXP_HASH = /\[hash(?::(\d+))?\]/gi,
+	REGEXP_CHUNKHASH = /\[chunkhash(?::(\d+))?\]/gi,
+	REGEXP_MODULEHASH = /\[modulehash(?::(\d+))?\]/gi,
+	REGEXP_CONTENTHASH = /\[contenthash(?::(\d+))?\]/gi,
+	REGEXP_NAME = /\[name\]/gi,
+	REGEXP_ID = /\[id\]/gi,
+	REGEXP_MODULEID = /\[moduleid\]/gi,
+	REGEXP_FILE = /\[file\]/gi,
+	REGEXP_QUERY = /\[query\]/gi,
+	REGEXP_FILEBASE = /\[filebase\]/gi;
+
+// Using global RegExp for .test is dangerous
+// We use a normal RegExp instead of .test
+const REGEXP_HASH_FOR_TEST = new RegExp(REGEXP_HASH.source, "i"),
+	REGEXP_CHUNKHASH_FOR_TEST = new RegExp(REGEXP_CHUNKHASH.source, "i"),
+	REGEXP_CONTENTHASH_FOR_TEST = new RegExp(REGEXP_CONTENTHASH.source, "i"),
+	REGEXP_NAME_FOR_TEST = new RegExp(REGEXP_NAME.source, "i");
+
+const withHashLength = (replacer, handlerFn) => {
+	const fn = (match, hashLength, ...args) => {
+		const length = hashLength && parseInt(hashLength, 10);
+		if (length && handlerFn) {
+			return handlerFn(length);
+		}
+		const hash = replacer(match, hashLength, ...args);
+		return length ? hash.slice(0, length) : hash;
+	};
+	return fn;
+};
+
+const getReplacer = (value, allowEmpty) => {
+	const fn = (match, ...args) => {
+		// last argument in replacer is the entire input string
+		const input = args[args.length - 1];
+		if (value === null || value === undefined) {
+			if (!allowEmpty) {
+				throw new Error(
+					`Path variable ${match} not implemented in this context: ${input}`
+				);
+			}
+			return "";
+		} else {
+			return `${value}`;
+		}
+	};
+	return fn;
+};
+
+const replacePathVariables = (path, data) => {
+	const chunk = data.chunk;
+	const chunkId = chunk && chunk.id;
+	const chunkName = chunk && (chunk.name || chunk.id);
+	const chunkHash = chunk && (chunk.renderedHash || chunk.hash);
+	const chunkHashWithLength = chunk && chunk.hashWithLength;
+	const contentHashType = data.contentHashType;
+	const contentHash =
+		(chunk && chunk.contentHash && chunk.contentHash[contentHashType]) ||
+		data.contentHash;
+	const contentHashWithLength =
+		(chunk &&
+			chunk.contentHashWithLength &&
+			chunk.contentHashWithLength[contentHashType]) ||
+		data.contentHashWithLength;
+	const module = data.module;
+	const moduleId = module && module.id;
+	const moduleHash = module && (module.renderedHash || module.hash);
+	const moduleHashWithLength = module && module.hashWithLength;
+
+	if (typeof path === "function") {
+		path = path(data);
+	}
+
+	if (
+		data.noChunkHash &&
+		(REGEXP_CHUNKHASH_FOR_TEST.test(path) ||
+			REGEXP_CONTENTHASH_FOR_TEST.test(path))
+	) {
+		throw new Error(
+			`Cannot use [chunkhash] or [contenthash] for chunk in '${path}' (use [hash] instead)`
+		);
+	}
+
+	return (
+		path
+			.replace(
+				REGEXP_HASH,
+				withHashLength(getReplacer(data.hash), data.hashWithLength)
+			)
+			.replace(
+				REGEXP_CHUNKHASH,
+				withHashLength(getReplacer(chunkHash), chunkHashWithLength)
+			)
+			.replace(
+				REGEXP_CONTENTHASH,
+				withHashLength(getReplacer(contentHash), contentHashWithLength)
+			)
+			.replace(
+				REGEXP_MODULEHASH,
+				withHashLength(getReplacer(moduleHash), moduleHashWithLength)
+			)
+			.replace(REGEXP_ID, getReplacer(chunkId))
+			.replace(REGEXP_MODULEID, getReplacer(moduleId))
+			.replace(REGEXP_NAME, getReplacer(chunkName))
+			.replace(REGEXP_FILE, getReplacer(data.filename))
+			.replace(REGEXP_FILEBASE, getReplacer(data.basename))
+			// query is optional, it's OK if it's in a path but there's nothing to replace it with
+			.replace(REGEXP_QUERY, getReplacer(data.query, true))
+	);
+};
+
+class TemplatedPathPlugin {
+	apply(compiler) {
+		compiler.hooks.compilation.tap("TemplatedPathPlugin", compilation => {
+			const mainTemplate = compilation.mainTemplate;
+
+			mainTemplate.hooks.assetPath.tap(
+				"TemplatedPathPlugin",
+				replacePathVariables
+			);
+
+			mainTemplate.hooks.globalHash.tap(
+				"TemplatedPathPlugin",
+				(chunk, paths) => {
+					const outputOptions = mainTemplate.outputOptions;
+					const publicPath = outputOptions.publicPath || "";
+					const filename = outputOptions.filename || "";
+					const chunkFilename =
+						outputOptions.chunkFilename || outputOptions.filename;
+					if (
+						REGEXP_HASH_FOR_TEST.test(publicPath) ||
+						REGEXP_CHUNKHASH_FOR_TEST.test(publicPath) ||
+						REGEXP_CONTENTHASH_FOR_TEST.test(publicPath) ||
+						REGEXP_NAME_FOR_TEST.test(publicPath)
+					)
+						return true;
+					if (REGEXP_HASH_FOR_TEST.test(filename)) return true;
+					if (REGEXP_HASH_FOR_TEST.test(chunkFilename)) return true;
+					if (REGEXP_HASH_FOR_TEST.test(paths.join("|"))) return true;
+				}
+			);
+
+			mainTemplate.hooks.hashForChunk.tap(
+				"TemplatedPathPlugin",
+				(hash, chunk) => {
+					const outputOptions = mainTemplate.outputOptions;
+					const chunkFilename =
+						outputOptions.chunkFilename || outputOptions.filename;
+					if (REGEXP_CHUNKHASH_FOR_TEST.test(chunkFilename)) {
+						hash.update(JSON.stringify(chunk.getChunkMaps(true).hash));
+					}
+					if (REGEXP_CONTENTHASH_FOR_TEST.test(chunkFilename)) {
+						hash.update(
+							JSON.stringify(
+								chunk.getChunkMaps(true).contentHash.javascript || {}
+							)
+						);
+					}
+					if (REGEXP_NAME_FOR_TEST.test(chunkFilename)) {
+						hash.update(JSON.stringify(chunk.getChunkMaps(true).name));
+					}
+				}
+			);
+		});
+	}
+}
+
+module.exports = TemplatedPathPlugin;