How to fix Argument of type '"email"' is not assignable to parameter of type 'string[]' error? Connect and share knowledge within a single location that is structured and easy to search. For e.g. I have built a form where I have implemented a form validation that simply displays an error message when the user leaves the email or password field blank. Types of parameters 'c' and 'c' are incompatible. Jun 4 . Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, argument of type AbstractControl is not assignable to parameter of type string, Going from engineer to entrepreneur takes more than just good code (Ep. Angular Typed Reactive Forms - Medium Type AbstractControl is not assignable to type FormGroup. Is it possible for a gas fired boiler to consume more energy when heating intermitently versus having heating at all times? See @Avetik comment bellow for a much cleaner solution with a pipe. index.ts Property 'controls' does not exist on type 'AbstractControl'. in angular 8 If someone else still have this issue, I share my solution, which is almost the same as Bellash was described but with better perfomance. When you create a form inside a component, you may probably wants to initialize it inside the ngOnInit method like this Coding example for the question Angular 2- Error: Type 'AbstractControl' is not assignable to type 'AbstractControl'-angular.js It is actually easier and more typesafe to just build the second form separately and then to attach it to the main form: Like this, Angular knows already that addressForm is of type FormGroup and not just of type AbstractFormControl, Stackblitz: https://stackblitz.com/edit/angular-nested-forms-input-2. Is there any alternative way to eliminate CO2 buildup than by breathing or even an alternative to cellular respiration that don't produce CO2? I don't understand why is this still happening. What's the meaning of negative frequencies after taking the FFT in practice? To solve the error use a const or a type assertion. The text was updated successfully, but these errors were encountered: export declare class FormGroup extends AbstractControl Is that my fault or is tslint doing something wrong? Could an object enter or leave vicinity of the earth without being detected? index.ts Why are UK Prime Ministers educated at Oxford, not Cambridge? Is this homebrew Nystul's Magic Mask spell balanced? import { Component, OnInit } from '@angular/core'; import { FormBuilder, FormControl, Validators, FormGroup} from '@angular/forms . After migration to angular 9 from angular 8, get this error, ERROR in app/src/app/users/add/add.component.html:14:48 - error We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. Argument of type 'AbstractControl' is not assignable to parameter of type 'FormControl' Ask Question Asked 2 years, 9 months ago. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Not the answer you're looking for? 504), Mobile app infrastructure being decommissioned, What causes the "control.registerOnChange is not a function" error, Angular4 - No value accessor for form control, Angular: ng build --prod produces Argument of type 'AbstractControl' is not assignable to parameter of type 'FormGroup'. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Not the answer you're looking for? type 'null' is not assignable to type 'formcontrol' Removing repeating rows and columns from 2d array, Do you have any tips and tricks for turning pages while singing without swishing noise, Is it possible for SQL Server to grant more memory to a query than is available to the instance. 504), Mobile app infrastructure being decommissioned, Angular 2 bootstrap function gives error "Argument type AppComponent is not assignable to parameter type Type", nativescript - error with tns build android Argument of type 'Object' is not assignable to parameter of type 'Response', Angular - Argument of type is not assignable to parameter, error TS2345: Argument of type '{ headers: HttpHeaders; }' is not assignable to parameter of type 'RequestOptionsArgs', Problems with FormControl and AbstractControl in angular, error TS2345: Argument of type 'OperatorFunction' is not assignable to parameter of type 'OperatorFunction', Argument of type 'HTMLFormElement' is not assignable to parameter of type 'ElementRef', Argument of type '(fg: FormGroup) => { notmatched: boolean; }' is not assignable to parameter of type. