add IsoDateString type as an alias

src/constants.ts

@@ -0,0 +1,3 @@
+export const EXPORT_COMMENT = `// This file was @generated using pocketbase-typegen`
+export const DATE_STRING_TYPE_NAME = `IsoDateString`
+export const DATE_STRING_TYPE_DEFINITION = `export type ${DATE_STRING_TYPE_NAME} = string`

src/lib.ts

@@ -1,4 +1,9 @@
-import { CollectionRecord, FieldSchema, RecordOptions } from "./types"
+import { CollectionRecord, FieldSchema } from "./types"
+import {
+  DATE_STRING_TYPE_DEFINITION,
+  DATE_STRING_TYPE_NAME,
+  EXPORT_COMMENT,
+} from "./constants"
 import { fieldNameToGeneric, getGenericArgString } from "./generics"
 import { sanitizeFieldName, toPascalCase } from "./utils"
 
@@ -8,7 +13,7 @@ const pbSchemaTypescriptMap = {
   bool: "boolean",
   email: "string",
   url: "string",
-  date: "string",
+  date: DATE_STRING_TYPE_NAME,
   select: (fieldSchema: FieldSchema) =>
     fieldSchema.options.values
       ? fieldSchema.options.values.map((val) => `"${val}"`).join(" | ")
@@ -34,7 +39,8 @@ export function generate(results: Array<CollectionRecord>) {
   const sortedCollectionNames = collectionNames.sort()
 
   const fileParts = [
-    `// This file was @generated using pocketbase-typegen`,
+    EXPORT_COMMENT,
+    DATE_STRING_TYPE_DEFINITION,
     createCollectionEnum(sortedCollectionNames),
     ...recordTypes.sort(),
     createCollectionRecord(sortedCollectionNames),

test/__snapshots__/lib.test.ts.snap

@@ -29,6 +29,8 @@ exports[`createRecordType handles file fields with multiple files 1`] = `
 exports[`generate generates correct output given db input 1`] = `
 "// This file was @generated using pocketbase-typegen
 
+export type IsoDateString = string
+
 export enum Collections {
 	Books = "books",
 }

test/lib.test.ts

@@ -159,7 +159,7 @@ describe("createTypeField", () => {
         name: "dateField",
         type: "date",
       })
-    ).toEqual("\tdateField: string\n")
+    ).toEqual("\tdateField: IsoDateString\n")
     expect(
       createTypeField({
         ...defaultFieldSchema,