tsup/src/errors.ts

import { isMainThread, parentPort } from 'node:worker_threads'
import * as colors from 'picocolors'

export class PrettyError extends Error {
  constructor(message: string) {
    super(message)
    this.name = this.constructor.name
    if (typeof Error.captureStackTrace === 'function') {
      Error.captureStackTrace(this, this.constructor)
    } else {
      this.stack = new Error(message).stack
    }
  }
}

export function handleError(error: any) {
  if (error.loc) {
    console.error(
      colors.bold(
        colors.red(
          `Error parsing: ${error.loc.file}:${error.loc.line}:${error.loc.column}`,
        ),
      ),
    )
  }
  if (error.frame) {
    console.error(colors.red(error.message))
    console.error(colors.dim(error.frame))
  } else if (error instanceof PrettyError) {
    console.error(colors.red(error.message))
  } else {
    console.error(colors.red(error.stack))
  }
  process.exitCode = 1
  if (!isMainThread && parentPort) {
    parentPort.postMessage('error')
  }
}