chushihua

node_modules/webpack/lib/ExtendedAPIPlugin.js

@@ -0,0 +1,47 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const ConstDependency = require("./dependencies/ConstDependency");
+const ParserHelpers = require("./ParserHelpers");
+const NullFactory = require("./NullFactory");
+
+const REPLACEMENTS = {
+	__webpack_hash__: "__webpack_require__.h", // eslint-disable-line camelcase
+	__webpack_chunkname__: "__webpack_require__.cn" // eslint-disable-line camelcase
+};
+const REPLACEMENT_TYPES = {
+	__webpack_hash__: "string", // eslint-disable-line camelcase
+	__webpack_chunkname__: "string" // eslint-disable-line camelcase
+};
+
+class ExtendedAPIPlugin {
+	apply(compiler) {
+		compiler.plugin("compilation", (compilation, params) => {
+			compilation.dependencyFactories.set(ConstDependency, new NullFactory());
+			compilation.dependencyTemplates.set(ConstDependency, new ConstDependency.Template());
+			compilation.mainTemplate.plugin("require-extensions", function(source, chunk, hash) {
+				const buf = [source];
+				buf.push("");
+				buf.push("// __webpack_hash__");
+				buf.push(`${this.requireFn}.h = ${JSON.stringify(hash)};`);
+				buf.push("");
+				buf.push("// __webpack_chunkname__");
+				buf.push(`${this.requireFn}.cn = ${JSON.stringify(chunk.name)};`);
+				return this.asString(buf);
+			});
+			compilation.mainTemplate.plugin("global-hash", () => true);
+
+			params.normalModuleFactory.plugin("parser", (parser, parserOptions) => {
+				Object.keys(REPLACEMENTS).forEach(key => {
+					parser.plugin(`expression ${key}`, ParserHelpers.toConstantDependency(REPLACEMENTS[key]));
+					parser.plugin(`evaluate typeof ${key}`, ParserHelpers.evaluateToString(REPLACEMENT_TYPES[key]));
+				});
+			});
+		});
+	}
+}
+
+module.exports = ExtendedAPIPlugin;