index.ts — vite Source File

Source Code

import path from 'node:path'
import crypto from 'node:crypto'
import { createRequire } from 'node:module'
import { fileURLToPath } from 'node:url'
import { build, normalizePath } from 'vite'
import MagicString from 'magic-string'
import type {
  BuildOptions,
  HtmlTagDescriptor,
  Plugin,
  ResolvedConfig,
  Rollup,
} from 'vite'
import type {
  PluginItem as BabelPlugin,
  types as BabelTypes,
} from '@babel/core'
import colors from 'picocolors'
import browserslist from 'browserslist'
import type { Options } from './types'
import {
  detectModernBrowserCode,
  dynamicFallbackInlineCode,
  legacyEntryId,
  legacyPolyfillId,
  modernChunkLegacyGuard,
  safari10NoModuleFix,
  systemJSInlineCode,
} from './snippets'

// lazy load babel since it's not used during dev
let babel: Promise<typeof import('@babel/core')> | undefined
async function loadBabel() {
  return (babel ??= import('@babel/core'))
}

// The requested module 'browserslist' is a CommonJS module
// which may not support all module.exports as named exports
const { loadConfig: browserslistLoadConfig } = browserslist

// Duplicated from build.ts in Vite Core, at least while the feature is experimental
// We should later expose this helper for other plugins to use
function toOutputFilePathInHtml(
  filename: string,
  type: 'asset' | 'public',
  hostId: string,
  hostType: 'js' | 'css' | 'html',
  config: ResolvedConfig,
  toRelative: (filename: string, importer: string) => string,
): string {
  const { renderBuiltUrl } = config.experimental
  let relative = config.base === '' || config.base === './'
  if (renderBuiltUrl) {
    const result = renderBuiltUrl(filename, {
      hostId,
      hostType,
      type,
      ssr: !!config.build.ssr,
    })
    if (typeof result === 'object') {
// ... (1010 more lines)