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