First commit.

Signed-off-by: Chen Xiao <abigwc@gmail.com>

client/node_modules/@iconify/utils/lib/customisations/rotate.js

@@ -0,0 +1,30 @@
+/**
+* Get rotation value
+*/
+function rotateFromString(value, defaultValue = 0) {
+	const units = value.replace(/^-?[0-9.]*/, "");
+	function cleanup(value) {
+		while (value < 0) value += 4;
+		return value % 4;
+	}
+	if (units === "") {
+		const num = parseInt(value);
+		return isNaN(num) ? 0 : cleanup(num);
+	} else if (units !== value) {
+		let split = 0;
+		switch (units) {
+			case "%":
+				split = 25;
+				break;
+			case "deg": split = 90;
+		}
+		if (split) {
+			let num = parseFloat(value.slice(0, value.length - units.length));
+			if (isNaN(num)) return 0;
+			num = num / split;
+			return num % 1 === 0 ? cleanup(num) : 0;
+		}
+	}
+	return defaultValue;
+}
+export { rotateFromString };