Method isMatch

packages/jest-pattern/src/TestPathPatterns.ts:97–124

* Return true if the given ABSOLUTE path matches the patterns. * * Throws an error if the patterns form an invalid regex (see `validate`).

(absPath: string)

   * Throws an error if the patterns form an invalid regex (see `validate`).
   */
  isMatch(absPath: string): boolean {
    const relPath = path.relative(this.options.rootDir || '/', absPath);

    if (this.patterns.patterns.length === 0) {
      return true;
    }

    for (const p of this.patterns.patterns) {
      const pathToTest = path.isAbsolute(p) ? absPath : relPath;

      // special case: ./foo.spec.js (and .\foo.spec.js on Windows) should
      // match /^foo.spec.js/ after stripping root dir
      let regexStr = p.replace(/^\.\//, '^');
      if (path.sep === '\\') {
        regexStr = regexStr.replace(/^\.\\/, '^');
      }

      regexStr = replacePathSepForRegex(regexStr);
      if (this.toRegex(regexStr).test(pathToTest)) {
        return true;
      }

      if (this.toRegex(regexStr).test(absPath)) {
        return true;
      }
    }
    return false;
  }

  /**
   * Return a human-friendly version of the pattern regex.