webpack/lib/web/JsonpChunkTemplatePlugin.js

105 lines
3.3 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");
const getEntryInfo = require("./JsonpHelpers").getEntryInfo;
/** @typedef {import("../Chunk")} Chunk */
/** @typedef {import("../ChunkTemplate")} ChunkTemplate */
/** @typedef {import("../Compilation")} Compilation */
class JsonpChunkTemplatePlugin {
/**
* @param {Compilation} compilation the compilation
*/
constructor(compilation) {
this.compilation = compilation;
}
/**
* @param {ChunkTemplate} chunkTemplate the chunk template
* @returns {void}
*/
apply(chunkTemplate) {
chunkTemplate.hooks.render.tap(
"JsonpChunkTemplatePlugin",
(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(`${JSON.stringify(chunk.id)},`);
source.add(modules);
if (runtimePart) {
source.add(",\n");
source.add(runtimePart);
}
source.add(")");
} else {
const jsonpFunction = chunkTemplate.outputOptions.jsonpFunction;
source.add(
`(${globalObject}[${JSON.stringify(
jsonpFunction
)}] = ${globalObject}[${JSON.stringify(
jsonpFunction
)}] || []).push([`
);
source.add(`${JSON.stringify(chunk.ids)},`);
source.add(modules);
const entries = getEntryInfo(chunkGraph, chunk);
const prefetchChunks = chunk.getChildIdsByOrders(chunkGraph).prefetch;
const entriesPart =
entries.length > 0 && `,${JSON.stringify(entries)}`;
const prefetchPart =
prefetchChunks &&
prefetchChunks.length > 0 &&
`,${JSON.stringify(prefetchChunks)}`;
if (entriesPart || runtimePart || prefetchPart) {
source.add(entriesPart || ",0");
}
if (runtimePart || prefetchPart) {
source.add(",\n");
source.add(runtimePart || "0");
}
if (prefetchPart) {
source.add(prefetchPart);
}
source.add("])");
}
return source;
}
);
chunkTemplate.hooks.hash.tap("JsonpChunkTemplatePlugin", hash => {
hash.update("JsonpChunkTemplatePlugin");
hash.update("5");
hash.update(`${chunkTemplate.outputOptions.jsonpFunction}`);
hash.update(`${chunkTemplate.outputOptions.hotUpdateFunction}`);
hash.update(`${chunkTemplate.outputOptions.globalObject}`);
});
chunkTemplate.hooks.hashForChunk.tap(
"JsonpChunkTemplatePlugin",
(hash, chunk) => {
const chunkGraph = this.compilation.chunkGraph;
hash.update(JSON.stringify(getEntryInfo(chunkGraph, chunk)));
hash.update(
JSON.stringify(chunk.getChildIdsByOrders(chunkGraph).prefetch) || ""
);
}
);
}
}
module.exports = JsonpChunkTemplatePlugin;