/
index.js
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/
index.js
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'use strict';
const atRuleParamIndex = require('../../utils/atRuleParamIndex');
const report = require('../../utils/report');
const ruleMessages = require('../../utils/ruleMessages');
const validateOptions = require('../../utils/validateOptions');
const { isRegExp, isString } = require('../../utils/validateTypes');
const ruleName = 'custom-media-pattern';
const messages = ruleMessages(ruleName, {
expected: (mediaName, pattern) => `Expected "${mediaName}" to match pattern "${pattern}"`,
});
const meta = {
url: 'https://stylelint.io/user-guide/rules/custom-media-pattern',
};
/** @type {import('stylelint').Rule} */
const rule = (primary) => {
return (root, result) => {
const validOptions = validateOptions(result, ruleName, {
actual: primary,
possible: [isRegExp, isString],
});
if (!validOptions) {
return;
}
const regexpPattern = isString(primary) ? new RegExp(primary) : primary;
root.walkAtRules((atRule) => {
if (atRule.name.toLowerCase() !== 'custom-media') {
return;
}
const [fullName, customMediaName] = atRule.params.match(/^--(\S+)\b/) || [];
if (fullName === undefined || customMediaName === undefined) {
throw new Error(`Unexpected at-rule params: "${atRule.params}"`);
}
if (regexpPattern.test(customMediaName)) {
return;
}
const index = atRuleParamIndex(atRule);
report({
message: messages.expected,
messageArgs: [fullName, primary],
node: atRule,
index,
endIndex: index + fullName.length,
result,
ruleName,
});
});
};
};
rule.ruleName = ruleName;
rule.messages = messages;
rule.meta = meta;
module.exports = rule;