blob: fff20868d45d46c49f237d61d84fc502de198884 [file] [log] [blame]
// @ts-nocheck
'use strict';
const declarationValueIndex = require('../../utils/declarationValueIndex');
const getDeclarationValue = require('../../utils/getDeclarationValue');
const ruleMessages = require('../../utils/ruleMessages');
const setDeclarationValue = require('../../utils/setDeclarationValue');
const validateOptions = require('../../utils/validateOptions');
const valueListCommaWhitespaceChecker = require('../valueListCommaWhitespaceChecker');
const whitespaceChecker = require('../../utils/whitespaceChecker');
const ruleName = 'value-list-comma-space-before';
const messages = ruleMessages(ruleName, {
expectedBefore: () => 'Expected single space before ","',
rejectedBefore: () => 'Unexpected whitespace before ","',
expectedBeforeSingleLine: () => 'Unexpected whitespace before "," in a single-line list',
rejectedBeforeSingleLine: () => 'Unexpected whitespace before "," in a single-line list',
});
function rule(expectation, options, context) {
const checker = whitespaceChecker('space', expectation, messages);
return (root, result) => {
const validOptions = validateOptions(result, ruleName, {
actual: expectation,
possible: ['always', 'never', 'always-single-line', 'never-single-line'],
});
if (!validOptions) {
return;
}
let fixData;
valueListCommaWhitespaceChecker({
root,
result,
locationChecker: checker.before,
checkedRuleName: ruleName,
fix: context.fix
? (declNode, index) => {
const valueIndex = declarationValueIndex(declNode);
if (index <= valueIndex) {
return false;
}
fixData = fixData || new Map();
const commaIndices = fixData.get(declNode) || [];
commaIndices.push(index);
fixData.set(declNode, commaIndices);
return true;
}
: null,
});
if (fixData) {
for (const [decl, commaIndices] of fixData.entries()) {
for (const index of commaIndices.sort((a, b) => b - a)) {
const value = getDeclarationValue(decl);
const valueIndex = index - declarationValueIndex(decl);
let beforeValue = value.slice(0, valueIndex);
const afterValue = value.slice(valueIndex);
if (expectation.startsWith('always')) {
beforeValue = beforeValue.replace(/\s*$/, ' ');
} else if (expectation.startsWith('never')) {
beforeValue = beforeValue.replace(/\s*$/, '');
}
setDeclarationValue(decl, beforeValue + afterValue);
}
}
}
};
}
rule.ruleName = ruleName;
rule.messages = messages;
module.exports = rule;