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GitHub - doorgets/ng-translate: Angular 2 translation module i18n (internationalization) from JSON file with pluralization (Zero value state included)
Angular 2 translation module i18n (internationalization) from JSON file with pluralization (Zero value state included) - doorgets/ng-translate
Visit SiteGitHub - doorgets/ng-translate: Angular 2 translation module i18n (internationalization) from JSON file with pluralization (Zero value state included)
Angular 2 translation module i18n (internationalization) from JSON file with pluralization (Zero value state included) - doorgets/ng-translate
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doorgets-ng-translate
Best Angular 2/4/5/6 (ngx) ng6 translate module i18n (internationalization) from JSON file with pluralization (Zero value state included)
Demo: http://www.ng-translate.com
Plunker: https://plnkr.co/edit/bpqyjTLuFIzZtR33Ov24?p=preview
Table of contents
- Installation
- Configuration
- How it works
- Examples usage
- Simple translation
- Simple translation from shortcut
- Translate with params
- Translate with params from shortcut
- Translate with muliple params
- Translate with muliple params from shortcut
- Translate with plural params
- Translate with plural params from shortcut
- Translate with Zero value params
- Translate with Zero value params from shortcut
- Api Reference
Installation
Install npm module
// Angular 15+
npm install doorgets-ng-translate --save
// Angular 2 -> 8
npm install [email protected] --save
Configuration
Configuration with SystemJS
1. Import doorgets-ng-translate module into systemjs-config.ts file:
System.config({
...
map: {
...,
'doorgets-ng-translate': 'node_modules/doorgets-ng-translate'
},
packages: {
...,
'doorgets-ng-translate': {main: 'bundles/doorgets-ng-translate.umd.js', defaultExtension: 'js'}
});
2. Update your app.module.ts file:
import { HttpModule } from '@angular/http';
import { BrowserModule } from '@angular/platform-browser';
import { NgModule } from '@angular/core';
import { DoorgetsTranslateModule } from 'doorgets-ng-translate';
import { AppComponent } from './app.component';
@NgModule({
imports: [
BrowserModule,
HttpModule,
DoorgetsTranslateModule.forRoot()
],
declarations: [AppComponent],
bootstrap: [AppComponent]
})
export class AppModule {
}
Import:
...
import { HttpModule } from '@angular/http';
import { DoorgetsTranslateModule } from 'doorgets-ng-translate';
...
@NgModule:
imports: [
BrowserModule,
HttpModule,
DoorgetsTranslateModule.forRoot()
],
3. Update your app.component.ts file:
import { Component, OnInit } from '@angular/core';
import { DoorgetsTranslateService } from 'doorgets-ng-translate';
@Component({
selector: 'my-app',
template: ``,
})
export class AppComponent implements OnInit {
constructor(private doorgetsTranslateService: DoorgetsTranslateService) { }
ngOnInit() {
this.doorGetTranslateService.init({
languages: ['en', 'fr'],
current: 'fr',
default: 'fr'
});
}
}
Import DoorgetsTranslateService:
import { DoorgetsTranslateService } from 'doorgets-ng-translate';
Init constructor:
constructor(private doorGetTranslateService: DoorgetsTranslateService) {}
Set Languages, Current and Default:
ngOnInit() {
this.doorGetTranslateService.init({
languages: ['en', 'fr'],
current: 'fr',
default: 'fr'
});
}
####4. Finally, create a locale
folder at the root of your project with appropiate country traduction files
|-- + locale/
|-- en.json
|-- fr.json
|-- es.json
|-- ...
