@plugjs/plug/dist/utils/walk.mjs

PlugJS Build System ===================

// utils/walk.ts
import { basename, join } from "node:path";
import { opendir, stat } from "../fs.mjs";
import { $p, log } from "../logging.mjs";
import { resolveAbsolutePath } from "../paths.mjs";
import { match } from "./match.mjs";
function walk(directory, globs, options = {}) {
  const {
    maxDepth = Infinity,
    followSymlinks = true,
    allowNodeModules = false,
    ...opts
  } = options;
  const onDirectory = (dir) => {
    if (dir === directory) return true;
    const name = basename(dir);
    if (name === "node_modules") return !!allowNodeModules;
    if (name.startsWith(".")) return !!opts.dot;
    return true;
  };
  const positiveMatcher = match(globs, opts);
  log.debug("Walking directory", $p(directory), { globs, options });
  return walker({
    directory,
    relative: "",
    matcher: positiveMatcher,
    onDirectory,
    followSymlinks,
    maxDepth,
    depth: 0
  });
}
async function* walker(args) {
  const {
    directory,
    relative,
    matcher: positiveMatcher,
    onDirectory,
    followSymlinks,
    maxDepth,
    depth
  } = args;
  const dir = resolveAbsolutePath(directory, relative);
  if (!onDirectory(dir)) return;
  log.trace("Reading directory", $p(dir));
  let dirents;
  try {
    dirents = await opendir(dir);
  } catch (error) {
    if (error.code !== "ENOENT") throw error;
    log.warn("Directory", $p(dir), "not found");
    return;
  }
  for await (const dirent of dirents) {
    const path = join(relative, dirent.name);
    if (dirent.isFile() && positiveMatcher(path)) yield path;
    else if (dirent.isDirectory() && depth < maxDepth) {
      const children = walker({ ...args, relative: path, depth: depth + 1 });
      for await (const child of children) yield child;
    } else if (dirent.isSymbolicLink() && followSymlinks) {
      const info = await stat(join(directory, path));
      if (info.isFile() && positiveMatcher(path)) yield path;
      else if (info.isDirectory() && depth < maxDepth) {
        const children = walker({ ...args, relative: path, depth: depth + 1 });
        for await (const child of children) yield child;
      }
    }
  }
}
export {
  walk
};
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