Function addInlineModule

packages/vite/src/node/server/middlewares/indexHtml.ts:245–280

(
    node: DefaultTreeAdapterMap['element'],
    ext: 'js',
  )

  const inlineModulePaths: string[] = []

  const addInlineModule = (
    node: DefaultTreeAdapterMap['element'],
    ext: 'js',
  ) => {
    inlineModuleIndex++

    const contentNode = node.childNodes[0] as DefaultTreeAdapterMap['textNode']

    const code = contentNode.value

    let map: SourceMapInput | undefined
    if (proxyModulePath[0] !== '\0') {
      map = new MagicString(html)
        .snip(
          contentNode.sourceCodeLocation!.startOffset,
          contentNode.sourceCodeLocation!.endOffset,
        )
        .generateMap({ hires: 'boundary' })
      map.sources = [filename]
      map.file = filename
    }

    // add HTML Proxy to Map
    addToHTMLProxyCache(config, proxyCacheUrl, inlineModuleIndex, { code, map })

    // inline js module. convert to src="proxy" (dev only, base is never relative)
    const modulePath = `${proxyModuleUrl}?html-proxy&index=${inlineModuleIndex}.${ext}`
    inlineModulePaths.push(modulePath)

    s.update(
      node.sourceCodeLocation!.startOffset,
      node.sourceCodeLocation!.endOffset,
      `<script type="module" src="${modulePath}"></script>`,
    )
    preTransformRequest(server!, modulePath, decodedBase)
  }

  await traverseHtml(html, filename, config.logger.warn, (node) => {
    if (!nodeIsElement(node)) {