webpack/lib/webworker/WebWorkerChunkTemplatePlugi...

73 lines
2.2 KiB
JavaScript

/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
"use strict";
const { ConcatSource } = require("webpack-sources");
const HotUpdateChunk = require("../HotUpdateChunk");
const Template = require("../Template");
/** @typedef {import("../ChunkTemplate")} ChunkTemplate */
/** @typedef {import("../Compilation")} Compilation */
class WebWorkerChunkTemplatePlugin {
/**
* @param {Compilation} compilation the compilation
*/
constructor(compilation) {
this.compilation = compilation;
}
/**
* @param {ChunkTemplate} chunkTemplate the chunk template
* @returns {void}
*/
apply(chunkTemplate) {
chunkTemplate.hooks.render.tap(
"WebWorkerChunkTemplatePlugin",
(modules, moduleTemplate, renderContext) => {
const { chunk, chunkGraph } = renderContext;
const hotUpdateChunk = chunk instanceof HotUpdateChunk ? chunk : null;
const globalObject = chunkTemplate.outputOptions.globalObject;
const source = new ConcatSource();
const runtimeModules = chunkGraph.getChunkRuntimeModulesInOrder(chunk);
const runtimePart =
runtimeModules.length > 0 &&
Template.renderChunkRuntimeModules(runtimeModules, renderContext);
if (hotUpdateChunk) {
const jsonpFunction = chunkTemplate.outputOptions.hotUpdateFunction;
source.add(`${globalObject}[${JSON.stringify(jsonpFunction)}](`);
source.add(modules);
if (runtimePart) {
source.add(",\n");
source.add(runtimePart);
}
source.add(")");
} else {
const chunkCallbackName =
chunkTemplate.outputOptions.chunkCallbackName;
source.add(`${globalObject}[${JSON.stringify(chunkCallbackName)}](`);
source.add(`${JSON.stringify(chunk.ids)},`);
source.add(modules);
if (runtimePart) {
source.add(",\n");
source.add(runtimePart);
}
source.add(")");
}
return source;
}
);
chunkTemplate.hooks.hash.tap("WebWorkerChunkTemplatePlugin", hash => {
hash.update("webworker");
hash.update("4");
hash.update(`${chunkTemplate.outputOptions.chunkCallbackName}`);
hash.update(`${chunkTemplate.outputOptions.hotUpdateFunction}`);
hash.update(`${chunkTemplate.outputOptions.globalObject}`);
});
}
}
module.exports = WebWorkerChunkTemplatePlugin;