import {createConnection} from "typeorm";

import {Author} from "./entity/Author";

import {Post} from "./entity/Post";

import {Category} from "./entity/Category";

createConnection({

type: "sqljs",

location: "test",

autoSave: true,

entities: [

Author,

Post,

Category

],

logging: ['query', 'schema'],

synchronize: true

}).then(async connection => {

document.write("Writing new post...<br>");

const category1 = new Category();

category1.name = "TypeScript";

const category2 = new Category();

category2.name = "Programming";

const author = new Author();

author.name = "Person";

const post = new Post();

post.title = "Control flow based type analysis";

post.text = `TypeScript 2.0 implements a control flow-based type analysis for local variables and parameters.`;

post.categories = [category1, category2];

post.author = author;

const postRepository = connection.getRepository(Post);

await postRepository.save(post);

document.write("<br>Post has been save:<br>");

document.write("<pre>", JSON.stringify(post, null, 2), "</pre>");

console.log("Post has been saved: ", post);

}).catch(error => {

document.write("<b>Error: ", JSON.stringify(error, null, 2), "</b>");

console.log("Error: ", error)

});