remove globals usages

sample/sample1-simple-entity/app.ts

@@ -1,5 +1,5 @@
 import "reflect-metadata"
-import { DataSourceOptions, createConnection } from "../../src/index"
+import { DataSource, DataSourceOptions } from "../../src/index"
 import { Post } from "./entity/Post"
 
 const options: DataSourceOptions = {
@@ -15,14 +15,15 @@ const options: DataSourceOptions = {
     entities: [Post],
 }
 
-createConnection(options).then(
-    async (connection) => {
+const dataSource = new DataSource(options)
+dataSource.initialize().then(
+    async (dataSource) => {
         let post = new Post()
         post.text = "Hello how are you?"
         post.title = "hello"
         post.likesCount = 100
 
-        let postRepository = connection.getRepository(Post)
+        let postRepository = dataSource.getRepository(Post)
 
         postRepository
             .save(post)

sample/sample10-mixed/app.ts

@@ -1,5 +1,5 @@
 import "reflect-metadata"
-import { DataSourceOptions, createConnection } from "../../src/index"
+import { DataSource, DataSourceOptions } from "../../src/index"
 import { Post } from "./entity/Post"
 import { PostDetails } from "./entity/PostDetails"
 import { Image } from "./entity/Image"
@@ -17,9 +17,11 @@ const options: DataSourceOptions = {
     entities: [__dirname + "/entity/*"],
 }
 
-createConnection(options)
-    .then((connection) => {
-        let postRepository = connection.getRepository(Post)
+const dataSource = new DataSource(options)
+dataSource
+    .initialize()
+    .then((dataSource) => {
+        let postRepository = dataSource.getRepository(Post)
 
         let postCover = new Cover()
         postCover.url = "http://covers.com/post.jpg"

sample/sample11-all-types-entity/app.ts

@@ -1,5 +1,5 @@
 import "reflect-metadata"
-import { DataSourceOptions, createConnection } from "../../src/index"
+import { DataSource, DataSourceOptions } from "../../src/index"
 import { EverythingEntity, SampleEnum } from "./entity/EverythingEntity"
 
 const options: DataSourceOptions = {
@@ -14,8 +14,9 @@ const options: DataSourceOptions = {
     entities: [EverythingEntity],
 }
 
-createConnection(options).then(
-    (connection) => {
+const dataSource = new DataSource(options)
+dataSource.initialize().then(
+    (dataSource) => {
         let entity = new EverythingEntity()
         entity.date = new Date(1980, 11, 1)
         entity.name = "max 255 chars name"
@@ -38,7 +39,7 @@ createConnection(options).then(
         entity.alsoJson = { hello: "olleh", world: "dlrow" }
         entity.enum = SampleEnum.ONE
 
-        let postRepository = connection.getRepository(EverythingEntity)
+        let postRepository = dataSource.getRepository(EverythingEntity)
 
         postRepository
             .save(entity)

sample/sample12-custom-naming-strategy/app.ts

@@ -1,5 +1,5 @@
 import "reflect-metadata"
-import { DataSourceOptions, createConnection } from "../../src/index"
+import { DataSource, DataSourceOptions } from "../../src/index"
 import { Post } from "./entity/Post"
 import { CustomNamingStrategy } from "./naming-strategy/CustomNamingStrategy"
 
@@ -15,13 +15,14 @@ const options: DataSourceOptions = {
     entities: [Post],
 }
 
-createConnection(options).then(
-    (connection) => {
+const dataSource = new DataSource(options)
+dataSource.initialize().then(
+    (dataSource) => {
         let post = new Post()
         post.text = "Hello how are you?"
         post.title = "hello"
 
-        let postRepository = connection.getRepository(Post)
+        let postRepository = dataSource.getRepository(Post)
 
         postRepository
             .save(post)

sample/sample13-everywhere-abstraction/app.ts

@@ -1,5 +1,5 @@
 import "reflect-metadata"
-import { DataSourceOptions, createConnection } from "../../src/index"
+import { DataSource, DataSourceOptions } from "../../src/index"
 import { Post } from "./entity/Post"
 import { PostCategory } from "./entity/PostCategory"
 import { PostAuthor } from "./entity/PostAuthor"
@@ -17,8 +17,9 @@ const options: DataSourceOptions = {
     entities: [__dirname + "/entity/*"],
 }
 
-createConnection(options).then(
-    (connection) => {
+const dataSource = new DataSource(options)
+dataSource.initialize().then(
+    (dataSource) => {
         let category1 = new PostCategory()
         category1.name = "post category #1"
 
@@ -53,8 +54,8 @@ createConnection(options).then(
         blog.title2312312 = "awesome title!"
         blog.categories.push(category1, category2)
 
