tiny refactor

lib/index.js

@@ -86,12 +86,12 @@ module.exports = {
    * @param {{ path: string; keypair: Keypair; }} config
    */
   init(peer, config) {
-    /** @type {Map<string, Goal>} */
-    const goals = new Map()
-    const listen = Obz()
+    // Constants:
+    const EMPTY_RANGE = /** @type {Range} */ ([1, 0])
 
-    /** @type {Range} */
-    const EMPTY_RANGE = [1, 0]
+    // State:
+    const goals = /** @type {Map<string, Goal>} */ (new Map())
+    const listen = Obz()
 
     /**
      * @private