Introduced isBoxedObservable, fixes #804

mobxjs · Mar 1, 2017 · a4e2b0e · a4e2b0e
1 parent fd5658b
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,3 +1,7 @@
+# 3.1.1
+
+* Introduced `isBoxedObservable(value)`, fixes #804
+
 # 3.1.0
 
 ### Improved strict mode

diff --git a/src/mobx.ts b/src/mobx.ts
@@ -33,7 +33,7 @@ export { IInterceptable, IInterceptor                         } from "./types/in
 export { IListenable                                          } from "./types/listen-utils";
 export { IObjectWillChange, IObjectChange, IObservableObject, isObservableObject } from "./types/observableobject";
 
-export { IValueDidChange, IValueWillChange, IObservableValue } from "./types/observablevalue";
+export { IValueDidChange, IValueWillChange, IObservableValue, isObservableValue as isBoxedObservable } from "./types/observablevalue";
 export { IObservableArray, IArrayWillChange, IArrayWillSplice, IArrayChange, IArraySplice, isObservableArray } from "./types/observablearray";
 export { IKeyValueMap, ObservableMap, IMapEntries, IMapEntry, IMapWillChange, IMapChange, isObservableMap, map, IObservableMapInitialValues, IMap } from "./types/observablemap";
 

diff --git a/test/api.js b/test/api.js
@@ -25,6 +25,7 @@ test('correct api should be exposed', function(t) {
 		'intercept',
 		'isAction',
 		'isArrayLike',
+		'isBoxedObservable',
 		'isComputed',
 		'isModifierDescriptor',
 		'isObservable',

diff --git a/test/makereactive.js b/test/makereactive.js
@@ -67,6 +67,16 @@ test('isObservable', function(t) {
     t.end();
 })
 
+test('isBoxedObservable', function(t) {
+	t.equal(m.isBoxedObservable(m.observable({})), false);
+	t.equal(m.isBoxedObservable(m.computed(() => 3)), false);
+	t.equal(m.isBoxedObservable(m.observable(3)), true);
+	t.equal(m.isBoxedObservable(m.observable.box(3)), true);
+	t.equal(m.isBoxedObservable(m.observable.box({})), true);
+	t.equal(m.isBoxedObservable(m.observable.shallowBox({})), true);
+	t.end()
+})
+
 test('observable1', function(t) {
     m.extras.resetGlobalState();