89 lines
2.1 KiB
JavaScript
89 lines
2.1 KiB
JavaScript
'use strict';
|
|
|
|
const valueParser = require('postcss-value-parser');
|
|
|
|
const declarationValueIndex = require('../../utils/declarationValueIndex');
|
|
const report = require('../../utils/report');
|
|
const ruleMessages = require('../../utils/ruleMessages');
|
|
const validateOptions = require('../../utils/validateOptions');
|
|
|
|
const ruleName = 'custom-property-no-missing-var-function';
|
|
|
|
const messages = ruleMessages(ruleName, {
|
|
rejected: (customProperty) => `Unexpected missing var function for "${customProperty}"`,
|
|
});
|
|
|
|
const meta = {
|
|
url: 'https://stylelint.io/user-guide/rules/custom-property-no-missing-var-function',
|
|
};
|
|
|
|
/** @type {import('stylelint').Rule} */
|
|
const rule = (primary) => {
|
|
return (root, result) => {
|
|
const validOptions = validateOptions(result, ruleName, { actual: primary });
|
|
|
|
if (!validOptions) return;
|
|
|
|
/** @type {Set<string>} */
|
|
const knownCustomProperties = new Set();
|
|
|
|
root.walkAtRules(/^property$/i, (atRule) => {
|
|
knownCustomProperties.add(atRule.params);
|
|
});
|
|
|
|
root.walkDecls(/^--/, ({ prop }) => {
|
|
knownCustomProperties.add(prop);
|
|
});
|
|
|
|
root.walkDecls((decl) => {
|
|
const { value } = decl;
|
|
|
|
if (!value.includes('--')) return;
|
|
|
|
const parsedValue = valueParser(value);
|
|
|
|
parsedValue.walk((node) => {
|
|
if (isVarFunction(node)) return false;
|
|
|
|
if (!isDashedIdent(node)) return;
|
|
|
|
if (!knownCustomProperties.has(node.value)) return;
|
|
|
|
const index = declarationValueIndex(decl) + node.sourceIndex;
|
|
const endIndex = index + node.value.length;
|
|
|
|
report({
|
|
message: messages.rejected,
|
|
messageArgs: [node.value],
|
|
node: decl,
|
|
index,
|
|
endIndex,
|
|
result,
|
|
ruleName,
|
|
});
|
|
|
|
return false;
|
|
});
|
|
});
|
|
};
|
|
};
|
|
|
|
/**
|
|
* @param {import('postcss-value-parser').Node} node
|
|
*/
|
|
function isDashedIdent({ type, value }) {
|
|
return type === 'word' && value.startsWith('--');
|
|
}
|
|
|
|
/**
|
|
* @param {import('postcss-value-parser').Node} node
|
|
*/
|
|
function isVarFunction({ type, value }) {
|
|
return type === 'function' && value === 'var';
|
|
}
|
|
|
|
rule.ruleName = ruleName;
|
|
rule.messages = messages;
|
|
rule.meta = meta;
|
|
module.exports = rule;
|