mirror of https://github.com/webpack/webpack.git
113 lines
3.1 KiB
JavaScript
113 lines
3.1 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 { runtimeToString, RuntimeSpecMap } = require("./util/runtime");
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/** @typedef {import("webpack-sources").Source} Source */
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/** @typedef {import("./Module")} Module */
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/** @typedef {import("./Module").CodeGenerationResult} CodeGenerationResult */
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/** @typedef {import("./util/runtime").RuntimeSpec} RuntimeSpec */
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class CodeGenerationResults {
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constructor() {
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/** @type {Map<Module, RuntimeSpecMap<CodeGenerationResult>>} */
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this.map = new Map();
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}
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/**
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* @param {Module} module the module
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* @param {RuntimeSpec} runtime runtime(s)
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* @returns {CodeGenerationResult} the CodeGenerationResult
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*/
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get(module, runtime) {
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const entry = this.map.get(module);
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if (entry === undefined) {
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throw new Error(
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`No code generation entry for ${module.identifier()} (existing entries: ${Array.from(
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this.map.keys(),
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m => m.identifier()
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).join(", ")})`
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);
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}
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if (runtime === undefined) {
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const results = new Set(entry.values());
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if (results.size !== 1) {
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throw new Error(
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`No unique code generation entry for unspecified runtime for ${module.identifier()} (existing runtimes: ${Array.from(
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entry.keys(),
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r => runtimeToString(r)
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).join(", ")}).
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Caller might not support runtime-dependent code generation (opt-out via optimization.usedExports: "global").`
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);
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}
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return results.values().next().value;
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} else {
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const result = entry.get(runtime);
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if (result === undefined) {
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throw new Error(
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`No code generation entry for runtime ${runtimeToString(
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runtime
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)} for ${module.identifier()} (existing runtimes: ${Array.from(
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entry.keys(),
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r => runtimeToString(r)
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).join(", ")})`
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);
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}
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return result;
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}
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}
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/**
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* @param {Module} module the module
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* @param {RuntimeSpec} runtime runtime(s)
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* @param {string} sourceType the source type
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* @returns {Source} a source
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*/
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getSource(module, runtime, sourceType) {
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return this.get(module, runtime).sources.get(sourceType);
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}
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/**
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* @param {Module} module the module
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* @param {RuntimeSpec} runtime runtime(s)
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* @returns {ReadonlySet<string>} runtime requirements
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*/
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getRuntimeRequirements(module, runtime) {
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return this.get(module, runtime).runtimeRequirements;
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}
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/**
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* @param {Module} module the module
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* @param {RuntimeSpec} runtime runtime(s)
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* @param {string} key data key
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* @returns {any} data generated by code generation
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*/
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getData(module, runtime, key) {
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const data = this.get(module, runtime).data;
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return data === undefined ? undefined : data.get(key);
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}
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/**
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* @param {Module} module the module
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* @param {RuntimeSpec} runtime runtime(s)
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* @param {CodeGenerationResult} result result from module
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* @returns {void}
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*/
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add(module, runtime, result) {
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const map = this.map.get(module);
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if (map !== undefined) {
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map.set(runtime, result);
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} else {
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const newMap = new RuntimeSpecMap();
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newMap.set(runtime, result);
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this.map.set(module, newMap);
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}
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}
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}
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module.exports = CodeGenerationResults;
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