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

116 lines
2.9 KiB
JavaScript

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