blob: f8209c550ef0cfce3c71c3b72bf1f685792ce098 [file] [log] [blame]
// @ts-nocheck
'use strict';
const atRuleParamIndex = require('../../utils/atRuleParamIndex');
const declarationValueIndex = require('../../utils/declarationValueIndex');
const isStandardSyntaxSelector = require('../../utils/isStandardSyntaxSelector');
const parseSelector = require('../../utils/parseSelector');
const report = require('../../utils/report');
const ruleMessages = require('../../utils/ruleMessages');
const validateOptions = require('../../utils/validateOptions');
const valueParser = require('postcss-value-parser');
const ruleName = 'string-no-newline';
const reNewLine = /\r?\n/;
const messages = ruleMessages(ruleName, {
rejected: 'Unexpected newline in string',
});
function rule(actual) {
return (root, result) => {
const validOptions = validateOptions(result, ruleName, { actual });
if (!validOptions) {
return;
}
root.walk((node) => {
switch (node.type) {
case 'atrule':
checkDeclOrAtRule(node, node.params, atRuleParamIndex);
break;
case 'decl':
checkDeclOrAtRule(node, node.value, declarationValueIndex);
break;
case 'rule':
checkRule(node);
break;
}
});
function checkRule(ruleNode) {
// Get out quickly if there are no new line
if (!reNewLine.test(ruleNode.selector)) {
return;
}
if (!isStandardSyntaxSelector(ruleNode.selector)) {
return;
}
parseSelector(ruleNode.selector, result, ruleNode, (selectorTree) => {
selectorTree.walkAttributes((attributeNode) => {
const match = reNewLine.exec(attributeNode.value);
if (!match) {
return;
}
const openIndex = [
// length of our attribute
attributeNode.attribute,
// length of our operator , ie '='
attributeNode.operator,
// length of the contents before newline
match.input.slice(0, match.index),
].reduce(
(index, str) => index + str.length,
// index of the start of our attribute node in our source
// plus 1 for the opening quotation mark
attributeNode.sourceIndex + 1,
);
report({
message: messages.rejected,
node: ruleNode,
index: openIndex,
result,
ruleName,
});
});
});
}
function checkDeclOrAtRule(node, value, getIndex) {
// Get out quickly if there are no new line
if (!reNewLine.test(value)) {
return;
}
valueParser(value).walk((valueNode) => {
if (valueNode.type !== 'string') {
return;
}
const match = reNewLine.exec(valueNode.value);
if (!match) {
return;
}
const openIndex = [
// length of the quote
valueNode.quote,
// length of the contents before newline
match.input.slice(0, match.index),
].reduce((index, str) => index + str.length, valueNode.sourceIndex);
report({
message: messages.rejected,
node,
index: getIndex(node) + openIndex,
result,
ruleName,
});
});
}
};
}
rule.ruleName = ruleName;
rule.messages = messages;
module.exports = rule;