fix: data (as a function) of component not got vm as argument in init function

Author: perymimon

Diff for: src/index.js

@@ -39,10 +39,10 @@ const AsyncComputed = {
           this.$options.computed[prefix + key] = getter
         }
 
-        this.$options.data = function vueAsyncComputedInjectedDataFn () {
+        this.$options.data = function vueAsyncComputedInjectedDataFn (vm) {
           const data = (
             (typeof optionData === 'function')
-              ? optionData.call(this)
+              ? optionData.call(this, vm)
               : optionData
           ) || {}
           for (const key in asyncComputed) {

Diff for: test/index.js

@@ -868,3 +868,20 @@ test("Plain components with neither `data` nor `asyncComputed` still work (issue
   })
   t.equal(vm.a, 1)
 })
+
+test('Data of component still work as function and got vm', t => {
+  t.plan(1)
+  let _vmContext = null
+  const vm = new Vue({
+    data (vmContext) {
+      _vmContext = vmContext
+    },
+    asyncComputed: {
+      async a () {
+        return Promise.resolve(1)
+      },
+    },
+
+  })
+  t.equal(vm, _vmContext)
+})