diff --git a/packages/app-cli/tests/support/plugins/codemirror_content_script/webpack.config.js b/packages/app-cli/tests/support/plugins/codemirror_content_script/webpack.config.js
index ec6c21ff26..47eafec065 100644
--- a/packages/app-cli/tests/support/plugins/codemirror_content_script/webpack.config.js
+++ b/packages/app-cli/tests/support/plugins/codemirror_content_script/webpack.config.js
@@ -233,7 +233,7 @@ function main(processArgv) {
 	const configs = {
 		// Builds the main src/index.ts and copy the extra content from /src to
 		// /dist including scripts, CSS and any other asset.
-		buildMain: pluginConfig,
+		buildMain: [pluginConfig],
 
 		// Builds the extra scripts as defined in plugin.config.json. When doing
 		// so, some JavaScript files that were copied in the previous might be
@@ -247,7 +247,7 @@ function main(processArgv) {
 		// run without this. So we give it an entry that we know is going to
 		// exist and output in the publish dir. Then the plugin will delete this
 		// temporary file before packaging the plugin.
-		createArchive: createArchiveConfig,
+		createArchive: [createArchiveConfig],
 	};
 
 	// If we are running the first config step, we clean up and create the build
@@ -270,4 +270,10 @@ try {
 	process.exit(1);
 }
 
+if (!exportedConfigs.length) {
+	// Nothing to do - for example where there are no external scripts to
+	// compile.
+	process.exit(0);
+}
+
 module.exports = exportedConfigs;
diff --git a/packages/app-cli/tests/support/plugins/content_script/webpack.config.js b/packages/app-cli/tests/support/plugins/content_script/webpack.config.js
index ec6c21ff26..47eafec065 100644
--- a/packages/app-cli/tests/support/plugins/content_script/webpack.config.js
+++ b/packages/app-cli/tests/support/plugins/content_script/webpack.config.js
@@ -233,7 +233,7 @@ function main(processArgv) {
 	const configs = {
 		// Builds the main src/index.ts and copy the extra content from /src to
 		// /dist including scripts, CSS and any other asset.
-		buildMain: pluginConfig,
+		buildMain: [pluginConfig],
 
 		// Builds the extra scripts as defined in plugin.config.json. When doing
 		// so, some JavaScript files that were copied in the previous might be
@@ -247,7 +247,7 @@ function main(processArgv) {
 		// run without this. So we give it an entry that we know is going to
 		// exist and output in the publish dir. Then the plugin will delete this
 		// temporary file before packaging the plugin.
-		createArchive: createArchiveConfig,
+		createArchive: [createArchiveConfig],
 	};
 
 	// If we are running the first config step, we clean up and create the build
@@ -270,4 +270,10 @@ try {
 	process.exit(1);
 }
 
+if (!exportedConfigs.length) {
+	// Nothing to do - for example where there are no external scripts to
+	// compile.
+	process.exit(0);
+}
+
 module.exports = exportedConfigs;
diff --git a/packages/app-cli/tests/support/plugins/dialog/webpack.config.js b/packages/app-cli/tests/support/plugins/dialog/webpack.config.js
index ec6c21ff26..47eafec065 100644
--- a/packages/app-cli/tests/support/plugins/dialog/webpack.config.js
+++ b/packages/app-cli/tests/support/plugins/dialog/webpack.config.js
@@ -233,7 +233,7 @@ function main(processArgv) {
 	const configs = {
 		// Builds the main src/index.ts and copy the extra content from /src to
 		// /dist including scripts, CSS and any other asset.
-		buildMain: pluginConfig,
+		buildMain: [pluginConfig],
 
 		// Builds the extra scripts as defined in plugin.config.json. When doing
 		// so, some JavaScript files that were copied in the previous might be
@@ -247,7 +247,7 @@ function main(processArgv) {
 		// run without this. So we give it an entry that we know is going to
 		// exist and output in the publish dir. Then the plugin will delete this
 		// temporary file before packaging the plugin.
-		createArchive: createArchiveConfig,
+		createArchive: [createArchiveConfig],
 	};
 
 	// If we are running the first config step, we clean up and create the build
@@ -270,4 +270,10 @@ try {
 	process.exit(1);
 }
 
