Test on Node 18

* Replaced outdated `grunt-bg-shell`-package to get rid of
  coffee-script warnings

Backports parts of 785a63e.

.github/workflows/ci.yml

@@ -33,7 +33,7 @@ jobs:
       matrix:
         operating-system: ['ubuntu-latest', 'windows-latest']
         # https://nodejs.org/en/about/releases/
-        node-version: ['10', '12', '14', '16', '17']
+        node-version: ['10', '12', '14', '16', '18']
 
     steps:
       - name: Checkout
@@ -54,7 +54,7 @@ jobs:
 
       - name: Test (Integration)
         # https://github.com/webpack/webpack/issues/14532
-        if: ${{ matrix.node-version != '17' }}
+        if: ${{ matrix.node-version != '18' }}
         run: |
           cd ./tests/integration/rollup-test && ./test.sh && cd -
           cd ./tests/integration/webpack-babel-test && ./test.sh && cd -

Gruntfile.js

@@ -166,11 +166,9 @@ module.exports = function(grunt) {
       }
     },
 
-    bgShell: {
+    shell: {
       integrationTests: {
-        cmd: './tests/integration/run-integration-tests.sh',
-        bg: false,
-        fail: true
+        command: './tests/integration/run-integration-tests.sh'
       }
     },
 
@@ -195,7 +193,7 @@ module.exports = function(grunt) {
   grunt.loadNpmTasks('grunt-contrib-uglify');
   grunt.loadNpmTasks('grunt-contrib-watch');
   grunt.loadNpmTasks('grunt-babel');
-  grunt.loadNpmTasks('grunt-bg-shell');
+  grunt.loadNpmTasks('grunt-shell');
   grunt.loadNpmTasks('grunt-webpack');
 
   grunt.task.loadTasks('tasks');
@@ -214,7 +212,7 @@ module.exports = function(grunt) {
   // Requires secret properties from .travis.yaml
   grunt.registerTask('extensive-tests-and-publish-to-aws', [
     'default',
-    'bgShell:integrationTests',
+    'shell:integrationTests',
     'metrics',
     'publish-to-aws'
   ]);
@@ -234,6 +232,6 @@ module.exports = function(grunt) {
   );
   grunt.registerTask('integration-tests', [
     'default',
-    'bgShell:integrationTests'
+    'shell:integrationTests'
   ]);
 };

package.json

@@ -49,7 +49,6 @@
     "fs-extra": "^8.1.0",
     "grunt": "^1.0.4",
     "grunt-babel": "^5.0.0",
-    "grunt-bg-shell": "^2.3.3",
     "grunt-cli": "^1",
     "grunt-contrib-clean": "^1",
     "grunt-contrib-concat": "^1",
@@ -58,6 +57,7 @@
     "grunt-contrib-requirejs": "^1",
     "grunt-contrib-uglify": "^1",
     "grunt-contrib-watch": "^1.1.0",
+    "grunt-shell": "^4.0.0",
     "grunt-webpack": "^1.0.8",
     "husky": "^3.1.0",
     "jison": "~0.3.0",

tests/integration/multi-nodejs-test/test.sh

@@ -14,7 +14,7 @@ cd "$( dirname "$( readlink -f "$0" )" )" || exit 1
 unset npm_config_prefix
 
 echo "Handlebars should be able to run in various versions of NodeJS"
-for node_version_to_test in 0.10 0.12 4 5 6 7 8 9 10 11 12 13 14 15 16 17; do
+for node_version_to_test in 0.10 0.12 4 5 6 7 8 9 10 11 12 13 14 15 16 18; do
 
     rm target node_modules package-lock.json -rf
     mkdir target