fix(core): load error while change data

examples/router.js

@@ -6,6 +6,7 @@ Vue.use(Router)
 
 export const TEST_ROUTES = [
   { path: '/columns-rows', name: 'data', component: () => import('./test/columns-rows.vue') },
+  { path: '/load', name: 'load', component: () => import('./test/load.vue') },
   { path: '/custom-props', name: 'options', component: () => import('./test/custom-props.vue') },
   { path: '/events', name: 'events', component: () => import('./test/events.vue') },
   { path: '/extend', name: 'extend', component: () => import('./test/extend.vue') },

examples/test/load.vue

@@ -0,0 +1,26 @@
+<template>
+  <div>
+    <button @click="load">加载数据</button>
+    <ve-line :data="chartData"></ve-line>
+  </div>
+</template>
+
+<script>
+import { VeLine } from '../../src/index.es'
+import { LINE_DATA } from '../test/data'
+export default {
+  data () {
+    return {
+      chartData: []
+    }
+  },
+  methods: {
+    load () {
+      setTimeout(_ => {
+        this.chartData = LINE_DATA
+      }, 1000)
+    }
+  },
+  components: { VeLine }
+}
+</script>

src/core.js

@@ -243,6 +243,7 @@ export default {
           setOptionOpts = false
         }
       }
+      if (this._isDestroyed) return
       this.echarts.setOption(options, setOptionOpts)
       this.$emit('ready', this.echarts, options, echartsLib)
       if (!this._once['ready-once']) {