mirror of https://github.com/webpack/webpack.git
72 lines
1.8 KiB
JavaScript
72 lines
1.8 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 RuntimeGlobals = require("../RuntimeGlobals");
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const ConstDependency = require("../dependencies/ConstDependency");
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/** @typedef {import("../../declarations/WebpackOptions").NodeOptions} NodeOptions */
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/** @typedef {import("../Compiler")} Compiler */
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module.exports = class NodeSourcePlugin {
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/**
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* @param {NodeOptions | false} options plugin options
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*/
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constructor(options) {
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this.options = options;
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}
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/**
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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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const options = this.options;
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if (options === false) {
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// allow single kill switch to turn off this plugin
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return;
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}
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compiler.hooks.compilation.tap(
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"NodeSourcePlugin",
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(compilation, { normalModuleFactory }) => {
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const handler = (parser, parserOptions) => {
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if (parserOptions.node === false) return;
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let localOptions = options;
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if (parserOptions.node) {
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localOptions = { ...localOptions, ...parserOptions.node };
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}
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if (localOptions.global) {
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parser.hooks.expression
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.for("global")
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.tap("NodeSourcePlugin", expr => {
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const dep = new ConstDependency(
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RuntimeGlobals.global,
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expr.range,
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[RuntimeGlobals.global]
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);
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dep.loc = expr.loc;
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parser.state.module.addPresentationalDependency(dep);
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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("NodeSourcePlugin", handler);
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normalModuleFactory.hooks.parser
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.for("javascript/dynamic")
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.tap("NodeSourcePlugin", handler);
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normalModuleFactory.hooks.parser
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.for("javascript/esm")
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.tap("NodeSourcePlugin", handler);
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}
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);
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}
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};
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