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node_modules/stylelint/lib/rules/value-keyword-case/index.cjs

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+// NOTICE: This file is generated by Rollup. To modify it,
+// please instead edit the ESM counterpart and rebuild with Rollup (npm run build).
+'use strict';
+
+const valueParser = require('postcss-value-parser');
+const keywords = require('../../reference/keywords.cjs');
+const validateTypes = require('../../utils/validateTypes.cjs');
+const nodeFieldIndices = require('../../utils/nodeFieldIndices.cjs');
+const getDeclarationValue = require('../../utils/getDeclarationValue.cjs');
+const getDimension = require('../../utils/getDimension.cjs');
+const isCounterIncrementCustomIdentValue = require('../../utils/isCounterIncrementCustomIdentValue.cjs');
+const isCounterResetCustomIdentValue = require('../../utils/isCounterResetCustomIdentValue.cjs');
+const isStandardSyntaxValue = require('../../utils/isStandardSyntaxValue.cjs');
+const optionsMatches = require('../../utils/optionsMatches.cjs');
+const report = require('../../utils/report.cjs');
+const ruleMessages = require('../../utils/ruleMessages.cjs');
+const validateOptions = require('../../utils/validateOptions.cjs');
+
+const ruleName = 'value-keyword-case';
+
+const messages = ruleMessages(ruleName, {
+	expected: (actual, expected) => `Expected "${actual}" to be "${expected}"`,
+});
+
+const meta = {
+	url: 'https://stylelint.io/user-guide/rules/value-keyword-case',
+	fixable: true,
+};
+
+// Operators are interpreted as "words" by the value parser, so we want to make sure to ignore them.
+const ignoredCharacters = new Set(['+', '-', '/', '*', '%']);
+const gridRowProps = new Set(['grid-row', 'grid-row-start', 'grid-row-end']);
+const gridColumnProps = new Set(['grid-column', 'grid-column-start', 'grid-column-end']);
+
+const mapLowercaseKeywordsToCamelCase = new Map();
+
+for (const func of keywords.camelCaseKeywords) {
+	mapLowercaseKeywordsToCamelCase.set(func.toLowerCase(), func);
+}
+
+/** @type {import('stylelint').CoreRules[ruleName]} */
+const rule = (primary, secondaryOptions) => {
+	return (root, result) => {
+		const validOptions = validateOptions(
+			result,
+			ruleName,
+			{
+				actual: primary,
+				possible: ['lower', 'upper'],
+			},
+			{
+				actual: secondaryOptions,
+				possible: {
+					ignoreProperties: [validateTypes.isString, validateTypes.isRegExp],
+					ignoreKeywords: [validateTypes.isString, validateTypes.isRegExp],
+					ignoreFunctions: [validateTypes.isString, validateTypes.isRegExp],
+					camelCaseSvgKeywords: [validateTypes.isBoolean],
+				},
+				optional: true,
+			},
+		);
+
+		if (!validOptions) {
+			return;
+		}
+
+		root.walkDecls((decl) => {
+			const prop = decl.prop;
+			const propLowerCase = decl.prop.toLowerCase();
+			const value = decl.value;
+
+			if (!isStandardSyntaxValue(value)) return;
+
+			const parsed = valueParser(getDeclarationValue(decl));
+
+			parsed.walk((node) => {
+				const keyword = node.value;
+				const valueLowerCase = keyword.toLowerCase();
+
+				// Ignore system colors
+				if (keywords.systemColorsKeywords.has(valueLowerCase)) {
+					return;
+				}
+
+				// Ignore keywords within `url` and `var` function
+				if (
+					node.type === 'function' &&
+					(valueLowerCase === 'url' ||
+						valueLowerCase === 'var' ||
+						valueLowerCase === 'counter' ||
+						valueLowerCase === 'counters' ||
+						valueLowerCase === 'attr')
+				) {
+					return false;
+				}
+
