/
index.js
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/
index.js
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'use strict';
const isCustomProperty = require('../../utils/isCustomProperty');
const isStandardSyntaxDeclaration = require('../../utils/isStandardSyntaxDeclaration');
const isStandardSyntaxProperty = require('../../utils/isStandardSyntaxProperty');
const optionsMatches = require('../../utils/optionsMatches');
const properties = require('known-css-properties').all;
const report = require('../../utils/report');
const ruleMessages = require('../../utils/ruleMessages');
const { isAtRule, isRule } = require('../../utils/typeGuards');
const validateOptions = require('../../utils/validateOptions');
const vendor = require('../../utils/vendor');
const { isBoolean, isRegExp, isString } = require('../../utils/validateTypes');
const ruleName = 'property-no-unknown';
const messages = ruleMessages(ruleName, {
rejected: (property) => `Unexpected unknown property "${property}"`,
});
const meta = {
url: 'https://stylelint.io/user-guide/rules/list/property-no-unknown',
};
/** @type {import('stylelint').Rule} */
const rule = (primary, secondaryOptions) => {
const allValidProperties = new Set(properties);
return (root, result) => {
const validOptions = validateOptions(
result,
ruleName,
{ actual: primary },
{
actual: secondaryOptions,
possible: {
ignoreProperties: [isString, isRegExp],
checkPrefixed: [isBoolean],
ignoreSelectors: [isString, isRegExp],
ignoreAtRules: [isString, isRegExp],
},
optional: true,
},
);
if (!validOptions) {
return;
}
const shouldCheckPrefixed = secondaryOptions && secondaryOptions.checkPrefixed;
root.walkDecls(checkStatement);
/**
* @param {import('postcss').Declaration} decl
*/
function checkStatement(decl) {
const prop = decl.prop;
if (!isStandardSyntaxProperty(prop)) {
return;
}
if (!isStandardSyntaxDeclaration(decl)) {
return;
}
if (isCustomProperty(prop)) {
return;
}
if (!shouldCheckPrefixed && vendor.prefix(prop)) {
return;
}
if (optionsMatches(secondaryOptions, 'ignoreProperties', prop)) {
return;
}
const parent = decl.parent;
if (
parent &&
isRule(parent) &&
optionsMatches(secondaryOptions, 'ignoreSelectors', parent.selector)
) {
return;
}
/** @type {import('postcss').Node | undefined} */
let node = parent;
while (node && node.type !== 'root') {
if (isAtRule(node) && optionsMatches(secondaryOptions, 'ignoreAtRules', node.name)) {
return;
}
node = node.parent;
}
if (allValidProperties.has(prop.toLowerCase())) {
return;
}
report({
message: messages.rejected(prop),
node: decl,
result,
ruleName,
word: prop,
});
}
};
};
rule.ruleName = ruleName;
rule.messages = messages;
rule.meta = meta;
module.exports = rule;