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- /*
- MIT License http://www.opensource.org/licenses/mit-license.php
- Author Tobias Koppers @sokra
- */
- "use strict";
- var ModuleDependency = require("./ModuleDependency");
-
- class HarmonyImportDependency extends ModuleDependency {
- constructor(request, importedVar, range) {
- super(request);
- this.range = range;
- this.importedVar = importedVar;
- }
-
- get type() {
- return "harmony import";
- }
-
- getReference() {
- if(!this.module) return null;
-
- return {
- module: this.module,
- importedNames: false
- };
- }
-
- updateHash(hash) {
- super.updateHash(hash);
- hash.update((this.module && (!this.module.meta || this.module.meta.harmonyModule)) + "");
- }
- }
-
- HarmonyImportDependency.Template = class HarmonyImportDependencyTemplate {
- apply(dep, source, outputOptions, requestShortener) {
- const content = makeImportStatement(true, dep, outputOptions, requestShortener);
- source.replace(dep.range[0], dep.range[1] - 1, "");
- source.insert(-1, content);
- }
- };
-
- function getOptionalComment(pathinfo, shortenedRequest) {
- if(!pathinfo) {
- return "";
- }
- return `/*! ${shortenedRequest} */ `;
- }
-
- function makeImportStatement(declare, dep, outputOptions, requestShortener) {
- const comment = getOptionalComment(outputOptions.pathinfo, requestShortener.shorten(dep.request));
- const declaration = declare ? "var " : "";
- const newline = declare ? "\n" : " ";
-
- if(!dep.module) {
- const stringifiedError = JSON.stringify(`Cannot find module "${dep.request}"`);
- return `throw new Error(${stringifiedError});${newline}`;
- }
-
- if(dep.importedVar) {
- const isHarmonyModule = dep.module.meta && dep.module.meta.harmonyModule;
- const content = `/* harmony import */ ${declaration}${dep.importedVar} = __webpack_require__(${comment}${JSON.stringify(dep.module.id)});${newline}`;
- if(isHarmonyModule) {
- return content;
- }
- return `${content}/* harmony import */ ${declaration}${dep.importedVar}_default = __webpack_require__.n(${dep.importedVar});${newline}`;
- }
-
- return "";
- }
- HarmonyImportDependency.makeImportStatement = makeImportStatement;
-
- module.exports = HarmonyImportDependency;
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