state+components: reimplement 'isDark' as a selector

We now have a consolidated source of truth for whether the UI should us
dark mode to accomodate a light icon color. This is a recoil selector
that derives from iconColorAtom.

In addition, we renamed styleQueryAtom -> iconStyleAtom for consistency.

src/components/IconGrid/IconGrid.tsx

@@ -2,27 +2,26 @@ import React, { useRef, useEffect } from "react";
 import { useRecoilValue } from "recoil";
 import { motion, useAnimation } from "framer-motion";
 import { useWindowSize } from "react-use";
-import TinyColor from "tinycolor2";
 import { IconContext, Warning } from "phosphor-react";
 
 import {
-  styleQueryAtom,
+  iconStyleAtom,
   iconSizeAtom,
   iconColorAtom,
   searchQueryAtom,
 } from "../../state/atoms";
-import { filteredQueryResultsSelector } from "../../state/selectors";
+import { filteredQueryResultsSelector, isDarkThemeSelector } from "../../state/selectors";
 import GridItem from "./IconGridItem";
 import "./IconGrid.css";
 
 type IconGridProps = {};
 
-const IconGridAnimated: React.FC<IconGridProps> = () => {
-  const weight = useRecoilValue(styleQueryAtom);
+const IconGrid: React.FC<IconGridProps> = () => {
+  const weight = useRecoilValue(iconStyleAtom);
   const size = useRecoilValue(iconSizeAtom);
   const color = useRecoilValue(iconColorAtom);
   const query = useRecoilValue(searchQueryAtom);
-  const isDark = TinyColor(color).isLight();
+  const isDark = useRecoilValue(isDarkThemeSelector);
 
   const { width } = useWindowSize();
   const spans = Math.floor(Math.min(width - 32, 1120) / 168);
@@ -77,4 +76,4 @@ const IconGridAnimated: React.FC<IconGridProps> = () => {
   );
 };
 
-export default IconGridAnimated;
+export default IconGrid;

src/components/IconGrid/InfoPanel.tsx

@@ -5,7 +5,7 @@ import { saveAs } from "file-saver";
 import { Icon, Copy, X, CheckCircle, ArchiveDiskDot } from "phosphor-react";
 
 import {
-  styleQueryAtom,
+  iconStyleAtom,
   iconSizeAtom,
   iconColorAtom,
   iconPreviewOpenAtom,
@@ -37,7 +37,7 @@ interface InfoPanelProps {
 
 const InfoPanel: React.FC<InfoPanelProps> = (props) => {
   const { index, spans, isDark, name, Icon } = props;
-  const weight = useRecoilValue(styleQueryAtom);
+  const weight = useRecoilValue(iconStyleAtom);
   const size = useRecoilValue(iconSizeAtom);
   const color = useRecoilValue(iconColorAtom);
   const setOpen = useSetRecoilState(iconPreviewOpenAtom);