Function getErrorWithComponentStack

src/server/renderToStream/common.ts:93–117

(errorOriginal: unknown, errorInfo?: ErrorInfo)

// - Client counterpart: https://github.com/vikejs/vike-react/blob/80fde437bfab666e5b4a0a30386300363bd99939/packages/vike-react/src/integration/onRenderClient.tsx#L108
type ErrorInfo = { componentStack?: string }
function getErrorWithComponentStack(errorOriginal: unknown, errorInfo?: ErrorInfo) {
  if (!errorInfo?.componentStack || !isObject(errorOriginal)) return errorOriginal
  const errorStackLines = String(errorOriginal.stack).split('\n')

  // Inject the component stack right before the React stack trace (potentially *after* some vike-react or react-streaming strack trace, e.g. if react-streaming's useAsync() throws an error).
  const cutoff = errorStackLines.findIndex((l) => {
    l = toPosixPath(l)
    return l.includes('node_modules/react-dom/') || l.includes('node_modules/react/')
  })
  if (cutoff === -1) return errorOriginal

  const errorStackLinesBegin = errorStackLines.slice(0, cutoff)
  const errorStackLinesEnd = errorStackLines.slice(cutoff)
  const componentStackLines = errorInfo.componentStack.split('\n').filter(Boolean)
  if (componentStackLines[0] === errorStackLinesBegin.at(-1)) componentStackLines.shift()
  const stackEnhanced = [
    //
    ...errorStackLinesBegin,
    ...componentStackLines,
    ...errorStackLinesEnd,
  ].join('\n')

  const errorBetter = getBetterError(errorOriginal, { stack: stackEnhanced })
  return errorBetter
}