GoaphQL
Command Line
# Installation
go get -u -v github.com/wenerme/goaphql/cmd/goaphql
graphql-java
# Generate
# Package com.github
# Name Github
goaphql generate graphql-java -s github.graphqls -P com.github -N GitHub
# same
goaphql g gj -s github.graphqls -P com.github -N GitHub
# Customization
# Dump templates
goaphql dump -t tmpl/graphql-java --prefix tmpl/graphql-java -d ./tpl
# Modify templats
# Add package-info.java
echo -e 'package {{Config.JavaPackage}};' > './tpl/Java#package-info.java.tmpl'
# Generate using modified templates
goaphql generate graphql-java -t ./tpl -s github.graphqls -P com.github -N GitHub
# Check the new file
cat out/me/wener/package-info.java
Dependencies
Generated depends on wenerme/jraphql .
<dependencies>
<dependency>
<groupId>me.wener.jraphql</groupId>
<artifactId>jraphql-graphql-java-adapter</artifactId>
<version>0.0.2</version>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>1.16.20</version>
<scope>provided</scope>
</dependency>
</dependencies>
Inside
Package | Description |
---|---|
gqlp | GraphQL Parser |
gqll | GraphQL Language representation |
gqlg | GraphQL Code generator |
cmd/goaphql | Command line tool |
GraphQL Language Extension
- Antlr Grammar GraphQL.g4
# 1. extend by name syntax
type MyQuery {
myUser(id:ID!):MyUser
}
extend Query by MyQuery
# 2. Allowed directives on directive definition, add DIRECTIVE_DEFINITION location
directive @JavaType(type:String) on DIRECTIVE_DEFINITION
directive @Auth(value:String) @JavaType(type:"Auth") on FIELD_DEFINITION;
# 3. Allowed schema has optional name
schema Test {
query: MyQuery
}
Roadmap
- Parse comment
- Extract java runtime to jraphql
- Implement golang runtime
- Implement golang codegen
- Implement graphql codegen