/
index.js
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/
index.js
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'use strict';
const declarationValueIndex = require('../../utils/declarationValueIndex');
const findNotContiguousOrRectangular = require('./utils/findNotContiguousOrRectangular');
const isRectangular = require('./utils/isRectangular');
const report = require('../../utils/report');
const ruleMessages = require('../../utils/ruleMessages');
const validateOptions = require('../../utils/validateOptions');
const valueParser = require('postcss-value-parser');
const ruleName = 'named-grid-areas-no-invalid';
const messages = ruleMessages(ruleName, {
expectedToken: () => 'Expected cell token within string',
expectedSameNumber: () => 'Expected same number of cell tokens in each string',
expectedRectangle: (name) => `Expected single filled-in rectangle for "${name}"`,
});
const meta = {
url: 'https://stylelint.io/user-guide/rules/list/named-grid-areas-no-invalid',
};
/** @type {import('stylelint').Rule} */
const rule = (primary) => {
return (root, result) => {
const validOptions = validateOptions(result, ruleName, { actual: primary });
if (!validOptions) {
return;
}
root.walkDecls(/^(?:grid|grid-template|grid-template-areas)$/i, (decl) => {
const { value } = decl;
if (value.toLowerCase().trim() === 'none') return;
/** @type {string[][]} */
const areas = [];
let reportSent = false;
valueParser(value).walk(({ sourceIndex, type, value: tokenValue }) => {
if (type !== 'string') return;
if (tokenValue === '') {
complain(messages.expectedToken(), sourceIndex);
reportSent = true;
return;
}
areas.push(
tokenValue
.trim()
.split(' ')
.filter((s) => s.length > 0),
);
});
if (reportSent) return;
if (areas.length === 0) return;
if (!isRectangular(areas)) {
complain(messages.expectedSameNumber());
return;
}
const notContiguousOrRectangular = findNotContiguousOrRectangular(areas);
for (const name of notContiguousOrRectangular.sort()) {
complain(messages.expectedRectangle(name));
}
/**
* @param {string} message
* @param {number} [sourceIndex=0]
*/
function complain(message, sourceIndex = 0) {
report({
message,
node: decl,
index: declarationValueIndex(decl) + sourceIndex,
result,
ruleName,
});
}
});
};
};
rule.ruleName = ruleName;
rule.messages = messages;
rule.meta = meta;
module.exports = rule;