1 files changed, 85 insertions, 0 deletions
diff --git a/app/assets/javascripts/blob/notebook/index.js b/app/assets/javascripts/blob/notebook/index.js
new file mode 100644
index 00000000000..9b8bfbfc8c0
--- /dev/null
+++ b/app/assets/javascripts/blob/notebook/index.js
@@ -0,0 +1,85 @@
+/* eslint-disable no-new */
+import Vue from 'vue';
+import VueResource from 'vue-resource';
+import NotebookLab from 'vendor/notebooklab';
+
+Vue.use(VueResource);
+Vue.use(NotebookLab);
+
+export default () => {
+  const el = document.getElementById('js-notebook-viewer');
+
+  new Vue({
+    el,
+    data() {
+      return {
+        error: false,
+        loadError: false,
+        loading: true,
+        json: {},
+      };
+    },
+    template: `
+      <div class="container-fluid md prepend-top-default append-bottom-default">
+        <div
+          class="text-center loading"
+          v-if="loading && !error">
+          <i
+            class="fa fa-spinner fa-spin"
+            aria-hidden="true"
+            aria-label="iPython notebook loading">
+          </i>
+        </div>
+        <notebook-lab
+          v-if="!loading && !error"
+          :notebook="json"
+          code-css-class="code white" />
+        <p
+          class="text-center"
+          v-if="error">
+          <span v-if="loadError">
+            An error occured whilst loading the file. Please try again later.
+          </span>
+          <span v-else>
+            An error occured whilst parsing the file.
+          </span>
+        </p>
+      </div>
+    `,
+    methods: {
+      loadFile() {
+        this.$http.get(el.dataset.endpoint)
+          .then((res) => {
+            this.json = res.json();
+            this.loading = false;
+          })
+          .catch((e) => {
+            if (e.status) {
+              this.loadError = true;
+            }
+
+            this.error = true;
+          });
+      },
+    },
+    mounted() {
+      if (gon.katex_css_url) {
+        const katexStyles = document.createElement('link');
+        katexStyles.setAttribute('rel', 'stylesheet');
+        katexStyles.setAttribute('href', gon.katex_css_url);
+        document.head.appendChild(katexStyles);
+      }
+
+      if (gon.katex_js_url) {
+        const katexScript = document.createElement('script');
+        katexScript.addEventListener('load', () => {
+          this.loadFile();
+        });
+        katexScript.setAttribute('src', gon.katex_js_url);
+        document.head.appendChild(katexScript);
+      } else {
+        this.loadFile();
+      }
+    },
+  });
+};