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. Hope this will help someone), This issue might come from tsconfig.json if you're using Angular 9 or above, by setting "strictTemplates": false might temporary "solve" the problem, by convert the AbstractControl to FormControl through template, so your .ts file should have. It shouldn't be . Why don't American traffic signs use pictograms as much as other countries? When the Littlewood-Richardson rule gives only irreducibles? This also impacts all the input properties of (almost) all the components. That's I had to use the banana in box directive, because it's value is strongly typed, EDITs 2022: Also consider @Avetik answer bellow to convert this function into a pipe for better performance. ; For an enabled FormGroup, the values of enabled controls as an object with a key-value pair for each member of the group. To learn more, see our tips on writing great answers. Hi @bersling, I was wondering how you would use your trick within a for loop. Can lead-acid batteries be stored by removing the liquid from them? rev2022.11.7.43014. Angular - FormGroup which are Stack Overflow for Teams is moving to its own domain! How to fix Argument of type '() => AbstractControl[]' is not assignable to parameter of type 'array[]'? stepper: Type 'FormGroup' is not assignable to type - GitHub Angular error Typ AbstractControl is not assignable . 504), Mobile app infrastructure being decommissioned, Angular 2- Error: Type 'AbstractControl' is not assignable to type 'AbstractControl', Argument of type 'string | null' is not assignable to parameter of type 'string'. How to help a student who has internalized mistakes? I had a similar control with formGroup, so I created a similar filter based on formGroup, and it is used like this: or my personal favorite way of handlingforms. I used $any() to work around this. 1 comment . Solution 1 :(By Changing null checking flags) change produitFormGroup: FormGroup | null= null; to produitFormGroup: FormGroup;. Type 'AbstractControl' is missing the following properties from type 'FormGroup': controls, registerControl, addControl, removeControl, and 3 more.ts(2345) Thank you - MatWaligora The "Type 'string | null' is not assignable to type string" error occurs when a possibly null value is assigned to something that expects a string. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. I believe the problem is that I set email and password to abstract control vs setting it to a string. someForm = this.fb.group({ days: this.fb.array([ this.fb.group({ description: [''] }) ]) }) . Why? Passing the form group from a parent component to child component is no longer working. <ng-container *ngFor="let adminForm of admins.controls; let index = index"> <div> When the Littlewood-Richardson rule gives only irreducibles? Types of parameters 'c' and 'c' are incompatible. Multiple AbstractControl s can be seen as tree where the leaves are always going to be FormControl instances and the other 2 ( FormArray, FormGroup) can be thought of as AbstractControl containers, which entails that they can't be used as leaves because they must contain at least on AbstractControl instance. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. code-discuss.com Site design / logo 2022 Stack Exchange Inc; user contributions licensed under CC BY-SA. Based on one array object keys and other array object values create one more new array? FormControl.setValue() returns a void - which means it returns nothing. So when you tried to add a string to it, it was . I was able to get around this issue by giving the template direct access to the FormControl as well as adding it to the form in initForm(). Earlier passing a formgroup from parent to child was no longer an issue. Below is my child component: I don't understand why is this still happening. How to Use Angular FormArray(s) within FormGroup(s) In Reactive Forms I had a similar problem. It says Type 'AbstractControl | null' is not assignable to type 'FormGroup'\/code>. Stack Overflow for Teams is moving to its own domain! Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, change errors method ctrl type to AbstractControl, Argument of type 'AbstractControl' is not assignable to parameter of type 'FormControl', Going from engineer to entrepreneur takes more than just good code (Ep. I wrote a book in which I share everything I know about how to become a better, more efficient programmer. Angular 11 Type undefined is not assignable to type 'T' Type 'string' is not assignable to type 'number' when using property binding in an Angular template; Angular 2- Error: Type 'AbstractControl' is not assignable to type 'AbstractControl' Erro: Type 'string' is not assignable to type '"body"'. Type AbstractControl is not assignable to type FormGroup Good question, it is an obscure error. Thanks a lot. Type AbstractControl is not assignable to type FormGroup. This transpiler flag enables us to write safer code. AbstractControl - ts - API - Angular Is a potential juror protected for what they say during jury selection? Type AbstractControl is not assignable to type FormGroup #4250 - GitHub How can you prove that a certain file was downloaded from a certain website? This is the base class for FormControl, FormGroup, and FormArray. But I had to remove generics in Angular 13. Site design / logo 2022 Stack Exchange Inc; user contributions licensed under CC BY-SA. Angular error Typ AbstractControl is not assignable - YouTube Earlier passing a formgroup from parent to child was no longer an issue. options: object: Specifies whether this FormGroup instance should emit events after a new control is added. Typeset a chain of fiber bundles with a known largest total space. by setting "strictTemplates": false might temporary "solve" the problem. 