Fix issues with npm install and npm version

.travis.yml

@@ -17,10 +17,6 @@ cache:
   directories:
     - $HOME/.npm
 
-env:
-  global:
-    - GCC_VERSION="4.8"
-
 services:
   # Virtual Framebuffer 'fake' X server for SFML
   - xvfb
@@ -40,7 +36,6 @@ addons:
     # Build dependencies:
     - cmake
     - p7zip-full
-    - g++-4.8
     # SFML dependencies:
     - libopenal-dev
     - libjpeg-dev
@@ -60,30 +55,24 @@ before_install:
   - sudo dpkg --force-all -i libstdc++6
 
 install:
-# Ensure we use a recent version of Node.js (and npm)
+# Ensure we use a recent version of Node.js (and npm).
   - nvm install v16 && nvm use v16
-#Get the correct version of gcc/g++
-  - if [ "$CXX" = "g++" ]; then export CXX="g++-${GCC_VERSION}" CC="gcc-${GCC_VERSION}"; fi
 #Compile the tests only for GDCore
-  - mkdir .build-tests
-  - cd .build-tests
-  - cmake -DBUILD_GDJS=FALSE -DBUILD_TESTS=TRUE -DCMAKE_CXX_COMPILER=$(which $CXX) -DCMAKE_C_COMPILER=$(which $CC) ..
-  - make -j 4
-  - cd ..
+  #- mkdir .build-tests
+  #- cd .build-tests
+  #- cmake -DBUILD_GDJS=FALSE -DBUILD_TESTS=TRUE -DCMAKE_CXX_COMPILER=$(which $CXX) -DCMAKE_C_COMPILER=$(which $CC) ..
+  #- make -j 4
+  #- cd ..
 # Install Emscripten (for GDevelop.js)
   - git clone https://github.com/juj/emsdk.git
-  - cd emsdk
-  - ./emsdk install 1.39.6
-  - ./emsdk activate 1.39.6
-  - source ./emsdk_env.sh
-  - cd ..
-# Install GDevelop.js dependencies and compile it
-  - cd GDevelop.js
-  - npm install -g grunt-cli
-  - npm install
-  - npm run build
-  - cd ..
+  - cd emsdk && ./emsdk install 1.39.6 && ./emsdk activate 1.39.6 && cd ..
+# Install GDevelop.js dependencies
+  - cd GDevelop.js && npm install && cd ..
+# Build GDevelop.js
+  - cd GDevelop.js && source ../emsdk/emsdk_env.sh && npm run build && cd ..
+  - nvm use v16 # Restore latest Node.js version.
 #Install newIDE tests dependencies
+  - npm -v
   - cd newIDE/app && npm install
   - cd ../..
 #Install GDJS tests dependencies

appveyor.yml

@@ -15,11 +15,15 @@ branches:
 init:
 - ps: ''
 install:
-- ps: Install-Product node 14
-# Build GDevelop.js (and run tests to ensure it works)
+- ps: Install-Product node 16
+# Build GDevelop.js (and run tests to ensure it works).
 - cmd: >-
     cd GDevelop.js
 
+    npm -v
+
+    npm install
+
     git clone https://github.com/juj/emsdk.git
 
     cd emsdk
@@ -28,18 +32,16 @@ install:
 
     emsdk activate 1.39.6
 
-    emsdk_env.bat
-
     cd ..
 
-    npm install
-
     npm run build
 
     cd ..
 
 # Build GDevelop IDE
-- cmd: >-
+- ps: >-
+    npm -v
+
     cd newIDE\app
 
     npm install
@@ -50,7 +52,7 @@ install:
 
     cd ..\..
 
-# Package the app for Windows (and sign it with the certificate set in environment variables). 
+# Package the app for Windows (and sign it with the certificate set in environment variables).
 # Don't sign the appx (it will be signed by the Microsoft Store).
 build_script:
 - ps: >-