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index.js
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index.js
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// @ts-nocheck
'use strict';
const hasBlock = require('../../utils/hasBlock');
const report = require('../../utils/report');
const ruleMessages = require('../../utils/ruleMessages');
const validateOptions = require('../../utils/validateOptions');
const ruleName = 'declaration-block-trailing-semicolon';
const messages = ruleMessages(ruleName, {
expected: 'Expected a trailing semicolon',
rejected: 'Unexpected trailing semicolon',
});
function rule(expectation, _, context) {
return (root, result) => {
const validOptions = validateOptions(result, ruleName, {
actual: expectation,
possible: ['always', 'never'],
});
if (!validOptions) {
return;
}
root.walkAtRules((atRule) => {
if (atRule.parent === root) {
return;
}
if (atRule !== atRule.parent.last) {
return;
}
if (hasBlock(atRule)) {
return;
}
checkLastNode(atRule);
});
root.walkDecls((decl) => {
if (decl.parent.type !== 'rule' && decl.parent.type !== 'atrule') {
return;
}
if (decl !== decl.parent.last) {
return;
}
checkLastNode(decl);
});
function checkLastNode(node) {
let message;
if (expectation === 'always') {
if (node.parent.raws.semicolon) {
return;
}
// auto-fix
if (context.fix) {
node.parent.raws.semicolon = true;
if (node.type === 'atrule') {
node.raws.between = '';
node.parent.raws.after = ' ';
}
return;
}
message = messages.expected;
} else if (expectation === 'never') {
if (!node.parent.raws.semicolon) {
return;
}
// auto-fix
if (context.fix) {
node.parent.raws.semicolon = false;
return;
}
message = messages.rejected;
}
report({
message,
node,
index: node.toString().trim().length - 1,
result,
ruleName,
});
}
};
}
rule.ruleName = ruleName;
rule.messages = messages;
module.exports = rule;