forked from zhurui/management
223 lines
6.7 KiB
JavaScript
223 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 { SyncBailHook } = require("tapable");
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const HarmonyImportSideEffectDependency = require("./HarmonyImportSideEffectDependency");
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const HarmonyImportSpecifierDependency = require("./HarmonyImportSpecifierDependency");
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const HarmonyAcceptImportDependency = require("./HarmonyAcceptImportDependency");
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const HarmonyAcceptDependency = require("./HarmonyAcceptDependency");
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const ConstDependency = require("./ConstDependency");
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module.exports = class HarmonyImportDependencyParserPlugin {
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constructor(moduleOptions) {
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this.strictExportPresence = moduleOptions.strictExportPresence;
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this.strictThisContextOnImports = moduleOptions.strictThisContextOnImports;
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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.addDependency(clearDep);
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const sideEffectDep = new HarmonyImportSideEffectDependency(
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source,
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parser.state.module,
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parser.state.lastHarmonyImportOrder,
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parser.state.harmonyParserScope
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);
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sideEffectDep.loc = statement.loc;
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parser.state.module.addDependency(sideEffectDep);
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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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parser.scope.definitions.delete(name);
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parser.scope.renames.set(name, "imported var");
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if (!parser.state.harmonySpecifier) {
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parser.state.harmonySpecifier = new Map();
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}
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parser.state.harmonySpecifier.set(name, {
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source,
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id,
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sourceOrder: parser.state.lastHarmonyImportOrder
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});
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return true;
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}
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);
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parser.hooks.expression
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.for("imported var")
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.tap("HarmonyImportDependencyParserPlugin", expr => {
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const name = expr.name;
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const settings = parser.state.harmonySpecifier.get(name);
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const dep = new HarmonyImportSpecifierDependency(
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settings.source,
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parser.state.module,
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settings.sourceOrder,
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parser.state.harmonyParserScope,
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settings.id,
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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.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.expressionAnyMember
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.for("imported var")
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.tap("HarmonyImportDependencyParserPlugin", expr => {
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const name = expr.object.name;
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const settings = parser.state.harmonySpecifier.get(name);
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if (settings.id !== null) return false;
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const dep = new HarmonyImportSpecifierDependency(
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settings.source,
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parser.state.module,
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settings.sourceOrder,
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parser.state.harmonyParserScope,
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expr.property.name || expr.property.value,
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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 = false;
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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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if (this.strictThisContextOnImports) {
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// only in case when we strictly follow the spec we need a special case here
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parser.hooks.callAnyMember
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.for("imported var")
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.tap("HarmonyImportDependencyParserPlugin", expr => {
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if (expr.callee.type !== "MemberExpression") return;
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if (expr.callee.object.type !== "Identifier") return;
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const name = expr.callee.object.name;
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const settings = parser.state.harmonySpecifier.get(name);
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if (settings.id !== null) return false;
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const dep = new HarmonyImportSpecifierDependency(
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settings.source,
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parser.state.module,
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settings.sourceOrder,
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parser.state.harmonyParserScope,
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expr.callee.property.name || expr.callee.property.value,
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name,
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expr.callee.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 = false;
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dep.namespaceObjectAsContext = true;
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dep.loc = expr.callee.loc;
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parser.state.module.addDependency(dep);
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if (expr.arguments) parser.walkExpressions(expr.arguments);
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return true;
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});
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}
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parser.hooks.call
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.for("imported var")
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.tap("HarmonyImportDependencyParserPlugin", expr => {
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const args = expr.arguments;
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const fullExpr = expr;
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expr = expr.callee;
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if (expr.type !== "Identifier") return;
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const name = expr.name;
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const settings = parser.state.harmonySpecifier.get(name);
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const dep = new HarmonyImportSpecifierDependency(
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settings.source,
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parser.state.module,
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settings.sourceOrder,
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parser.state.harmonyParserScope,
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settings.id,
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name,
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expr.range,
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this.strictExportPresence
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);
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dep.directImport = true;
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dep.callArgs = args;
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dep.call = fullExpr;
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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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return true;
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});
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// TODO webpack 5: refactor this, no custom hooks
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if (!parser.hooks.hotAcceptCallback) {
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parser.hooks.hotAcceptCallback = new SyncBailHook([
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"expression",
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"requests"
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]);
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}
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if (!parser.hooks.hotAcceptWithoutCallback) {
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parser.hooks.hotAcceptWithoutCallback = new SyncBailHook([
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"expression",
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"requests"
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]);
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}
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parser.hooks.hotAcceptCallback.tap(
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"HarmonyImportDependencyParserPlugin",
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(expr, requests) => {
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const harmonyParserScope = parser.state.harmonyParserScope;
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if (!harmonyParserScope) {
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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(
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request,
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parser.state.module,
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harmonyParserScope
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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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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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parser.hooks.hotAcceptWithoutCallback.tap(
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"HarmonyImportDependencyParserPlugin",
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(expr, requests) => {
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const dependencies = requests.map(request => {
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const dep = new HarmonyAcceptImportDependency(
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request,
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parser.state.module,
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parser.state.harmonyParserScope
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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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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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