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TripSit_Suite/node_modules/stylelint/lib/normalizeRuleSettings.js
2020-11-01 22:46:04 +00:00

71 lines
1.9 KiB
JavaScript

'use strict';
const _ = require('lodash');
const rules = 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
* @param {import('stylelint').StylelintConfigRuleSettings} rawSettings
* @param {string} ruleName
* @param {boolean} [primaryOptionArray] If primaryOptionArray is not provided, we try to get it from the, rules themselves, which will not work for plugins
* @return {[any, Object] | Array<any | [any, Object]> | null}
*/
module.exports = function (
rawSettings,
ruleName,
// If primaryOptionArray is not provided, we try to get it from the
// rules themselves, which will not work for plugins
primaryOptionArray,
) {
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 = 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];
};