116 lines
2.8 KiB
JavaScript
116 lines
2.8 KiB
JavaScript
// @ts-nocheck
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'use strict';
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const atRuleParamIndex = require('../../utils/atRuleParamIndex');
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const declarationValueIndex = require('../../utils/declarationValueIndex');
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const isStandardSyntaxSelector = require('../../utils/isStandardSyntaxSelector');
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const parseSelector = require('../../utils/parseSelector');
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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 = 'string-no-newline';
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const reNewLine = /(\r?\n)/;
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const messages = ruleMessages(ruleName, {
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rejected: 'Unexpected newline in string',
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});
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function rule(actual) {
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return (root, result) => {
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const validOptions = validateOptions(result, ruleName, { actual });
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if (!validOptions) {
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return;
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}
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root.walk((node) => {
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switch (node.type) {
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case 'atrule':
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checkDeclOrAtRule(node, node.params, atRuleParamIndex);
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break;
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case 'decl':
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checkDeclOrAtRule(node, node.value, declarationValueIndex);
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break;
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case 'rule':
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checkRule(node);
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break;
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}
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});
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function checkRule(rule) {
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// Get out quickly if there are no new line
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if (!reNewLine.test(rule.selector)) {
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return;
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}
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if (!isStandardSyntaxSelector(rule.selector)) {
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return;
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}
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parseSelector(rule.selector, result, rule, (selectorTree) => {
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selectorTree.walkAttributes((attributeNode) => {
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if (!reNewLine.test(attributeNode.value)) {
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return;
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}
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const openIndex = [
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// length of our attribute
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attributeNode.attribute,
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// length of our operator , ie '='
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attributeNode.operator,
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// length of the contents before newline
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RegExp.leftContext,
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].reduce(
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(index, str) => index + str.length,
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// index of the start of our attribute node in our source
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attributeNode.sourceIndex,
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);
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report({
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message: messages.rejected,
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node: rule,
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index: openIndex,
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result,
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ruleName,
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});
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});
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});
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}
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function checkDeclOrAtRule(node, value, getIndex) {
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// Get out quickly if there are no new line
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if (!reNewLine.test(value)) {
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return;
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}
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valueParser(value).walk((valueNode) => {
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if (valueNode.type !== 'string' || !reNewLine.test(valueNode.value)) {
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return;
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}
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const openIndex = [
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// length of the quote
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valueNode.quote,
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// length of the contents before newline
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RegExp.leftContext,
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].reduce((index, str) => index + str.length, valueNode.sourceIndex);
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report({
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message: messages.rejected,
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node,
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index: getIndex(node) + openIndex,
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result,
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ruleName,
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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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