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@rxap/form-system

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This package provides a set of directives, decorators, mixins, and validators to simplify the creation of dynamic forms in Angular applications. It offers features such as automatic control creation, data source integration, component customization, and h

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<!doctype html> <html class="no-js" lang=""> <head> <meta charset="utf-8"> <meta http-equiv="x-ua-compatible" content="ie=edge"> <title>angular-form-system</title> <meta name="description" content=""> <meta name="viewport" content="width=device-width, initial-scale=1"> <link rel="icon" type="image/x-icon" href="../images/favicon.ico"> <link rel="stylesheet" href="../styles/style.css"> <link rel="stylesheet" href="../styles/dark.css"> </head> <body> <script> // Blocking script to avoid flickering dark mode // Dark mode toggle button var useDark = window.matchMedia('(prefers-color-scheme: dark)'); var darkModeState = useDark.matches; var $darkModeToggleSwitchers = document.querySelectorAll('.dark-mode-switch input'); var $darkModeToggles = document.querySelectorAll('.dark-mode-switch'); var darkModeStateLocal = localStorage.getItem('compodoc_darkmode-state'); function checkToggle(check) { for (var i = 0; i < $darkModeToggleSwitchers.length; i++) { $darkModeToggleSwitchers[i].checked = check; } } function toggleDarkMode(state) { if (window.localStorage) { localStorage.setItem('compodoc_darkmode-state', state); } checkToggle(state); const hasClass = document.body.classList.contains('dark'); if (state) { for (var i = 0; i < $darkModeToggles.length; i++) { $darkModeToggles[i].classList.add('dark'); } if (!hasClass) { document.body.classList.add('dark'); } } else { for (var i = 0; i < $darkModeToggles.length; i++) { $darkModeToggles[i].classList.remove('dark'); } if (hasClass) { document.body.classList.remove('dark'); } } } useDark.addEventListener('change', function (evt) { toggleDarkMode(evt.matches); }); if (darkModeStateLocal) { darkModeState = darkModeStateLocal === 'true'; } toggleDarkMode(darkModeState); </script> <div class="navbar navbar-default navbar-fixed-top d-md-none p-0"> <div class="d-flex"> <a href="../" class="navbar-brand">angular-form-system</a> <button type="button" class="btn btn-default btn-menu ion-ios-menu" id="btn-menu"></button> </div> </div> <div class="xs-menu menu" id="mobile-menu"> <div id="book-search-input" role="search"><input type="text" placeholder="Type to search"></div> <compodoc-menu></compodoc-menu> </div> <div class="container-fluid main"> <div class="row main"> <div class="d-none d-md-block menu"> <compodoc-menu mode="normal"></compodoc-menu> </div> <!-- START CONTENT --> <div class="content directive"> <div class="content-data"> <ol class="breadcrumb"> <li class="breadcrumb-item">Directives</li> <li class="breadcrumb-item" >ForFormArrayItemsDirective</li> </ol> <ul class="nav nav-tabs" role="tablist"> <li class="nav-item"> <a href="#info" class="nav-link" class="nav-link active" role="tab" id="info-tab" data-bs-toggle="tab" data-link="info">Info</a> </li> <li class="nav-item"> <a href="#source" class="nav-link" role="tab" id="source-tab" data-bs-toggle="tab" data-link="source">Source</a> </li> </ul> <div class="tab-content"> <div class="tab-pane fade active in" id="info"> <p class="comment"> <h3>File</h3> </p> <p class="comment"> <code>src/lib/directives/array/for-form-array-items.directive.ts</code> </p> <p class="comment"> <h3>Implements</h3> </p> <p class="comment"> <code>AfterViewInit</code> <code>OnDestroy</code> </p> <section data-compodoc="block-metadata"> <h3>Metadata</h3> <table class="table table-sm table-hover metadata"> <tbody> <tr> <td class="col-md-3">Selector</td> <td class="col-md-9"><code>[rxapForFormArrayItem]</code></td> </tr> <tr> <td class="col-md-3">Standalone</td> <td class="col-md-9"><code>true</code></td> </tr> </tbody> </table> </section> <section data-compodoc="block-constructor"> <h3 id="constructor">Constructor</h3> <table class="table table-sm table-bordered"> <tbody> <tr> <td class="col-md-4"> <code>constructor(container: ControlContainer, template: <a href="../interfaces/ForFormArrayItemsDirectiveContext.html" target="_self">TemplateRef&lt;ForFormArrayItemsDirectiveContext&gt;</a>, viewContainerRef: ViewContainerRef, cdr: ChangeDetectorRef)</code> </td> </tr> <tr> <td