mirror of https://github.com/webpack/webpack.git
57 lines
2.2 KiB
JavaScript
57 lines
2.2 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 Template = require("./Template");
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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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__webpack_chunkname__: "__webpack_require__.cn" // 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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__webpack_chunkname__: "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.hooks.compilation.tap("ExtendedAPIPlugin", (compilation, {
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normalModuleFactory
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}) => {
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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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const mainTemplate = compilation.mainTemplate;
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mainTemplate.hooks.requireExtensions.tap("ExtendedAPIPlugin", (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(`${mainTemplate.requireFn}.h = ${JSON.stringify(hash)};`);
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buf.push("");
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buf.push("// __webpack_chunkname__");
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buf.push(`${mainTemplate.requireFn}.cn = ${JSON.stringify(chunk.name)};`);
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return Template.asString(buf);
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});
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mainTemplate.hooks.globalHash.tap("ExtendedAPIPlugin", () => true);
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const handler = (parser, parserOptions) => {
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Object.keys(REPLACEMENTS).forEach(key => {
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parser.hooks.expression.for(key).tap("ExtendedAPIPlugin", ParserHelpers.toConstantDependencyWithWebpackRequire(parser, REPLACEMENTS[key]));
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parser.hooks.evaluateTypeof.for(key).tap("ExtendedAPIPlugin", ParserHelpers.evaluateToString(REPLACEMENT_TYPES[key]));
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});
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};
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normalModuleFactory.hooks.parser.for("javascript/auto").tap("ExtendedAPIPlugin", handler);
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normalModuleFactory.hooks.parser.for("javascript/dynamic").tap("ExtendedAPIPlugin", handler);
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normalModuleFactory.hooks.parser.for("javascript/esm").tap("ExtendedAPIPlugin", handler);
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});
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}
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}
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module.exports = ExtendedAPIPlugin;
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