gistfile1.txt

/* eslint-disable @typescript-eslint/ban-types */
/* eslint-disable @typescript-eslint/no-explicit-any */
import type { Prisma, PrismaClient, PrismaPromise } from "@prisma/client";
import type { CamelCase, Merge, SnakeCase, PascalCase } from "type-fest";
import { ColumnType } from "kysely";

export type KyselyOverrides = {
  [Model in Prisma.ModelName]?: {
    [P in keyof Table<Model>]?: ColumnType<any>;
  };
};

export type NamingConvention = "snake_case" | "camelCase" | "PascalCase";

type ChangeCase<Value, T extends NamingConvention> = T extends "PascalCase"
  ? PascalCase<Value>
  : T extends "camelCase"
  ? CamelCase<Value>
  : T extends "snake_case"
  ? SnakeCase<Value>
  : Value;

// A deep version of ChangeCaseProperties that respects Prisma scalar types
type ChangeCasePropertiesDeep<
  Value,
  Convention extends NamingConvention
> = Value extends Prisma.Decimal
  ? Value
  : Value extends Buffer
  ? Value
  : Value extends Function | Date | RegExp
  ? Value
  : Value extends Array<infer U>
  ? Array<ChangeCasePropertiesDeep<U, Convention>>
  : Value extends Set<infer U>
  ? Set<ChangeCasePropertiesDeep<U, Convention>>
  : {
      [K in keyof Value as ChangeCase<K, Convention>]: ChangeCasePropertiesDeep<
        Value[K],
        Convention
      >;
    };

// Hack to get the raw table types. We extract the ReturnType from a "findFirst" query
type Table<TableName extends Prisma.ModelName> = ReturnType<
  PrismaClient[CamelCase<TableName>]["findFirst"]
> extends PrismaPromise<infer T>
  ? NonNullable<T>
  : never;

export type Database<
  Overrides extends KyselyOverrides = Record<string, never>,
  TableConvention extends NamingConvention = "PascalCase",
  ColumnConvention extends NamingConvention = "camelCase"
> = {
  [P in Prisma.ModelName as ChangeCase<
    P,
    TableConvention
  >]: Overrides extends Record<string, never>
    ? ChangeCasePropertiesDeep<Table<P>, ColumnConvention>
    : Merge<
        ChangeCasePropertiesDeep<Table<P>, ColumnConvention>,
        ChangeCase<Overrides[P], ColumnConvention>
      >;
};