update ionic.4

Author: Fernando Leal

package.json

@@ -1,6 +1,6 @@
 {
   "name": "ionic-database-builder",
-  "version": "0.1.0-beta.2",
+  "version": "0.1.0-beta.3",
   "description": "Extended library from database-builder to assist in creating and maintaining SQL commands. Allowing integrate execute commands with SQLite ('@ionic-native/sqlite'), Web Sql, etc. Through the interface injection 'DatabaseCreatorContract' returning an implementation of 'DatabaseObject'.",
   "main": "index.js",
   "scripts": {
@@ -44,18 +44,18 @@
   },
   "homepage": "https://github.com/fernandocode/ionic-database-builder#readme",
   "dependencies": {
-    "@angular/core": "^5.0.0",
-    "database-builder": ">=0.1.0-beta.1"
+    "@angular/core": "~6.1.1",
+    "database-builder": ">=0.1.0-beta.3"
   },
   "devDependencies": {
-    "@angular/cli": "^1.7.4",
-    "@angular/core": "^5.0.0",
-    "@angular/common": "^5.0.0",
-    "@angular/compiler": "^5.0.0",
-    "@angular/compiler-cli": "^5.0.0",
-    "@angular/language-service": "^5.0.0",
-    "@angular/platform-browser": "^5.0.0",
-    "@angular/platform-browser-dynamic": "^5.0.0",
+    "@angular/cli": "~6.1.1",
+    "@angular/core": "~6.1.1",
+    "@angular/common": "~6.1.1",
+    "@angular/compiler": "~6.1.1",
+    "@angular/compiler-cli": "~6.1.1",
+    "@angular/language-service": "~6.1.1",
+    "@angular/platform-browser": "~6.1.1",
+    "@angular/platform-browser-dynamic": "~6.1.1",
     "@types/jasmine": "~2.8.3",
     "@types/jasminewd2": "~2.0.2",
     "@types/node": "~6.0.60",
@@ -69,11 +69,11 @@
     "karma-jasmine-html-reporter": "^0.2.2",
     "ng-packagr": "2.4.2",
     "protractor": "~5.1.2",
-    "rxjs": "^5.5.9",
     "ts-node": "~4.1.0",
     "tsickle": "0.27.5",
     "tslint": "~5.9.1",
-    "typescript": "~2.5.3",
+    "typescript": "~2.9.2",
+    "rxjs": "6.2.2",
     "zone.js": "^0.8.26"
   },
   "tsconfig": "./tsconfig.json"

src/providers/database-migration-contract.ts

@@ -1,8 +1,8 @@
 import { Injectable } from "@angular/core";
 import { Version } from "./../model/version-model";
-import { Observable } from "rxjs/Observable";
 import { DatabaseTransaction, GetMapper } from "database-builder";
 import { DatabaseResettableContract } from "./database-resettable-contract";
+import { Observable } from "rxjs";
 
 @Injectable()
 export abstract class DatabaseMigrationContract {

src/providers/database-migration.ts

@@ -1,6 +1,6 @@
 import { DatabaseSettingsFactoryContract } from "..";
 import { Version } from "./../model/version-model";
-import { Observable, Observer } from "rxjs";
+import { forkJoin, from, Observable, Observer } from "rxjs";
 import { Injectable, Injector, Optional } from "@angular/core";
 import { DatabaseTransaction, Ddl } from "database-builder";
 import { DatabaseMigrationContract } from "./database-migration-contract";
@@ -33,12 +33,12 @@ export class DatabaseMigration extends DatabaseMigrationBase implements Database
         const ddl = new Ddl(transation, mappers, true);
         mappers.forEachMapper((value, key) => {
             if (!value.readOnly) {
-                observablesWait.push(Observable.fromPromise(ddl.drop(value.newable).execute()));
-                observablesWait.push(Observable.fromPromise(ddl.create(value.newable).execute()));
+                observablesWait.push(from(ddl.drop(value.newable).execute()));
+                observablesWait.push(from(ddl.create(value.newable).execute()));
             }
         });
 
-        return Observable.forkJoin(observablesWait);
+        return forkJoin(observablesWait);
     }
 
     protected migrationExecute(transation: DatabaseTransaction, version: Version): Promise<boolean> {

src/providers/database-resettable-contract.ts

@@ -1,5 +1,5 @@
 import { DatabaseTransaction } from "database-builder";
-import { Observable } from "rxjs/Observable";
+import { Observable } from "rxjs";
 
 export interface DatabaseResettableContract{
     reset(transation: DatabaseTransaction): Observable<any>;

src/utils/database-migration-base.ts

@@ -1,8 +1,7 @@
-import { Observer } from "rxjs/Observer";
-import { Observable } from "rxjs/Observable";
 import * as momentNs from "moment";
 const moment = momentNs;
 import { DatabaseObject, DatabaseTransaction } from "database-builder";
+import { Observable, Observer } from "rxjs";
 
 export abstract class DatabaseMigrationBase {