-        let postRepository = connection.getRepository(Post)
-        let blogRepository = connection.getRepository(Blog)
+        let postRepository = dataSource.getRepository(Post)
+        let blogRepository = dataSource.getRepository(Blog)
 
         postRepository
             .save(post)

sample/sample14-errors-in-wrong-metdata/app.ts

@@ -1,5 +1,5 @@
 import "reflect-metadata"
-import { DataSourceOptions, createConnection } from "../../src/index"
+import { DataSource, DataSourceOptions } from "../../src/index"
 import { Post } from "./entity/Post"
 import { PostAuthor } from "./entity/PostAuthor"
 
@@ -14,8 +14,9 @@ const options: DataSourceOptions = {
     entities: [Post, PostAuthor],
 }
 
-createConnection(options).then(
-    (connection) => {
+const dataSource = new DataSource(options)
+dataSource.initialize().then(
+    (dataSource) => {
         let author = new PostAuthor()
         author.name = "Umed"
 
@@ -24,7 +25,7 @@ createConnection(options).then(
         post.title = "hello"
         post.author = author
 
-        let postRepository = connection.getRepository(Post)
+        let postRepository = dataSource.getRepository(Post)
 
         postRepository
             .save(post)

sample/sample16-indexes/app.ts

@@ -1,5 +1,5 @@
 import "reflect-metadata"
-import { DataSourceOptions, createConnection } from "../../src/index"
+import { DataSource, DataSourceOptions } from "../../src/index"
 import { Post } from "./entity/Post"
 import { BasePost } from "./entity/BasePost"
 
@@ -15,14 +15,15 @@ const options: DataSourceOptions = {
     entities: [Post, BasePost],
 }
 
-createConnection(options).then(
-    (connection) => {
+const dataSource = new DataSource(options)
+dataSource.initialize().then(
+    (dataSource) => {
         let post = new Post()
         post.text = "Hello how are you?"
         post.title = "hello"
         post.likesCount = 0
 
-        let postRepository = connection.getRepository(Post)
+        let postRepository = dataSource.getRepository(Post)
 
         postRepository
             .save(post)

sample/sample17-versioning/app.ts

@@ -1,5 +1,5 @@
 import "reflect-metadata"
-import { DataSourceOptions, createConnection } from "../../src/index"
+import { DataSource, DataSourceOptions } from "../../src/index"
 import { Post } from "./entity/Post"
 
 const options: DataSourceOptions = {
@@ -14,13 +14,14 @@ const options: DataSourceOptions = {
     entities: [Post],
 }
 
-createConnection(options).then(
-    (connection) => {
+const dataSource = new DataSource(options)
+dataSource.initialize().then(
+    (dataSource) => {
         let post = new Post()
         post.text = "Hello how are you?"
         post.title = "hello"
 
-        let postRepository = connection.getRepository(Post)
+        let postRepository = dataSource.getRepository(Post)
 
         postRepository
             .save(post)

sample/sample18-lazy-relations/app.ts

@@ -1,5 +1,5 @@
 import "reflect-metadata"
-import { DataSourceOptions, createConnection } from "../../src/index"
+import { DataSource, DataSourceOptions } from "../../src/index"
 import { Post } from "./entity/Post"
 import { Author } from "./entity/Author"
 import { Category } from "./entity/Category"
@@ -16,11 +16,12 @@ const options: DataSourceOptions = {
     entities: [Post, Author, Category],
 }
 
-createConnection(options).then(
-    (connection) => {
-        let postRepository = connection.getRepository(Post)
-        let authorRepository = connection.getRepository(Author)
-        let categoryRepository = connection.getRepository(Category)
+const dataSource = new DataSource(options)
+dataSource.initialize().then(
+    (dataSource) => {
+        let postRepository = dataSource.getRepository(Post)
+        let authorRepository = dataSource.getRepository(Author)
+        let categoryRepository = dataSource.getRepository(Category)
 
         let author = authorRepository.create()
         author.name = "Umed"

sample/sample19-one-side-relations/app.ts

@@ -1,5 +1,5 @@
 import "reflect-metadata"
-import { DataSourceOptions, createConnection } from "../../src/index"
+import { DataSource, DataSourceOptions } from "../../src/index"
 import { Post } from "./entity/Post"
 import { Author } from "./entity/Author"
 import { Category } from "./entity/Category"
@@ -17,12 +17,13 @@ const options: DataSourceOptions = {
     entities: [Post, Author, Category, PostMetadata],
 }
 
