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node_modules/stylelint/lib/utils/isKeyframeSelector.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 keywords = require('../reference/keywords.cjs');
+
+const HAS_TIMELINE_RANGE = new RegExp(
+	`^(?:${[...keywords.namedTimelineRangeKeywords.values()].join('|')})\\s+(?:\\d+|\\d*\\.\\d+)%$`,
+	'i',
+);
+
+/**
+ * Check whether a string is a keyframe selector.
+ *
+ * @param {string} selector
+ * @returns {boolean}
+ */
+function isKeyframeSelector(selector) {
+	if (keywords.keyframeSelectorKeywords.has(selector)) {
+		return true;
+	}
+
+	// Percentages
+	if (/^(?:\d+|\d*\.\d+)%$/.test(selector)) {
+		return true;
+	}
+
+	if (HAS_TIMELINE_RANGE.test(selector)) {
+		return true;
+	}
+
+	return false;
+}
+
+module.exports = isKeyframeSelector;