From a55fb7dcc031fab9fe5d49bd1f26e2aca7386b81 Mon Sep 17 00:00:00 2001
From: Thibault Duplessis <thibault.duplessis@gmail.com>
Date: Wed, 14 Mar 2018 11:08:36 -0500
Subject: [PATCH] fix bug when switching to a study chapter without analysis

---
 ui/analyse/src/study/serverEval.ts | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/ui/analyse/src/study/serverEval.ts b/ui/analyse/src/study/serverEval.ts
index 0fda9dfa91..eefaa61fcc 100644
--- a/ui/analyse/src/study/serverEval.ts
+++ b/ui/analyse/src/study/serverEval.ts
@@ -77,8 +77,10 @@ export function view(ctrl: ServerEvalCtrl): VNode {
         ctrl.lastPly(false);
         li.requestIdleCallback(() => {
           li.loadScript('/assets/javascripts/chart/acpl.js').then(() => {
-            li.advantageChart(ctrl.root.data, ctrl.root.trans, vnode.elm as HTMLElement);
-            ctrl.chartEl(vnode.elm as HTMLElement);
+            if (ctrl.root.data.analysis) {
+              li.advantageChart(ctrl.root.data, ctrl.root.trans, vnode.elm as HTMLElement);
+              ctrl.chartEl(vnode.elm as HTMLElement);
+            }
           });
         });
       }