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92 lines
2.7 KiB
92 lines
2.7 KiB
3 years ago
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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 { UsageState } = require("../ExportsInfo");
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const InitFragment = require("../InitFragment");
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const RuntimeGlobals = require("../RuntimeGlobals");
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const makeSerializable = require("../util/makeSerializable");
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const NullDependency = require("./NullDependency");
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/** @typedef {import("webpack-sources").ReplaceSource} ReplaceSource */
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/** @typedef {import("../Dependency")} Dependency */
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/** @typedef {import("../DependencyTemplate").DependencyTemplateContext} DependencyTemplateContext */
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/** @typedef {import("../Module")} Module */
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class HarmonyCompatibilityDependency extends NullDependency {
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get type() {
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return "harmony export header";
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}
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}
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makeSerializable(
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HarmonyCompatibilityDependency,
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"webpack/lib/dependencies/HarmonyCompatibilityDependency"
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);
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HarmonyCompatibilityDependency.Template = class HarmonyExportDependencyTemplate extends (
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NullDependency.Template
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) {
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/**
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* @param {Dependency} dependency the dependency for which the template should be applied
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* @param {ReplaceSource} source the current replace source which can be modified
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* @param {DependencyTemplateContext} templateContext the context object
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* @returns {void}
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*/
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apply(
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dependency,
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source,
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{
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module,
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runtimeTemplate,
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moduleGraph,
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initFragments,
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runtimeRequirements,
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runtime,
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concatenationScope
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}
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) {
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if (concatenationScope) return;
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const exportsInfo = moduleGraph.getExportsInfo(module);
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if (
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exportsInfo.getReadOnlyExportInfo("__esModule").getUsed(runtime) !==
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UsageState.Unused
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) {
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const content = runtimeTemplate.defineEsModuleFlagStatement({
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exportsArgument: module.exportsArgument,
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runtimeRequirements
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});
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initFragments.push(
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new InitFragment(
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content,
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InitFragment.STAGE_HARMONY_EXPORTS,
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0,
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"harmony compatibility"
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)
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);
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}
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if (moduleGraph.isAsync(module)) {
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runtimeRequirements.add(RuntimeGlobals.module);
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runtimeRequirements.add(RuntimeGlobals.asyncModule);
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initFragments.push(
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new InitFragment(
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runtimeTemplate.supportsArrowFunction()
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? `${RuntimeGlobals.asyncModule}(${module.moduleArgument}, async (__webpack_handle_async_dependencies__, __webpack_async_result__) => { try {\n`
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: `${RuntimeGlobals.asyncModule}(${module.moduleArgument}, async function (__webpack_handle_async_dependencies__, __webpack_async_result__) { try {\n`,
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InitFragment.STAGE_ASYNC_BOUNDARY,
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0,
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undefined,
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`\n__webpack_async_result__();\n} catch(e) { __webpack_async_result__(e); } }${
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module.buildMeta.async ? ", 1" : ""
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});`
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)
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);
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}
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}
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};
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module.exports = HarmonyCompatibilityDependency;
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