+if (!exportedConfigs.length) {
+	// Nothing to do - for example where there are no external scripts to
+	// compile.
+	process.exit(0);
+}
+
 module.exports = exportedConfigs;
diff --git a/packages/app-cli/tests/support/plugins/editor_context_menu/webpack.config.js b/packages/app-cli/tests/support/plugins/editor_context_menu/webpack.config.js
index ec6c21ff26..47eafec065 100644
--- a/packages/app-cli/tests/support/plugins/editor_context_menu/webpack.config.js
+++ b/packages/app-cli/tests/support/plugins/editor_context_menu/webpack.config.js
@@ -233,7 +233,7 @@ function main(processArgv) {
 	const configs = {
 		// Builds the main src/index.ts and copy the extra content from /src to
 		// /dist including scripts, CSS and any other asset.
-		buildMain: pluginConfig,
+		buildMain: [pluginConfig],
 
 		// Builds the extra scripts as defined in plugin.config.json. When doing
 		// so, some JavaScript files that were copied in the previous might be
@@ -247,7 +247,7 @@ function main(processArgv) {
 		// run without this. So we give it an entry that we know is going to
 		// exist and output in the publish dir. Then the plugin will delete this
 		// temporary file before packaging the plugin.
-		createArchive: createArchiveConfig,
+		createArchive: [createArchiveConfig],
 	};
 
 	// If we are running the first config step, we clean up and create the build
@@ -270,4 +270,10 @@ try {
 	process.exit(1);
 }
 
+if (!exportedConfigs.length) {
+	// Nothing to do - for example where there are no external scripts to
+	// compile.
+	process.exit(0);
+}
+
 module.exports = exportedConfigs;
diff --git a/packages/app-cli/tests/support/plugins/events/webpack.config.js b/packages/app-cli/tests/support/plugins/events/webpack.config.js
index ec6c21ff26..47eafec065 100644
--- a/packages/app-cli/tests/support/plugins/events/webpack.config.js
+++ b/packages/app-cli/tests/support/plugins/events/webpack.config.js
@@ -233,7 +233,7 @@ function main(processArgv) {
 	const configs = {
 		// Builds the main src/index.ts and copy the extra content from /src to
 		// /dist including scripts, CSS and any other asset.
-		buildMain: pluginConfig,
+		buildMain: [pluginConfig],
 
 		// Builds the extra scripts as defined in plugin.config.json. When doing
 		// so, some JavaScript files that were copied in the previous might be
@@ -247,7 +247,7 @@ function main(processArgv) {
 		// run without this. So we give it an entry that we know is going to
 		// exist and output in the publish dir. Then the plugin will delete this
 		// temporary file before packaging the plugin.
-		createArchive: createArchiveConfig,
+		createArchive: [createArchiveConfig],
 	};
 
 	// If we are running the first config step, we clean up and create the build
@@ -270,4 +270,10 @@ try {
 	process.exit(1);
 }
 
+if (!exportedConfigs.length) {
+	// Nothing to do - for example where there are no external scripts to
+	// compile.
+	process.exit(0);
+}
+
 module.exports = exportedConfigs;
diff --git a/packages/app-cli/tests/support/plugins/jpl_test/webpack.config.js b/packages/app-cli/tests/support/plugins/jpl_test/webpack.config.js
index ec6c21ff26..47eafec065 100644
--- a/packages/app-cli/tests/support/plugins/jpl_test/webpack.config.js
+++ b/packages/app-cli/tests/support/plugins/jpl_test/webpack.config.js
@@ -233,7 +233,7 @@ function main(processArgv) {
 	const configs = {
 		// Builds the main src/index.ts and copy the extra content from /src to
 		// /dist including scripts, CSS and any other asset.
-		buildMain: pluginConfig,
+		buildMain: [pluginConfig],
 
 		// Builds the extra scripts as defined in plugin.config.json. When doing
 		// so, some JavaScript files that were copied in the previous might be
@@ -247,7 +247,7 @@ function main(processArgv) {
 		// run without this. So we give it an entry that we know is going to
 		// exist and output in the publish dir. Then the plugin will delete this
 		// temporary file before packaging the plugin.
-		createArchive: createArchiveConfig,
+		createArchive: [createArchiveConfig],
 	};
 
 	// If we are running the first config step, we clean up and create the build
@@ -270,4 +270,10 @@ try {
 	process.exit(1);
 }
 
