graphql#isNamedType TypeScript Examples
The following examples show how to use
graphql#isNamedType.
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Example #1
Source File: renderTyping.ts From genql with MIT License | 5 votes |
render = (
type: GraphQLOutputType | GraphQLInputType,
nonNull: boolean,
root: boolean,
undefinableValues: boolean,
undefinableFields: boolean,
wrap: (x: string) => string = x => x
): string => {
if (root) {
if (undefinableFields) {
if (isNonNullType(type)) {
return `: ${render(type.ofType, true, false, undefinableValues, undefinableFields, wrap)}`
} else {
const rendered = render(type, true, false, undefinableValues, undefinableFields, wrap)
return undefinableValues ? `?: ${rendered}` : `?: (${rendered} | null)`
}
} else {
return `: ${render(type, false, false, undefinableValues, undefinableFields, wrap)}`
}
}
if (isNamedType(type)) {
let typeName = type.name
// if is a scalar use the scalar interface to not expose reserved words
if (isScalarType(type)) {
typeName = `Scalars['${typeName}']`
}
const typing = wrap(typeName)
if (undefinableValues) {
return nonNull ? typing : `(${typing} | undefined)`
} else {
return nonNull ? typing : `(${typing} | null)`
}
}
if (isListType(type)) {
const typing = `${render(type.ofType, false, false, undefinableValues, undefinableFields, wrap)}[]`
if (undefinableValues) {
return nonNull ? typing : `(${typing} | undefined)`
} else {
return nonNull ? typing : `(${typing} | null)`
}
}
return render((<GraphQLNonNull<any>>type).ofType, true, false, undefinableValues, undefinableFields, wrap)
}