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2020-11-01 22:46:04 +00:00

115 lines
2.7 KiB
JavaScript

// @ts-nocheck
'use strict';
const atRuleParamIndex = require('../../utils/atRuleParamIndex');
const declarationValueIndex = require('../../utils/declarationValueIndex');
const getUnitFromValueNode = require('../../utils/getUnitFromValueNode');
const report = require('../../utils/report');
const ruleMessages = require('../../utils/ruleMessages');
const validateOptions = require('../../utils/validateOptions');
const valueParser = require('postcss-value-parser');
const ruleName = 'unit-case';
const messages = ruleMessages(ruleName, {
expected: (actual, expected) => `Expected "${actual}" to be "${expected}"`,
});
function rule(expectation, options, context) {
return (root, result) => {
const validOptions = validateOptions(result, ruleName, {
actual: expectation,
possible: ['lower', 'upper'],
});
if (!validOptions) {
return;
}
function check(node, value, getIndex) {
const violations = [];
function processValue(valueNode) {
const unit = getUnitFromValueNode(valueNode);
if (!unit) {
return false;
}
const expectedUnit = expectation === 'lower' ? unit.toLowerCase() : unit.toUpperCase();
if (unit === expectedUnit) {
return false;
}
violations.push({
index: getIndex(node) + valueNode.sourceIndex,
message: messages.expected(unit, expectedUnit),
});
return true;
}
const parsedValue = valueParser(value).walk((valueNode) => {
// Ignore wrong units within `url` function
let needFix = false;
const value = valueNode.value;
if (valueNode.type === 'function' && value.toLowerCase() === 'url') {
return false;
}
if (value.includes('*')) {
value.split('*').some((val) => {
return processValue({
...valueNode,
sourceIndex: value.indexOf(val) + val.length + 1,
value: val,
});
});
}
needFix = processValue(valueNode);
if (needFix && context.fix) {
valueNode.value = expectation === 'lower' ? value.toLowerCase() : value.toUpperCase();
}
});
if (violations.length) {
if (context.fix) {
if (node.name === 'media') {
node.params = parsedValue.toString();
} else {
node.value = parsedValue.toString();
}
} else {
violations.forEach((err) => {
report({
index: err.index,
message: err.message,
node,
result,
ruleName,
});
});
}
}
}
root.walkAtRules((atRule) => {
if (!/^media$/i.test(atRule.name) && !atRule.variable) {
return;
}
check(atRule, atRule.params, atRuleParamIndex);
});
root.walkDecls((decl) => check(decl, decl.value, declarationValueIndex));
};
}
rule.ruleName = ruleName;
rule.messages = messages;
module.exports = rule;