First commit.

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

client/node_modules/@iconify/utils/lib/loader/loader.js

@@ -0,0 +1,26 @@
+import { getCustomIcon } from "./custom.js";
+import { searchForIcon } from "./modern.js";
+const loadIcon = async (collection, icon, options) => {
+	const custom = options?.customCollections?.[collection];
+	if (custom) if (typeof custom === "function") {
+		let result;
+		try {
+			result = await custom(icon);
+		} catch (err) {
+			console.warn(`Failed to load custom icon "${icon}" in "${collection}":`, err);
+			return;
+		}
+		if (result) {
+			if (typeof result === "string") return await getCustomIcon(() => result, collection, icon, options);
+			if ("icons" in result) {
+				const ids = [
+					icon,
+					icon.replace(/([a-z])([A-Z])/g, "$1-$2").toLowerCase(),
+					icon.replace(/([a-z])(\d+)/g, "$1-$2")
+				];
+				return await searchForIcon(result, collection, ids, options);
+			}
+		}
+	} else return await getCustomIcon(custom, collection, icon, options);
+};
+export { loadIcon };