typeError:无法分配为角度9.0.4中对象'[object Object]'的只读属性'tView'

问题描述 投票:0回答:2

我确实使用了角度8并将其更新为角度9。

但是当我运行项目时,它会在控制台中显示此错误:

RROR错误:未捕获(承诺):TypeError:无法分配为只读对象'[object Object]'的属性'tView'TypeError:无法分配为只读对象'[object Object]'的属性'tView'在getOrCreateTComponentView(core.js:7621)在createRootComponentView(core.js:18895)在

这是我的package.json:

    "dependencies": {
    "@angular/animations": "^9.0.4",
    "@angular/cdk": "^9.1.0",
    "@angular/common": "^9.0.4",
    "@angular/compiler": "^9.0.4",
    "@angular/core": "^9.0.4",
    "@angular/flex-layout": "^9.0.0-beta.28",
    "@angular/forms": "^9.0.4",
    "@angular/localize": "^9.0.4",
    "@angular/platform-browser": "^9.0.4",
    "@angular/platform-browser-dynamic": "^9.0.4",
    "@angular/platform-server": "^9.0.4",
    "@angular/router": "^9.0.4",
    "@aspnet/signalr": "^1.1.4",
    "@mat-datetimepicker/core": "^3.0.0",
    "@ng-bootstrap/ng-bootstrap": "^4.2.1",
    "@ngrx/effects": "^8.0.1",
    "@ngrx/entity": "^8.0.1",
    "@ngrx/router-store": "^8.0.1",
    "@ngrx/store": "^8.0.1",
    "@ngrx/store-devtools": "^8.0.1",
    "@ngx-loading-bar/core": "^4.2.0",
    "@ngx-translate/core": "^11.0.1",
    "@types/lodash": "^4.14.134",
    "angular-in-memory-web-api": "^0.8.0",
    "angular2-permission": "^0.1.3",
    "angular2-promise-buttons": "^4.0.0",
    "chart.js": "^2.8.0",
    "chartist": "^0.11.2",
    "classlist.js": "^1.1.20150312",
    "core-js": "^3.1.4",
    "hammerjs": "^2.0.8",
    "highlight.js": "^9.15.8",
    "jwt-decode": "^2.2.0",
    "lodash": "^4.17.11",
    "material-design-icons": "^3.0.1",
    "moment": "^2.24.0",
    "ng-inline-svg": "^8.4.1",
    "ng2-jalali-date-picker": "^2.2.7",
    "ngrx-store-freeze": "^0.2.4",
    "ngx-clipboard": "^12.1.0",
    "ngx-daterangepicker-material": "^2.1.3",
    "ngx-highlightjs": "^3.0.3",
    "ngx-material-file-input": "^1.1.1",
    "ngx-perfect-scrollbar": "^8.0.0",
    "ngx-permissions": "^7.0.2",
    "ngx-toastr": "^10.0.4",
    "object-path": "^0.11.4",
    "rxjs": "^6.5.2",
    "tslib": "^1.10.0",
    "web-animations-js": "^2.3.1",
    "zone.js": "~0.10.2"
},
"devDependencies": {
    "@angular-devkit/build-angular": "^0.900.4",
    "@angular/cli": "^9.0.4",
    "@angular/compiler-cli": "^9.0.4",
    "@angular/language-service": "^9.0.4",
    "@angular/material": "^9.1.0",
    "@angular/material-moment-adapter": "^9.1.0",
    "@ngrx/schematics": "^8.0.1",
    "@types/chartist": "^0.9.46",
    "@types/highlight.js": "^9.12.3",
    "@types/jasmine": "~3.3.13",
    "@types/jasminewd2": "~2.0.6",
    "@types/node": "~12.0.8",
    "@types/object-path": "^0.11.0",
    "codelyzer": "^5.1.0",
    "jasmine-core": "~3.4.0",
    "jasmine-spec-reporter": "~4.2.1",
    "karma": "^4.1.0",
    "karma-chrome-launcher": "~2.2.0",
    "karma-coverage-istanbul-reporter": "^2.0.5",
    "karma-jasmine": "~2.0.1",
    "karma-jasmine-html-reporter": "^1.4.2",
    "protractor": "~5.4.2",
    "ts-node": "~8.2.0",
    "tslint": "~5.17.0",
    "typescript": "^3.6.4",
    "webpack-bundle-analyzer": "^3.3.2"
}

怎么了?我该如何解决这个问题????

我确实使用了角度8并将其更新为角度9。但是当我运行项目时,它在控制台中向我显示此错误:RROR错误:未捕获(承诺):TypeError:无法分配为只读...

javascript angular typescript
2个回答
2
投票

您正在将ngrx与ngrx-store-freeze一起使用。您的商店中很可能有一个动作或数据模型,其中包含一个角度组件/模板/指令。如果从storeFreeze中删除metaReducers,则很可能不再看到该错误。

尽管如此,您应该找出将Reducer将此组件添加到商店中的方式,并找到另一种方法来处理此。无论如何,在商店中放置此类对象绝对不是一个好主意


0
投票

这是Angular 9中的NGRX Store和Ivy运行时的问题

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