116 lines
2.9 KiB
JavaScript
116 lines
2.9 KiB
JavaScript
// @ts-nocheck
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'use strict';
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const _ = require('lodash');
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const declarationValueIndex = require('../../utils/declarationValueIndex');
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const isStandardSyntaxFunction = require('../../utils/isStandardSyntaxFunction');
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const keywordSets = require('../../reference/keywordSets');
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const matchesStringOrRegExp = require('../../utils/matchesStringOrRegExp');
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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 = 'function-name-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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const mapLowercaseFunctionNamesToCamelCase = new Map();
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keywordSets.camelCaseFunctionNames.forEach((func) => {
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mapLowercaseFunctionNamesToCamelCase.set(func.toLowerCase(), func);
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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(
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result,
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ruleName,
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{
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actual: expectation,
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possible: ['lower', 'upper'],
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},
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{
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actual: options,
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possible: {
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ignoreFunctions: [_.isString, _.isRegExp],
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},
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optional: true,
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},
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);
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if (!validOptions) {
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return;
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}
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root.walkDecls((decl) => {
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let needFix = false;
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const parsed = valueParser(decl.raws.value ? decl.raws.value.raw : decl.value);
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parsed.walk((node) => {
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if (node.type !== 'function' || !isStandardSyntaxFunction(node)) {
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return;
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}
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const functionName = node.value;
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const functionNameLowerCase = functionName.toLowerCase();
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const ignoreFunctions = (options && options.ignoreFunctions) || [];
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if (ignoreFunctions.length > 0 && matchesStringOrRegExp(functionName, ignoreFunctions)) {
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return;
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}
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let expectedFunctionName = null;
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if (
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expectation === 'lower' &&
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mapLowercaseFunctionNamesToCamelCase.has(functionNameLowerCase)
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) {
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expectedFunctionName = mapLowercaseFunctionNamesToCamelCase.get(functionNameLowerCase);
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} else if (expectation === 'lower') {
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expectedFunctionName = functionNameLowerCase;
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} else {
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expectedFunctionName = functionName.toUpperCase();
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}
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if (functionName === expectedFunctionName) {
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return;
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}
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if (context.fix) {
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needFix = true;
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node.value = expectedFunctionName;
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return;
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}
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report({
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message: messages.expected(functionName, expectedFunctionName),
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node: decl,
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index: declarationValueIndex(decl) + node.sourceIndex,
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result,
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ruleName,
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});
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});
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if (context.fix && needFix) {
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const statement = parsed.toString();
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if (decl.raws.value) {
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decl.raws.value.raw = statement;
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} else {
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decl.value = statement;
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}
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}
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});
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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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