@adrianhelvik/bind - npm Package Compare versions

Comparing version 1.0.2 to 1.1.0

lib/index.js

@@ -12,2 +12,8 @@ "use strict";
 });
+Object.defineProperty(exports, "isObservable", {
+  enumerable: true,
+  get: function get() {
+    return _isObservable["default"];
+  }
+});
 Object.defineProperty(exports, "transaction", {
@@ -43,2 +49,8 @@ enumerable: true,
 });
+Object.defineProperty(exports, "unwrap", {
+  enumerable: true,
+  get: function get() {
+    return _unwrap["default"];
+  }
+});
 Object.defineProperty(exports, "debug", {
@@ -65,2 +77,4 @@ enumerable: true,
 
+var _isObservable = _interopRequireDefault(require("./isObservable.js"));
+
 var _transaction = _interopRequireDefault(require("./transaction.js"));
@@ -76,2 +90,4 @@
 
+var _unwrap = _interopRequireDefault(require("./unwrap.js"));
+
 var _debug = _interopRequireDefault(require("./debug.js"));
@@ -78,0 +94,0 @@

lib/observable.js

@@ -6,2 +6,4 @@ "use strict";
 });
+exports.isObservable = isObservable;
+exports.unwrap = unwrap;
 exports["default"] = exports.GET_BINDING = void 0;
@@ -19,4 +21,6 @@
 
+var IS_OBSERVABLE = Symbol('IS_OBSERVABLE');
 var GET_BINDING = Symbol('GET_BINDING');
 exports.GET_BINDING = GET_BINDING;
+var UNWRAP = Symbol('UNWRAP');
 var observables = new WeakMap();
@@ -27,2 +31,6 @@
 
+  if (isObservable(source)) {
+    return source;
+  }
+
   if (observables.has(source)) {
@@ -40,2 +48,10 @@ return observables.get(source);
     get: function get(target, property, receiver) {
+      if (property === UNWRAP) {
+        return source;
+      }
+
+      if (property === IS_OBSERVABLE) {
+        return true;
+      }
+
       if (property === GET_BINDING) {
@@ -123,2 +139,14 @@ return getBinding;
 var _default = observable;
-exports["default"] = _default;
+exports["default"] = _default;
+
+function isObservable(object) {
+  return object && object[IS_OBSERVABLE];
+}
+
+function unwrap(object) {
+  if (!isObservable(object)) {
+    return object;
+  }
+
+  return object[UNWRAP];
+}

lib/observable.spec.js

@@ -37,2 +37,14 @@ "use strict";
   expect(updated.size).toBe(1);
+});
+it('does not make multiple observables for one object', function () {
+  var real = {};
+  var obs1 = (0, _observable["default"])(real);
+  var obs2 = (0, _observable["default"])(real);
+  expect(obs1).toBe(obs2);
+});
+it('does not wrap observables in observables', function () {
+  var real = {};
+  var obs1 = (0, _observable["default"])(real);
+  var obs2 = (0, _observable["default"])(obs1);
+  expect(obs1).toBe(obs2);
 });

package.json

 {
   "name": "@adrianhelvik/bind",
-  "version": "1.0.2",
+  "version": "1.1.0",
   "main": "lib/index.js",
@@ -5,0 +5,0 @@ "module": "src/index.js",

src/index.js

 import revertTransaction from './revertTransaction.js'
+import isObservable from './isObservable.js'
 import transaction from './transaction.js'
@@ -7,2 +8,3 @@ import observable from './observable.js'
 import memoize from './memoize.js'
+import unwrap from './unwrap.js'
 import debug from './debug.js'
@@ -14,2 +16,3 @@ import batch from './batch.js'
   revertTransaction,
+  isObservable,
   transaction,
@@ -20,2 +23,3 @@ observable,
   memoize,
+  unwrap,
   debug,
@@ -22,0 +26,0 @@ batch,

src/observable.js

@@ -5,6 +5,11 @@ import { manager } from './state.js'
 
+const IS_OBSERVABLE = Symbol('IS_OBSERVABLE')
 export const GET_BINDING = Symbol('GET_BINDING')
+const UNWRAP = Symbol('UNWRAP')
 const observables = new WeakMap()
 
 function observable(source = {}) {
+  if (isObservable(source)) {
+    return source
+  }
   if (observables.has(source)) {
@@ -19,2 +24,10 @@ return observables.get(source)
     get(target, property, receiver) {
+      if (property === UNWRAP) {
+        return source
+      }
+
+      if (property === IS_OBSERVABLE) {
+        return true
+      }
+
       if (property === GET_BINDING) {
@@ -81,1 +94,12 @@ return getBinding
 export default observable
+
+export function isObservable(object) {
+  return object && object[IS_OBSERVABLE]
+}
+
+export function unwrap(object) {
+  if (!isObservable(object)) {
+    return object
+  }
+  return object[UNWRAP]
+}

src/observable.spec.js

@@ -33,1 +33,17 @@ import observable from './observable.js'
 })
+
+it('does not make multiple observables for one object', () => {
+  const real = {}
+  const obs1 = observable(real)
+  const obs2 = observable(real)
+
+  expect(obs1).toBe(obs2)
+})
+
+it('does not wrap observables in observables', () => {
+  const real = {}
+  const obs1 = observable(real)
+  const obs2 = observable(obs1)
+
+  expect(obs1).toBe(obs2)
+})

No alert changes

Improved metrics

Total package byte prevSize

84820

increased by3.45%

Number of package files

49

increased by8.89%

Lines of code

2511

increased by4.23%

No dependency changes