Add item page Javascript.

static/js/app.js

@@ -0,0 +1,30 @@
+var app = new Vue({
+  el: '#app',
+  data: {
+    searchTerms: '',
+    hits: [],
+    new_depicts: [],
+  },
+  methods: {
+    add_depicts(hit) {
+      this.new_depicts.push(hit);
+      this.hits = [];
+      this.searchTerms = '';
+    },
+    search(event) {
+      var terms = this.searchTerms;
+      if (terms.length < 3) {
+        this.hits = [];
+        return;
+      }
+
+      var vm = this;
+
+      fetch(lookup_url + '?terms=' + encodeURI(terms))
+        .then((res) => res.json())
+        .then((data) => {
+          vm.hits = data.hits;
+        })
+    }
+  },
+});