added new em() shorthand for prototyping, added insertMany mutator function for seeding

app/__test__/data/mutation.simple.test.ts

@@ -16,7 +16,7 @@ describe("Mutator simple", async () => {
       new TextField("label", { required: true, minLength: 1 }),
       new NumberField("count", { default_value: 0 })
    ]);
-   const em = new EntityManager([items], connection);
+   const em = new EntityManager<any>([items], connection);
 
    await em.connection.kysely.schema
       .createTable("items")
@@ -175,4 +175,18 @@ describe("Mutator simple", async () => {
          { id: 8, label: "keep", count: 0 }
       ]);
    });
+
+   test("insertMany", async () => {
+      const oldCount = (await em.repo(items).count()).count;
+      const inserts = [{ label: "insert 1" }, { label: "insert 2" }];
+      const { data } = await em.mutator(items).insertMany(inserts);
+
+      expect(data.length).toBe(2);
+      expect(data.map((d) => ({ label: d.label }))).toEqual(inserts);
+      const newCount = (await em.repo(items).count()).count;
+      expect(newCount).toBe(oldCount + inserts.length);
+
+      const { data: data2 } = await em.repo(items).findMany();
+      expect(data2).toEqual(data);
+   });
 });

app/__test__/data/prototype.test.ts

@@ -13,6 +13,7 @@ import {
    PolymorphicRelation,
    TextField
 } from "../../src/data";
+import { DummyConnection } from "../../src/data/connection/DummyConnection";
 import {
    FieldPrototype,
    type FieldSchema,
@@ -21,6 +22,7 @@ import {
    boolean,
    date,
    datetime,
+   em,
    entity,
    enumm,
    json,
@@ -272,4 +274,29 @@ describe("prototype", () => {
 
       const obj: Schema<typeof test> = {} as any;
    });
+
+   test("schema", async () => {
+      const _em = em(
+         {
+            posts: entity("posts", { name: text() }),
+            comments: entity("comments", { some: text() })
+         },
+         (relation, { posts, comments }) => {
+            relation(posts).manyToOne(comments);
+         }
+      );
+
+      type LocalDb = (typeof _em)["DB"];
+
+      const es = [
+         new Entity("posts", [new TextField("name")]),
+         new Entity("comments", [new TextField("some")])
+      ];
+      const _em2 = new EntityManager(es, new DummyConnection(), [
+         new ManyToOneRelation(es[0], es[1])
+      ]);
+
+      // @ts-ignore
+      expect(_em2.toJSON()).toEqual(_em.toJSON());
+   });
 });

app/__test__/data/specs/Mutator.spec.ts

@@ -22,7 +22,7 @@ describe("[data] Mutator (base)", async () => {
       new TextField("hidden", { hidden: true }),
       new TextField("not_fillable", { fillable: false })
    ]);
-   const em = new EntityManager([entity], dummyConnection);
+   const em = new EntityManager<any>([entity], dummyConnection);
    await em.schema().sync({ force: true });
 
    const payload = { label: "item 1", count: 1 };
@@ -61,7 +61,7 @@ describe("[data] Mutator (ManyToOne)", async () => {
    const posts = new Entity("posts", [new TextField("title")]);
    const users = new Entity("users", [new TextField("username")]);
    const relations = [new ManyToOneRelation(posts, users)];
-   const em = new EntityManager([posts, users], dummyConnection, relations);
+   const em = new EntityManager<any>([posts, users], dummyConnection, relations);
    await em.schema().sync({ force: true });
 
    test("RelationMutator", async () => {
@@ -192,7 +192,7 @@ describe("[data] Mutator (OneToOne)", async () => {
    const users = new Entity("users", [new TextField("username")]);
    const settings = new Entity("settings", [new TextField("theme")]);
    const relations = [new OneToOneRelation(users, settings)];
-   const em = new EntityManager([users, settings], dummyConnection, relations);
+   const em = new EntityManager<any>([users, settings], dummyConnection, relations);
    await em.schema().sync({ force: true });
 
    test("insertOne: missing ref", async () => {
@@ -276,7 +276,7 @@ describe("[data] Mutator (ManyToMany)", async () => {
 
 describe("[data] Mutator (Events)", async () => {
    const entity = new Entity("test", [new TextField("label")]);
-   const em = new EntityManager([entity], dummyConnection);
+   const em = new EntityManager<any>([entity], dummyConnection);
    await em.schema().sync({ force: true });
    const events = new Map<string, any>();