+if (!exportedConfigs.length) {
+	// Nothing to do - for example where there are no external scripts to
+	// compile.
+	process.exit(0);
+}
+
 module.exports = exportedConfigs;
diff --git a/packages/app-cli/tests/support/plugins/json_export/webpack.config.js b/packages/app-cli/tests/support/plugins/json_export/webpack.config.js
index ec6c21ff26..47eafec065 100644
--- a/packages/app-cli/tests/support/plugins/json_export/webpack.config.js
+++ b/packages/app-cli/tests/support/plugins/json_export/webpack.config.js
@@ -233,7 +233,7 @@ function main(processArgv) {
 	const configs = {
 		// Builds the main src/index.ts and copy the extra content from /src to
 		// /dist including scripts, CSS and any other asset.
-		buildMain: pluginConfig,
+		buildMain: [pluginConfig],
 
 		// Builds the extra scripts as defined in plugin.config.json. When doing
 		// so, some JavaScript files that were copied in the previous might be
@@ -247,7 +247,7 @@ function main(processArgv) {
 		// run without this. So we give it an entry that we know is going to
 		// exist and output in the publish dir. Then the plugin will delete this
 		// temporary file before packaging the plugin.
-		createArchive: createArchiveConfig,
+		createArchive: [createArchiveConfig],
 	};
 
 	// If we are running the first config step, we clean up and create the build
@@ -270,4 +270,10 @@ try {
 	process.exit(1);
 }
 
+if (!exportedConfigs.length) {
+	// Nothing to do - for example where there are no external scripts to
+	// compile.
+	process.exit(0);
+}
+
 module.exports = exportedConfigs;
diff --git a/packages/app-cli/tests/support/plugins/menu/webpack.config.js b/packages/app-cli/tests/support/plugins/menu/webpack.config.js
index ec6c21ff26..47eafec065 100644
--- a/packages/app-cli/tests/support/plugins/menu/webpack.config.js
+++ b/packages/app-cli/tests/support/plugins/menu/webpack.config.js
@@ -233,7 +233,7 @@ function main(processArgv) {
 	const configs = {
 		// Builds the main src/index.ts and copy the extra content from /src to
 		// /dist including scripts, CSS and any other asset.
-		buildMain: pluginConfig,
+		buildMain: [pluginConfig],
 
 		// Builds the extra scripts as defined in plugin.config.json. When doing
 		// so, some JavaScript files that were copied in the previous might be
@@ -247,7 +247,7 @@ function main(processArgv) {
 		// run without this. So we give it an entry that we know is going to
 		// exist and output in the publish dir. Then the plugin will delete this
 		// temporary file before packaging the plugin.
-		createArchive: createArchiveConfig,
+		createArchive: [createArchiveConfig],
 	};
 
 	// If we are running the first config step, we clean up and create the build
@@ -270,4 +270,10 @@ try {
 	process.exit(1);
 }
 
+if (!exportedConfigs.length) {
+	// Nothing to do - for example where there are no external scripts to
+	// compile.
+	process.exit(0);
+}
+
 module.exports = exportedConfigs;
diff --git a/packages/app-cli/tests/support/plugins/multi_selection/webpack.config.js b/packages/app-cli/tests/support/plugins/multi_selection/webpack.config.js
index ec6c21ff26..47eafec065 100644
--- a/packages/app-cli/tests/support/plugins/multi_selection/webpack.config.js
+++ b/packages/app-cli/tests/support/plugins/multi_selection/webpack.config.js
@@ -233,7 +233,7 @@ function main(processArgv) {
 	const configs = {
 		// Builds the main src/index.ts and copy the extra content from /src to
 		// /dist including scripts, CSS and any other asset.
-		buildMain: pluginConfig,
+		buildMain: [pluginConfig],
 
 		// Builds the extra scripts as defined in plugin.config.json. When doing
 		// so, some JavaScript files that were copied in the previous might be
@@ -247,7 +247,7 @@ function main(processArgv) {
 		// run without this. So we give it an entry that we know is going to
 		// exist and output in the publish dir. Then the plugin will delete this
 		// temporary file before packaging the plugin.
-		createArchive: createArchiveConfig,
+		createArchive: [createArchiveConfig],
 	};
 
 	// If we are running the first config step, we clean up and create the build
@@ -270,4 +270,10 @@ try {
 	process.exit(1);
 }
 
