performance - parse color descriptions once

2026-10-02 18:58:12 +08:00 · 2018-04-30 20:20:50 -07:00
parent c98dd20cb3
commit 118248446e
5 changed files with 41 additions and 49 deletions
@@ -0,0 +1,19 @@
+import {scaleRGB} from "./scaleRGB";
+
+export const parseRGB = (c) => {
+  if (c[0] !== "#") {
+    const _c = c.replace(/[^\d,.]/g, '').split(',');
+    return [
+      scaleRGB(+_c[0]),
+      scaleRGB(+_c[1]),
+      scaleRGB(+_c[2])
+    ];
+  } else {
+    var parsedHex = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(c);
+    return [
+      scaleRGB(parseInt(parsedHex[1], 16)),
+      scaleRGB(parseInt(parsedHex[2], 16)),
+      scaleRGB(parseInt(parsedHex[3], 16))
+    ];
+  }
+};