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perf: lazy load webpack-virtual-modules

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Kevin Deng 2025-12-03 05:10:48 +08:00
parent 6dd76a50e9
commit daf0a3955b
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1 changed files with 5 additions and 2 deletions
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7
src/webpack/index.ts
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@ -1,9 +1,9 @@
import type { ResolvePluginInstance, Resolver } from 'webpack'
import type VirtualModulesPluginType from 'webpack-virtual-modules'
import type { ResolvedUnpluginOptions, UnpluginContext, UnpluginContextMeta, UnpluginFactory, UnpluginInstance, WebpackCompiler } from '../types'
import fs from 'node:fs'
import { resolve } from 'node:path'
import process from 'node:process'
import VirtualModulesPlugin from 'webpack-virtual-modules'
import { normalizeObjectHook } from '../utils/filter'
import { toArray } from '../utils/general'
import { normalizeAbsolutePath, transformUse } from '../utils/webpack-like'
@ -24,6 +24,9 @@ export function getWebpackPlugin<UserOptions = Record<string, never>>(
factory: UnpluginFactory<UserOptions>,
): UnpluginInstance<UserOptions>['webpack'] {
return (userOptions?: UserOptions) => {
// eslint-disable-next-line ts/no-require-imports
const VirtualModulesPlugin: typeof VirtualModulesPluginType = require('webpack-virtual-modules')
return {
apply(compiler: WebpackCompiler) {
// We need the prefix of virtual modules to be an absolute path so webpack let's us load them (even if it's made up)
@ -51,7 +54,7 @@ export function getWebpackPlugin<UserOptions = Record<string, never>>(
// resolveId hook
if (plugin.resolveId) {
let vfs = compiler.options.plugins.find(i => i instanceof VirtualModulesPlugin) as VirtualModulesPlugin
let vfs = compiler.options.plugins.find(i => i instanceof VirtualModulesPlugin)
if (!vfs) {
vfs = new VirtualModulesPlugin()
compiler.options.plugins.push(vfs)