Implement iterKeys and keyCount

dist/esm/index.mjs

@@ -32,6 +32,12 @@ export default sbp('sbp/selectors/register', {
             return aLen - filtered.length;
         }
     },
+    'okTurtles.data/iterKeys': function* () {
+        yield* _store.keys();
+    },
+    'okTurtles.data/keyCount': function () {
+        return _store.size;
+    },
     'okTurtles.data/apply': function (key, fn) {
         return fn(_store.get(key));
     }

dist/umd/index.cjs

@@ -46,6 +46,12 @@ var __importDefault = (this && this.__importDefault) || function (mod) {
                 return aLen - filtered.length;
             }
         },
+        'okTurtles.data/iterKeys': function* () {
+            yield* _store.keys();
+        },
+        'okTurtles.data/keyCount': function () {
+            return _store.size;
+        },
         'okTurtles.data/apply': function (key, fn) {
             return fn(_store.get(key));
         }

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@sbp/okturtles.data",
-  "version": "0.1.6",
+  "version": "0.1.7",
   "description": "Provides a useful in-memory datastore for SBP",
   "types": "dist/umd/index.d.cts",
   "main": "dist/umd/index.cjs",

src/index.test.ts

@@ -42,4 +42,16 @@ describe('[SBP] DATA domain', () => {
     assert.equal(typeof sbp('okTurtles.data/apply', 'test', String), 'string')
     assert.equal(sbp('okTurtles.data/apply', 'test', String), '1')
   })
+
+  it('should return the correct count', () => {
+    assert.equal(sbp('okTurtles.data/keyCount'), 3)
+  })
+
+  it('should iterate over keys', () => {
+    const iterator = sbp('okTurtles.data/iterKeys')
+    assert.deepEqual(iterator.next(), { done: false, value: 'test' })
+    assert.deepEqual(iterator.next(), { done: false, value: 'reset' })
+    assert.deepEqual(iterator.next(), { done: false, value: 'fnTestCollection' })
+    assert.deepEqual(iterator.next(), { done: true, value: undefined })
+  })
 })

src/index.ts

@@ -34,6 +34,12 @@ export default sbp('sbp/selectors/register', {
       return aLen - filtered.length
     }
   },
+  'okTurtles.data/iterKeys': function * (): IterableIterator<string> {
+    yield * _store.keys()
+  },
+  'okTurtles.data/keyCount': function (): number {
+    return _store.size
+  },
   'okTurtles.data/apply': function (key: unknown, fn: (arg: unknown) => unknown) {
     return fn(_store.get(key))
   }