hot-hook/build/src/matcher.js

Easy hot module reloading (HMR) for Node.js and ESM

import { resolve } from 'node:path';
import picomatch from 'picomatch';
export class Matcher {
    #matcher;
    constructor(rootDirectory, patterns = []) {
        patterns = Array.isArray(patterns) ? patterns : [patterns];
        const absolutePatterns = patterns
            .map((pattern) => {
            /**
             * Do not resolve double star patterns because they are not relative to the root
             */
            if (pattern.startsWith('**'))
                return pattern;
            /**
             * Resolve the pattern to the root directory. All patterns are relative to the root
             */
            return resolve(rootDirectory, pattern);
        })
            .map((path) => path.replace(/\\/g, '/'));
        this.#matcher = picomatch(absolutePatterns || [], { dot: true, posixSlashes: true });
    }
    /**
     * Check if a path matches the patterns
     */
    match(filePath) {
        return this.#matcher(resolve(filePath));
    }
}