feat: new /stats

src/core/node/hslToHex.ts

@@ -0,0 +1,22 @@
+const numberRegex = /\d+(\.\d+)?/g;
+
+/**
+ * Thanks to icl7126!
+ * https://stackoverflow.com/a/44134328/12294756
+ */
+export default function hslToHex(hsl: string) {
+  let [h, s, l] = Array.from(hsl.matchAll(numberRegex)).map((m) =>
+    parseFloat(m[0]),
+  );
+
+  l /= 100;
+  const a = (s * Math.min(l, 1 - l)) / 100;
+  const f = (n: number) => {
+    const k = (n + h / 30) % 12;
+    const color = l - a * Math.max(Math.min(k - 3, 9 - k, 1), -1);
+    return Math.round(255 * color)
+      .toString(16)
+      .padStart(2, '0'); // convert to Hex and prefix "0" if needed
+  };
+  return `#${f(0)}${f(8)}${f(4)}`;
+}