221 lines
7.0 KiB
JavaScript
221 lines
7.0 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 HotModuleReplacementPlugin = require("../HotModuleReplacementPlugin");
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const ConstDependency = require("./ConstDependency");
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const HarmonyAcceptDependency = require("./HarmonyAcceptDependency");
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const HarmonyAcceptImportDependency = require("./HarmonyAcceptImportDependency");
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const HarmonyExports = require("./HarmonyExports");
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const HarmonyImportSideEffectDependency = require("./HarmonyImportSideEffectDependency");
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const HarmonyImportSpecifierDependency = require("./HarmonyImportSpecifierDependency");
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/** @typedef {import("../optimize/InnerGraphPlugin").InnerGraph} InnerGraph */
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/** @typedef {import("../optimize/InnerGraphPlugin").TopLevelSymbol} TopLevelSymbol */
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/** @typedef {import("./HarmonyImportDependency")} HarmonyImportDependency */
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const harmonySpecifierTag = Symbol("harmony import");
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/**
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* @typedef {Object} HarmonySettings
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* @property {string[]} ids
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* @property {string} source
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* @property {number} sourceOrder
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* @property {string} name
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* @property {boolean} await
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*/
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module.exports = class HarmonyImportDependencyParserPlugin {
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constructor(options) {
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const { module: moduleOptions } = options;
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this.strictExportPresence = moduleOptions.strictExportPresence;
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this.strictThisContextOnImports = moduleOptions.strictThisContextOnImports;
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this.importAwait = options.importAwait;
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}
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apply(parser) {
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parser.hooks.import.tap(
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"HarmonyImportDependencyParserPlugin",
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(statement, source) => {
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parser.state.lastHarmonyImportOrder =
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(parser.state.lastHarmonyImportOrder || 0) + 1;
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const clearDep = new ConstDependency("", statement.range);
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clearDep.loc = statement.loc;
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parser.state.module.addPresentationalDependency(clearDep);
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const sideEffectDep = new HarmonyImportSideEffectDependency(
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source,
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parser.state.lastHarmonyImportOrder
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);
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sideEffectDep.loc = statement.loc;
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sideEffectDep.await = statement.await;
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parser.state.module.addDependency(sideEffectDep);
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if (statement.await && !this.importAwait) {
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throw new Error(
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"Used 'import await' but import-await experiment is not enabled (set experiments.importAwait: true to enable it)"
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);
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}
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return true;
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}
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);
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parser.hooks.importSpecifier.tap(
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"HarmonyImportDependencyParserPlugin",
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(statement, source, id, name) => {
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const ids = id === null ? [] : [id];
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parser.tagVariable(name, harmonySpecifierTag, {
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name,
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source,
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ids,
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sourceOrder: parser.state.lastHarmonyImportOrder,
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await: statement.await
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});
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return true;
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}
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);
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/**
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* @param {HarmonyImportSpecifierDependency} dep dependency
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* @returns {void}
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*/
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const addDepToInnerGraph = dep => {
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const { harmonyAllExportDependentDependencies } = parser.state;
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if (!harmonyAllExportDependentDependencies) return;
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const innerGraph =
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/** @type {InnerGraph} */ (parser.state.harmonyInnerGraph);
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if (!innerGraph) return;
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harmonyAllExportDependentDependencies.add(dep);
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const currentTopLevelSymbol =
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/** @type {TopLevelSymbol} */ (parser.state.currentTopLevelSymbol);
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if (!currentTopLevelSymbol) {
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innerGraph.set(dep, true);
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} else {
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innerGraph.set(dep, new Set([currentTopLevelSymbol]));
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}
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};
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parser.hooks.expression
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.for(harmonySpecifierTag)
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.tap("HarmonyImportDependencyParserPlugin", expr => {
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const settings = /** @type {HarmonySettings} */ (parser.currentTagData);
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const dep = new HarmonyImportSpecifierDependency(
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settings.source,
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settings.sourceOrder,
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settings.ids,
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settings.name,
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expr.range,
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this.strictExportPresence
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);
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dep.shorthand = parser.scope.inShorthand;
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dep.directImport = true;
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dep.asiSafe = !parser.isAsiPosition(expr.range[0]);
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dep.await = settings.await;
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dep.loc = expr.loc;
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parser.state.module.addDependency(dep);
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addDepToInnerGraph(dep);
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return true;
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});
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parser.hooks.expressionMemberChain
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.for(harmonySpecifierTag)
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.tap("HarmonyImportDependencyParserPlugin", (expr, members) => {
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const settings = /** @type {HarmonySettings} */ (parser.currentTagData);
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const ids = settings.ids.concat(members);
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const dep = new HarmonyImportSpecifierDependency(
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settings.source,
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settings.sourceOrder,
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ids,
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settings.name,
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expr.range,
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this.strictExportPresence
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);
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dep.await = settings.await;
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dep.asiSafe = !parser.isAsiPosition(expr.range[0]);
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dep.loc = expr.loc;
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parser.state.module.addDependency(dep);
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addDepToInnerGraph(dep);
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return true;
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});
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parser.hooks.callMemberChain
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.for(harmonySpecifierTag)
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.tap("HarmonyImportDependencyParserPlugin", (expr, members) => {
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const args = expr.arguments;
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expr = expr.callee;
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const settings = /** @type {HarmonySettings} */ (parser.currentTagData);
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const ids = settings.ids.concat(members);
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const dep = new HarmonyImportSpecifierDependency(
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settings.source,
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settings.sourceOrder,
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ids,
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settings.name,
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expr.range,
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this.strictExportPresence
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);
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dep.directImport = members.length === 0;
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dep.await = settings.await;
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dep.call = true;
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dep.asiSafe = !parser.isAsiPosition(expr.range[0]);
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// only in case when we strictly follow the spec we need a special case here
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dep.namespaceObjectAsContext =
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members.length > 0 && this.strictThisContextOnImports;
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dep.loc = expr.loc;
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parser.state.module.addDependency(dep);
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if (args) parser.walkExpressions(args);
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addDepToInnerGraph(dep);
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return true;
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});
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const {
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hotAcceptCallback,
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hotAcceptWithoutCallback
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} = HotModuleReplacementPlugin.getParserHooks(parser);
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hotAcceptCallback.tap(
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"HarmonyImportDependencyParserPlugin",
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(expr, requests) => {
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if (!HarmonyExports.isEnabled(parser.state)) {
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// This is not a harmony module, skip it
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return;
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}
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const dependencies = requests.map(request => {
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const dep = new HarmonyAcceptImportDependency(request);
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dep.loc = expr.loc;
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parser.state.module.addDependency(dep);
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return dep;
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});
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if (dependencies.length > 0) {
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const dep = new HarmonyAcceptDependency(
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expr.range,
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dependencies,
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true
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);
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dep.loc = expr.loc;
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parser.state.module.addDependency(dep);
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}
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}
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);
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hotAcceptWithoutCallback.tap(
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"HarmonyImportDependencyParserPlugin",
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(expr, requests) => {
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if (!HarmonyExports.isEnabled(parser.state)) {
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// This is not a harmony module, skip it
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return;
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}
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const dependencies = requests.map(request => {
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const dep = new HarmonyAcceptImportDependency(request);
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dep.loc = expr.loc;
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parser.state.module.addDependency(dep);
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return dep;
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});
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if (dependencies.length > 0) {
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const dep = new HarmonyAcceptDependency(
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expr.range,
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dependencies,
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false
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);
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dep.loc = expr.loc;
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parser.state.module.addDependency(dep);
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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.harmonySpecifierTag = harmonySpecifierTag;
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