+if (!exportedConfigs.length) {
+	// Nothing to do - for example where there are no external scripts to
+	// compile.
+	process.exit(0);
+}
+
 module.exports = exportedConfigs;
diff --git a/packages/app-cli/tests/support/plugins/post_messages/webpack.config.js b/packages/app-cli/tests/support/plugins/post_messages/webpack.config.js
index ec6c21ff26..47eafec065 100644
--- a/packages/app-cli/tests/support/plugins/post_messages/webpack.config.js
+++ b/packages/app-cli/tests/support/plugins/post_messages/webpack.config.js
@@ -233,7 +233,7 @@ function main(processArgv) {
 	const configs = {
 		// Builds the main src/index.ts and copy the extra content from /src to
 		// /dist including scripts, CSS and any other asset.
-		buildMain: pluginConfig,
+		buildMain: [pluginConfig],
 
 		// Builds the extra scripts as defined in plugin.config.json. When doing
 		// so, some JavaScript files that were copied in the previous might be
@@ -247,7 +247,7 @@ function main(processArgv) {
 		// run without this. So we give it an entry that we know is going to
 		// exist and output in the publish dir. Then the plugin will delete this
 		// temporary file before packaging the plugin.
-		createArchive: createArchiveConfig,
+		createArchive: [createArchiveConfig],
 	};
 
 	// If we are running the first config step, we clean up and create the build
@@ -270,4 +270,10 @@ try {
 	process.exit(1);
 }
 
+if (!exportedConfigs.length) {
+	// Nothing to do - for example where there are no external scripts to
+	// compile.
+	process.exit(0);
+}
+
 module.exports = exportedConfigs;
diff --git a/packages/app-cli/tests/support/plugins/register_command/webpack.config.js b/packages/app-cli/tests/support/plugins/register_command/webpack.config.js
index ec6c21ff26..47eafec065 100644
--- a/packages/app-cli/tests/support/plugins/register_command/webpack.config.js
+++ b/packages/app-cli/tests/support/plugins/register_command/webpack.config.js
@@ -233,7 +233,7 @@ function main(processArgv) {
 	const configs = {
 		// Builds the main src/index.ts and copy the extra content from /src to
 		// /dist including scripts, CSS and any other asset.
-		buildMain: pluginConfig,
+		buildMain: [pluginConfig],
 
 		// Builds the extra scripts as defined in plugin.config.json. When doing
 		// so, some JavaScript files that were copied in the previous might be
@@ -247,7 +247,7 @@ function main(processArgv) {
 		// run without this. So we give it an entry that we know is going to
 		// exist and output in the publish dir. Then the plugin will delete this
 		// temporary file before packaging the plugin.
-		createArchive: createArchiveConfig,
+		createArchive: [createArchiveConfig],
 	};
 
 	// If we are running the first config step, we clean up and create the build
@@ -270,4 +270,10 @@ try {
 	process.exit(1);
 }
 
+if (!exportedConfigs.length) {
+	// Nothing to do - for example where there are no external scripts to
+	// compile.
+	process.exit(0);
+}
+
 module.exports = exportedConfigs;
diff --git a/packages/app-cli/tests/support/plugins/selected_text/webpack.config.js b/packages/app-cli/tests/support/plugins/selected_text/webpack.config.js
index ec6c21ff26..47eafec065 100644
--- a/packages/app-cli/tests/support/plugins/selected_text/webpack.config.js
+++ b/packages/app-cli/tests/support/plugins/selected_text/webpack.config.js
@@ -233,7 +233,7 @@ function main(processArgv) {
 	const configs = {
 		// Builds the main src/index.ts and copy the extra content from /src to
 		// /dist including scripts, CSS and any other asset.
-		buildMain: pluginConfig,
+		buildMain: [pluginConfig],
 
 		// Builds the extra scripts as defined in plugin.config.json. When doing
 		// so, some JavaScript files that were copied in the previous might be
@@ -247,7 +247,7 @@ function main(processArgv) {
 		// run without this. So we give it an entry that we know is going to
 		// exist and output in the publish dir. Then the plugin will delete this
 		// temporary file before packaging the plugin.
-		createArchive: createArchiveConfig,
+		createArchive: [createArchiveConfig],
 	};
 
 	// If we are running the first config step, we clean up and create the build
@@ -270,4 +270,10 @@ try {
 	process.exit(1);
 }
 
+if (!exportedConfigs.length) {
+	// Nothing to do - for example where there are no external scripts to
+	// compile.
+	process.exit(0);
+}
+
 module.exports = exportedConfigs;
diff --git a/packages/app-cli/tests/support/plugins/settings/webpack.config.js b/packages/app-cli/tests/support/plugins/settings/webpack.config.js
index ec6c21ff26..47eafec065 100644
--- a/packages/app-cli/tests/support/plugins/settings/webpack.config.js
+++ b/packages/app-cli/tests/support/plugins/settings/webpack.config.js
@@ -233,7 +233,7 @@ function main(processArgv) {
 	const configs = {
 		// Builds the main src/index.ts and copy the extra content from /src to
 		// /dist including scripts, CSS and any other asset.
-		buildMain: pluginConfig,
+		buildMain: [pluginConfig],
 
