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- 'use strict';
- const atRuleParamIndex = require('../../utils/atRuleParamIndex');
- const findMediaOperator = require('../findMediaOperator');
- const report = require('../../utils/report');
- const ruleMessages = require('../../utils/ruleMessages');
- const validateOptions = require('../../utils/validateOptions');
- const whitespaceChecker = require('../../utils/whitespaceChecker');
- const ruleName = 'media-feature-range-operator-space-after';
- const messages = ruleMessages(ruleName, {
- expectedAfter: () => 'Expected single space after range operator',
- rejectedAfter: () => 'Unexpected whitespace after range operator',
- });
- const meta = {
- url: 'https://stylelint.io/user-guide/rules/list/media-feature-range-operator-space-after',
- };
- /** @type {import('stylelint').Rule} */
- const rule = (primary, _secondaryOptions, context) => {
- const checker = whitespaceChecker('space', primary, messages);
- return (root, result) => {
- const validOptions = validateOptions(result, ruleName, {
- actual: primary,
- possible: ['always', 'never'],
- });
- if (!validOptions) {
- return;
- }
- root.walkAtRules(/^media$/i, (atRule) => {
- /** @type {number[]} */
- const fixOperatorIndices = [];
- /** @type {((index: number) => void) | null} */
- const fix = context.fix ? (index) => fixOperatorIndices.push(index) : null;
- findMediaOperator(atRule, (match, params, node) => {
- checkAfterOperator(match, params, node, fix);
- });
- if (fixOperatorIndices.length) {
- let params = atRule.raws.params ? atRule.raws.params.raw : atRule.params;
- for (const index of fixOperatorIndices.sort((a, b) => b - a)) {
- const beforeOperator = params.slice(0, index + 1);
- const afterOperator = params.slice(index + 1);
- if (primary === 'always') {
- params = beforeOperator + afterOperator.replace(/^\s*/, ' ');
- } else if (primary === 'never') {
- params = beforeOperator + afterOperator.replace(/^\s*/, '');
- }
- }
- if (atRule.raws.params) {
- atRule.raws.params.raw = params;
- } else {
- atRule.params = params;
- }
- }
- });
- /**
- * @param {import('style-search').StyleSearchMatch} match
- * @param {string} params
- * @param {import('postcss').AtRule} node
- * @param {((index: number) => void) | null} fix
- */
- function checkAfterOperator(match, params, node, fix) {
- const endIndex = match.startIndex + match.target.length - 1;
- checker.after({
- source: params,
- index: endIndex,
- err: (m) => {
- if (fix) {
- fix(endIndex);
- return;
- }
- report({
- message: m,
- node,
- index: endIndex + atRuleParamIndex(node) + 1,
- result,
- ruleName,
- });
- },
- });
- }
- };
- };
- rule.ruleName = ruleName;
- rule.messages = messages;
- rule.meta = meta;
- module.exports = rule;
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