chore: Fix types

package.json

@@ -144,6 +144,7 @@
     "temp-dir": "2.X",
     "ts-node": "^10.9.2",
     "tslib": "^2.6.2",
+    "type-fest": "^4.18.2",
     "typescript": "^5.4.5",
     "watchexec-bin": "^1.0.0"
   }

src/generate.ts

@@ -22,7 +22,7 @@ import { createConfig } from './helpers/create-config';
 import { factoryGetSourceFile } from './helpers/factory-get-source-file';
 import { createGetModelName } from './helpers/get-model-name';
 import {
-  DMMF,
+  Document,
   EventArguments,
   Field,
   Model,
@@ -107,7 +107,7 @@ export async function generate(
     outputFilePattern: config.outputFilePattern,
     eventEmitter,
   });
-  const { datamodel, schema } = JSON.parse(JSON.stringify(dmmf)) as DMMF.Document;
+  const { datamodel, schema } = JSON.parse(JSON.stringify(dmmf)) as Document;
   const removeTypes = new Set<string>();
   const eventArguments: EventArguments = {
     schema,

src/handlers/combine-scalar-filters.ts

@@ -2,7 +2,7 @@ import AwaitEventEmitter from 'await-event-emitter';
 import { cloneDeep, keyBy, remove } from 'lodash';
 
 import { BeforeGenerateField } from '../event-names';
-import { DMMF, EventArguments, InputType } from '../types';
+import { EventArguments, InputType, SchemaArg } from '../types';
 
 /**
  * Subscribes on 'BeforeInputType'
@@ -28,7 +28,7 @@ function beforeInputType(
   }
 }
 
-function beforeGenerateField(field: DMMF.SchemaArg): void {
+function beforeGenerateField(field: SchemaArg): void {
   for (const fieldInput of field.inputTypes) {
     if (fieldInput.location !== 'inputObjectTypes') {
       continue;

src/handlers/model-data.ts

@@ -1,7 +1,7 @@
 import { createObjectSettings, ObjectSettings } from '../helpers/object-settings';
-import { DMMF, EventArguments, Field } from '../types';
+import { EventArguments, Field, Model } from '../types';
 
-export function modelData(model: DMMF.Model, args: EventArguments) {
+export function modelData(model: Model, args: EventArguments) {
   const {
     config,
     modelNames,

src/helpers/get-where-unique-at-least-keys.ts

@@ -16,7 +16,7 @@ export function getWhereUniqueAtLeastKeys(model: DMMF.Model) {
   return names;
 }
 
-function createFieldName(args: { name?: string | null; fields: string[] }) {
+function createFieldName(args: { name?: string | null; fields: Readonly<string[]> }) {
   const { name, fields } = args;
 
   return name || fields.join('_');

src/types.ts

@@ -1,16 +1,20 @@
 import { DMMF } from '@prisma/client/runtime/library';
 import AwaitEventEmitter from 'await-event-emitter';
 import { Project, SourceFile } from 'ts-morph';
+import type { WritableDeep } from 'type-fest';
 
 import { createConfig } from './helpers/create-config';
 import { ObjectSettings } from './helpers/object-settings';
 
-export type InputType = DMMF.InputType;
+export type InputType = WritableDeep<DMMF.InputType>;
 export type FieldLocation = DMMF.FieldLocation;
-export type OutputType = DMMF.OutputType;
-export type SchemaField = DMMF.SchemaField;
+export type OutputType = WritableDeep<DMMF.OutputType>;
+export type SchemaField = WritableDeep<DMMF.SchemaField>;
 export type SchemaEnum = DMMF.SchemaEnum;
-export type Model = DMMF.Model;
+export type Model = WritableDeep<DMMF.Model>;
+export type SchemaArg = WritableDeep<DMMF.SchemaArg>;
+export type Schema = WritableDeep<DMMF.Schema>;
+export type Document = WritableDeep<DMMF.Document>;
 
 export type FieldOutputType = SchemaField['outputType'];
 
@@ -28,7 +32,7 @@ export type TypeRecord = Partial<{
 export type GeneratorConfiguration = ReturnType<typeof createConfig>;
 
 export type EventArguments = {
-  schema: DMMF.Schema;
+  schema: Schema;
   models: Map<string, Model>;
   modelNames: string[];
   modelFields: Map<string, Map<string, Field>>;