@plugjs/plug/dist/plugs/filter.mjs

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

// plugs/filter.ts
import { Files } from "../files.mjs";
import { resolveRelativeChildPath } from "../paths.mjs";
import { install } from "../pipe.mjs";
import { match } from "../utils/match.mjs";
import { parseOptions } from "../utils/options.mjs";
install("filter", class Filter {
  _globs;
  _options;
  constructor(...args) {
    const { params, options } = parseOptions(args, {});
    this._options = options;
    this._globs = params;
  }
  pipe(files, context) {
    const { directory, ...options } = this._options;
    const dir = directory ? context.resolve(directory) : files.directory;
    const builder = Files.builder(dir);
    const matcher = match(this._globs, options);
    for (const file of files.absolutePaths()) {
      const relative = resolveRelativeChildPath(builder.directory, file);
      if (relative && matcher(relative)) builder.add(relative);
    }
    const result = builder.build();
    const discarded = files.length - result.length;
    context.log.debug("Filtered", result.length, "files (discarded", discarded, "files)");
    return result;
  }
});
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