|-- + src/
|-- package.json
|-- tsconfig.json
|-- systemjs.config.js
Configuration with Webpack
1. Import doorgets-ng-translate module into vendor.ts file:
// Angular
import '@angular/platform-browser';
import '@angular/platform-browser-dynamic';
import '@angular/core';
import '@angular/common';
import '@angular/http';
import '@angular/router';
// RxJS
import 'rxjs';
// Doorgets
import 'doorgets-ng-translate';
2. Update app.module.ts file (Angular 9):
import { NgModule } from '@angular/core';
import { HttpModule } from '@angular/http';
import { HttpClient } from '@angular/common/http';
import { BrowserModule } from '@angular/platform-browser';
import { AppComponent } from './app.component';
import { DoorgetsTranslateModule , NgTranslate, NgTranslateAbstract } from 'doorgets-ng-translate';
export function newNgTranslate(http: HttpClient) {
return new NgTranslate(http, '../../public/locale');
}
@NgModule({
imports: [
HttpModule,
DoorgetsTranslateModule.forRoot({
provide: NgTranslateAbstract,
useFactory: (newNgTranslate),
deps: [HttpClient]
}),
BrowserModule
],
declarations: [
AppComponent
],
bootstrap: [ AppComponent ]
})
export class AppModule { }
Import:
...
import { HttpModule, Http } from '@angular/http';
import { HttpClient } from '@angular/common/http';
import { DoorgetsTranslateModule , NgTranslate, NgTranslateAbstract } from 'doorgets-ng-translate';
...
Export:
...
export function newNgTranslate(http: HttpClient) {
return new NgTranslate(http, '../../public/locale');
}
...
@NgModule:
imports: [
HttpModule,
DoorgetsTranslateModule.forRoot({
provide: NgTranslateAbstract,
useFactory: (newNgTranslate),
deps: [Http]
}),
BrowserModule
],
2. Update app.module.ts file (Angular 2 -> 8):
import { NgModule } from '@angular/core';
import { HttpModule, Http } from '@angular/http';
import { BrowserModule } from '@angular/platform-browser';
import { AppComponent } from './app.component';
import { DoorgetsTranslateModule , NgTranslate, NgTranslateAbstract } from 'doorgets-ng-translate';
export function newNgTranslate(http: Http) {
return new NgTranslate(http, '../../public/locale');
}
@NgModule({
imports: [
HttpModule,
DoorgetsTranslateModule.forRoot({
provide: NgTranslateAbstract,
useFactory: (newNgTranslate),
deps: [Http]
}),
BrowserModule
],
declarations: [
AppComponent
],
bootstrap: [ AppComponent ]
})
export class AppModule { }
Import:
...
import { HttpModule, Http } from '@angular/http';
import { DoorgetsTranslateModule , NgTranslate, NgTranslateAbstract } from 'doorgets-ng-translate';
...
Export:
...
export function newNgTranslate(http: Http) {
return new NgTranslate(http, '../../public/locale');
}
...
@NgModule:
imports: [
HttpModule,
DoorgetsTranslateModule.forRoot({
provide: NgTranslateAbstract,
useFactory: (newNgTranslate),
deps: [Http]
}),
BrowserModule
],
3. Update app.component.ts file:
import { Component, OnInit, ChangeDetectionStrategy } from '@angular/core';
import '../../public/css/styles.css';
import { DoorgetsTranslateService } from 'doorgets-ng-translate';
@Component({
selector: 'my-app',
templateUrl: './app.component.html',
styleUrls: ['./app.component.css'],
changeDetection: ChangeDetectionStrategy.OnPush
})
export class AppComponent implements OnInit {
constructor(private doorGetTranslateService: DoorgetsTranslateService) {}
ngOnInit() {
this.doorGetTranslateService.init({
languages: ['en', 'fr'],
current: 'fr',
default: 'fr'
});
}
}
Import DoorgetsTranslateService:
import { DoorgetsTranslateService } from 'doorgets-ng-translate';
Init constructor:
constructor(private doorGetTranslateService: DoorgetsTranslateService) {}
Set Languages, Current and Default:
ngOnInit() {
this.doorGetTranslateService.init({
languages: ['en', 'fr'],
current: 'fr',
default: 'fr'
});
}
4. Finally, create a locale
folder at the public
folder of your project with appropiate country traduction files
|-- + public/
|-- + locale/
|-- en.json
|-- fr.json
|-- es.json
|-- ...
