Function asyncReplace

packages/vite/src/node/utils.ts:346–361

(
  input: string,
  re: RegExp,
  replacer: (match: RegExpExecArray) => string | Promise<string>,
)

}

export async function asyncReplace(
  input: string,
  re: RegExp,
  replacer: (match: RegExpExecArray) => string | Promise<string>,
): Promise<string> {
  let match: RegExpExecArray | null
  let remaining = input
  let rewritten = ''
  while ((match = re.exec(remaining))) {
    rewritten += remaining.slice(0, match.index)
    rewritten += await replacer(match)
    remaining = remaining.slice(match.index + match[0].length)
  }
  rewritten += remaining
  return rewritten
}

export function timeFrom(start: number, subtract = 0): string {
  const time: number | string = performance.now() - start - subtract