Function loadRuleOptionsPerFile

packages/plugin-eslint/src/lib/runner/lint.ts:54–82

(
  eslint: ESLint,
  results: ESLint.LintResult[],
)

}

function loadRuleOptionsPerFile(
  eslint: ESLint,
  results: ESLint.LintResult[],
): Promise<RuleOptionsPerFile> {
  return results.reduce(async (acc, { filePath, messages }) => {
    const filesMap = await acc;
    const config = (await eslint.calculateConfigForFile(
      filePath,
    )) as Linter.Config;
    const ruleIds = distinct(
      messages
        .map(({ ruleId }) => ruleId)
        .filter((ruleId): ruleId is string => ruleId != null),
    );
    const rulesMap = Object.fromEntries(
      ruleIds.map(ruleId => [
        ruleId,
        toArray(config.rules?.[ruleId] ?? []).slice(1),
      ]),
    );
    return {
      ...filesMap,
      [filePath]: {
        ...filesMap[filePath],
        ...rulesMap,
      },
    };
  }, Promise.resolve<RuleOptionsPerFile>({}));
}