packages/prisma-fabbrica/src/scalar/types.ts

export type ScalarFieldGenerateOptions = {
  readonly modelName: string;
  readonly fieldName: string;
  readonly isUnique: boolean;
  readonly isId: boolean;
  readonly seq: number;
};

type Stricten<T extends {}> = {
  [K in keyof T]-?: T[K];
};

export interface ScalarFieldValueGenerator {
  Boolean?: (options: ScalarFieldGenerateOptions) => boolean;
  String?: (options: ScalarFieldGenerateOptions) => string;
  Int?: (options: ScalarFieldGenerateOptions) => number;
  Float?: (options: ScalarFieldGenerateOptions) => number;
  BigInt?: (options: ScalarFieldGenerateOptions) => bigint;
  Decimal?: (options: ScalarFieldGenerateOptions) => any;
  DateTime?: (options: ScalarFieldGenerateOptions) => Date;
  Bytes?: (options: ScalarFieldGenerateOptions) => Buffer;
  Json?: (options: ScalarFieldGenerateOptions) => any;
}

export type StrictScalarFieldValueGenerator = Stricten<ScalarFieldValueGenerator>;