72 lines
2.0 KiB
JavaScript
72 lines
2.0 KiB
JavaScript
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/*
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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 ExportsInfoDependency = require("./dependencies/ExportsInfoDependency");
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/** @typedef {import("./Compiler")} Compiler */
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/** @typedef {import("./javascript/JavascriptParser")} JavascriptParser */
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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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"ExportsInfoApiPlugin",
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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("ExportsInfoApiPlugin", (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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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(expr.range, null, members[0]);
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dep.loc = 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("ExportsInfoApiPlugin", expr => {
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const dep = new ConstDependency("true", expr.range);
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dep.loc = 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/auto")
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.tap("ExportsInfoApiPlugin", handler);
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normalModuleFactory.hooks.parser
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.for("javascript/dynamic")
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.tap("ExportsInfoApiPlugin", handler);
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normalModuleFactory.hooks.parser
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.for("javascript/esm")
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.tap("ExportsInfoApiPlugin", 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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