+++ /dev/null
-/* @flow */
-"use strict";
-const _ = require("lodash");
-const rules /*: Object*/ = require("./rules");
-
-// Rule settings can take a number of forms, e.g.
-// a. "rule-name": null
-// b. "rule-name": [null, ...]
-// c. "rule-name": primaryOption
-// d. "rule-name": [primaryOption]
-// e. "rule-name": [primaryOption, secondaryOption]
-// Where primaryOption can be anything: primitive, Object, or Array.
-//
-// This function normalizes all the possibilities into the
-// standard form: [primaryOption, secondaryOption]
-// Except in the cases with null, a & b, in which case
-// null is returned
-module.exports = function(
- rawSettings /*: ?stylelint$configRuleSettings*/,
- ruleName /*: string*/,
- // If primaryOptionArray is not provided, we try to get it from the
- // rules themselves, which will not work for plugins
- primaryOptionArray /*:: ?: boolean*/
-) /*: [any, Object] | Array<any | [any, Object]> | null*/ {
- if (rawSettings === null) {
- return null;
- }
-
- if (!Array.isArray(rawSettings)) {
- return [rawSettings];
- }
- // Everything below is an array ...
-
- if (rawSettings[0] === null) {
- return null;
- }
-
- if (primaryOptionArray === undefined) {
- const rule /*: Function*/ = rules[ruleName];
- primaryOptionArray = _.get(rule, "primaryOptionArray");
- }
-
- if (!primaryOptionArray) {
- return rawSettings;
- }
- // Everything below is a rule that CAN have an array for a primary option ...
- // (they might also have something else, e.g. rule-properties-order can
- // have the string "alphabetical")
-
- if (rawSettings.length === 1 && Array.isArray(rawSettings[0])) {
- return rawSettings;
- }
-
- if (
- rawSettings.length === 2 &&
- !_.isPlainObject(rawSettings[0]) &&
- _.isPlainObject(rawSettings[1])
- ) {
- return rawSettings;
- }
-
- return [rawSettings];
-};