Summary:
JavaGenerator is a Java-based implementation for generating codegen output from the parsed schema file. Right now the output is a hardcoded Java file. In the next commits, proper JavaGenerator impl will be added.
Changelog: [Internal]
Reviewed By: mdvacca
Differential Revision: D23100171
fbshipit-source-id: 1bef23e3dba4d8c222ebdece0edeb4435d388cd4
Summary:
Instead of applying configs from gradle scripts, this introduces a proper Gradle plugin to enable Codegen in an application or library project. In the build.gradle, one enables it by:
```
plugins {
id("com.android.application")
id("com.facebook.react.codegen") // <---
}
// ...
react { // <--- the new plugin extension
enableCodegen = System.getenv("USE_CODEGEN")
jsRootDir = file("$rootDir/RNTester")
reactNativeRootDir = file("$rootDir")
}
```
The plugin supports `react` plugin extension as demonstrated above. Adding this:
* automatically generates all TurboModule Java files via react-native-codegen **before the `preBuild` Gradle task**
* automatically adds the files to the `android {}` project configuration
* is done per project (build.gradle)
This will be the foundation for future React Native gradle plugin beyond just for react-native-codegen.
Changelog: [Internal]
Reviewed By: mdvacca
Differential Revision: D23065685
fbshipit-source-id: 4ea67e48fab33b238c0973463cdb00de8cdadfcc
Summary:
Using the same copies from react-native root dir.
Changelog: [Internal]
Reviewed By: mdvacca
Differential Revision: D22936067
fbshipit-source-id: 8484991f26d51085c6c45405a940e94624b35e06
Summary:
Instead of sourcing-in a .gradle file to setup codegen tasks in Gradle, let's define a proper `com.facebook.react.codegen` Gradle plugin, so that any Gradle project (lib/app) can include it via:
```
plugins {
id 'com.facebook.react.codegen'
}
```
The idea (not yet implemented in this commit) is to then allow those projects to add this section in the projects:
```
codegen {
enableCodegen = ...
jsRootDir = ...
}
```
This is more scalable and less hacky.
Important notes:
* The Gradle plugin should be prepared during the build, we're not going to publish it to Maven or other repo at this point.
* This setup is inspired by composite build setup explained here: https://ncorti.com/blog/gradle-plugins-and-composite-builds
* All android specific setup is added under `packages/react-native-codegen/android/` dir, but long term, we may want to move it up to `packages/react-native-codegen/` along side setup for other platforms.
* As part of this setup, the plugin will have an option (to be validated) to produce Java specs using https://github.com/square/javapoet
* This is the same library already used for React Native Android annotation processors
* This generator will not deal with parsing Flow types into schema, it will just takes in the schema and produce Java code
* We're evaluating whether JavaPoet is a better choice for Java code generation long term, vs building it in JS via string concatenation: https://github.com/facebook/react-native/blob/master/packages/react-native-codegen/src/generators/modules/GenerateModuleJavaSpec.js
* This commit produces a sample Java code, not the actual codegen output
Changelog: [Internal]
To try this out, run this Gradle task:
```
USE_CODEGEN=1 ./gradlew :ReactAndroid:generateJava
```
Reviewed By: JoshuaGross, mdvacca
Differential Revision: D22917315
fbshipit-source-id: 0b79dba939b73ff1305b4b4fd86ab897c7a48d53
Kevin Gozali