113 lines
2.9 KiB
JavaScript
113 lines
2.9 KiB
JavaScript
'use strict';
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const valueParser = require('postcss-value-parser');
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const declarationValueIndex = require('../../utils/declarationValueIndex');
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const findNotContiguousOrRectangular = require('./utils/findNotContiguousOrRectangular');
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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 { assert } = require('../../utils/validateTypes');
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const ruleName = 'named-grid-areas-no-invalid';
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const messages = ruleMessages(ruleName, {
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expectedToken: () => 'Expected cell token within string',
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expectedSameNumber: () => 'Expected same number of cell tokens in each string',
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expectedRectangle: (name) => `Expected single filled-in rectangle for "${name}"`,
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});
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const meta = {
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url: 'https://stylelint.io/user-guide/rules/named-grid-areas-no-invalid',
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};
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/** @type {import('stylelint').Rule} */
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const rule = (primary) => {
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return (root, result) => {
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const validOptions = validateOptions(result, ruleName, { actual: primary });
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if (!validOptions) {
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return;
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}
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root.walkDecls(/^(?:grid|grid-template|grid-template-areas)$/i, (decl) => {
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const { value } = decl;
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if (value.toLowerCase().trim() === 'none') return;
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/** @type {Array<{ values: string[], index: number, endIndex: number }>} */
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const areas = [];
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let reportSent = false;
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valueParser(value).walk(({ sourceIndex, sourceEndIndex, type, value: tokenValue }) => {
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if (type !== 'string') return;
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if (tokenValue === '') {
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complain(messages.expectedToken(), sourceIndex, sourceEndIndex);
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reportSent = true;
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return;
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}
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areas.push({
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values: tokenValue.trim().split(' ').filter(Boolean),
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index: sourceIndex,
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endIndex: sourceEndIndex,
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});
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});
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if (reportSent) return;
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const [firstArea] = areas;
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if (firstArea === undefined) return;
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const notSameNumberArea = areas.find(
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(area) => area.values.length !== firstArea.values.length,
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);
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if (notSameNumberArea !== undefined) {
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complain(
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messages.expectedSameNumber(),
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notSameNumberArea.index,
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notSameNumberArea.endIndex,
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);
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return;
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}
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const notContiguousOrRectangular = findNotContiguousOrRectangular(areas.map((a) => a.values));
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for (const name of notContiguousOrRectangular.sort()) {
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const area = areas.find((a) => a.values.includes(name));
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assert(area);
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complain(messages.expectedRectangle(name), area.index, area.endIndex);
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}
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/**
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* @param {string} message
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* @param {number} index
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* @param {number} endIndex
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*/
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function complain(message, index, endIndex) {
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const start = declarationValueIndex(decl);
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report({
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message,
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node: decl,
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index: start + index,
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endIndex: start + endIndex,
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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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