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This project demos the possibility of having Vaadin project in npm+webpack mode using Gradle. Please see the Starting a Vaadin project using Gradle for the documentation.
Prerequisites:
- Java 17 or higher
- Git
- (Optionally): Intellij Community
- (Optionally): Node.js and npm, if you have JavaScript/TypeScript customisations in your project.
- You can either let the Vaadin Gradle plugin to install
Node.js
andnpm/pnpm
for you automatically, or you can install it to your OS: - Windows: node.js Download site - use the .msi 64-bit installer
- Linux:
sudo apt install npm
- You can either let the Vaadin Gradle plugin to install
- The v24 branch (the default one) contains the example app for Vaadin latest version
- See other branches for other Vaadin versions.
Run the following command in this repo:
./gradlew clean bootRun
Now you can open the http://localhost:8080 with your browser.
Run the following command in this repo, to create necessary Vaadin config files:
./gradlew clean vaadinPrepareFrontend
The build/vaadin-generated/
folder will now contain proper configuration files.
Open the DemoApplication
class, and Run/Debug its main method from your IDE.
Now you can open the http://localhost:8080 with your browser.
Run the following command in this repo:
./gradlew clean build -Pvaadin.productionMode
That will build this app in production mode as a runnable jar archive; please find the jar file in build/libs/base-starter-spring-gradle*.jar
.
You can run the JAR file with:
cd build/libs/
java -jar base-starter-spring-gradle*.jar
Now you can open the http://localhost:8080 with your browser.
Usually the CI images will not have node.js+npm available. Vaadin uses pre-compiled bundle when possible, i.e. Node.js is not always needed. Or Vaadin Gradle Plugin will download Node.js for you automatically if it finds any front-end customisations, there is no need for you to do anything. To build your app for production in CI, just run:
./gradlew clean build -Pvaadin.productionMode