|-- + config/
|-- + src/
|-- package.json
|-- tsconfig.json
|-- webpack.config.js
Configuration with Ionic2
1. Update app.module.ts file
import { NgModule, ErrorHandler } from '@angular/core';
import { HttpModule, Http } from '@angular/http';
import { FormsModule } from '@angular/forms';
import { IonicApp, IonicModule, IonicErrorHandler } from 'ionic-angular';
import { MyApp } from './app.component';
import { AboutPage } from '../pages/about/about';
import { ContactPage } from '../pages/contact/contact';
import { HomePage } from '../pages/home/home';
import { TabsPage } from '../pages/tabs/tabs';
import { DoorgetsTranslateModule , NgTranslate, NgTranslateAbstract } from 'doorgets-ng-translate';
export function newNgTranslate(http: Http) {
return new NgTranslate(http, './assets/locale');
}
@NgModule({
declarations: [
MyApp,
AboutPage,
ContactPage,
HomePage,
TabsPage
],
imports: [
HttpModule,
DoorgetsTranslateModule.forRoot({
provide: NgTranslateAbstract,
useFactory: (newNgTranslate),
deps: [Http]
}),
IonicModule.forRoot(MyApp),
FormsModule
],
bootstrap: [IonicApp],
entryComponents: [
MyApp,
AboutPage,
ContactPage,
HomePage,
TabsPage
],
providers: [{provide: ErrorHandler, useClass: IonicErrorHandler}]
})
export class AppModule {}
Import:
...
import { HttpModule, Http } from '@angular/http';
import { DoorgetsTranslateModule , NgTranslate, NgTranslateAbstract } from 'doorgets-ng-translate';
...
Export:
...
export function newNgTranslate(http: Http) {
return new NgTranslate(http, './assets/locale');
}
...
@NgModule:
imports: [
HttpModule,
DoorgetsTranslateModule.forRoot({
provide: NgTranslateAbstract,
useFactory: (newNgTranslate),
deps: [Http]
}),
IonicModule.forRoot(MyApp),
FormsModule
],
2. Update app.component.ts file:
import { Component } from '@angular/core';
import { Platform } from 'ionic-angular';
import { StatusBar, Splashscreen } from 'ionic-native';
import { TabsPage } from '../pages/tabs/tabs';
import { DoorgetsTranslateService } from 'doorgets-ng-translate';
@Component({
templateUrl: 'app.html'
})
export class MyApp {
rootPage = TabsPage;
constructor(platform: Platform, private doorgetsTranslateService: DoorgetsTranslateService) {
platform.ready().then(() => {
doorgetsTranslateService.init({
languages: ['en', 'fr'],
current: 'fr',
default: 'fr'
});
StatusBar.styleDefault();
Splashscreen.hide();
});
}
}
Import DoorgetsTranslateService:
import { DoorgetsTranslateService } from 'doorgets-ng-translate';
Init constructor:
constructor(platform: Platform, private doorgetsTranslateService: DoorgetsTranslateService) {
Set Languages, Current and Default:
platform.ready().then(() => {
doorgetsTranslateService.init({
languages: ['en', 'fr'],
current: 'fr',
default: 'fr'
});
StatusBar.styleDefault();
Splashscreen.hide();
});
3. Finally, create a locale
folder at the assets
folder of your project with appropiate country traduction files
|-- + resources/
|-- + src/
|-- + assets/
|-- + locale/
|-- en.json
|-- fr.json
|-- es.json
|-- ...
|-- + app/
|-- + pages/
|-- + theme/
|-- ...
|-- config.xml
|-- package.json
|-- tsconfig.json
|-- ionic.config.json
How it works
Interpolation without params
Translation file:
{
"How are you?": "Comment ça va?",
"hello": {
"form": "Comment ça va?"
}
}
For simple translation you can use human sentence inside key object:
"How are you?" // result => Comment ça va?
Or your can use key and subkey:
"hello.form" // result => Comment ça va?
Interpolation with Simple params
Params works with collection
['firstParam', 'secondParam', '...']
, not Object{}
Marker key is the concatenation of $ and position key inside collection
Why? this is very faster than object !
