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/*
MIT License http://www.opensource.org/licenses/mit-license.php
*/
"use strict";
const RuntimeModule = require("../RuntimeModule");
const Template = require("../Template");
/** @typedef {import("../Compilation")} Compilation */
/** @typedef {import("../RuntimeTemplate")} RuntimeTemplate */
class ChunkPrefetchFunctionRuntimeModule extends RuntimeModule {
/**
* @param {string} childType TODO
* @param {string} runtimeFunction TODO
* @param {string} runtimeHandlers TODO
*/
constructor(childType, runtimeFunction, runtimeHandlers) {
super(`chunk ${childType} function`);
this.childType = childType;
this.runtimeFunction = runtimeFunction;
this.runtimeHandlers = runtimeHandlers;
}
/**
* @returns {string | null} runtime code
*/
generate() {
const { runtimeFunction, runtimeHandlers } = this;
const compilation = /** @type {Compilation} */ (this.compilation);
const { runtimeTemplate } = compilation;
return Template.asString([
`${runtimeHandlers} = {};`,
`${runtimeFunction} = ${runtimeTemplate.basicFunction("chunkId", [
// map is shorter than forEach
`Object.keys(${runtimeHandlers}).map(${runtimeTemplate.basicFunction(
"key",
`${runtimeHandlers}[key](chunkId);`
)});`
])}`
]);
}
}
module.exports = ChunkPrefetchFunctionRuntimeModule;
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