Added support for node 13

Jenkinsfile

@@ -86,6 +86,26 @@ pipeline {
           }
         }
 
+        stage('Test on Node.js 13') {
+          agent {
+            dockerfile {
+              filename 'node13.Dockerfile'
+              dir 'dockerfiles'
+            }
+          }
+          steps {
+            timeout(20) {
+              retry(2) {
+                sh 'node --version'
+                sh 'npm --version'
+                sh 'npm install --unsafe-perm'
+                sh 'npm test'
+                publishCoverage adapters: [coberturaAdapter('output/coverage/jest/cobertura-coverage.xml')], sourceFileResolver: sourceFiles('STORE_LAST_BUILD')
+              }
+            }
+          }
+        }
+
       }
     }
   }

dockerfiles/node13.Dockerfile

@@ -0,0 +1,13 @@
+# A minimal Docker image with Node and Puppeteer
+#
+# Based upon:
+# https://github.com/GoogleChrome/puppeteer/blob/master/docs/troubleshooting.md#running-puppeteer-in-docker
+
+FROM node:13-stretch
+
+RUN wget -q -O - https://dl-ssl.google.com/linux/linux_signing_key.pub | apt-key add - \
+  && sh -c 'echo "deb [arch=amd64] http://dl.google.com/linux/chrome/deb/ stable main" >> /etc/apt/sources.list.d/google.list' \
+  && apt-get update \
+  && apt-get install -y google-chrome-unstable fonts-ipafont-gothic fonts-wqy-zenhei fonts-thai-tlwg fonts-kacst ttf-freefont \
+  --no-install-recommends \
+  && rm -rf /var/lib/apt/lists/*

packages/client/package.json

@@ -34,7 +34,7 @@
     "lib": "lib"
   },
   "engines": {
-    "node": "^8 || ^10 || ^11 || ^12"
+    "node": "^8 || ^10 || ^11 || ^12 || ^13"
   },
   "scripts": {
     "bundle": "npm run bundle:version && npm run bundle:latest",

packages/server/package.json

@@ -34,7 +34,7 @@
     "lib": "lib"
   },
   "engines": {
-    "node": "^8 || ^10 || ^11 || ^12"
+    "node": "^8 || ^10 || ^11 || ^12 || ^13"
   },
   "scripts": {
     "build": "tsc --build tsconfig.json",