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