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