add hw2

node_modules/khroma/dist/methods/change.js

@@ -0,0 +1,13 @@
+/* IMPORT */
+import _ from '../utils/index.js';
+import Color from '../color/index.js';
+/* MAIN */
+const change = (color, channels) => {
+    const ch = Color.parse(color);
+    for (const c in channels) {
+        ch[c] = _.channel.clamp[c](channels[c]);
+    }
+    return Color.stringify(ch);
+};
+/* EXPORT */
+export default change;