feat: CIcon component - add 'use' prop, update typings

Author: woothu

src/CIconRaw.vue

@@ -1,17 +1,25 @@
 <template>
   <svg
-    v-if="!src"
+    v-if="!src && !use"
     xmlns="http://www.w3.org/2000/svg"
     :viewBox="viewBox"
     :class="computedClasses"
     v-html="titleCode + iconCode"
     role="img"
   ></svg>
   <img
-    v-else
+    v-else-if="src"
     :src="src"
     role="img"
   />
+  <svg
+    v-else-if="use"
+    xmlns="http://www.w3.org/2000/svg"
+    :class="computedClasses"
+    role="img"
+  >
+    <use :href="use"></use>
+  </svg>
 </template>
 
 <script>
@@ -29,7 +37,8 @@ export default {
     },
     customClasses: [String, Array, Object],
     src: String,
-    title: String
+    title: String,
+    use: String
   },
   computed: {
     iconName () {

src/index.d.ts

@@ -1,12 +1,13 @@
 import Vue from 'vue'
 
-export declare class CIcon extends Vue {
+export declare class CIconRaw extends Vue {
   name: string
   content: [string, Array<string>]
   size: string
   customClasses: [string, Array<any>, object]
   src: string
   title: string
+  use: string
 }
 
-export declare class CIconRaw extends CIcon {}
+export declare class CIcon extends CIconRaw {}