 		// Builds the extra scripts as defined in plugin.config.json. When doing
 		// so, some JavaScript files that were copied in the previous might be
@@ -247,7 +247,7 @@ function main(processArgv) {
 		// run without this. So we give it an entry that we know is going to
 		// exist and output in the publish dir. Then the plugin will delete this
 		// temporary file before packaging the plugin.
-		createArchive: createArchiveConfig,
+		createArchive: [createArchiveConfig],
 	};
 
 	// If we are running the first config step, we clean up and create the build
@@ -270,4 +270,10 @@ try {
 	process.exit(1);
 }
 
+if (!exportedConfigs.length) {
+	// Nothing to do - for example where there are no external scripts to
+	// compile.
+	process.exit(0);
+}
+
 module.exports = exportedConfigs;
diff --git a/packages/app-cli/tests/support/plugins/toc/webpack.config.js b/packages/app-cli/tests/support/plugins/toc/webpack.config.js
index ec6c21ff26..47eafec065 100644
--- a/packages/app-cli/tests/support/plugins/toc/webpack.config.js
+++ b/packages/app-cli/tests/support/plugins/toc/webpack.config.js
@@ -233,7 +233,7 @@ function main(processArgv) {
 	const configs = {
 		// Builds the main src/index.ts and copy the extra content from /src to
 		// /dist including scripts, CSS and any other asset.
-		buildMain: pluginConfig,
+		buildMain: [pluginConfig],
 
 		// Builds the extra scripts as defined in plugin.config.json. When doing
 		// so, some JavaScript files that were copied in the previous might be
@@ -247,7 +247,7 @@ function main(processArgv) {
 		// run without this. So we give it an entry that we know is going to
 		// exist and output in the publish dir. Then the plugin will delete this
 		// temporary file before packaging the plugin.
-		createArchive: createArchiveConfig,
+		createArchive: [createArchiveConfig],
 	};
 
 	// If we are running the first config step, we clean up and create the build
@@ -270,4 +270,10 @@ try {
 	process.exit(1);
 }
 
+if (!exportedConfigs.length) {
+	// Nothing to do - for example where there are no external scripts to
+	// compile.
+	process.exit(0);
+}
+
 module.exports = exportedConfigs;
diff --git a/packages/app-cli/tests/support/plugins/withExternalModules/webpack.config.js b/packages/app-cli/tests/support/plugins/withExternalModules/webpack.config.js
index ec6c21ff26..47eafec065 100644
--- a/packages/app-cli/tests/support/plugins/withExternalModules/webpack.config.js
+++ b/packages/app-cli/tests/support/plugins/withExternalModules/webpack.config.js
@@ -233,7 +233,7 @@ function main(processArgv) {
 	const configs = {
 		// Builds the main src/index.ts and copy the extra content from /src to
 		// /dist including scripts, CSS and any other asset.
-		buildMain: pluginConfig,
+		buildMain: [pluginConfig],
 
 		// Builds the extra scripts as defined in plugin.config.json. When doing
 		// so, some JavaScript files that were copied in the previous might be
@@ -247,7 +247,7 @@ function main(processArgv) {
 		// run without this. So we give it an entry that we know is going to
 		// exist and output in the publish dir. Then the plugin will delete this
 		// temporary file before packaging the plugin.
-		createArchive: createArchiveConfig,
+		createArchive: [createArchiveConfig],
 	};
 
 	// If we are running the first config step, we clean up and create the build
@@ -270,4 +270,10 @@ try {
 	process.exit(1);
 }
 
+if (!exportedConfigs.length) {
+	// Nothing to do - for example where there are no external scripts to
+	// compile.
+	process.exit(0);
+}
+
 module.exports = exportedConfigs;
diff --git a/packages/generator-joplin/package.json b/packages/generator-joplin/package.json
index 871f75b81d..db83db102b 100644
--- a/packages/generator-joplin/package.json
+++ b/packages/generator-joplin/package.json
@@ -34,4 +34,4 @@
   "repository": "https://github.com/laurent22/generator-joplin",
   "license": "MIT",
   "private": true
-}
\ No newline at end of file
+}