503), Fighting to balance identity and anonymity on the web(3) (Ep. Find centralized, trusted content and collaborate around the technologies you use most. I have problem passing [formGroup] to children components in Angular. How to add options of ng2-toastr in angular2? How actually can you perform the trick with the "illusion of the party distracting the dragon" like they did it in Vox Machina (animated series)? Good answer, solved my error, had to "interrogate" the AbstractFormControl using the as keyword, thanks!! The error is because signInWithEmailAndPassword requires strings but you've called it with AbstractControls. How to help a student who has internalized mistakes? Type validatorfn null is not assignable to type validatorfn contact Not sure why you created the email and password properties on your Component, when you could have easily gotten the value of the form using this.formgroup.value and then you could have also used destructuring to extract the email and password from the form value and then pass it to the signInWithEmailAndPassword method: Thanks for contributing an answer to Stack Overflow! This article explains in detail about Angular Forms, FormControl and AbstractControl. Type 'AbstractControl' is missing the following properties from type 'FormControl': registerOnChange, registerOnDisabledChange, _applyFormState. Making statements based on opinion; back them up with references or personal experience. I think i have put all safe conditions and I have initialize it well. When the migration is complete, you will access your Teams at stackoverflowteams.com, and they will no longer appear in the left sidebar on stackoverflow.com. Type 'AbstractControl | null' is not assignable to type 'FormGroup' 2 comments pangky24 commented on Apr 4, 2017 edited using.. angular2.4.0 angular-2-dropdown-multiselect": "1.0.5", code code component ts You're effectively trying to create an object with the following signature: { username: void, firstname: void, . } Angular 2 RC-4 forms, Type 'FormGroup' is not assignable to type Thanks for contributing an answer to Stack Overflow! Is it possible for SQL Server to grant more memory to a query than is available to the instance, Replace first 7 lines of one file with content of another file. emitEvent: When true or not supplied (the default), both the statusChanges and valueChanges observables emit events with the latest status and value when the control is . How can I override this and allow the validation to go through and the authentication? Change your login method to this: login () { this.aAuth.auth.signInWithEmailAndPassword (this.email.value, this.password.value) .then (e => console.log (e)) } Why are UK Prime Ministers educated at Oxford, not Cambridge? Why should you not leave the inputs of unused gates floating with 74LS series logic? What's the best way to roleplay a Beholder shooting with its many rays at a Major Image illusion? Angular type c formcontrol validationerror null is not assignable to Modified 1 year, 7 months ago. Property Description; value: TValue: Read-Only. (clarification of a documentary), Replace first 7 lines of one file with content of another file. in angular 8; Angular Ivy type check: Type . Angular, Angular - Argument of type 'IPgs' is not assignable to rev2022.11.7.43014. . It is weird that it is complaining about it since export declare class FormControl extends AbstractControl. Here is an example of how the error occurs. index.ts If an input property is bound to a an object property that can be null or undefined, the compiler complains about the type not being assignable. Asking for help, clarification, or responding to other answers. I have to same problem, changing FormControl to AbstractControl solves my problem. 504), Mobile app infrastructure being decommissioned, Angular Type 'AbstractControl' is missing the following properties from type 'FormGroup': controls, Bind template reference variables to ngModel while using reactive forms, Array of custom forms with FormGroup as parent, Typescript: Type X is missing the following properties from type Y length, pop, push, concat, and 26 more.