Function createParseErrorInfo

packages/vite/src/node/plugins/importAnalysis.ts:888–918

(
  importer: string,
  source: string,
)

}

export function createParseErrorInfo(
  importer: string,
  source: string,
): { message: string; showCodeFrame: boolean } {
  const isVue = importer.endsWith('.vue')
  const isJsx = importer.endsWith('.jsx') || importer.endsWith('.tsx')
  const maybeJSX = !isVue && isJSRequest(importer)
  const probablyBinary = source.includes(
    '\ufffd' /* unicode replacement character */,
  )

  const msg = isVue
    ? `Install @vitejs/plugin-vue to handle .vue files.`
    : maybeJSX
      ? isJsx
        ? `If you use tsconfig.json, make sure to not set jsx to preserve.`
        : `If you are using JSX, make sure to name the file with the .jsx or .tsx extension.`
      : `You may need to install appropriate plugins to handle the ${path.extname(
          importer,
        )} file format, or if it's an asset, add "**/*${path.extname(
          importer,
        )}" to \`assetsInclude\` in your configuration.`

  return {
    message:
      `Failed to parse source for import analysis because the content ` +
      `contains invalid JS syntax. ` +
      msg,
    showCodeFrame: !probablyBinary,
  }
}

const interopHelper = (m: any, n: boolean) =>
  n || !m?.__esModule