Upgrade to node v12

.circleci/config.yml

@@ -3,7 +3,7 @@ version: 2.1
 executors:
   node:
     docker:
-      - image: circleci/node:10.15
+      - image: cimg/node:12.18
 
 commands:
   checkout-and-dependencies:

appveyor.yml

@@ -1,11 +1,11 @@
 clone_depth: 5
 environment:
-  nodejs_version: "10.15"
+  nodejs_version: "12.18"
 platform: x64 # flow needs 64b platforms
 # Install scripts. (runs after repo cloning)
 install:
   # 1. Select the right node
-  - ps: Install-Product node $env:nodejs_version $env:platform
+  - ps: Update-NodeJsInstallation (Get-NodeJsLatestBuild $env:nodejs_version) $env:platform
   # 2. Setup the project
   - yarn install --frozen-lockfile
 

bin/pre-install.js

@@ -104,9 +104,7 @@ function parseExpectedNodeVersion() {
   const circleConfig = fs.readFileSync('.circleci/config.yml', {
     encoding: 'utf8',
   });
-  const expectedNodeVersion = /image: circleci\/node:([\d.]+)/.exec(
-    circleConfig
-  );
+  const expectedNodeVersion = /image: cimg\/node:([\d.]+)/.exec(circleConfig);
   if (!expectedNodeVersion) {
     throw new Error(
       `Couldn't extract the node version from .circleci/config.yml.`

package.json

@@ -28,7 +28,7 @@
     "start-examples": "ws -d examples/ -s index.html -p 4242",
     "start-docs": "docsify serve ./docs-user",
     "start-photon": "node res/photon/server",
-    "test": "cross-env LC_ALL=C NODE_ENV=test NODE_OPTIONS=--experimental-worker jest",
+    "test": "cross-env LC_ALL=C NODE_ENV=test jest",
     "test-all": "run-p --max-parallel 4 flow license-check lint test test-alex test-lockfile",
     "test-build-coverage": "jest --coverage --coverageReporters=html",
     "test-serve-coverage": "ws -d coverage/ -p 4343",

src/test/components/MenuButtons.test.js

@@ -9,7 +9,6 @@ import { MenuButtonsMetaInfo } from '../../components/app/MenuButtons/MetaInfo';
 import { render, fireEvent, wait } from 'react-testing-library';
 import { Provider } from 'react-redux';
 import { storeWithProfile } from '../fixtures/stores';
-import { TextEncoder } from 'util';
 import { stateFromLocation } from '../../app-logic/url-handling';
 import { ensureExists } from '../../utils/flow';
 import {
@@ -144,7 +143,7 @@ describe('app/MenuButtons', function() {
       if ((window: any).TextEncoder) {
         throw new Error('A TextEncoder was already on the window object.');
       }
-      (window: any).TextEncoder = TextEncoder;
+      (window: any).TextEncoder = new TextEncoder();
     });
 
     afterAll(async function() {