Translation file:
{
"Hello $0, my name is $1, i live in $2": "Salut $0, je m'appel $1, je vie Ă $2"
}
Collection params: ["John Doe", "Mounir R'Quiba", "Paris"]
// $ + position => $0 => John Doe
// $ + position => $1 => Mounir R'Quiba
// $ + position => $2 => Paris
"Hello $0, my name is $1, i live in $2"
// result => "Salut John Doe, je m'appel Mounir R'Quiba, je vie Ă Paris"
Interpolation with Pluralization params
Pluralizaition works with THE BANANA IN THE BOX
[(
open tag and)]
to close tagEvery block is serparated by a pipe
|
You can use 1 to 3 blocks, so the maximum of pipes is 2
Translation file:
{
"I have [($0|$0 apple|$0 apples)] in [($1|$1 bag|$1 bags)]": "J'ai [($0|$0 pomme|$0 pommes)] dans [($1|$1 sac|$1 sacs)]"
}
Collection params: [2, 1]
// $ + position => $0 => 2
// $ + position => $1 => 1
"I have [($0|$0 apple|$0 apples)] in [($1|$1 bag|$1 bags)]"
// result => "J'ai 2 pommes dans 1 sac"
Explanation
[($0|$0 apple|$0 apples)]
block 1:
$0
is the key to findblock 2:
$0 apple
is the translated sentence when $0 <= 1block 3:
$0 apples
is the translated sentence when $0 > 1
Interpolation with Zero value params
Zero value works with THE BANANA IN THE BOX
[(
open tag and)]
to close tagEvery block is serparated by a pipe
|
You can use 1 to 4 blocks, so the maximum of pipes is 3
Translation file:
{
"I have [($0|$0 apple|$0 apples|nothing)] [($1|in my bag|in $1 bags|)]": "[($0|J'ai une pomme|J'ai $0 pommes|Je n'ai rien)] [($1|dans mon sac|dans mes $1 sacs|)]"
}
Collection params: [1, 1]
// $ + position => $0 => 1
// $ + position => $1 => 1
"I have [($0|$0 apple|$0 apples|nothing)] in [($1|$1 bag|$1 bags|my bag)]"
// result => "J'ai une pomme dans mon sac"
Collection params: [0, 0]
// $ + position => $0 => 0
// $ + position => $1 => 0
"I have [($0|$0 apple|$0 apples|nothing)] in [($1|$1 bag|$1 bags|my bag)]"
// result => "Je n'ai rien"
Explanation
[($0|$0 apple|$0 apples|nothing)]
block 1:
$0
is the key to findblock 2:
$0 apple
is the translated sentence when $0 == 1block 3:
$0 apples
is the translated sentence when $0 > 1
block 4:
nothing
is the translated sentence when $0 <= 0
Examples usage
Simple translation
./locale/fr.json
{
"Are you ready?": "Ătes-vous prĂȘt ?",
}
@Directive:
<span [dgTranslate]>Are you ready?</span>
Output: Ătes-vous prĂȘt ?
@Directive:
<span [dgTranslate]="'Are you ready?'"></span>
Output: Ătes-vous prĂȘt ?
@Pipe:
{{ 'Are you ready?' | dgTranslate }}
Output: Ătes-vous prĂȘt ?
Simple translation from shortcut
./locale/fr.json
{
"label": {
"ready": "Ătes-vous prĂȘt ?"
}
}
@Directive:
<span [dgTranslate]>label.ready</span>
Output: Ătes-vous prĂȘt ?
@Directive:
<span [dgTranslate]="label.ready'"></span>
Output: Ătes-vous prĂȘt ?
@Pipe:
{{ label.ready' | dgTranslate }}
Output: Ătes-vous prĂȘt ?
