primeng
Version:
[](https://badge.fury.io/js/primeng) [](https://www.npmjs.com/package/primeng) [} event - Custom resize event.
* @group Emits
*/
onResize = new EventEmitter();
filled;
cachedScrollHeight;
ngModelSubscription;
ngControlSubscription;
constructor(el, ngModel, control, cd) {
this.el = el;
this.ngModel = ngModel;
this.control = control;
this.cd = cd;
}
ngOnInit() {
if (this.ngModel) {
this.ngModelSubscription = this.ngModel.valueChanges.subscribe(() => {
this.updateState();
});
}
if (this.control) {
this.ngControlSubscription = this.control.valueChanges.subscribe(() => {
this.updateState();
});
}
}
ngAfterViewInit() {
if (this.autoResize)
this.resize();
this.updateFilledState();
this.cd.detectChanges();
}
onInput(e) {
this.updateState();
}
updateFilledState() {
this.filled = this.el.nativeElement.value && this.el.nativeElement.value.length;
}
resize(event) {
this.el.nativeElement.style.height = 'auto';
this.el.nativeElement.style.height = this.el.nativeElement.scrollHeight + 'px';
if (parseFloat(this.el.nativeElement.style.height) >= parseFloat(this.el.nativeElement.style.maxHeight)) {
this.el.nativeElement.style.overflowY = 'scroll';
this.el.nativeElement.style.height = this.el.nativeElement.style.maxHeight;
}
else {
this.el.nativeElement.style.overflow = 'hidden';
}
this.onResize.emit(event || {});
}
updateState() {
this.updateFilledState();
if (this.autoResize) {
this.resize();
}
}
ngOnDestroy() {
if (this.ngModelSubscription) {
this.ngModelSubscription.unsubscribe();
}
if (this.ngControlSubscription) {
this.ngControlSubscription.unsubscribe();
}
}
static ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "17.3.1", ngImport: i0, type: InputTextarea, deps: [{ token: i0.ElementRef }, { token: i1.NgModel, optional: true }, { token: i1.NgControl, optional: true }, { token: i0.ChangeDetectorRef }], target: i0.ɵɵFactoryTarget.Directive });
static ɵdir = i0.ɵɵngDeclareDirective({ minVersion: "16.1.0", version: "17.3.1", type: InputTextarea, selector: "[pInputTextarea]", inputs: { autoResize: ["autoResize", "autoResize", booleanAttribute] }, outputs: { onResize: "onResize" }, host: { listeners: { "input": "onInput($event)" }, properties: { "class.p-filled": "filled", "class.p-inputtextarea-resizable": "autoResize" }, classAttribute: "p-inputtextarea p-inputtext p-component p-element" }, ngImport: i0 });
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "17.3.1", ngImport: i0, type: InputTextarea, decorators: [{
type: Directive,
args: [{
selector: '[pInputTextarea]',
host: {
class: 'p-inputtextarea p-inputtext p-component p-element',
'[class.p-filled]': 'filled',
'[class.p-inputtextarea-resizable]': 'autoResize'
}
}]
}], ctorParameters: () => [{ type: i0.ElementRef }, { type: i1.NgModel, decorators: [{
type: Optional
}] }, { type: i1.NgControl, decorators: [{
type: Optional
}] }, { type: i0.ChangeDetectorRef }], propDecorators: { autoResize: [{
type: Input,
args: [{ transform: booleanAttribute }]
}], onResize: [{
type: Output
}], onInput: [{
type: HostListener,
args: ['input', ['$event']]
}] } });
export class InputTextareaModule {
static ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "17.3.1", ngImport: i0, type: InputTextareaModule, deps: [], target: i0.ɵɵFactoryTarget.NgModule });
static ɵmod = i0.ɵɵngDeclareNgModule({ minVersion: "14.0.0", version: "17.3.1", ngImport: i0, type: InputTextareaModule, declarations: [InputTextarea], imports: [CommonModule], exports: [InputTextarea] });
static ɵinj = i0.ɵɵngDeclareInjector({ minVersion: "12.0.0", version: "17.3.1", ngImport: i0, type: InputTextareaModule, imports: [CommonModule] });
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "17.3.1", ngImport: i0, type: InputTextareaModule, decorators: [{
type: NgModule,
args: [{
imports: [CommonModule],
exports: [InputTextarea],
declarations: [InputTextarea]
}]
}] });
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Custom resize event.\n     * @group Emits\n     */\n    @Output() onResize: EventEmitter<Event | {}> = new EventEmitter<Event | {}>();\n\n    filled: boolean | undefined;\n\n    cachedScrollHeight: number | undefined;\n\n    ngModelSubscription: Subscription | undefined;\n\n    ngControlSubscription: Subscription | undefined;\n\n    constructor(public el: ElementRef, @Optional() public ngModel: NgModel, @Optional() public control: NgControl, private cd: ChangeDetectorRef) {}\n\n    ngOnInit() {\n        if (this.ngModel) {\n            this.ngModelSubscription = (this.ngModel as any).valueChanges.subscribe(() => {\n                this.updateState();\n            });\n        }\n\n        if (this.control) {\n            this.ngControlSubscription = (this.control as any).valueChanges.subscribe(() => {\n                this.updateState();\n            });\n        }\n    }\n\n    ngAfterViewInit() {\n        if (this.autoResize) this.resize();\n\n        this.updateFilledState();\n        this.cd.detectChanges();\n    }\n\n    @HostListener('input', ['$event'])\n    onInput(e: Event) {\n        this.updateState();\n    }\n\n    updateFilledState() {\n        this.filled = this.el.nativeElement.value && this.el.nativeElement.value.length;\n    }\n\n    resize(event?: Event) {\n        this.el.nativeElement.style.height = 'auto';\n        this.el.nativeElement.style.height = this.el.nativeElement.scrollHeight + 'px';\n\n        if (parseFloat(this.el.nativeElement.style.height) >= parseFloat(this.el.nativeElement.style.maxHeight)) {\n            this.el.nativeElement.style.overflowY = 'scroll';\n            this.el.nativeElement.style.height = this.el.nativeElement.style.maxHeight;\n        } else {\n            this.el.nativeElement.style.overflow = 'hidden';\n        }\n\n        this.onResize.emit(event || {});\n    }\n\n    updateState() {\n        this.updateFilledState();\n\n        if (this.autoResize) {\n            this.resize();\n        }\n    }\n\n    ngOnDestroy() {\n        if (this.ngModelSubscription) {\n            this.ngModelSubscription.unsubscribe();\n        }\n\n        if (this.ngControlSubscription) {\n            this.ngControlSubscription.unsubscribe();\n        }\n    }\n}\n\n@NgModule({\n    imports: [CommonModule],\n    exports: [InputTextarea],\n    declarations: [InputTextarea]\n})\nexport class InputTextareaModule {}\n"]}