mirror of https://github.com/webpack/webpack.git
59 lines
2.1 KiB
JavaScript
59 lines
2.1 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 BasicEvaluatedExpression = require("./BasicEvaluatedExpression");
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const NullFactory = require("./NullFactory");
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const REPLACEMENTS = {
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__webpack_require__: "__webpack_require__", // eslint-disable-line camelcase
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__webpack_public_path__: "__webpack_require__.p", // eslint-disable-line camelcase
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__webpack_modules__: "__webpack_require__.m", // eslint-disable-line camelcase
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__webpack_chunk_load__: "__webpack_require__.e", // eslint-disable-line camelcase
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__non_webpack_require__: "require", // eslint-disable-line camelcase
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__webpack_nonce__: "__webpack_require__.nc", // eslint-disable-line camelcase
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"require.onError": "__webpack_require__.oe" // eslint-disable-line camelcase
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};
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const REPLACEMENT_TYPES = {
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__webpack_public_path__: "string", // eslint-disable-line camelcase
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__webpack_require__: "function", // eslint-disable-line camelcase
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__webpack_modules__: "object", // eslint-disable-line camelcase
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__webpack_chunk_load__: "function", // eslint-disable-line camelcase
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__webpack_nonce__: "string" // eslint-disable-line camelcase
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};
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const IGNORES = [];
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class APIPlugin {
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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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params.normalModuleFactory.plugin("parser", parser => {
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Object.keys(REPLACEMENTS).forEach(key => {
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parser.plugin(`expression ${key}`, expr => {
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const dep = new ConstDependency(REPLACEMENTS[key], expr.range);
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dep.loc = expr.loc;
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parser.state.current.addDependency(dep);
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return true;
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});
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parser.plugin(`evaluate typeof ${key}`, expr => {
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return new BasicEvaluatedExpression().setString(REPLACEMENT_TYPES[key]).setRange(expr.range);
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});
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});
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IGNORES.forEach(key => {
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parser.plugin(key, () => true);
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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 = APIPlugin;
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