install npm deps once

diff --git a/.travis.yml b/.travis.yml
index d0d8311fed6f2d1daba417c6eb19020008d7051b..87b546442f70388d160a11407edc86365466cd35 100644 (file)
--- a/.travis.yml
+++ b/.travis.yml
@@ -41,10 +41,9 @@ matrix:
             - xvfb
           before_install: cd editors/code
           install:
-            - npm install
+            - npm ci
             - npm run vscode:prepublish
           script:
-            - npm ci
             - npm run travis
           env:
             - CXX="g++-4.9", CC="gcc-4.9"