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TypeScriptPoet

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TypeScriptPoet is a Kotlin and Java API for generating .ts source files.

Source file generation can be useful when doing things such as annotation processing or interacting with metadata files (e.g., database schemas, protocol formats). By generating code, you eliminate the need to write boilerplate while also keeping a single source of truth for the metadata.

Example

Here's a HelloWorld file:

import {Observable} from 'rxjs/Observable';
import 'rxjs/add/observable/from';


class Greeter {

  private name: string;

  constructor(private name: string) {
  }

  greet(): Observable<string> {
    return Observable.from(`Hello $name`)}

}

And this is the code to generate it with TypeScriptPoet:

val observableTypeName = TypeName.importedType("@rxjs/Observable")

val testClass = ClassSpec.builder("Greeter")
   .addProperty("name", TypeName.STRING, false, Modifier.PRIVATE)
   .constructor(
      FunctionSpec.constructorBuilder()
         .addParameter("name", TypeName.STRING, false, Modifier.PRIVATE)
         .build()
   )
   .addFunction(
      FunctionSpec.builder("greet")
         .returns(TypeName.parameterizedType(observableTypeName, TypeName.STRING))
         .addCode("return %T.%N(`Hello \$name`)", observableTypeName, SymbolSpec.from("+rxjs/add/observable/from#Observable"))
         .build()
   )
   .build()

val file = FileSpec.builder("Greeter")
   .addClass(testClass)
   .build()

val out = StringWriter()
file.writeTo(out)

The KDoc catalogs the complete TypeScriptPoet API, which is inspired by JavaPoet.

Download

Download the latest .jar or depend via Maven:

<dependency>
  <groupId>io.outfoxx</groupId>
  <artifactId>typescriptpoet</artifactId>
  <version>1.1.2</version>
</dependency>

or Gradle:

compile 'io.outfoxx:typescriptpoet:1.1.2'

Snapshots of the development version are available in Sonatype's snapshots repository.

License

Copyright 2017 Outfox, Inc.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

   http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.