forked from stylelint/stylelint
/
index.js
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/
index.js
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'use strict';
const declarationValueIndex = require('../../utils/declarationValueIndex');
const isStandardSyntaxHexColor = require('../../utils/isStandardSyntaxHexColor');
const isValidHex = require('../../utils/isValidHex');
const report = require('../../utils/report');
const ruleMessages = require('../../utils/ruleMessages');
const validateOptions = require('../../utils/validateOptions');
const valueParser = require('postcss-value-parser');
const ruleName = 'color-no-invalid-hex';
const messages = ruleMessages(ruleName, {
rejected: (hex) => `Unexpected invalid hex color "${hex}"`,
});
/** @type {import('stylelint').Rule} */
const rule = (primary) => {
return (root, result) => {
const validOptions = validateOptions(result, ruleName, { actual: primary });
if (!validOptions) {
return;
}
root.walkDecls((decl) => {
if (!isStandardSyntaxHexColor(decl.value)) {
return;
}
valueParser(decl.value).walk(({ value, type, sourceIndex }) => {
if (type === 'function' && value.endsWith('url')) return false;
if (type !== 'word') return;
const hexMatch = /^#[0-9A-Za-z]+/.exec(value);
if (!hexMatch) return;
const hexValue = hexMatch[0];
if (isValidHex(hexValue)) return;
report({
message: messages.rejected(hexValue),
node: decl,
index: declarationValueIndex(decl) + sourceIndex,
result,
ruleName,
});
});
});
};
};
rule.ruleName = ruleName;
rule.messages = messages;
module.exports = rule;