Translate with params
./locale/fr.json
{
"Hello $0": "Salut $0"
}
@Directive:
<span [dgTranslate] [dgTranslateOptions]="[myName]">
Hello $0
</span>
myName = Mounir R'Quiba
Output: Salut Mounir R'Quiba
@Directive:
<span [dgTranslate]="'Hello $0'" [dgTranslateOptions]="[myName]"></span>
myName = Mounir R'Quiba
Output: Salut Mounir R'Quiba
@Pipe:
{{ 'Hello $0' | dgTranslate :myName }}
myName = Mounir R'Quiba
Output: Salut Mounir R'Quiba
Translate with params from shortcut
./locale/fr.json
{
"label": {
"hello": "Salut $0"
}
}
@Directive:
<span [dgTranslate] [dgTranslateOptions]="[myName]">
label.hello
</span>
myName = Mounir R'Quiba;
Output: Salut Mounir R'Quiba
@Directive:
<span [dgTranslate]="'label.hello'" [dgTranslateOptions]="[myName]"></span>
myName = Mounir R'Quiba;
Output: Salut Mounir R'Quiba
@Pipe:
{{ 'label.hello' | dgTranslate :myName }}
myName = Mounir R'Quiba;
Output: Salut Mounir R'Quiba
Translate with muliple params
./locale/fr.json
{
"label": {
"name": "Je m'appel $0 j'aime coder avec $1"
}
}
@Directive:
<span [dgTranslate] [dgTranslateOptions]="[myName, myLanguage]">
My name is $0 I like coding with $1
</span>
myName = Mounir R'Quiba; myLanguage = Angular 2;
Output: Je m'appel Mounir R'Quiba j'aime coder avec Angular 2
@Directive:
<span [dgTranslate]="'My name is $0 I like coding with $1'" [dgTranslateOptions]="[myName, myLanguage]"></span>
myName = Mounir R'Quiba; myLanguage = Angular 2;
Output: Je m'appel Mounir R'Quiba j'aime coder avec Angular 2
@Pipe:
{{ 'My name is $0 I like coding with $1' | dgTranslate :myName :myLanguage }}
myName = Mounir R'Quiba; myLanguage = Angular 2;
Output: Je m'appel Mounir R'Quiba j'aime coder avec Angular 2
Translate with muliple params from shortcut
./locale/fr.json
{
"label": {
"name": "Je m'appel $0 j'aime coder avec $1"
}
}
@Directive:
<span [dgTranslate] [dgTranslateOptions]="[myName, myLanguage]">
label.name
</span>
myName = Mounir R'Quiba; myLanguage = Angular 2;
Output: Je m'appel Mounir R'Quiba j'aime coder avec Angular 2
@Directive:
<span [dgTranslate]="'label.name'" [dgTranslateOptions]="[myName, myLanguage]"></span>
myName = Mounir R'Quiba; myLanguage = Mounir R'Quiba
Output: Je m'appel Mounir R'Quiba j'aime coder avec Angular 2
@Pipe:
{{ 'label.name' | dgTranslate :myName :myLanguage }}
myName = Mounir R'Quiba; myLanguage = Mounir R'Quiba
Output: Je m'appel Mounir R'Quiba j'aime coder avec Angular 2
Translate with plural params
./locale/fr.json
{
"I have [($0|$0 apple|$0 apples)] in [($1|$1 bag|$1 bags)]": "J'ai [($0|$0 pomme|$0 pommes)] dans [($1|$1 sac|$1 sacs)]"
}
@Directive:
<span [dgTranslate] [dgTranslateOptions]="[countApple, countBag]">
I have [($0|$0 apple|$0 apples)] in [($1|$1 bag|$1 bags)]
</span>
countApple = 2; countBag = 1;
Output: J'ai 2 pommes dans 1 sac
@Directive:
<span [dgTranslate]="'I have [($0|$0 apple|$0 apples)] in [($1|$1 bag|$1 bags)]'" [dgTranslateOptions]="[countApple, countBag]"></span>
countApple = 2; countBag = 1;
Output: J'ai 2 pommes dans 1 sac
@Pipe:
{{ 'I have [($0|$0 apple|$0 apples)] in [($1|$1 bag|$1 bags)]' | dgTranslate :countApple :countBag }}
countApple = 2; countBag = 1;
Output: J'ai 2 pommes dans 1 sac
Translate with plural params from shortcut
./locale/fr.json
{
"label": {
