mirror of https://github.com/webpack/webpack.git
106 lines
2.5 KiB
JavaScript
106 lines
2.5 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 {
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toConstantDependency,
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evaluateToString
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} = require("./JavascriptParserHelpers");
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const NullFactory = require("./NullFactory");
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const RuntimeGlobals = require("./RuntimeGlobals");
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const ConstDependency = require("./dependencies/ConstDependency");
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/** @typedef {import("./Compiler")} Compiler */
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/* eslint-disable camelcase */
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const REPLACEMENTS = {
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__webpack_require__: {
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expr: RuntimeGlobals.require,
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req: [RuntimeGlobals.require],
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type: "function"
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},
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__webpack_public_path__: {
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expr: RuntimeGlobals.publicPath,
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req: [RuntimeGlobals.publicPath],
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type: "string"
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},
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__webpack_modules__: {
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expr: RuntimeGlobals.moduleFactories,
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req: [RuntimeGlobals.moduleFactories],
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type: "object"
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},
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__webpack_chunk_load__: {
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expr: RuntimeGlobals.ensureChunk,
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req: [RuntimeGlobals.ensureChunk],
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type: "function"
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},
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__non_webpack_require__: {
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expr: "require",
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req: null,
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type: undefined
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},
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__webpack_nonce__: {
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expr: RuntimeGlobals.scriptNonce,
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req: [RuntimeGlobals.scriptNonce],
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type: "string"
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},
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"require.onError": {
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expr: RuntimeGlobals.uncaughtErrorHandler,
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req: [RuntimeGlobals.uncaughtErrorHandler],
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type: "function"
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}
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};
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/* eslint-enable camelcase */
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class APIPlugin {
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/**
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* Apply the plugin
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* @param {Compiler} compiler the compiler instance
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* @returns {void}
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*/
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apply(compiler) {
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compiler.hooks.compilation.tap(
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"APIPlugin",
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(compilation, { normalModuleFactory }) => {
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compilation.dependencyFactories.set(ConstDependency, new NullFactory());
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compilation.dependencyTemplates.set(
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ConstDependency,
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new ConstDependency.Template()
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);
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const handler = parser => {
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Object.keys(REPLACEMENTS).forEach(key => {
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const info = REPLACEMENTS[key];
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parser.hooks.expression
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.for(key)
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.tap(
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"APIPlugin",
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toConstantDependency(parser, info.expr, info.req)
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);
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if (info.type) {
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parser.hooks.evaluateTypeof
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.for(key)
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.tap("APIPlugin", evaluateToString(info.type));
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}
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});
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};
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normalModuleFactory.hooks.parser
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.for("javascript/auto")
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.tap("APIPlugin", handler);
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normalModuleFactory.hooks.parser
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.for("javascript/dynamic")
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.tap("APIPlugin", handler);
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normalModuleFactory.hooks.parser
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.for("javascript/esm")
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.tap("APIPlugin", handler);
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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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