[6a3a178] | 1 | /*
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| 2 | MIT License http://www.opensource.org/licenses/mit-license.php
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| 3 | Author Tobias Koppers @sokra
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| 4 | */
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| 5 |
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| 6 | "use strict";
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| 7 |
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| 8 | const makeSerializable = require("../util/makeSerializable");
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| 9 | const HarmonyExportInitFragment = require("./HarmonyExportInitFragment");
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| 10 | const NullDependency = require("./NullDependency");
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| 11 |
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| 12 | /** @typedef {import("webpack-sources").ReplaceSource} ReplaceSource */
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| 13 | /** @typedef {import("../Dependency")} Dependency */
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| 14 | /** @typedef {import("../Dependency").ExportsSpec} ExportsSpec */
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| 15 | /** @typedef {import("../DependencyTemplate").DependencyTemplateContext} DependencyTemplateContext */
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| 16 | /** @typedef {import("../ModuleGraph")} ModuleGraph */
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| 17 | /** @typedef {import("../ModuleGraphConnection").ConnectionState} ConnectionState */
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| 18 |
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| 19 | class HarmonyExportSpecifierDependency extends NullDependency {
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| 20 | constructor(id, name) {
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| 21 | super();
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| 22 | this.id = id;
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| 23 | this.name = name;
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| 24 | }
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| 25 |
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| 26 | get type() {
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| 27 | return "harmony export specifier";
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| 28 | }
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| 29 |
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| 30 | /**
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| 31 | * Returns the exported names
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| 32 | * @param {ModuleGraph} moduleGraph module graph
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| 33 | * @returns {ExportsSpec | undefined} export names
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| 34 | */
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| 35 | getExports(moduleGraph) {
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| 36 | return {
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| 37 | exports: [this.name],
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| 38 | priority: 1,
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| 39 | terminalBinding: true,
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| 40 | dependencies: undefined
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| 41 | };
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| 42 | }
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| 43 |
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| 44 | /**
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| 45 | * @param {ModuleGraph} moduleGraph the module graph
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| 46 | * @returns {ConnectionState} how this dependency connects the module to referencing modules
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| 47 | */
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| 48 | getModuleEvaluationSideEffectsState(moduleGraph) {
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| 49 | return false;
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| 50 | }
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| 51 |
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| 52 | serialize(context) {
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| 53 | const { write } = context;
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| 54 | write(this.id);
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| 55 | write(this.name);
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| 56 | super.serialize(context);
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| 57 | }
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| 58 |
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| 59 | deserialize(context) {
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| 60 | const { read } = context;
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| 61 | this.id = read();
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| 62 | this.name = read();
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| 63 | super.deserialize(context);
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| 64 | }
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| 65 | }
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| 66 |
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| 67 | makeSerializable(
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| 68 | HarmonyExportSpecifierDependency,
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| 69 | "webpack/lib/dependencies/HarmonyExportSpecifierDependency"
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| 70 | );
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| 71 |
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| 72 | HarmonyExportSpecifierDependency.Template = class HarmonyExportSpecifierDependencyTemplate extends (
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| 73 | NullDependency.Template
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| 74 | ) {
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| 75 | /**
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| 76 | * @param {Dependency} dependency the dependency for which the template should be applied
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| 77 | * @param {ReplaceSource} source the current replace source which can be modified
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| 78 | * @param {DependencyTemplateContext} templateContext the context object
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| 79 | * @returns {void}
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| 80 | */
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| 81 | apply(
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| 82 | dependency,
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| 83 | source,
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| 84 | { module, moduleGraph, initFragments, runtime, concatenationScope }
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| 85 | ) {
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| 86 | const dep = /** @type {HarmonyExportSpecifierDependency} */ (dependency);
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| 87 | if (concatenationScope) {
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| 88 | concatenationScope.registerExport(dep.name, dep.id);
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| 89 | return;
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| 90 | }
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| 91 | const used = moduleGraph
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| 92 | .getExportsInfo(module)
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| 93 | .getUsedName(dep.name, runtime);
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| 94 | if (!used) {
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| 95 | const set = new Set();
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| 96 | set.add(dep.name || "namespace");
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| 97 | initFragments.push(
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| 98 | new HarmonyExportInitFragment(module.exportsArgument, undefined, set)
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| 99 | );
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| 100 | return;
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| 101 | }
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| 102 |
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| 103 | const map = new Map();
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| 104 | map.set(used, `/* binding */ ${dep.id}`);
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| 105 | initFragments.push(
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| 106 | new HarmonyExportInitFragment(module.exportsArgument, map, undefined)
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| 107 | );
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| 108 | }
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| 109 | };
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| 110 |
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| 111 | module.exports = HarmonyExportSpecifierDependency;
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