Bonjour, 

je suis actuellement le cours sur angular, et en utilisant firebase j'ai cette erreur typescript :

ERROR in node_modules/@firebase/firestore/dist/index.d.ts:26:28 - error TS1005: ']' expected.

26     [K in keyof T & string as `${Prefix}.${K}`]+?: T[K];
                              ~~
node_modules/@firebase/firestore/dist/index.d.ts:26:47 - error TS1005: ';' expected.

26     [K in keyof T & string as `${Prefix}.${K}`]+?: T[K];
                                                 ~
node_modules/@firebase/firestore/dist/index.d.ts:26:49 - error TS1109: Expression expected.

26     [K in keyof T & string as `${Prefix}.${K}`]+?: T[K];
                                                   ~
node_modules/@firebase/firestore/dist/index.d.ts:26:50 - error TS1109: Expression expected.

26     [K in keyof T & string as `${Prefix}.${K}`]+?: T[K];
                                                    ~
node_modules/@firebase/firestore/dist/index.d.ts:27:1 - error TS1128: Declaration or statement expected.

27 };

ci-dessous mon fichier package.json

{
  "name": "bookshelves",
  "version": "0.0.0",
  "scripts": {
    "ng": "ng",
    "start": "ng serve",
    "build": "ng build",
    "test": "ng test",
    "lint": "ng lint",
    "e2e": "ng e2e"
  },
  "private": true,
  "dependencies": {
    "@angular/animations": "~9.1.1",
    "@angular/common": "~9.1.1",
    "@angular/compiler": "~9.1.1",
    "@angular/core": "~9.1.1",
    "@angular/forms": "~9.1.1",
    "@angular/platform-browser": "~9.1.1",
    "@angular/platform-browser-dynamic": "~9.1.1",
    "@angular/router": "~9.1.1",
    "bootstrap": "^3.3.7",
    "firebase": "^9.1.3",
    "rxjs": "~6.5.4",
    "rxjs-compat": "^6.6.7",
    "tslib": "^1.10.0",
    "zone.js": "~0.10.2"
  },
  "devDependencies": {
    "@angular-devkit/build-angular": "~0.901.1",
    "@angular/cli": "~9.1.1",
    "@angular/compiler-cli": "~9.1.1",
    "@angular/language-service": "~9.1.1",
    "@types/jasmine": "~3.5.0",
    "@types/jasminewd2": "~2.0.3",
    "@types/node": "^12.11.1",
    "codelyzer": "^5.1.2",
    "jasmine-core": "~3.5.0",
    "jasmine-spec-reporter": "~4.2.1",
    "karma": "~4.4.1",
    "karma-chrome-launcher": "~3.1.0",
    "karma-coverage-istanbul-reporter": "~2.1.0",
    "karma-jasmine": "~3.0.1",
    "karma-jasmine-html-reporter": "^1.4.2",
    "protractor": "~5.4.3",
    "ts-node": "~8.3.0",
    "tslint": "~6.1.0",
    "typescript": "^3.8.3"
  }
}

merci de votre aide.

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Edité par Manu Dev 28 octobre 2021 à 15:55:01

Bonjour,

Le mot clef 'as' sert pour forcer le type d'une variable.

https://www.typescriptlang.org/docs/handbook/advanced-types.html 

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Edité par piero5673 28 octobre 2021 à 17:43:16