graphql#GraphQLInputField TypeScript Examples

The following examples show how to use graphql#GraphQLInputField. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: helpers.ts    From amplify-codegen with Apache License 2.0 6 votes vote down vote up 
propertyFromInputField(field: GraphQLInputField) {
    return Object.assign(
      {},
      {
        propertyName: camelCase(field.name),
        typeName: this.typeNameFromGraphQLType(field.type),
        isOptional: !(field.type instanceof GraphQLNonNull),
        description: field.description || null,
        name: field.name,
      }
    );
  }
Example #2
Source File: comment.ts    From genql with MIT License 5 votes vote down vote up 
argumentComment = (arg: GraphQLArgument | GraphQLInputField) =>
  comment({
    text: arg.description,
  })
Example #3
Source File: types.ts    From tql with MIT License 4 votes vote down vote up 
transform = (
  ast: DocumentNode,
  schema: GraphQLSchema
): ASTVisitor => {
  // @note needed to serialize inline enum values correctly at runtime
  const enumValues = new Set<string>();

  return {
    [Kind.DIRECTIVE_DEFINITION]: () => null,

    [Kind.SCALAR_TYPE_DEFINITION]: () => null,

    [Kind.ENUM_TYPE_DEFINITION]: (node) => {
      const typename = node.name.value;
      const values = node.values?.map((v) => v.name.value) ?? [];

      const printMember = (member: string): string => {
        return `${member} = "${member}"`;
      };

      return code`
        export enum ${typename} {
          ${values.map(printMember).join(",\n")}
        }
      `;
    },

    [Kind.ENUM_VALUE_DEFINITION]: (node) => {
      enumValues.add(node.name.value);
      return null;
    },

    [Kind.INPUT_OBJECT_TYPE_DEFINITION]: (node) => {
      const typename = node.name.value;
      const type = schema.getType(typename);

      invariant(
        type instanceof GraphQLInputObjectType,
        `Type "${typename}" was not instance of expected class GraphQLInputObjectType.`
      );

      const fields = Object.values(type.getFields());

      const printField = (field: GraphQLInputField) => {
        const isList = listType(field.type);
        const isNonNull = isNonNullType(field.type);
        const baseType = inputType(field.type);

        let tsType: string;

        if (baseType instanceof GraphQLScalarType) {
          tsType = toPrimitive(baseType);
        } else if (baseType instanceof GraphQLEnumType) {
          tsType = baseType.name;
        } else if (baseType instanceof GraphQLInputObjectType) {
          tsType = "I" + baseType.name;
        } else {
          throw new Error("Unable to render inputField!");
        }

        return [
          field.name,
          isNonNull ? ":" : "?:",
          " ",
          tsType,
          isList ? "[]" : "",
        ].join("");
      };

      return code`
        export interface I${typename} {
          ${fields.map(printField).join("\n")}
        }
      `;
    },

    [Kind.OBJECT_TYPE_DEFINITION]: (node) => {
      const typename = node.name.value;
      const type = schema.getType(typename);

      invariant(
        type instanceof GraphQLObjectType,
        `Type "${typename}" was not instance of expected class GraphQLObjectType.`
      );

      const fields = Object.values(type.getFields());
      const interfaces = type.getInterfaces();

      // @note TypeScript only requires new fields to be defined on interface extendors
      const interfaceFields = interfaces.flatMap((i) =>
        Object.values(i.getFields()).map((field) => field.name)
      );
      const uncommonFields = fields.filter(
        (field) => !interfaceFields.includes(field.name)
      );

      // @todo extend any implemented interfaces
      // @todo only render fields unique to this type
      const extensions =
        interfaces.length > 0
          ? `extends ${interfaces.map((i) => "I" + i.name).join(", ")}`
          : "";

      return code`
        export interface I${typename} ${extensions} {
          readonly __typename: ${`"${typename}"`}
          ${uncommonFields.map(printField).join("\n")}
        }
      `;
    },

    [Kind.INTERFACE_TYPE_DEFINITION]: (node) => {
      const typename = node.name.value;
      const type = schema.getType(typename);

      invariant(
        type instanceof GraphQLInterfaceType,
        `Type "${typename}" was not instance of expected class GraphQLInterfaceType.`
      );

      // @note Get all implementors of this union
      const implementations = schema
        .getPossibleTypes(type)
        .map((type) => type.name);

      const fields = Object.values(type.getFields());

      return code`
        export interface I${typename} {
          readonly __typename: ${implementations
            .map((type) => `"${type}"`)
            .join(" | ")}
          ${fields.map(printField).join("\n")}
        }
      `;
    },

    [Kind.UNION_TYPE_DEFINITION]: (node) => {
      const typename = node.name.value;
      const type = schema.getType(typename);

      invariant(
        type instanceof GraphQLUnionType,
        `Type "${typename}" was not instance of expected class GraphQLUnionType.`
      );

      // @note Get all implementors of this union
      const implementations = schema
        .getPossibleTypes(type)
        .map((type) => type.name);

      return code`
        export type ${"I" + type.name} = ${implementations
        .map((type) => `I${type}`)
        .join(" | ")}
      `;
    },

    [Kind.SCHEMA_DEFINITION]: (_) => {
      return null;
    },
  };
}