9:12
321
4 asked
Error: src/app/classes/item.ts:2:5 - error TS2564: Property 'id' has no initializer and is not definitely assigned in the constructor. 2 id: string;
src/app/classes/item.ts:3:5 - error TS2564: Property 'name' has no initializer and is not definitely assigned in the constructor. 3 name: string;
src/app/classes/item.ts:4:5 - error TS2564: Property 'available' has no initializer and is not definitely assigned in the constructor. 4 available: boolean;
src/app/services/item.service.ts:15:31 - error TS2345: Argument of type 'string | null' is not assignable to parameter of type 'string'. Type 'null' is not assignable to type 'string'. 15 this.items = JSON.parse(localStorage.getItem('items'));
src/app/item/item.component.ts:33:9 - error TS2322: Type 'Item | undefined' is not assignable to type 'Item'. Type 'undefined' is not assignable to type 'Item'. 33 this.item = this.itemService.getItem(id);
오류가 생깁니다..
Answer 2
0
설명대로 다운로드받은 폴더에서 복사하고
새로 생성한 프로젝트에 붙여넣기했는데 저도 저 위와 같은 오류문구가 나오네요
./src/app/services/item.service.ts:2:0-41 - Error: Module not found: Error: Can't resolve 'firebase/app' in 'C:\Users\jun\Documents\angular-08liter\angular-petlist\src\app\services'
./src/app/services/item.service.ts:3:0-27 - Error: Module not found: Error: Can't resolve 'firebase/database' in 'C:\Users\jun\Documents\angular-08liter\angular-petlist\src\app\services'
Error: src/app/classes/item.ts:2:5 - error TS2564: Property 'key' has no initializer and is not definitely assigned in the constructor.
2 key: string;
~~~
Error: src/app/classes/item.ts:3:5 - error TS2564: Property 'id' has no initializer and is not definitely assigned in the constructor.
3 id: string;
~~
Error: src/app/classes/item.ts:4:5 - error TS2564: Property 'name' has no initializer and is not definitely assigned in the constructor.
4 name: string;
~~~~
Error: src/app/classes/item.ts:5:5 - error TS2564: Property 'available' has no initializer and is not definitely assigned in the constructor.
5 available: boolean;
~~~~~~~~~
Error: src/app/item/item.component.html:4:27 - error TS2341: Property 'item' is private and only accessible within class 'ItemComponent'.
4 <input [(ngModel)]="item.id" placeholder="ID"/>
~~~~
src/app/item/item.component.ts:8:16
8 templateUrl: './item.component.html',
m ~~~~~~~~~~~~~~~~~~~~~~~
Error occurs in the template of component ItemComponent.
Error: src/app/item/item.component.html:4:27 - error TS2341: Property 'item' is private and only accessible within class 'ItemComponent'.
4 <input [(ngModel)]="item.id" placeholder="ID"/>
~~~~
src/app/item/item.component.ts:8:16
8 templateUrl: './item.component.html',
~~~~~~~~~~~~~~~~~~~~~~~
Error occurs in the template of component ItemComponent.
Error: src/app/item/item.component.html:9:27 - error TS2341: Property 'item' is private and only accessible within class 'ItemComponent'.
9 <input [(ngModel)]="item.name" placeholder="Name"/>
~~~~
src/app/item/item.component.ts:8:16
8 templateUrl: './item.component.html',
~~~~~~~~~~~~~~~~~~~~~~~
Error occurs in the template of component ItemComponent.
Error: src/app/item/item.component.html:9:27 - error TS2341: Property 'item' is private and only accessible within class 'ItemComponent'.
9 <input [(ngModel)]="item.name" placeholder="Name"/>
~~~~
src/app/item/item.component.ts:8:16
8 templateUrl: './item.component.html',
~~~~~~~~~~~~~~~~~~~~~~~
Error occurs in the template of component ItemComponent.
Error: src/app/item/item.component.html:14:27 - error TS2341: Property 'item' is private and only accessible within class 'ItemComponent'.
14 <input [(ngModel)]="item.available" type="checkbox"/>
~~~~
src/app/item/item.component.ts:8:16
8 templateUrl: './item.component.html',
~~~~~~~~~~~~~~~~~~~~~~~
Error occurs in the template of component ItemComponent.
Error: src/app/item/item.component.html:14:27 - error TS2341: Property 'item' is private and only accessible within class 'ItemComponent'.
14 <input [(ngModel)]="item.available" type="checkbox"/>
~~~~
src/app/item/item.component.ts:8:16
8 templateUrl: './item.component.html',
~~~~~~~~~~~~~~~~~~~~~~~
Error occurs in the template of component ItemComponent.
Error: src/app/item/item.component.ts:34:9 - error TS2322: Type 'Item | undefined' is not assignable to type 'Item'.
Type 'undefined' is not assignable to type 'Item'.
34 this.item = this.itemService.getItem(id);
~~~~~~~~~
Error: src/app/services/item.service.ts:4:27 - error TS2307: Cannot find module 'firebase/app' or its corresponding type declarations.
4 import * as firebase from 'firebase/app';
~~~~~~~~~~~~~~
Error: src/app/services/item.service.ts:36:33 - error TS7006: Parameter 'snapshot' implicitly has an 'any' type.
36 this.itemList.on('value', snapshot => {
~~~~~~~~
Error: src/app/services/item.service.ts:37:27 - error TS7006: Parameter 'snap' implicitly has an 'any' type.
37 snapshot.forEach( snap => {
0
안녕하세요?
이 에러만으로 모든 원인을 찾기는 어렵지만 에러 내용을 보시면 Item 이 정의되어 있는지 그리고 import 되어 있는지 부터 확인해 보세요. Petlist는 간단한 구조이니 제공해드린 소스코드와 꼼꼼하게 비교해 보시면 잘못된 부분을 찾으실 수 있을겁니다.
감사합니다.
6-1. 강의 최종 과제 제출합니다.
0
50
3
3-13 리텐션 과제 제출합니다
0
106
3
3-13. 리텐션 연습과제 제출합니다.
0
78
4
'플러터 개발환경 세팅하기' 링크 클릭시, 악성 스크립트 설치 유도 페이지로 이동하니 조심하시길 바랍니다.
0
67
2
최종 과제 제출
0
67
3
Weekly Retention 과제 작성하였습니다.
0
59
2
3-10 강의 14분경 코호트 해석 질문드립니다.
0
73
2
Weekly 및 Monthly Retention 과제 제출합니다.
0
68
2
[과제] 퍼널 쿼리 PIVOT 테이블 작성
0
69
2
이미지 업로드해도 프로필에 x만 떠요
0
69
3
더백님 감사합니다
1
79
1
39. Main화면 추가 UI 에서 자료는 어디서 받나요??
0
66
1
미션 마감일시를 좀 늘려주세요
0
64
1
initializeApp 부분에 오류가 납니다.
0
285
1
오류가 납니다
0
233
0
섹션2 FireBase의 petList활용하기에서 에러나네요
0
363
1
6:45
0
233
1
2:16 질문
1
490
3
2:15 어디서 카피할 수 있나요?
1
262
1
구문 문의
0
223
2
소스코드를 찾지 못했습니다. 도움 부탁드립니다.
0
239
1
Angualr-Petstore 소스 위치를 알고싶습니다
0
184
1
Database에 petlist가 추가되지 않습니다
0
284
3
enviorenment.ts 파일에 강사님의 api 정보가 포함되어있는거 같습니다.
0
189
1