feat(util): add vue runtime

Author: u3u

src/util/runtime.ts

@@ -0,0 +1,16 @@
+import Vue from 'vue';
+
+interface Runtime {
+  vm?: Vue;
+}
+
+const runtime: Runtime = {};
+
+export function getRuntimeVM(): Vue {
+  if (runtime.vm) return runtime.vm;
+  throw new ReferenceError('[vue-hooks] Not found vue instance.');
+}
+
+export function setRuntimeVM(this: Vue, vm?: Vue) {
+  runtime.vm = this || vm;
+}