Function copyAssets

packages/capnweb-validate/src/transform/run.ts:221–260

(
  assets: Set<string>,
  cwd: string,
  out: string,
  written: Set<string>
)

}

async function copyAssets(
  assets: Set<string>,
  cwd: string,
  out: string,
  written: Set<string>
): Promise<number> {
  let copied = 0;
  let realCwd = await realpath(cwd);
  let realOut = await realpath(out).catch(() => out);
  for (let src of assets) {
    if (!isInsideOrEqual(cwd, src)) continue;
    if (isInsideOrEqual(out, src)) continue;
    if (hasIgnoredPathPart(src, cwd)) continue;
    let dest = resolve(out, relative(cwd, src));
    if (written.has(dest)) continue;
    if (!isInsideOrEqual(out, dest)) continue;
    let stat: Awaited<ReturnType<typeof lstat>>;
    let copyFrom = src;
    try {
      if (await hasSymlinkParentPathPart(src, cwd)) continue;
      stat = await lstat(src);
      if (stat.isSymbolicLink()) {
        let realSrc = await realpath(src);
        if (!isInsideOrEqual(realCwd, realSrc)) continue;
        if (isInsideOrEqual(realOut, realSrc)) continue;
        if (hasIgnoredPathPart(realSrc, realCwd)) continue;
        copyFrom = realSrc;
        stat = await lstat(realSrc);
      }
    } catch {
      continue;
    }
    if (!stat.isFile()) continue;
    await mkdir(dirname(dest), { recursive: true });
    await copyFile(copyFrom, dest);
    written.add(dest);
    copied++;
  }
  return copied;
}