"quantity": "J'ai [($0|$0 pomme|$0 pommes)] dans [($1|$1 sac|$1 sacs)]"
}
}
@Directive:
<span [dgTranslate] [dgTranslateOptions]="[countApple, countBag]">
label.quantity
</span>
countApple = 2; countBag = 1;
Output: J'ai 2 pommes dans 1 sac
@Directive:
<span [dgTranslate]="'label.quantity'" [dgTranslateOptions]="[countApple, countBag]"></span>
countApple = 2; countBag = 1;
Output: J'ai 2 pommes dans 1 sac
@Pipe:
{{ 'label.quantity' | dgTranslate :countApple :countBag }}
countApple = 2; countBag = 1;
Output: J'ai 2 pommes dans 1 sac
Translate with Zero value params
./locale/fr.json
{
"I have [($0|$0 apple|$0 apples|nothing)] in [($1|$1 bag|$1 bags|my bag)]": "J'ai [($0|$0 pomme|$0 pommes|rien)] dans [($1|$1 sac|$1 sacs|mon sac)]"
}
@Directive:
<span [dgTranslate] [dgTranslateOptions]="[countApple, countBag]">
I have [($0|$0 apple|$0 apples|nothing)] in [($1|$1 bag|$1 bags|my bag)]
</span>
countApple = 2; countBag = 1;
Output: J'ai 2 pommes dans 1 sac
countApple = 0; countBag = 0;
Output: J'ai rien dans mon sac
@Directive:
<span [dgTranslate]="'I have [($0|$0 apple|$0 apples|nothing)] in [($1|$1 bag|$1 bags|my bag)]'" [dgTranslateOptions]="[countApple, countBag]"></span>
countApple = 2; countBag = 1;
Output: J'ai 2 pommes dans 1 sac
countApple = 0; countBag = 0;
Output: J'ai rien dans mon sac
@Pipe:
{{ 'I have [($0|$0 apple|$0 apples|nothing)] in [($1|$1 bag|$1 bags|my bag)]' | dgTranslate :countApple :countBag }}
countApple = 2; countBag = 1;
Output: J'ai 2 pommes dans 1 sac
countApple = 0; countBag = 0;
Output: J'ai rien dans mon sac
Translate with zero value params from shortcut
./locale/fr.json
{
"label": {
"zero": "J'ai [($0|$0 pomme|$0 pommes|rien)] en [($1|$1 sac|$1 sacs|mon sac)]"
}
}
@Directive:
<span [dgTranslate] [dgTranslateOptions]="[countApple, countBag]">
label.zero
</span>
countApple = 2; countBag = 1;
Output: J'ai 2 pommes dans 1 sac
countApple = 0; countBag = 0;
Output: J'ai rien dans mon sac
@Directive:
<span [dgTranslate]="'label.zero'" [dgTranslateOptions]="[countApple, countBag]"></span>
countApple = 2; countBag = 1;
Output: J'ai 2 pommes dans 1 sac
countApple = 0; countBag = 0;
Output: J'ai rien dans mon sac
@Pipe:
{{ 'label.zero' | dgTranslate :countApple :countBag }}
countApple = 2; countBag = 1;
Output: J'ai 2 pommes dans 1 sac
countApple = 0; countBag = 0;
Output: J'ai rien dans mon sac
Api Reference
Setup your ng translate module
Quick init
doorGetTranslateService.init({
languages: ['fr', 'en'],
current: 'fr',
default: 'en'
});
Or
doorGetTranslateService.add(['fr', 'en'])
doorGetTranslateService.setCurrent('fr');
doorGetTranslateService.setDefault('fr');
Change current language
doorGetTranslateService.setCurrent('en');
Translation using get method
doorGetTranslateService.get('myKey').subscribe((res: string) => {
// res contain translated value
});
Translation using get method with params
doorGetTranslateService.get('myKey', [1, 1]).subscribe((res: string) => {
// res contain translated value
});
Translation in instant
// res contain translated value
res = doorGetTranslateService.instant('myKey');
License
The MIT License
Copyright (c) 2017 Mounir R'Quiba http://www.doorgets.com/
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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