[added] Symbol.observable: () => this

Provides interoperability with other Observable implementations

Author: appsforartists

dist/indefinite-observable.js

@@ -11,6 +11,7 @@
   "types": "src/index.ts",
   "typescript:main": "src/index.ts",
   "dependencies": {
+    "symbol-observable": "1.0.4"
   },
   "devDependencies": {
     "pundle": "1.1.11",

dist/index.js

@@ -14,6 +14,8 @@
  *  under the License.
  */
 
+import $$observable from 'symbol-observable';
+
 import {
   Unsubscribe,
   Subscription,
@@ -41,4 +43,13 @@ export default class IndefiniteObservable<T> {
 
     return { unsubscribe }
   }
+
+  /**
+   * Tells other libraries that know about observables that we are one.
+   *
+   * https://github.com/tc39/proposal-observable#observable
+   */
+  [$$observable](): IndefiniteObservable<T> {
+    return this;
+  }
 }

package.json

@@ -1616,6 +1616,10 @@ supports-color@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-2.0.0.tgz#535d045ce6b6363fa40117084629995e9df324c7"
 
+symbol-observable@^1.0.4:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/symbol-observable/-/symbol-observable-1.0.4.tgz#29bf615d4aa7121bdd898b22d4b3f9bc4e2aa03d"
+
 tar-pack@~3.3.0:
   version "3.3.0"
   resolved "https://registry.yarnpkg.com/tar-pack/-/tar-pack-3.3.0.tgz#30931816418f55afc4d21775afdd6720cee45dae"