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node_modules/stylelint/lib/utils/findAnimationName.mjs

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+import postcssValueParser from 'postcss-value-parser';
+
+import { animationShorthandKeywords, basicKeywords } from '../reference/keywords.mjs';
+import getDimension from './getDimension.mjs';
+import isStandardSyntaxValue from './isStandardSyntaxValue.mjs';
+import isVariable from './isVariable.mjs';
+
+/** @typedef {import('postcss-value-parser').Node} Node */
+
+/**
+ * Get the animation name within an `animation` shorthand property value.
+ *
+ * @param {string} value
+ *
+ * @returns {Node[]}
+ */
+export default function findAnimationName(value) {
+	/** @type {Node[]} */
+	const animationNames = [];
+
+	const valueNodes = postcssValueParser(value);
+	const { nodes } = valueNodes;
+
+	// Handle `inherit`, `initial` and etc
+	if (nodes.length === 1 && nodes[0] && basicKeywords.has(nodes[0].value.toLowerCase())) {
+		return [nodes[0]];
+	}
+
+	let shouldBeIgnored = false;
+
+	valueNodes.walk((valueNode) => {
+		if (shouldBeIgnored) return;
+
+		if (valueNode.type === 'function') {
+			return false;
+		}
+
+		if (valueNode.type !== 'word') {
+			return;
+		}
+
+		const valueLowerCase = valueNode.value.toLowerCase();
+
+		// Ignore non-standard syntax
+		if (!isStandardSyntaxValue(valueLowerCase)) {
+			// Cannot find animation name if shorthand has non-standard syntax value (#5532)
+			shouldBeIgnored = true;
+			animationNames.length = 0; // clears animationNames
+
+			return;
+		}
+
+		// Ignore variables
+		if (isVariable(valueLowerCase)) {
+			return;
+		}
+
+		// Ignore keywords for other animation parts
+		if (animationShorthandKeywords.has(valueLowerCase)) {
+			return;
+		}
+
+		// Ignore numbers with units
+		const { unit } = getDimension(valueNode);
+
+		if (unit || unit === '') {
+			return;
+		}
+
+		animationNames.push(valueNode);
+	});
+
+	return animationNames;
+}