mirror of https://github.com/webpack/webpack.git
88 lines
2.5 KiB
JavaScript
88 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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JAVASCRIPT_MODULE_TYPE_AUTO,
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JAVASCRIPT_MODULE_TYPE_DYNAMIC,
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JAVASCRIPT_MODULE_TYPE_ESM
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} = require("./ModuleTypeConstants");
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const ConstDependency = require("./dependencies/ConstDependency");
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const ExportsInfoDependency = require("./dependencies/ExportsInfoDependency");
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/** @typedef {import("./Compiler")} Compiler */
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/** @typedef {import("./Dependency").DependencyLocation} DependencyLocation */
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/** @typedef {import("./javascript/JavascriptParser")} JavascriptParser */
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/** @typedef {import("./javascript/JavascriptParser").Range} Range */
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const PLUGIN_NAME = "ExportsInfoApiPlugin";
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class ExportsInfoApiPlugin {
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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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PLUGIN_NAME,
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(compilation, { normalModuleFactory }) => {
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compilation.dependencyTemplates.set(
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ExportsInfoDependency,
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new ExportsInfoDependency.Template()
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);
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/**
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* @param {JavascriptParser} parser the parser
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* @returns {void}
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*/
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const handler = (parser) => {
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parser.hooks.expressionMemberChain
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.for("__webpack_exports_info__")
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.tap(PLUGIN_NAME, (expr, members) => {
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const dep =
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members.length >= 2
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? new ExportsInfoDependency(
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/** @type {Range} */ (expr.range),
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members.slice(0, -1),
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members[members.length - 1]
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)
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: new ExportsInfoDependency(
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/** @type {Range} */ (expr.range),
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null,
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members[0]
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);
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dep.loc = /** @type {DependencyLocation} */ (expr.loc);
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parser.state.module.addDependency(dep);
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return true;
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});
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parser.hooks.expression
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.for("__webpack_exports_info__")
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.tap(PLUGIN_NAME, (expr) => {
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const dep = new ConstDependency(
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"true",
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/** @type {Range} */ (expr.range)
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);
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dep.loc = /** @type {DependencyLocation} */ (expr.loc);
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parser.state.module.addPresentationalDependency(dep);
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return true;
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});
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};
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normalModuleFactory.hooks.parser
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.for(JAVASCRIPT_MODULE_TYPE_AUTO)
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.tap(PLUGIN_NAME, handler);
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normalModuleFactory.hooks.parser
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.for(JAVASCRIPT_MODULE_TYPE_DYNAMIC)
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.tap(PLUGIN_NAME, handler);
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normalModuleFactory.hooks.parser
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.for(JAVASCRIPT_MODULE_TYPE_ESM)
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.tap(PLUGIN_NAME, handler);
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}
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);
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}
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}
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module.exports = ExportsInfoApiPlugin;
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