Adds Support for SQL Server Dialect (#68)

* add field mapping for sql server dialect

* Add changeset to PR

---------

Co-authored-by: Valtýr Örn Kjartansson <[email protected]>

Author: dylel

.changeset/twelve-panthers-turn.md

@@ -0,0 +1,5 @@
+---
+"prisma-kysely": minor
+---
+
+Added support for the Kysely SQL Server dialect

src/helpers/generateFieldType.ts

@@ -52,6 +52,19 @@ export const postgresqlTypeMap: TypeMap = {
   Unsupported: "unknown",
 };
 
+export const sqlServerTypeMap: TypeMap = {
+  BigInt: "number",
+  Boolean: "boolean",
+  Bytes: "Buffer",
+  DateTime: "Timestamp",
+  Decimal: "string",
+  Float: "number",
+  Int: "number",
+  Json: "unknown",
+  String: "string",
+  Unsupported: "unknown",
+};
+
 export const overrideType = (type: string, config: Config) => {
   switch (type) {
     case "String":
@@ -95,6 +108,10 @@ export const generateFieldTypeInner = (
       return (
         typeOverride || overrideType(type, config) || postgresqlTypeMap[type]
       );
+    case "sqlserver":
+      return (
+        typeOverride || overrideType(type, config) || sqlServerTypeMap[type]
+      );
   }
 };
 

src/utils/validateConfig.ts

@@ -16,6 +16,7 @@ export const configValidator = z
       z.literal("cockroachdb"),
       z.literal("mysql"),
       z.literal("sqlite"),
+      z.literal("sqlserver"),
     ]),
 
     // Output overrides