100 lines
2.4 KiB
JavaScript
100 lines
2.4 KiB
JavaScript
'use strict';
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const valueParser = require('postcss-value-parser');
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const isCustomProperty = require('../../utils/isCustomProperty');
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const report = require('../../utils/report');
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const ruleMessages = require('../../utils/ruleMessages');
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const validateOptions = require('../../utils/validateOptions');
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const declarationValueIndex = require('../../utils/declarationValueIndex');
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const { isRegExp, isString } = require('../../utils/validateTypes');
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const { isValueFunction } = require('../../utils/typeGuards');
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const isStandardSyntaxProperty = require('../../utils/isStandardSyntaxProperty');
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const ruleName = 'custom-property-pattern';
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const messages = ruleMessages(ruleName, {
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expected: (propName, pattern) => `Expected "${propName}" to match pattern "${pattern}"`,
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});
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const meta = {
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url: 'https://stylelint.io/user-guide/rules/custom-property-pattern',
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};
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const VAR_FUNC_REGEX = /var\(/i;
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/** @type {import('stylelint').Rule} */
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const rule = (primary) => {
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return (root, result) => {
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const validOptions = validateOptions(result, ruleName, {
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actual: primary,
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possible: [isRegExp, isString],
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});
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if (!validOptions) {
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return;
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}
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const regexpPattern = isString(primary) ? new RegExp(primary) : primary;
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/**
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* @param {string} property
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* @returns {boolean}
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*/
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function check(property) {
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return (
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!isCustomProperty(property) ||
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!isStandardSyntaxProperty(property) ||
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regexpPattern.test(property.slice(2))
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);
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}
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root.walkDecls((decl) => {
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const { prop, value } = decl;
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if (VAR_FUNC_REGEX.test(value)) {
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const parsedValue = valueParser(value);
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parsedValue.walk((node) => {
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if (!isValueFunction(node)) return;
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if (node.value.toLowerCase() !== 'var') return;
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const { nodes } = node;
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const firstNode = nodes[0];
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if (!firstNode || check(firstNode.value)) return;
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complain(declarationValueIndex(decl) + firstNode.sourceIndex, firstNode.value, decl);
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});
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}
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if (check(prop)) return;
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complain(0, prop, decl);
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});
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/**
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* @param {number} index
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* @param {string} propName
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* @param {import('postcss').Declaration} decl
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*/
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function complain(index, propName, decl) {
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report({
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result,
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ruleName,
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message: messages.expected,
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messageArgs: [propName, primary],
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node: decl,
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index,
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endIndex: index + propName.length,
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});
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}
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};
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};
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rule.ruleName = ruleName;
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rule.messages = messages;
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rule.meta = meta;
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module.exports = rule;
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