Function parseErrorStacktrace

packages/utils/src/source-map.ts:307–344

(
  e: TestError | Error,
  options: StackTraceParserOptions = {},
)

}

export function parseErrorStacktrace(
  e: TestError | Error,
  options: StackTraceParserOptions = {},
): ParsedStack[] {
  if (!e || isPrimitive(e)) {
    return []
  }

  if ('stacks' in e && e.stacks) {
    return e.stacks
  }

  const stackStr = e.stack || ''
  // if "stack" property was overwritten at runtime to be something else,
  // ignore the value because we don't know how to process it
  let stackFrames = typeof stackStr === 'string'
    ? parseStacktrace(stackStr, options)
    : []

  if (!stackFrames.length) {
    const e_ = e as any
    if (e_.fileName != null && e_.lineNumber != null && e_.columnNumber != null) {
      stackFrames = parseStacktrace(`${e_.fileName}:${e_.lineNumber}:${e_.columnNumber}`, options)
    }
    if (e_.sourceURL != null && e_.line != null && e_._column != null) {
      stackFrames = parseStacktrace(`${e_.sourceURL}:${e_.line}:${e_.column}`, options)
    }
  }

  if (options.frameFilter) {
    stackFrames = stackFrames.filter(
      f => options.frameFilter!(e as TestError, f) !== false,
    )
  }

  ;(e as TestError).stacks = stackFrames
  return stackFrames
}

interface SourceMapLike {
  version: number