class="col-md-4"> <div class="io-line">Defined in <a href="" data-line="45" class="link-to-prism">src/lib/directives/array/for-form-array-items.directive.ts:45</a></div> </td> </tr> <tr> <td class="col-md-4"> <div> <b>Parameters :</b> <table class="params"> <thead> <tr> <td>Name</td> <td>Type</td> <td>Optional</td> </tr> </thead> <tbody> <tr> <td>container</td> <td> <code>ControlContainer</code> </td> <td> No </td> </tr> <tr> <td>template</td> <td> <code><a href="../interfaces/ForFormArrayItemsDirectiveContext.html" target="_self" >TemplateRef&lt;ForFormArrayItemsDirectiveContext&gt;</a></code> </td> <td> No </td> </tr> <tr> <td>viewContainerRef</td> <td> <code>ViewContainerRef</code> </td> <td> No </td> </tr> <tr> <td>cdr</td> <td> <code>ChangeDetectorRef</code> </td> <td> No </td> </tr> </tbody> </table> </div> </td> </tr> </tbody> </table> </section> </div> <div class="tab-pane fade tab-source-code" id="source"> <pre class="line-numbers compodoc-sourcecode"><code class="language-typescript">import { AfterViewInit, ChangeDetectorRef, Directive, OnDestroy, SkipSelf, TemplateRef, ViewContainerRef, } from &#x27;@angular/core&#x27;; import { ControlContainer, UntypedFormArray, UntypedFormGroup, } from &#x27;@angular/forms&#x27;; import { RxapFormArray } from &#x27;@rxap/forms&#x27;; import { debounceTime, distinctUntilChanged, map, pairwise, startWith, Subscription, tap, } from &#x27;rxjs&#x27;; export interface ForFormArrayItemsDirectiveContext { $implicit: UntypedFormGroup; index: number; last: boolean; first: boolean; even: boolean; odd: boolean; array: UntypedFormArray; } // TODO : move to rxap packages @Directive({ selector: &#x27;[rxapForFormArrayItem]&#x27;, standalone: true, }) export class ForFormArrayItemsDirective implements AfterViewInit, OnDestroy { private _formArrayValueSubscription?: Subscription; private formArray!: RxapFormArray; constructor( @SkipSelf() private readonly container: ControlContainer, private readonly template: TemplateRef&lt;ForFormArrayItemsDirectiveContext&gt;, private readonly viewContainerRef: ViewContainerRef, private readonly cdr: ChangeDetectorRef, ) { } ngAfterViewInit() { if (this.container.control instanceof RxapFormArray) { this.formArray &#x3D; this.container.control; this.container.control.value$.pipe( debounceTime(100), map(value &#x3D;&gt; value.length), distinctUntilChanged(), startWith(0), pairwise(), tap(([ a, b ]) &#x3D;&gt; { if (a !&#x3D;&#x3D; b) { this.render(b); } }), ).subscribe(); } else { throw new Error(&#x27;The control container is not an instance of RxapFormArray&#x27;); } } ngOnDestroy() { this._formArrayValueSubscription?.unsubscribe(); } private render(length: number) { this.viewContainerRef.clear(); for (let index &#x3D; 0; index &lt; length; index++) { const group &#x3D; this.formArray.at(index); if (group instanceof UntypedFormGroup) { this.viewContainerRef.createEmbeddedView( this.template, { $implicit: group, index, first: index &#x3D;&#x3D;&#x3D; 0, last: index &#x3D;&#x3D;&#x3D; length - 1, even: index % 2 &#x3D;&#x3D;&#x3D; 0, odd: index % 2 !&#x3D;&#x3D; 0, array: this.formArray, }, ); } else { throw new Error(&#x27;rxapForFormArrayItem only support FormArray with FormGroup as items&#x27;); } } this.cdr.detectChanges(); } } </code></pre> </div> </div> </div><div class="search-results"> <div class="has-results"> <h1 class="search-results-title"><span class='search-results-count'></span> results matching "<span class='search-query'></span>"</h1> <ul class="search-results-list"></ul> </div> <div class="no-results"> <h1 class="search-results-title">No results matching "<span class='search-query'></span>"</h1> </div> </div> </div> <!-- END CONTENT --> </div> </div> <label class="dark-mode-switch"> <input type="checkbox"> <span class="slider"> <svg class="slider-icon" viewBox="0 0 24 24" fill="none" height="20" stroke="#000" stroke-linecap="round" stroke-linejoin="round" stroke-width="2" width="20" xmlns="http://www.w3.org/2000/svg"> <path d="M21 12.79A9 9 0 1111.21 3 7 7 0 0021 12.79z"></path> </svg> </span> </label> <script> var COMPODOC_CURRENT_PAGE_DEPTH = 1; var COMPODOC_CURRENT_PAGE_CONTEXT = 'directive'; var COMPODOC_CURRENT_PAGE_URL = 'ForFormArrayItemsDirective.html'; var MAX_SEARCH_RESULTS = 15; </script> <script> $darkModeToggleSwitchers = document.querySelectorAll('.dark-mode-switch input'); 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