mirror of https://github.com/webpack/webpack.git
45 lines
1.3 KiB
JavaScript
45 lines
1.3 KiB
JavaScript
/*
|
|
MIT License http://www.opensource.org/licenses/mit-license.php
|
|
*/
|
|
|
|
"use strict";
|
|
|
|
const RuntimeModule = require("../RuntimeModule");
|
|
const Template = require("../Template");
|
|
|
|
/** @typedef {import("../Compilation")} Compilation */
|
|
|
|
class ChunkPrefetchFunctionRuntimeModule extends RuntimeModule {
|
|
/**
|
|
* @param {"prefetch" | "preload"} type "prefetch" or "preload" chunk type function
|
|
* @param {string} runtimeFunction the runtime function name
|
|
* @param {string} runtimeHandlers the runtime handlers
|
|
*/
|
|
constructor(type, runtimeFunction, runtimeHandlers) {
|
|
super(`chunk ${type} function`);
|
|
this.runtimeFunction = runtimeFunction;
|
|
this.runtimeHandlers = runtimeHandlers;
|
|
}
|
|
|
|
/**
|
|
* @returns {string | null} runtime code
|
|
*/
|
|
generate() {
|
|
const { runtimeFunction, runtimeHandlers } = this;
|
|
const compilation = /** @type {Compilation} */ (this.compilation);
|
|
const { runtimeTemplate } = compilation;
|
|
return Template.asString([
|
|
`${runtimeHandlers} = {};`,
|
|
`${runtimeFunction} = ${runtimeTemplate.basicFunction("chunkId", [
|
|
// map is shorter than forEach
|
|
`Object.keys(${runtimeHandlers}).map(${runtimeTemplate.basicFunction(
|
|
"key",
|
|
`${runtimeHandlers}[key](chunkId);`
|
|
)});`
|
|
])}`
|
|
]);
|
|
}
|
|
}
|
|
|
|
module.exports = ChunkPrefetchFunctionRuntimeModule;
|