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