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

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

import { Files } from "../files.js";
import { resolveRelativeChildPath } from "../paths.js";
import { install } from "../pipe.js";
import { match } from "../utils/match.js";
import { parseOptions } from "../utils/options.js";
/* ========================================================================== *
 * INSTALLATION / IMPLEMENTATION                                              *
 * ========================================================================== */
/** Filter the current {@link Files} using globs. */
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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