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- /*
- 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;
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