IconGrid: extract empty state into Warn component

The empty state now renders a Warn component, which can be used to show
empty queries, or to show an arbitrary error message.

src/components/IconGrid/IconGrid.tsx

@@ -2,19 +2,15 @@ import React, { useRef, useEffect } from "react";
 import { useRecoilValue } from "recoil";
 import { motion, useAnimation } from "framer-motion";
 import { useWindowSize } from "react-use";
-import { IconContext, Warning } from "phosphor-react";
+import { IconContext } from "phosphor-react";
 
-import {
-  iconStyleAtom,
-  iconSizeAtom,
-  iconColorAtom,
-  searchQueryAtom,
-} from "../../state/atoms";
+import { iconStyleAtom, iconSizeAtom, iconColorAtom } from "../../state/atoms";
 import {
   filteredQueryResultsSelector,
   isDarkThemeSelector,
 } from "../../state/selectors";
 import GridItem from "./IconGridItem";
+import Warn from "../Warn/Warn";
 import "./IconGrid.css";
 
 type IconGridProps = {};
@@ -23,7 +19,6 @@ const IconGrid: React.FC<IconGridProps> = () => {
   const weight = useRecoilValue(iconStyleAtom);
   const size = useRecoilValue(iconSizeAtom);
   const color = useRecoilValue(iconColorAtom);
-  const query = useRecoilValue(searchQueryAtom);
   const isDark = useRecoilValue(isDarkThemeSelector);
 
   const { width } = useWindowSize();
@@ -38,22 +33,7 @@ const IconGrid: React.FC<IconGridProps> = () => {
     controls.start("visible");
   }, [controls, filteredQueryResults]);
 
-  if (!filteredQueryResults.length)
-    return (
-      <div style={isDark ? { backgroundColor: "#35313D", color: "white" } : {}}>
-        <motion.div
-          className="empty-list"
-          initial={{ opacity: 0 }}
-          animate={{ opacity: 1 }}
-          transition={{ duration: 0.5 }}
-        >
-          <Warning size={128} color="currentColor" weight="fill" />
-          <p>
-            No results for '<code>{query}</code>'
-          </p>
-        </motion.div>
-      </div>
-    );
+  if (!filteredQueryResults.length) return <Warn />;
 
   return (
     <IconContext.Provider value={{ weight, size, color, mirrored: false }}>

src/components/Warn/Warn.tsx

@@ -0,0 +1,36 @@
+import React from "react";
+import { motion } from "framer-motion";
+import { useRecoilValue } from "recoil";
+
+import { isDarkThemeSelector } from "../../state/selectors";
+import { searchQueryAtom } from "../../state/atoms";
+import { Warning } from "phosphor-react";
+
+interface WarnProps {
+  message?: string;
+}
+
+const Warn: React.FC<WarnProps> = ({ message }) => {
+  const isDark = useRecoilValue(isDarkThemeSelector);
+  const query = useRecoilValue(searchQueryAtom);
+
+  return (
+    <div style={isDark ? { backgroundColor: "#35313D", color: "white" } : {}}>
+      <motion.div
+        className="empty-list"
+        initial={{ opacity: 0 }}
+        animate={{ opacity: 1 }}
+        transition={{ duration: 0.5 }}
+      >
+        <Warning size={128} color="currentColor" weight="fill" />
+        {message ?? (
+          <p>
+            No results for '<code>{query}</code>'
+          </p>
+        )}
+      </motion.div>
+    </div>
+  );
+};
+
+export default Warn;