312 lines
8.5 KiB
JavaScript
312 lines
8.5 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 InitFragment = require("./InitFragment");
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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 RuntimeGlobals = require("./RuntimeGlobals");
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const WebpackError = require("./WebpackError");
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const ConstDependency = require("./dependencies/ConstDependency");
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const BasicEvaluatedExpression = require("./javascript/BasicEvaluatedExpression");
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const JavascriptModulesPlugin = require("./javascript/JavascriptModulesPlugin");
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const {
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toConstantDependency,
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evaluateToString
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} = require("./javascript/JavascriptParserHelpers");
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const ChunkNameRuntimeModule = require("./runtime/ChunkNameRuntimeModule");
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const GetFullHashRuntimeModule = require("./runtime/GetFullHashRuntimeModule");
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/** @typedef {import("./Compiler")} Compiler */
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/** @typedef {import("./javascript/JavascriptParser")} JavascriptParser */
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/**
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* @param {boolean} module true if ES module
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* @param {string} importMetaName `import.meta` name
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* @returns {Record<string, {expr: string, req: string[] | null, type?: string, assign: boolean}>} replacements
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*/
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function getReplacements(module, importMetaName) {
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return {
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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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assign: false
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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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assign: true
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},
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__webpack_base_uri__: {
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expr: RuntimeGlobals.baseURI,
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req: [RuntimeGlobals.baseURI],
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type: "string",
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assign: true
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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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assign: false
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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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assign: true
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},
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__non_webpack_require__: {
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expr: module
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? `__WEBPACK_EXTERNAL_createRequire(${importMetaName}.url)`
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: "require",
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req: null,
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type: undefined, // type is not known, depends on environment
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assign: true
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},
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__webpack_nonce__: {
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expr: RuntimeGlobals.scriptNonce,
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req: [RuntimeGlobals.scriptNonce],
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type: "string",
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assign: true
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},
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__webpack_hash__: {
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expr: `${RuntimeGlobals.getFullHash}()`,
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req: [RuntimeGlobals.getFullHash],
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type: "string",
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assign: false
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},
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__webpack_chunkname__: {
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expr: RuntimeGlobals.chunkName,
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req: [RuntimeGlobals.chunkName],
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type: "string",
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assign: false
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},
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__webpack_get_script_filename__: {
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expr: RuntimeGlobals.getChunkScriptFilename,
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req: [RuntimeGlobals.getChunkScriptFilename],
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type: "function",
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assign: true
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},
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__webpack_runtime_id__: {
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expr: RuntimeGlobals.runtimeId,
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req: [RuntimeGlobals.runtimeId],
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assign: false
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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: undefined, // type is not known, could be function or undefined
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assign: true // is never a pattern
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},
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__system_context__: {
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expr: RuntimeGlobals.systemContext,
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req: [RuntimeGlobals.systemContext],
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type: "object",
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assign: false
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},
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__webpack_share_scopes__: {
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expr: RuntimeGlobals.shareScopeMap,
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req: [RuntimeGlobals.shareScopeMap],
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type: "object",
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assign: false
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},
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__webpack_init_sharing__: {
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expr: RuntimeGlobals.initializeSharing,
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req: [RuntimeGlobals.initializeSharing],
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type: "function",
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assign: true
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}
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};
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}
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const PLUGIN_NAME = "APIPlugin";
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/**
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* @typedef {Object} APIPluginOptions
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* @property {boolean} [module] the output filename
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*/
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class APIPlugin {
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/**
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* @param {APIPluginOptions} [options] 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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* 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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const { importMetaName } = compilation.outputOptions;
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const REPLACEMENTS = getReplacements(
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this.options.module,
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importMetaName
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);
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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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compilation.hooks.runtimeRequirementInTree
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.for(RuntimeGlobals.chunkName)
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.tap(PLUGIN_NAME, chunk => {
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compilation.addRuntimeModule(
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chunk,
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new ChunkNameRuntimeModule(chunk.name)
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);
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return true;
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});
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compilation.hooks.runtimeRequirementInTree
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.for(RuntimeGlobals.getFullHash)
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.tap(PLUGIN_NAME, (chunk, set) => {
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compilation.addRuntimeModule(chunk, new GetFullHashRuntimeModule());
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return true;
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});
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const hooks = JavascriptModulesPlugin.getCompilationHooks(compilation);
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hooks.renderModuleContent.tap(
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PLUGIN_NAME,
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(source, module, renderContext) => {
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if (module.buildInfo.needCreateRequire) {
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const chunkInitFragments = [
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new InitFragment(
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'import { createRequire as __WEBPACK_EXTERNAL_createRequire } from "module";\n',
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InitFragment.STAGE_HARMONY_IMPORTS,
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0,
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"external module node-commonjs"
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)
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];
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renderContext.chunkInitFragments.push(...chunkInitFragments);
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}
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return source;
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}
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);
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/**
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* @param {JavascriptParser} parser the parser
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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.for(key).tap(PLUGIN_NAME, expression => {
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const dep = toConstantDependency(parser, info.expr, info.req);
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if (key === "__non_webpack_require__" && this.options.module) {
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parser.state.module.buildInfo.needCreateRequire = true;
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}
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return dep(expression);
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});
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if (info.assign === false) {
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parser.hooks.assign.for(key).tap(PLUGIN_NAME, expr => {
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const err = new WebpackError(`${key} must not be assigned`);
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err.loc = expr.loc;
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throw err;
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});
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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(PLUGIN_NAME, evaluateToString(info.type));
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}
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});
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parser.hooks.expression
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.for("__webpack_layer__")
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.tap(PLUGIN_NAME, expr => {
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const dep = new ConstDependency(
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JSON.stringify(parser.state.module.layer),
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expr.range
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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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return true;
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});
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parser.hooks.evaluateIdentifier
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.for("__webpack_layer__")
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.tap(PLUGIN_NAME, expr =>
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(parser.state.module.layer === null
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? new BasicEvaluatedExpression().setNull()
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: new BasicEvaluatedExpression().setString(
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parser.state.module.layer
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)
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).setRange(expr.range)
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);
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parser.hooks.evaluateTypeof
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.for("__webpack_layer__")
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.tap(PLUGIN_NAME, expr =>
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new BasicEvaluatedExpression()
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.setString(
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parser.state.module.layer === null ? "object" : "string"
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)
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.setRange(expr.range)
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);
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parser.hooks.expression
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.for("__webpack_module__.id")
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.tap(PLUGIN_NAME, expr => {
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parser.state.module.buildInfo.moduleConcatenationBailout =
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"__webpack_module__.id";
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const dep = new ConstDependency(
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parser.state.module.moduleArgument + ".id",
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expr.range,
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[RuntimeGlobals.moduleId]
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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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return true;
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});
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parser.hooks.expression
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.for("__webpack_module__")
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.tap(PLUGIN_NAME, expr => {
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parser.state.module.buildInfo.moduleConcatenationBailout =
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"__webpack_module__";
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const dep = new ConstDependency(
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parser.state.module.moduleArgument,
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expr.range,
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[RuntimeGlobals.module]
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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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return true;
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});
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parser.hooks.evaluateTypeof
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.for("__webpack_module__")
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.tap(PLUGIN_NAME, evaluateToString("object"));
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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 = APIPlugin;
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