135 lines
3.2 KiB
JavaScript
135 lines
3.2 KiB
JavaScript
'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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const meta = {
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url: 'https://stylelint.io/user-guide/rules/string-no-newline',
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};
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/** @type {import('stylelint').Rule} */
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const rule = (primary) => {
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return (root, result) => {
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const validOptions = validateOptions(result, ruleName, { actual: primary });
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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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/**
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* @param {import('postcss').Rule} ruleNode
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* @returns {void}
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*/
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function checkRule(ruleNode) {
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// Get out quickly if there are no new line
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if (!reNewLine.test(ruleNode.selector)) {
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return;
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}
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if (!isStandardSyntaxSelector(ruleNode.selector)) {
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return;
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}
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parseSelector(ruleNode.selector, result, ruleNode, (selectorTree) => {
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selectorTree.walkAttributes((attributeNode) => {
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const { value, quoteMark } = attributeNode;
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if (!value || !reNewLine.test(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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].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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// plus 1 for the opening quotation mark
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attributeNode.sourceIndex + 1,
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);
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const valueLength = value.length + (quoteMark || '').length * 2;
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report({
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message: messages.rejected,
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node: ruleNode,
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index: openIndex,
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endIndex: openIndex + valueLength,
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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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* @template {import('postcss').AtRule | import('postcss').Declaration} T
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* @param {T} node
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* @param {string} value
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* @param {(node: T) => number} getIndex
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* @returns {void}
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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') {
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return;
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}
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if (!reNewLine.test(valueNode.value)) {
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return;
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}
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const nodeIndex = getIndex(node);
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report({
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message: messages.rejected,
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node,
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index: nodeIndex + valueNode.sourceIndex,
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endIndex: nodeIndex + valueNode.sourceEndIndex,
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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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rule.meta = meta;
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module.exports = rule;
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