211 lines
6.7 KiB
JavaScript
211 lines
6.7 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 InnerGraph = require("../optimize/InnerGraph");
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const ConstDependency = require("./ConstDependency");
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const HarmonyExportExpressionDependency = require("./HarmonyExportExpressionDependency");
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const HarmonyExportHeaderDependency = require("./HarmonyExportHeaderDependency");
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const HarmonyExportImportedSpecifierDependency = require("./HarmonyExportImportedSpecifierDependency");
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const HarmonyExportSpecifierDependency = require("./HarmonyExportSpecifierDependency");
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const { ExportPresenceModes } = require("./HarmonyImportDependency");
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const {
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harmonySpecifierTag,
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getAttributes
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} = require("./HarmonyImportDependencyParserPlugin");
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const HarmonyImportSideEffectDependency = require("./HarmonyImportSideEffectDependency");
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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").FunctionDeclaration} FunctionDeclaration */
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/** @typedef {import("../javascript/JavascriptParser").Range} Range */
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const { HarmonyStarExportsList } = HarmonyExportImportedSpecifierDependency;
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module.exports = class HarmonyExportDependencyParserPlugin {
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/**
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* @param {import("../../declarations/WebpackOptions").JavascriptParserOptions} options options
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*/
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constructor(options) {
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this.exportPresenceMode =
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options.reexportExportsPresence !== undefined
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? ExportPresenceModes.fromUserOption(options.reexportExportsPresence)
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: options.exportsPresence !== undefined
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? ExportPresenceModes.fromUserOption(options.exportsPresence)
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: options.strictExportPresence
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? ExportPresenceModes.ERROR
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: ExportPresenceModes.AUTO;
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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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apply(parser) {
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const { exportPresenceMode } = this;
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parser.hooks.export.tap(
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"HarmonyExportDependencyParserPlugin",
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statement => {
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const dep = new HarmonyExportHeaderDependency(
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/** @type {Range | false} */ (
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statement.declaration && statement.declaration.range
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),
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/** @type {Range} */ (statement.range)
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);
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dep.loc = Object.create(
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/** @type {DependencyLocation} */ (statement.loc)
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);
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dep.loc.index = -1;
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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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parser.hooks.exportImport.tap(
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"HarmonyExportDependencyParserPlugin",
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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(
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"",
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/** @type {Range} */ (statement.range)
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);
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clearDep.loc = /** @type {DependencyLocation} */ (statement.loc);
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clearDep.loc.index = -1;
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parser.state.module.addPresentationalDependency(clearDep);
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const sideEffectDep = new HarmonyImportSideEffectDependency(
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/** @type {string} */ (source),
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parser.state.lastHarmonyImportOrder,
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getAttributes(statement)
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);
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sideEffectDep.loc = Object.create(
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/** @type {DependencyLocation} */ (statement.loc)
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);
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sideEffectDep.loc.index = -1;
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parser.state.current.addDependency(sideEffectDep);
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return true;
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}
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);
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parser.hooks.exportExpression.tap(
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"HarmonyExportDependencyParserPlugin",
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(statement, expr) => {
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const isFunctionDeclaration = expr.type === "FunctionDeclaration";
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const exprRange = /** @type {Range} */ (expr.range);
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const statementRange = /** @type {Range} */ (statement.range);
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const comments = parser.getComments([statementRange[0], exprRange[0]]);
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const dep = new HarmonyExportExpressionDependency(
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exprRange,
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statementRange,
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comments
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.map(c => {
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switch (c.type) {
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case "Block":
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return `/*${c.value}*/`;
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case "Line":
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return `//${c.value}\n`;
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}
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return "";
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})
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.join(""),
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expr.type.endsWith("Declaration") && expr.id
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? expr.id.name
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: isFunctionDeclaration
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? {
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range: [
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exprRange[0],
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expr.params.length > 0
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? /** @type {Range} */ (expr.params[0].range)[0]
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: /** @type {Range} */ (expr.body.range)[0]
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],
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prefix: `${expr.async ? "async " : ""}function${
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expr.generator ? "*" : ""
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} `,
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suffix: `(${expr.params.length > 0 ? "" : ") "}`
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}
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: undefined
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);
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dep.loc = Object.create(
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/** @type {DependencyLocation} */ (statement.loc)
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);
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dep.loc.index = -1;
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parser.state.current.addDependency(dep);
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InnerGraph.addVariableUsage(
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parser,
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expr.type.endsWith("Declaration") && expr.id
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? expr.id.name
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: "*default*",
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"default"
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);
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return true;
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}
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);
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parser.hooks.exportSpecifier.tap(
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"HarmonyExportDependencyParserPlugin",
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(statement, id, name, idx) => {
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const settings = parser.getTagData(id, harmonySpecifierTag);
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let dep;
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const harmonyNamedExports = (parser.state.harmonyNamedExports =
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parser.state.harmonyNamedExports || new Set());
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harmonyNamedExports.add(name);
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InnerGraph.addVariableUsage(parser, id, name);
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if (settings) {
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dep = new HarmonyExportImportedSpecifierDependency(
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settings.source,
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settings.sourceOrder,
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settings.ids,
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name,
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harmonyNamedExports,
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null,
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exportPresenceMode,
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null,
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settings.assertions
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);
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} else {
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dep = new HarmonyExportSpecifierDependency(id, name);
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}
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dep.loc = Object.create(
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/** @type {DependencyLocation} */ (statement.loc)
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);
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dep.loc.index = idx;
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parser.state.current.addDependency(dep);
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return true;
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}
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);
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parser.hooks.exportImportSpecifier.tap(
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"HarmonyExportDependencyParserPlugin",
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(statement, source, id, name, idx) => {
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const harmonyNamedExports = (parser.state.harmonyNamedExports =
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parser.state.harmonyNamedExports || new Set());
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let harmonyStarExports = null;
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if (name) {
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harmonyNamedExports.add(name);
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} else {
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harmonyStarExports = parser.state.harmonyStarExports =
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parser.state.harmonyStarExports || new HarmonyStarExportsList();
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}
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const dep = new HarmonyExportImportedSpecifierDependency(
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/** @type {string} */ (source),
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parser.state.lastHarmonyImportOrder,
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id ? [id] : [],
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name,
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harmonyNamedExports,
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harmonyStarExports && harmonyStarExports.slice(),
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exportPresenceMode,
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harmonyStarExports
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);
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if (harmonyStarExports) {
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harmonyStarExports.push(dep);
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}
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dep.loc = Object.create(
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/** @type {DependencyLocation} */ (statement.loc)
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);
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dep.loc.index = idx;
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parser.state.current.addDependency(dep);
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return true;
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}
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);
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}
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};
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