Fixed overwriting beforeCreated hooks in compiled versions

Fixed overwriting beforeCreated hooks in compiled versions (#59). Thanks @ggregg

Bump dependencies, #56, #58

• bump dependencies
• #56 - Binding objects to props in the early stage (thanks @suil)
• #58 - [Vue warn]: Method "$emit" (thanks @ggregg)

Update Properties added via Mixin and Extend

Properties added via Mixin are not updated #31, thanks @SergejKasper

Avoid using eval

Avoid using eval in ES2015 detection (#26), thanks @benjarwar

Fix $emit, customEvent when Vue instance ready, bump dependencies

• Fix $emit behaviour - "Event-binding does not work, if custom elements are also used as vue-components" #25
• customEvent vce-ready when Vue instance ready
• bump dependencies

ESM build and fix Vue versions interfering

ESM build and fix Vue versions interfering (#12):

• ESM build (thanks @chimon2000)
• fix Vue versions interfering (thanks @adamgoose)

Fix not working slots in vue@1.x

Fix not working slots in vue@1.x

Fix not working slots in production build

Fix not working slots in production build

Ability to use CSS in Shadow DOM

Options object now accept shadowCss string that will be inserted into element's Shadow DOM.

Example:

import MyElement from './MyElement.vue';

Vue.customElement('my-element', MyElement, {
  shadow: true,
  shadowCss: `
  .card {
     background-color: blue;
  }`
});

v1.0.9

Use HMR (Hot Module Replacement) only in unminimized build.

• dist/vue-custom-element.js - unminimized build with HMR
• dist/vue-custom-element.min.js - productions build without HMR