js: clean up scale a bit

be explicit about the underlying storage for first/third/etc

1 files changed, 13 insertions, 5 deletions

diff --git a/scale.mjs b/scale.mjs
index fe4e5f2..b781f14 100644
--- a/scale.mjs
+++ b/scale.mjs
@@ -39,26 +39,34 @@ class Scale {
         this.scale = scaleFromIntervals(root, intervals);
         return new Proxy(this, {
             get(target, prop) {
-                return target.scale[prop] || Reflect.get(...arguments);
+                if (prop in target) {
+                    return target[prop];
+                } else {
+                    return target.scale[prop] || Reflect.get(...arguments);
+                }
             }
         });
     }
 
     get root() {
-        return this[0];
+        return this.scale[0];
     }
 
     get third() {
-        return this[2];
+        return this.scale[2];
     }
 
     get fifth() {
-        return this[4];
+        return this.scale[4];
     }
 
     get length() {
         console.debug(`get length`, this.scale.length);
-        return this.intervals.length;
+        return this.scale.length;
+    }
+
+    toString() {
+        return `[${this.scale.join(", ")}]`;
     }
 }