feat: update to prisma v3 (#37)

README.md

@@ -1,6 +1,6 @@
 # prisma-schema-transformer
 
-> **EXPERIMENTAL**
+> **EXPERIMENTAL FOR PRISMA V3**
 
 This project utilizes the [getDMMF](https://github.com/prisma/prisma/blob/023249752380976d797518e1350199895246d099/src/packages/sdk/src/engineCommands.ts#L45) method from `@prisma/sdk` to perform some post-processing work on generated Prisma schema, including the following.
 

package.json

@@ -33,14 +33,15 @@
     "lint": "xo --fix"
   },
   "dependencies": {
-    "prisma": "^2.20.0",
-    "@prisma/generator-helper": "^2.20.1",
-    "@prisma/sdk": "^2.20.1",
+    "@prisma/engine-core": "^3.2.1",
+    "@prisma/generator-helper": "^3.2.1",
+    "@prisma/sdk": "^3.2.1",
     "arg": "^4.1.3",
     "camelcase": "^6.0.0",
     "dotenv": "^8.2.0",
     "immer": "^9.0.6",
-    "pluralize": "^8.0.0"
+    "pluralize": "^8.0.0",
+    "prisma": "^3.2.1"
   },
   "devDependencies": {
     "@ava/typescript": "^1.1.1",

src/deserializer.ts

@@ -1,4 +1,5 @@
 import {ConnectorType, DataSource, DMMF, EnvValue, GeneratorConfig} from '@prisma/generator-helper/dist';
+import {printGeneratorConfig} from '@prisma/engine-core';
 
 export interface Field {
 	kind: DMMF.FieldKind;
@@ -125,7 +126,7 @@ function handleFields(fields: Field[]) {
 }
 
 function handleIdFields(idFields: string[]) {
-	return idFields.length > 0 ? `@@id([${idFields.join(', ')}])` : '';
+	return idFields && idFields.length > 0 ? `@@id([${idFields.join(', ')}])` : '';
 }
 
 function handleUniqueFieds(uniqueFields: string[][]) {
@@ -146,18 +147,6 @@ function handleProvider(provider: ConnectorType | string) {
 	return `provider = "${provider}"`;
 }
 
-function handleOutput(path: string | null) {
-	return path ? `output = "${path}"` : '';
-}
-
-function handleBinaryTargets(binaryTargets?: string[]) {
-	return binaryTargets?.length ? `binaryTargets = ${JSON.stringify(binaryTargets)}` : '';
-}
-
-function handlePreviewFeatures(previewFeatures: GeneratorConfig['previewFeatures']) {
-	return previewFeatures.length ? `previewFeatures = ${JSON.stringify(previewFeatures)}` : '';
-}
-
 function deserializeModel(model: Model) {
 	const {name, uniqueFields, dbName, idFields} = model;
 	const fields = model.fields as unknown as Field[];
@@ -182,18 +171,6 @@ datasource ${name} {
 }`;
 }
 
-function deserializeGenerator(generator: GeneratorConfig) {
-	const {binaryTargets, name, output, provider, previewFeatures} = generator;
-
-	return `
-generator ${name} {
-	${handleProvider(provider.value)}
-	${handleOutput(output?.value || null)}
-	${handleBinaryTargets(binaryTargets)}
-	${handlePreviewFeatures(previewFeatures)}
-}`;
-}
-
 function deserializeEnum({name, values, dbName}: DMMF.DatamodelEnum) {
 	const outputValues = values.map(({ name, dbName }) => {
 		let result = name
@@ -220,7 +197,7 @@ export async function datasourcesDeserializer(datasources: DataSource[]) {
 }
 
 export async function generatorsDeserializer(generators: GeneratorConfig[]) {
-	return generators.map(generator => deserializeGenerator(generator)).join('\n');
+	return generators.map(generator => printGeneratorConfig(generator)).join('\n');
 }
 
 export async function dmmfEnumsDeserializer(enums: DMMF.DatamodelEnum[]) {

src/transformer.ts

@@ -63,7 +63,7 @@ function transformModel(model: Model) {
 	});
 
 	const fixIdFieldsName = produce(fixUniqueName, draftModel => {
-		if (idFields.length > 0) {
+		if (idFields && idFields.length > 0) {
 			draftModel.idFields = idFields.map(eachIdField => camelcase(eachIdField));
 		}
 	});

test/snapshots/deserializer.ts.md

@@ -34,12 +34,9 @@ Generated by [AVA](https://avajs.dev).
     }␊
     ␊
     ␊
-    ␊
     generator client {␊
-    	provider = "prisma-client-js"␊
-    	output = "node_modules/@prisma/client"␊
-    	binaryTargets = ["native"]␊
-    	previewFeatures = ["orderByRelation","selectRelationCount"]␊
+      provider      = "prisma-client-js"␊
+      binaryTargets = ["native"]␊
     }␊
     ␊
     ␊