Upgrade to NodeJS 18

.circleci/config.yml

@@ -1,54 +1,58 @@
-version: 2
+version: 2.1
+
+orbs:
+  browser-tools: circleci/[email protected]
 
 references:
   test-steps: &test-steps
     - checkout
     - restore_cache:
         keys:
-          - v3-dependencies-{{ .Environment.CIRCLE_JOB }}-{{ arch }}-{{ checksum "package.json" }}
+          - v4-dependencies-{{ .Environment.CIRCLE_JOB }}-{{ arch }}-{{ checksum "package.json" }}
+    - browser-tools/install-browser-tools
     - run: npm install
     - run: npm run build
     - run: npm run ${BUILDTARGET}
     - run: npm run ${TESTTARGET}
     - save_cache:
-        key: v3-dependencies-{{ .Environment.CIRCLE_JOB }}-{{ arch }}-{{ checksum "package.json" }}
+        key: v4-dependencies-{{ .Environment.CIRCLE_JOB }}-{{ arch }}-{{ checksum "package.json" }}
         paths:
           - node_modules
 
 jobs:
   unittest:
     docker:
-      - image: circleci/node:16-browsers
+      - image: cimg/node:18.12-browsers
     steps: *test-steps
     environment:
       BUILDTARGET: build:unittests
       TESTTARGET: test:unit
   uitest-firefox:
     docker:
-      - image: circleci/node:16-browsers
+      - image: cimg/node:18.12-browsers
     steps: *test-steps
     environment:
       BUILDTARGET: build:uitests
       TESTTARGET: test:ui firefox
   uitest-chrome:
     docker:
-      - image: circleci/node:16-browsers
+      - image: cimg/node:18.12-browsers
     steps: *test-steps
     environment:
       BUILDTARGET: build:uitests
       TESTTARGET: test:ui chrome
   lint:
     docker:
-      - image: circleci/node:16-browsers
+      - image: cimg/node:18.12
     steps:
       - checkout
       - restore_cache:
           keys:
-            - v3-dependencies-lint-node14-{{ arch }}-{{ checksum "package.json" }}
+            - v4-dependencies-lint-node14-{{ arch }}-{{ checksum "package.json" }}
       - run: npm install
       - run: npm run lint
       - save_cache:
-          key: v3-dependencies-lint-node14-{{ arch }}-{{ checksum "package.json" }}
+          key: v4-dependencies-lint-node14-{{ arch }}-{{ checksum "package.json" }}
           paths:
             - node_modules
   docker-build:

.nvmrc

@@ -1 +1 @@
-16
+18

Dockerfile

@@ -6,7 +6,7 @@
 
 # First, build Threema Web in a node container
 
-FROM docker.io/node:16 AS builder
+FROM docker.io/node:18 AS builder
 ENV NODE_ENV=production
 
 COPY . /opt/threema-web/

README.md

@@ -65,11 +65,11 @@ is documented [here](https://threema-ch.github.io/app-remote-protocol/).
 
 Threema Web is written using [TypeScript](https://www.typescriptlang.org/) and
 [AngularJS 1](https://www.angularjs.org/). Dependencies are managed with
-[npm](https://www.npmjs.com/). You currently need Node.js 16 to build Threema
+[npm](https://www.npmjs.com/). You currently need Node.js 18 to build Threema
 Web. (Note that Node.js is only a build dependency, the result is plain old
 client-side JavaScript.)
 
-If your default NodeJS version is not 16, use nvm to install it:
+If your default NodeJS version is not 18, use nvm to install it:
 
     nvm install
     nvm use