Function executeLint

packages/plugin-eslint/src/lib/runner/lint.ts:23–52

({
  eslintrc,
  patterns,
}: ESLintTarget)

}

async function executeLint({
  eslintrc,
  patterns,
}: ESLintTarget): Promise<ESLint.LintResult[]> {
  // running as CLI because ESLint#lintFiles() runs out of memory
  const { stdout, stderr, code } = await executeProcess({
    command: 'npx',
    args: [
      'eslint',
      ...(eslintrc ? [`--config=${filePathToCliArg(eslintrc)}`] : []),
      ...(typeof eslintrc === 'object' ? ['--no-eslintrc'] : []),
      '--no-error-on-unmatched-pattern',
      '--format=json',
      ...toArray(patterns).map(pattern =>
        // globs need to be escaped on Unix
        platform() === 'win32' ? pattern : `'${pattern}'`,
      ),
    ],
    ignoreExitCode: true,
    cwd: process.cwd(),
  });

  if (!stdout.trim()) {
    throw new Error(
      `ESLint produced empty output. Exit code: ${code}, STDERR: ${stderr}`,
    );
  }

  return JSON.parse(stdout) as ESLint.LintResult[];
}

function loadRuleOptionsPerFile(
  eslint: ESLint,