-createConnection(options).then(
-    (connection) => {
-        let postRepository = connection.getRepository(Post)
-        let authorRepository = connection.getRepository(Author)
-        let categoryRepository = connection.getRepository(Category)
-        let metadataRepository = connection.getRepository(PostMetadata)
+const dataSource = new DataSource(options)
+dataSource.initialize().then(
+    (dataSource) => {
+        let postRepository = dataSource.getRepository(Post)
+        let authorRepository = dataSource.getRepository(Author)
+        let categoryRepository = dataSource.getRepository(Category)
+        let metadataRepository = dataSource.getRepository(PostMetadata)
 
         let category1 = categoryRepository.create()
         category1.name = "Hello category1"

sample/sample2-one-to-one/app.ts

@@ -1,5 +1,5 @@
 import "reflect-metadata"
-import { DataSourceOptions, createConnection } from "../../src/index"
+import { DataSource, DataSourceOptions } from "../../src/index"
 import { Post } from "./entity/Post"
 import { PostDetails } from "./entity/PostDetails"
 import { PostCategory } from "./entity/PostCategory"
@@ -28,8 +28,9 @@ const options: DataSourceOptions = {
     ],
 }
 
-createConnection(options).then(
-    (connection) => {
+const dataSource = new DataSource(options)
+dataSource.initialize().then(
+    (dataSource) => {
         let details = new PostDetails()
         details.authorName = "Umed"
         details.comment = "about post"
@@ -40,7 +41,7 @@ createConnection(options).then(
         post.title = "hello"
         post.details = details
 
-        let postRepository = connection.getRepository(Post)
+        let postRepository = dataSource.getRepository(Post)
 
         postRepository
             .save(post)

sample/sample20-join-without-relation/app.ts

@@ -1,5 +1,5 @@
 import "reflect-metadata"
-import { DataSourceOptions, createConnection } from "../../src/index"
+import { DataSource, DataSourceOptions } from "../../src/index"
 import { Post } from "./entity/Post"
 import { Author } from "./entity/Author"
 import { Category } from "./entity/Category"
@@ -16,13 +16,14 @@ const options: DataSourceOptions = {
     entities: [Post, Author, Category],
 }
 
-createConnection(options).then(
-    (connection) => {
-        let entityManager = connection.manager
+const dataSource = new DataSource(options)
+dataSource.initialize().then(
+    (dataSource) => {
+        let entityManager = dataSource.manager
 
-        let postRepository = connection.getRepository(Post)
-        let authorRepository = connection.getRepository(Author)
-        let categoryRepository = connection.getRepository(Category)
+        let postRepository = dataSource.getRepository(Post)
+        let authorRepository = dataSource.getRepository(Author)
+        let categoryRepository = dataSource.getRepository(Category)
 
         let category1 = categoryRepository.create()
         category1.name = "Hello category1"

sample/sample21-custom-join-table-column/app.ts

@@ -1,5 +1,5 @@
 import "reflect-metadata"
-import { DataSourceOptions, createConnection } from "../../src/index"
+import { DataSource, DataSourceOptions } from "../../src/index"
 import { Post } from "./entity/Post"
 import { Author } from "./entity/Author"
 import { Category } from "./entity/Category"
@@ -16,9 +16,10 @@ const options: DataSourceOptions = {
     entities: [Post, Author, Category],
 }
 
-createConnection(options).then(
-    (connection) => {
-        let postRepository = connection.getRepository(Post)
+const dataSource = new DataSource(options)
+dataSource.initialize().then(
+    (dataSource) => {
+        let postRepository = dataSource.getRepository(Post)
 
         let author = new Author()
         author.name = "Umed"

sample/sample22-closure-table/app.ts

@@ -1,5 +1,5 @@
 import "reflect-metadata"
-import { DataSourceOptions, createConnection } from "../../src/index"
+import { DataSource, DataSourceOptions } from "../../src/index"
 import { Category } from "./entity/Category"
 
 const options: DataSourceOptions = {
@@ -14,9 +14,10 @@ const options: DataSourceOptions = {
     entities: [Category],
 }
 
-createConnection(options).then(
-    (connection) => {
-        let categoryRepository = connection.getTreeRepository(Category)
+const dataSource = new DataSource(options)
+dataSource.initialize().then(
+    (dataSource) => {
+        let categoryRepository = dataSource.getTreeRepository(Category)
 
         let childChildCategory1 = new Category()
         childChildCategory1.name = "Child #1 of Child #1 of Category #1"

sample/sample23-nested-joins/app.ts

@@ -1,5 +1,5 @@
 import "reflect-metadata"
-import { DataSourceOptions, createConnection } from "../../src/index"
+import { DataSource, DataSourceOptions } from "../../src/index"
 import { Post } from "./entity/Post"
 import { Author } from "./entity/Author"
 import { Category } from "./entity/Category"
@@ -16,9 +16,10 @@ const options: DataSourceOptions = {
     entities: [Post, Author, Category],
 }
 
-createConnection(options).then(
-    (connection) => {
-        let postRepository = connection.getRepository(Post)
+const dataSource = new DataSource(options)
+dataSource.initialize().then(
+    (dataSource) => {
+        let postRepository = dataSource.getRepository(Post)
 
         let category1 = new Category()
         category1.name = "category #1"