feat: add timeformat props

lib/json-viewer.vue

@@ -80,10 +80,15 @@ export default {
       type: String,
       default: 'jv-light'
     },
+    timeformat: {
+      type: Function,
+      default: value => value.toLocaleString(),
+    }
   },
   provide () {
     return {
       expandDepth: this.expandDepth,
+      timeformat: this.timeformat,
     }
   },
   data () {
@@ -93,11 +98,6 @@ export default {
       expandCode: this.expanded
     }
   },
-  watch: {
-    value() {
-      this.onResized()
-    }
-  },
   computed: {
     jvClass() {
       return 'jv-container ' + this.theme + (this.boxed ? ' boxed' : '')
@@ -112,6 +112,11 @@ export default {
       }
     }
   },
+  watch: {
+    value() {
+      this.onResized()
+    }
+  },
   mounted: function () {
     this.debounceResized = debounce(this.debResized.bind(this), 200);
     if (this.boxed && this.$refs.jsonBox) {