initial commit

.gitignore

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+node_modules/

animation-loop.js

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+import { Observable } from 'rxjs/Observable'
+import { Subject } from 'rxjs/Subject'
+import { animationFrame } from 'rxjs/scheduler/animationFrame'
+import 'rxjs/add/observable/of'
+import 'rxjs/add/observable/never'
+import 'rxjs/add/operator/repeat'
+import 'rxjs/add/operator/switchMap'
+
+const animationLoop = () => {
+    const frame = Observable
+        .of(null, animationFrame)
+        .repeat()
+
+    const noop = Observable.never()
+
+    const loop = new Subject()
+        .switchMap((active) => active ? frame : noop)
+
+    return {
+        start() {
+            loop.next(true)
+        },
+
+        stop() {
+            loop.next(false)
+        },
+
+        subscribe(observer) {
+            return loop.subscribe(observer)
+        }
+    }
+}
+
+export { animationLoop }

package.json

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+{
+  "name": "rxjs-animation-loop",
+  "version": "0.1.0",
+  "description": "This module provides a game / animation loop based upon requestAnimationFrame.",
+  "author": "Gareth Whittaker <[email protected]>",
+  "main": "animation-loop.js",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/garethwhittaker/rxjs-animation-loop"
+  },
+  "bugs": {
+    "url": "https://github.com/garethwhittaker/rxjs-animation-loop/issues"
+  },
+  "keywords": [
+    "animation loop",
+    "game loop",
+    "animationframe",
+    "requestanimationframe"
+  ],
+  "dependencies": {
+    "rxjs": "5.1.0"
+  },
+  "license": "MIT"
+}