/
index.js
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/
index.js
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// @ts-nocheck
'use strict';
const valueParser = require('postcss-value-parser');
const declarationValueIndex = require('../../utils/declarationValueIndex');
const getDeclarationValue = require('../../utils/getDeclarationValue');
const report = require('../../utils/report');
const ruleMessages = require('../../utils/ruleMessages');
const setDeclarationValue = require('../../utils/setDeclarationValue');
const validateOptions = require('../../utils/validateOptions');
const ruleName = 'color-hex-case';
const messages = ruleMessages(ruleName, {
expected: (actual, expected) => `Expected "${actual}" to be "${expected}"`,
});
const HEX = /^#[0-9A-Za-z]+/;
const IGNORED_FUNCTIONS = new Set(['url']);
function rule(expectation, options, context) {
return (root, result) => {
const validOptions = validateOptions(result, ruleName, {
actual: expectation,
possible: ['lower', 'upper'],
});
if (!validOptions) {
return;
}
root.walkDecls((decl) => {
const parsedValue = valueParser(getDeclarationValue(decl));
let needsFix = false;
parsedValue.walk((node) => {
const { value } = node;
if (isIgnoredFunction(node)) return false;
if (!isHexColor(node)) return;
const expected = expectation === 'lower' ? value.toLowerCase() : value.toUpperCase();
if (value === expected) return;
if (context.fix) {
node.value = expected;
needsFix = true;
return;
}
report({
message: messages.expected(value, expected),
node: decl,
index: declarationValueIndex(decl) + node.sourceIndex,
result,
ruleName,
});
});
if (needsFix) {
setDeclarationValue(decl, parsedValue.toString());
}
});
};
}
function isIgnoredFunction({ type, value }) {
return type === 'function' && IGNORED_FUNCTIONS.has(value.toLowerCase());
}
function isHexColor({ type, value }) {
return type === 'word' && HEX.test(value);
}
rule.ruleName = ruleName;
rule.messages = messages;
module.exports = rule;