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Schema directives do not support EnumValue arguments #1500

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Schema directives do not support EnumValue arguments#1500
@lkorth

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@lkorth
lkorth
opened on Apr 12, 2019

Schema directives currently only support built in scalars, are there any plans to add support for enums or any reason I shouldn't take a crack at adding them?

graphql-java/src/main/java/graphql/schema/idl/SchemaGeneratorHelper.java

Lines 155 to 183 in bd9240c

/**
* We support the basic types as directive types
*
* @param value the value to use
*
* @return a graphql input type
*/
public GraphQLInputType buildDirectiveInputType(Value value) {
if (value instanceof NullValue) {
return Scalars.GraphQLString;
}
if (value instanceof FloatValue) {
return Scalars.GraphQLFloat;
}
if (value instanceof StringValue) {
return Scalars.GraphQLString;
}
if (value instanceof IntValue) {
return Scalars.GraphQLInt;
}
if (value instanceof BooleanValue) {
return Scalars.GraphQLBoolean;
}
if (value instanceof ArrayValue) {
ArrayValue arrayValue = (ArrayValue) value;
return list(buildDirectiveInputType(getArrayValueWrappedType(arrayValue)));
}
return assertShouldNeverHappen("Directive values of type '%s' are not supported yet", value.getClass().getSimpleName());
}

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