+				// ignore keywords within ignoreFunctions functions
+
+				if (
+					node.type === 'function' &&
+					optionsMatches(secondaryOptions, 'ignoreFunctions', keyword)
+				) {
+					return false;
+				}
+
+				const { unit } = getDimension(node);
+
+				// Ignore css variables, and hex values, and math operators, and sass interpolation
+				if (
+					node.type !== 'word' ||
+					!isStandardSyntaxValue(keyword) ||
+					value.includes('#') ||
+					ignoredCharacters.has(keyword) ||
+					unit
+				) {
+					return;
+				}
+
+				if (
+					propLowerCase === 'animation' &&
+					!keywords.animationShorthandKeywords.has(valueLowerCase) &&
+					!keywords.animationNameKeywords.has(valueLowerCase)
+				) {
+					return;
+				}
+
+				if (propLowerCase === 'animation-name' && !keywords.animationNameKeywords.has(valueLowerCase)) {
+					return;
+				}
+
+				if (
+					propLowerCase === 'font' &&
+					!keywords.fontShorthandKeywords.has(valueLowerCase) &&
+					!keywords.fontFamilyKeywords.has(valueLowerCase)
+				) {
+					return;
+				}
+
+				if (propLowerCase === 'font-family' && !keywords.fontFamilyKeywords.has(valueLowerCase)) {
+					return;
+				}
+
+				if (
+					propLowerCase === 'counter-increment' &&
+					isCounterIncrementCustomIdentValue(valueLowerCase)
+				) {
+					return;
+				}
+
+				if (propLowerCase === 'counter-reset' && isCounterResetCustomIdentValue(valueLowerCase)) {
+					return;
+				}
+
+				if (gridRowProps.has(propLowerCase) && !keywords.gridRowKeywords.has(valueLowerCase)) {
+					return;
+				}
+
+				if (gridColumnProps.has(propLowerCase) && !keywords.gridColumnKeywords.has(valueLowerCase)) {
+					return;
+				}
+
+				if (propLowerCase === 'grid-area' && !keywords.gridAreaKeywords.has(valueLowerCase)) {
+					return;
+				}
+
+				if (
+					propLowerCase === 'list-style' &&
+					!keywords.listStyleShorthandKeywords.has(valueLowerCase) &&
+					!keywords.listStyleTypeKeywords.has(valueLowerCase)
+				) {
+					return;
+				}
+
+				if (propLowerCase === 'list-style-type' && !keywords.listStyleTypeKeywords.has(valueLowerCase)) {
+					return;
+				}
+
+				if (optionsMatches(secondaryOptions, 'ignoreKeywords', keyword)) {
+					return;
+				}
+
+				if (optionsMatches(secondaryOptions, 'ignoreProperties', prop)) {
+					return;
+				}
+
+				const keywordLowerCase = keyword.toLocaleLowerCase();
+
+				/** @type {string} */
+				let expectedKeyword;
+
+				/** @type {boolean} */
+				const camelCaseSvgKeywords =
+					(secondaryOptions && secondaryOptions.camelCaseSvgKeywords) || false;
+
+				if (
+					primary === 'lower' &&
+					mapLowercaseKeywordsToCamelCase.has(keywordLowerCase) &&
+					camelCaseSvgKeywords
+				) {
+					expectedKeyword = mapLowercaseKeywordsToCamelCase.get(keywordLowerCase);
+				} else if (primary === 'lower') {
+					expectedKeyword = keyword.toLowerCase();
+				} else {
+					expectedKeyword = keyword.toUpperCase();
+				}
+
+				if (keyword === expectedKeyword) {
+					return;
+				}
+
+				const index = nodeFieldIndices.declarationValueIndex(decl) + node.sourceIndex;
+				const endIndex = index + keyword.length;
+
+				const fix = () => {
+					node.value = expectedKeyword;
+					decl.value = parsed.toString();
+				};
+
+				report({
+					message: messages.expected,
+					messageArgs: [keyword, expectedKeyword],
+					node: decl,
+					index,
+					endIndex,
+					result,
+					ruleName,
+					fix,
+				});
+			});
+		});
+	};
+};
+
+rule.ruleName = ruleName;
+rule.messages = messages;
+rule.meta = meta;
+
+module.exports = rule;