first commit

This commit is contained in:
monjack
2025-06-20 18:01:48 +08:00
commit 6daa6d65c1
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/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
"use strict";
const InitFragment = require("../InitFragment");
const RuntimeGlobals = require("../RuntimeGlobals");
const Template = require("../Template");
/** @typedef {import("webpack-sources").Source} Source */
/** @typedef {import("../Generator").GenerateContext} GenerateContext */
/**
* @extends {InitFragment<GenerateContext>}
*/
class AwaitDependenciesInitFragment extends InitFragment {
/**
* @param {Set<string>} promises the promises that should be awaited
*/
constructor(promises) {
super(
undefined,
InitFragment.STAGE_ASYNC_DEPENDENCIES,
0,
"await-dependencies"
);
this.promises = promises;
}
/**
* @param {AwaitDependenciesInitFragment} other other AwaitDependenciesInitFragment
* @returns {AwaitDependenciesInitFragment} AwaitDependenciesInitFragment
*/
merge(other) {
const promises = new Set(other.promises);
for (const p of this.promises) {
promises.add(p);
}
return new AwaitDependenciesInitFragment(promises);
}
/**
* @param {GenerateContext} context context
* @returns {string | Source | undefined} the source code that will be included as initialization code
*/
getContent({ runtimeRequirements }) {
runtimeRequirements.add(RuntimeGlobals.module);
const promises = this.promises;
if (promises.size === 0) {
return "";
}
if (promises.size === 1) {
const [p] = promises;
return Template.asString([
`var __webpack_async_dependencies__ = __webpack_handle_async_dependencies__([${p}]);`,
`${p} = (__webpack_async_dependencies__.then ? (await __webpack_async_dependencies__)() : __webpack_async_dependencies__)[0];`,
""
]);
}
const sepPromises = Array.from(promises).join(", ");
// TODO check if destructuring is supported
return Template.asString([
`var __webpack_async_dependencies__ = __webpack_handle_async_dependencies__([${sepPromises}]);`,
`([${sepPromises}] = __webpack_async_dependencies__.then ? (await __webpack_async_dependencies__)() : __webpack_async_dependencies__);`,
""
]);
}
}
module.exports = AwaitDependenciesInitFragment;

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/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
"use strict";
const HarmonyImportDependency = require("../dependencies/HarmonyImportDependency");
/** @typedef {import("../Compiler")} Compiler */
/** @typedef {import("../Module")} Module */
const PLUGIN_NAME = "InferAsyncModulesPlugin";
class InferAsyncModulesPlugin {
/**
* Apply the plugin
* @param {Compiler} compiler the compiler instance
* @returns {void}
*/
apply(compiler) {
compiler.hooks.compilation.tap(PLUGIN_NAME, compilation => {
const { moduleGraph } = compilation;
compilation.hooks.finishModules.tap(PLUGIN_NAME, modules => {
/** @type {Set<Module>} */
const queue = new Set();
for (const module of modules) {
if (module.buildMeta && module.buildMeta.async) {
queue.add(module);
}
}
for (const module of queue) {
moduleGraph.setAsync(module);
for (const [
originModule,
connections
] of moduleGraph.getIncomingConnectionsByOriginModule(module)) {
if (
connections.some(
c =>
c.dependency instanceof HarmonyImportDependency &&
c.isTargetActive(undefined)
)
) {
queue.add(/** @type {Module} */ (originModule));
}
}
}
});
});
}
}
module.exports = InferAsyncModulesPlugin;