Encountering an issue here:
Error: src/app/app.component.html:1:30 - error TS2532: Object is possibly 'undefined'.
1 <form-builder [form]="form" (change)="onChange($event)"></form-builder>
while working on my form-builder. I suspect the (change) to be the culprit, but honestly, I am unsure how to resolve it
import { Component, ElementRef, OnInit, ViewChild } from '@angular/core';
@Component({
selector: 'app-form-crear',
templateUrl: './form-crear.component.html',
styleUrls: ['./form-crear.component.scss']
})
export class FormCrearComponent implements OnInit {
@ViewChild('json') jsonElement?: ElementRef | any;
@ViewChild('formio') formio:any;
public form: any = {
components: [
]
};
ngOnInit(): void {
}
saveForm(){
this.jsonElement.nativeElement.innerHTML = '';
this.jsonElement.nativeElement.appendChild(document.createTextNode(JSON.stringify(this.formio.form, null, 4)));
const json = document.createTextNode(JSON.stringify(this.formio.form, null, 4));
}
}<div class="container-fluid">
<div class="row">
<div class="col-12">
<form-builder [form]="form" #formio></form-builder>
</div>
</div>
<hr class="linea">
<button (click)="saveForm()">View Form</button>
<div class="well jsonviewer">
<pre id="json"><code class="language-json" #json></code></pre>
</div>
</div>Currently, I am working on developing an autocomplete feature for a search functionality that allows users to look up products and navigate to a single product page by clicking on a specific product with its ID in the URL. To implement this, I am using An ...
I recently developed a function to generate dynamic elements. However, I encountered an issue where instead of returning the precise type of the element, it was producing a union of various <HTMLElementTagNameMap> types. function createCustomElement( ...
I have inherited an angularJS directive from an old application that I need to convert to angular6. Since I am not familiar with angularJS and only work with angular6, I am seeking guidance on how to proceed. Below is the existing angularJS code: define ...
Currently, I am attempting to display Clarity tabs in a horizontal layout as opposed to the vertical layout due to the unavailability of vertical tabs. Just to clarify, the links are displayed vertically while the main structure consists of horizontal link ...
Is it possible to reset a form and mark it as untouched, clean, etc after submission while staying on the page to avoid resubmission? this.myForm.reset() this.myForm.markAsPristine() this.myForm.controls['options_name'].markAsUntouch ...
In my JSON document, I have an array named dealers that consists of various dealer objects like the examples below: "dealers" : [ { "name" : "BMW Dealer", "country" : "Belgium", "code" : "123" }, { "name" : ...
I've encountered an error and I'm struggling to identify the syntax issue. core.mjs:6495 ERROR SyntaxError: Invalid regular expression: /https://graph.microsoft.com/v1.0/communications/callRecords/getPstnCalls(fromDateTime=2020-01-30,toDateTime ...
I am currently working on a web app project that includes a folder with a PHP API REST and another folder with Angular files. Strangely, when I try to commit my files to BitBucket, everything gets committed except the files under the Angular folder. Simil ...
I have a lengthy text saved in a string and I am looking to swap out certain words in the text with a highlighted version or a markdown link that directs to a glossary page explaining those specific words. The words needing replacement are contained within ...
Recently, I delved into TypeScript to work on my new AngularJS project. However, I encountered an issue where the id, which is supposed to be of type number, is actually being treated as a string. Have I overlooked something in my code? interface IRout ...
The TypeScript handbook has a section on Shorthand Ambient Modules, where an import statement is shown as: import x, {y} from "hot-new-module"; It doesn't explain why y is in curly braces in the above statement. If both x and y were inside the brace ...
Encountering a type error in the authorize function while using NextAuth with CredentialsProvider export const authOptions : NextAuthOptions ={ session : { strategy: "jwt" }, providers : [ CredentialsProvider({ async authorize( c ...
Can a form be submitted using ViewChild in Angular5? If so, how can it be achieved? I attempted to do this but was unsuccessful My Attempt: <form #form="ngForm" (submit)="submitForm(form)" novalidate> <input required type="text" #codeReques ...
While working with Typescript-Protractor Jasmine, I encountered an issue where the test case (the 'it' block) is not failing when an element is not found. Instead, it shows an UnhandledPromiseRejectionWarning but still marks the script as passed. ...
As I delve into this informative resource, my goal is to incorporate some animations into my applications, but I find myself grappling with understanding how the animations are triggered. HTML Component <div class="navbar navbar-default navbar-fixed-t ...
I came across this example on a website and it's functioning perfectly. The code creates a vertical line at the specified index location when x and y values are passed separately. example() { var originalLineDraw = Chart.controllers.line.prototype ...
I'm having trouble phrasing this question differently, but I am seeking assistance in comprehending how to address this issue. The error message I am encountering is as follows: TypeError: _co.create is not a function TypeError: Cannot read property ...
How to use mat-select within a form-group <mat-form-field appearance="outline"> <mat-select formControlName="formula" id="formula"> <mat-option [value]="metricFormula.TotalCount">{{l(&apos ...
I am utilizing a DynamoDB service within my Angular project which returns a promise through a series of promises. This process involves retrieving a subId from Cognito and then passing that subId to a DynamoDB get query: async getUserObject(): Promise< ...
This question is inspired by an amazing answer found here: My curiosity lies in why the indexing works in the mapped type trick. Let's illustrate with an example: type MyData = { a: { alpha: string; }; b: { beta: number; } } type ...