Function resolveEmptyOutDir

packages/vite/src/node/watch.ts:26–49

(
  emptyOutDir: boolean | null,
  root: string,
  outDirs: Set<string>,
  logger?: Logger,
)

}

export function resolveEmptyOutDir(
  emptyOutDir: boolean | null,
  root: string,
  outDirs: Set<string>,
  logger?: Logger,
): boolean {
  if (emptyOutDir != null) return emptyOutDir

  for (const outDir of outDirs) {
    if (!normalizePath(outDir).startsWith(withTrailingSlash(root))) {
      // warn if outDir is outside of root
      logger?.warn(
        colors.yellow(
          `\n${colors.bold(`(!)`)} outDir ${colors.white(
            colors.dim(outDir),
          )} is not inside project root and will not be emptied.\n` +
            `Use --emptyOutDir to override.\n`,
        ),
      )
      return false
    }
  }
  return true
}

export function resolveChokidarOptions(
  options: WatchOptions | undefined,