A Vue Composition API wrapper for vue(2.x) vue-router(3.x) vuex(3.x).
Let you use Composition API more conveniently in vue 2.x projects.
- Access Store via 
useStoreinsetup. - Access Route and Router via 
useRouteanduseRouterinsetup. - Add navigation guard via 
onBeforeRouteLeaveandonBeforeRouteUpdateinsetup. - Access the current Vue component instance context via 
getCurrentInstanceinsetup. - Support 
Typescript. 
# yarn
$ yarn add vue-composition-wrapper
# npm
$ npm i vue-composition-wrapper| Docs | Version | Support Vue version | Support vue-router version | 
|---|---|---|---|
| Core API for v1 | v1.5.3 | 
v2.6 and lower | 
- | 
| Core API for v2 | v2.1.4 | 
v2.7 | 
- | 
| Core API for v3 | v3.0.0 | 
v2.7 | 
^3.6.5 | 
- In current version of 
vue-compostion-wrapper, the dependency on@vue/compostion-apihas been removed. Directly use the built-in composition API ofvue@2.7. - Please install 
vue-compostion-wrapper@latest. The npm tag is now tagged as latest. 
# yarn
$ yarn add vue-composition-wrapper@latest
# npm 
$ npm i vue-composition-wrapper@latest- 
To use Composition API in
vue(~2.6.x), you need to use @vue/composition-api . - 
@vue/composition-apiis included as dependencies ofvue-composition-wrapper@1.x, so it will be installed automatically. If you already have@vue/composition-apiin your project, please uninstall it first. Because if your@vue/composition-apiversion is too low, it may cause problems. - 
Install
@vue/composition-apias a Vue plugin. 
// @/plugins/vue-compostion-api.js
import Vue from 'vue'
import VueCompositionAPI from '@vue/composition-api'
Vue.use(VueCompositionAPI)Then, import it in your main.js.
// ...
import '@/plugins/vue-composition-api.js'
// ...- If your project has not planned to upgrade 
vueto 2.7.x, and uses the 1.x version ofvue-composition-wrapper. Remember to lock the version updates ofvueandvue-template-compilerto the patch version of 2.6. 
{
  "dependencies": {
    "vue": "~2.6.14"
  },
  "devDependencies": {
    "vue-template-compiler": "~2.6.14"
  }
}