Update webpack dependencies

Change-type: patch

package.json

@@ -11,14 +11,14 @@
     "start": "./entry.sh",
     "build": "npm run release && webpack",
     "build:debug": "npm run release && npm run packagejson:copy",
-    "lint": "balena-lint -e ts -e js --typescript src/ test/ typings/ build-utils/ && tsc --noEmit && tsc --noEmit --project tsconfig.js.json",
+    "lint": "balena-lint -e ts -e js --typescript src/ test/ typings/ build-utils/ webpack.config.js && tsc --noEmit && tsc --noEmit --project tsconfig.js.json",
     "test": "npm run test-nolint",
     "posttest": "npm run lint",
     "test-nolint": "npm run test:build && TEST=1 mocha",
     "test:build": "npm run test-build && npm run testitems:copy && npm run packagejson:copy",
     "test:fast": "TEST=1 mocha --opts test/fast-mocha.opts",
     "test:debug": "npm run test:build && TEST=1 mocha --inspect-brk",
-    "prettify": "balena-lint -e ts -e js --typescript --fix src/ test/ typings/ build-utils/",
+    "prettify": "balena-lint -e ts -e js --typescript --fix src/ test/ typings/ build-utils/ webpack.config.js",
     "test-build": "tsc --project tsconfig.json",
     "release": "tsc --project tsconfig.release.json && cp -r build/src/* build && rm -rf build/src",
     "packagejson:copy": "cp package.json build/",
@@ -41,6 +41,7 @@
     "@types/chai": "^4.2.11",
     "@types/chai-as-promised": "^7.1.2",
     "@types/common-tags": "^1.8.0",
+    "@types/copy-webpack-plugin": "^6.0.0",
     "@types/dbus": "^1.0.0",
     "@types/dockerode": "^2.5.28",
     "@types/event-stream": "^3.3.34",
@@ -61,7 +62,9 @@
     "@types/sinon": "^7.5.2",
     "@types/sinon-chai": "^3.2.4",
     "@types/supertest": "^2.0.9",
+    "@types/terser-webpack-plugin": "^3.0.0",
     "@types/tmp": "^0.1.0",
+    "@types/webpack": "^4.41.17",
     "@types/yargs": "^15.0.5",
     "balena-register-device": "^6.1.6",
     "blinking": "~0.0.3",
@@ -71,7 +74,7 @@
     "chai-events": "0.0.1",
     "chokidar": "^3.3.1",
     "common-tags": "^1.8.0",
-    "copy-webpack-plugin": "^5.1.1",
+    "copy-webpack-plugin": "^6.0.2",
     "deep-object-diff": "^1.1.0",
     "docker-delta": "^2.2.9",
     "docker-progress": "^3.0.5",
@@ -79,7 +82,7 @@
     "duration-js": "^4.0.0",
     "event-stream": "3.3.4",
     "express": "^4.17.1",
-    "fork-ts-checker-webpack-plugin": "^4.1.3",
+    "fork-ts-checker-webpack-plugin": "^5.0.1",
     "fp-ts": "^2.5.3",
     "husky": "^4.2.5",
     "io-ts": "^2.1.2",
@@ -112,12 +115,12 @@
     "strict-event-emitter-types": "^2.0.0",
     "supertest": "^4.0.2",
     "tar-stream": "^2.1.2",
-    "terser-webpack-plugin": "^2.3.6",
+    "terser-webpack-plugin": "^3.0.5",
     "tmp": "^0.1.0",
-    "ts-loader": "^6.2.2",
+    "ts-loader": "^7.0.5",
-    "ts-node": "^8.10.1",
+    "ts-node": "^8.10.2",
     "typed-error": "^2.0.0",
-    "typescript": "^3.9.2",
+    "typescript": "^3.9.5",
     "webpack": "^4.43.0",
     "webpack-cli": "^3.3.11",
     "winston": "^3.2.1",

tsconfig.js.json

@@ -4,5 +4,5 @@
 		"noImplicitAny": false,
 		"checkJs": true
 	},
-	"include": ["src/**/*", "test/**/*", "typings/**/*.d.ts", "build-utils/**/*"]
+	"include": ["src/**/*", "test/**/*", "typings/**/*.d.ts", "build-utils/**/*", "webpack.config.js"]
 }

webpack.config.js

@@ -23,9 +23,9 @@ var externalModules = [
 	/mssql\/.*/,
 ];
 
-var requiredModules = [];
+let requiredModules = [];
-var maybeOptionalModules = [];
+let maybeOptionalModules = [];
-lookForOptionalDeps = function(sourceDir) {
+const lookForOptionalDeps = function (sourceDir) {
 	// We iterate over the node modules and mark all optional dependencies as external
 	var dirs = fs.readdirSync(sourceDir);
 	for (let dir of dirs) {
@@ -36,7 +36,7 @@ lookForOptionalDeps = function(sourceDir) {
 		}
 		try {
 			packageJson = JSON.parse(
-				fs.readFileSync(path.join(sourceDir, dir, '/package.json')),
+				fs.readFileSync(path.join(sourceDir, dir, '/package.json'), 'utf8'),
 			);
 		} catch (e) {
 			continue;
@@ -67,7 +67,7 @@ externalModules.push(
 
 console.log('Using the following dependencies as external:', externalModules);
 
-module.exports = function(env) {
+module.exports = function (env) {
 	return {
 		mode: env == null || !env.noOptimize ? 'production' : 'development',
 		devtool: 'none',
@@ -125,7 +125,7 @@ module.exports = function(env) {
 				},
 			],
 		},
-		externals: (context, request, callback) => {
+		externals: (_context, request, callback) => {
 			for (let m of externalModules) {
 				if (
 					(typeof m === 'string' && m === request) ||
@@ -142,12 +142,14 @@ module.exports = function(env) {
 			new ForkTsCheckerWebpackPlugin({
 				async: false,
 			}),
-			new CopyWebpackPlugin([
+			new CopyWebpackPlugin({
-				{
+				patterns: [
-					from: './build/migrations',
+					{
-					to: 'migrations',
+						from: './build/migrations',
-				},
+						to: 'migrations',
-			]),
+					},
+				],
+			}),
 			new webpack.ContextReplacementPlugin(
 				/\.\/migrations/,
 				path.resolve(__dirname, 'build/migrations'),