Function runLinter

build-system/tasks/lint.js:27–63

* Runs the linter on the given set of files. * @param {Array } filesToLint * @return {Promise }

(filesToLint)

 * @return {Promise<void>}
 */
async function runLinter(filesToLint) {
  logLocalDev(green('Starting linter...'));
  const eslint = new ESLint(options);
  const results = {
    errorCount: 0,
    warningCount: 0,
  };
  const fixedFiles = {};
  for (const file of filesToLint) {
    const text = fs.readFileSync(file, 'utf-8');
    const lintResult = await eslint.lintText(text, {filePath: file});
    const result = lintResult[0];
    if (!result) {
      continue; // File was ignored
    }
    results.errorCount += result.errorCount;
    results.warningCount += result.warningCount;
    const formatter = await eslint.loadFormatter('stylish');
    const resultText = (await formatter.format(lintResult))
      .replace(`${process.cwd()}/`, '')
      .trim();
    if (resultText.length) {
      logOnSameLine(resultText);
    }
    if (argv.fix) {
      await ESLint.outputFixes(lintResult);
    }
    logOnSameLineLocalDev(green('Linted: ') + file);
    if (options.fix && result.output) {
      const status =
        result.errorCount == 0 ? green('Fixed: ') : yellow('Partially fixed: ');
      logOnSameLine(status + cyan(file));
      fixedFiles[file] = status;
    }
  }
  summarizeResults(results, fixedFiles);
}

/**
 * Summarize the results of linting all files.