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    3.1.2-beta.6 • Public • Published


    API Summary


    • elements: ITdDynamicElementConfig[]
      • JS Object that will render the elements depending on its config.
      • [name] property is required.

    Properties (Read only)

    • form: FormGroup
      • Getter property for dynamic [FormGroup].
    • valid: boolean
      • Getter property for [valid] of dynamic [FormGroup].
    • value: any
      • Getter property for [value] of dynamic [FormGroup].
    • errors: {[name: string]: any}
      • Getter property for [errors] of dynamic [FormGroup].
    • controls: {[key: string]: AbstractControl}
      • Getter property for [controls] of dynamic [FormGroup].


    • refresh: function
      • Refreshes the form and rerenders all validator/element modifications


    Import the [CovalentDynamicFormsModule] in your NgModule:

    import { CovalentDynamicFormsModule } from '@covalent/dynamic-forms';
      imports: [
    export class MyModule {}


    td-dynamic-forms element generates a form dynamically

    Pass an array of javascript objects that implement [ITdDynamicElementConfig] with the information to be rendered to the [elements] attribute.

    // Property values to be set in custom component
    export interface ITdDynamicElementCustomConfig {
      [name: string]: any;
    export interface ITdDynamicElementConfig {
      label?: string;
      name: string;
      hint?: string;
      type: TdDynamicType | TdDynamicElement | Type<any>;
      required?: boolean;
      disabled?: boolean;
      min?: any;
      max?: any;
      minLength?: any;
      maxLength?: any;
      selections?: string[] | { value: any; label: string }[];
      multiple?: boolean;
      default?: any;
      flex?: number;
      validators?: ITdDynamicElementValidator[];
      customConfig?: ITdDynamicElementCustomConfig;

    NOTE: For custom types, you need to implement a [control] property and use it in your underlying element.

    Example for HTML usage:

    <td-dynamic-forms [elements]="elements">
      <ng-template let-element ngFor [ngForOf]="elements">
        <ng-template let-control="control" [tdDynamicFormsError]="element.name">
          <span *ngIf="control.touched || !control.pristine">
            <span *ngIf="control.hasError('required')">Required</span>
            <span *ngIf="control.hasError('min')">Min value: {{element.min}}</span>
            <span *ngIf="control.hasError('max')">Max value: {{element.max}}</span>
            <span *ngIf="control.hasError('minlength')">Min length value: {{element.minLength}}</span>
            <span *ngIf="control.hasError('maxlength')">Max length value: {{element.minLength}}</span>
    import { ITdDynamicElementConfig, TdDynamicElement, TdDynamicType } from '@covalent/dynamic-forms';
    /* CUSTOM TYPE */
      template: `<label>{{label}}</label>
                  <input [formControl]="control">
                  <div *ngIf="errorMessageTemplate && control?.errors"
                      [ngTemplateOutletContext]="{control: control, errors: control?.errors}">
    export class DynamicCustomComponent {
      /* control property needed to properly bind the underlying element */
      control: FormControl;
      /* map any of the properties you passed in the config */
      label: string;
      /* map the error message template and use it anywhere you need to */
      errorMessageTemplate: TemplateRef<any>;
    export class Demo {
      elements: ITdDynamicElementConfig[] = [{
        name: 'input',
        hint: 'hint',
        type: TdDynamicElement.Input,
        required: true,
      }, {
        name: 'textLength',
        label: 'Text Length',
        type: TdDynamicElement.Input,
        minLength: 4,
        maxLength: 12,
      }, {
        name: 'number',
        type: TdDynamicType.Number,
        min: 10,
        max: 80,
      }, {
        name: 'slider',
        label: 'Label',
        type: TdDynamicElement.Slider,
        required: true,
      }, {
        name: 'boolean',
        type: TdDynamicType.Boolean,
        default: false,
        disabled: true,
      }, {
        name: 'select',
        type: TdDynamicElement.Select,
        required: true,
        multiple: false,
        selections: ['A','B','C'],
        default: 'A',
      }, {
        name: 'file-input',
        label: 'Label',
        type: TdDynamicElement.FileInput,
      }, {
        name: 'datepicker',
        label: 'Date',
        type: TdDynamicElement.Datepicker,
      }, {
        name: 'custom',
        label: 'Custom',
        type: DynamicCustomComponent,
        required: true,

    Note: To use the datepicker you need to provide an implementation of DateAdapter.. click [here] for more information on the material datepicker(https://material.angular.io/components/datepicker/overview#choosing-a-date-implementation-and-date-format-settings)


    npm i @covalent/dynamic-forms

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