55 lines
1.6 KiB
JavaScript
55 lines
1.6 KiB
JavaScript
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/*
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MIT License http://www.opensource.org/licenses/mit-license.php
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*/
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"use strict";
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const RuntimeGlobals = require("../RuntimeGlobals");
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const RuntimeModule = require("../RuntimeModule");
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/** @typedef {import("../Compilation")} Compilation */
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/** @typedef {import("../MainTemplate")} MainTemplate */
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class StartupEntrypointRuntimeModule extends RuntimeModule {
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/**
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* @param {boolean} asyncChunkLoading use async chunk loading
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*/
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constructor(asyncChunkLoading) {
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super("startup entrypoint");
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this.asyncChunkLoading = asyncChunkLoading;
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}
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/**
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* @returns {string | null} runtime code
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*/
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generate() {
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const compilation = /** @type {Compilation} */ (this.compilation);
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const { runtimeTemplate } = compilation;
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return `${
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RuntimeGlobals.startupEntrypoint
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} = ${runtimeTemplate.basicFunction("result, chunkIds, fn", [
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"// arguments: chunkIds, moduleId are deprecated",
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"var moduleId = chunkIds;",
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`if(!fn) chunkIds = result, fn = ${runtimeTemplate.returningFunction(
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`${RuntimeGlobals.require}(${RuntimeGlobals.entryModuleId} = moduleId)`
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)};`,
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...(this.asyncChunkLoading
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? [
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`return Promise.all(chunkIds.map(${RuntimeGlobals.ensureChunk}, ${
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RuntimeGlobals.require
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})).then(${runtimeTemplate.basicFunction("", [
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"var r = fn();",
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"return r === undefined ? result : r;"
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])})`
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]
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: [
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`chunkIds.map(${RuntimeGlobals.ensureChunk}, ${RuntimeGlobals.require})`,
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"var r = fn();",
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"return r === undefined ? result : r;"
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])
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])}`;
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}
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}
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module.exports = StartupEntrypointRuntimeModule;
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