@ng-dl/numeric-input
Version:
override browser's default behavior & localization on numeric inputs
100 lines • 14.1 kB
JavaScript
import { Directive, EventEmitter, Input, Optional, Output, } from '@angular/core';
import { fromEvent, merge, Subject } from 'rxjs';
import { map, takeUntil, tap } from 'rxjs/operators';
import { getFormattedValue, isAllowedKey, overrideInputType, validate, } from './numeric-input.utils';
import * as i0 from "@angular/core";
import * as i1 from "./locale.service";
import * as i2 from "@angular/forms";
export class NumericInputDirective {
constructor(hostElement, localeService, control) {
this.hostElement = hostElement;
this.localeService = localeService;
this.control = control;
this.localized = new EventEmitter();
this.decimalSeparators = this.localeService.getDecimalSeparators();
this.thousandSeparators = this.localeService.getThousandSeparators();
this.destroy$ = new Subject();
}
ngAfterViewInit() {
overrideInputType(this.el);
this.onKeyDown();
this.onFormSubmit();
this.onValueChange();
}
ngOnDestroy() {
this.destroy$.next();
}
setValue(value) {
const formattedValue = getFormattedValue(value, this.decimalSeparator, this.thousandsSeparator);
this.localized.emit(this.localeService.localizeNumber(formattedValue));
this.el.value = formattedValue.toString();
if (this.control) {
this.control.control?.patchValue(formattedValue);
}
}
onChange() {
return fromEvent(this.el, 'change').pipe(map(() => this.el.value));
}
onPaste() {
return fromEvent(this.el, 'paste').pipe(tap((e) => e.preventDefault()), map((e) => e.clipboardData?.getData('text/plain') || ''));
}
onDrop() {
return fromEvent(this.el, 'drop').pipe(tap((e) => e.preventDefault()), map((e) => e.dataTransfer?.getData('text') || ''));
}
onKeyDown() {
fromEvent(this.el, 'keydown')
.pipe(takeUntil(this.destroy$), tap((e) => {
this.el.setCustomValidity('');
if (isAllowedKey(e, this.decimalSeparators)) {
return;
}
e.preventDefault();
}))
.subscribe();
}
onFormSubmit() {
if (this.el.form) {
fromEvent(this.el.form, 'submit')
.pipe(takeUntil(this.destroy$), tap((e) => {
const formattedValue = getFormattedValue(this.el.value, this.decimalSeparator, this.thousandsSeparator);
const isValid = validate(this.el, formattedValue, this.min, this.max);
if (!isValid) {
e.preventDefault();
this.el.reportValidity();
}
}))
.subscribe();
}
}
onValueChange() {
merge(this.onChange(), this.onDrop(), this.onPaste())
.pipe(takeUntil(this.destroy$))
.subscribe((value) => this.setValue(value));
}
get el() {
return this.hostElement.nativeElement;
}
get decimalSeparator() {
return this.decimalSeparators[0];
}
get thousandsSeparator() {
return this.thousandSeparators[0];
}
}
NumericInputDirective.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "15.1.2", ngImport: i0, type: NumericInputDirective, deps: [{ token: i0.ElementRef }, { token: i1.LocaleService }, { token: i2.NgControl, optional: true }], target: i0.ɵɵFactoryTarget.Directive });
NumericInputDirective.ɵdir = i0.ɵɵngDeclareDirective({ minVersion: "14.0.0", version: "15.1.2", type: NumericInputDirective, selector: "[dlNumericInput]", inputs: { min: "min", max: "max" }, outputs: { localized: "localized" }, ngImport: i0 });
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "15.1.2", ngImport: i0, type: NumericInputDirective, decorators: [{
type: Directive,
args: [{
selector: '[dlNumericInput]',
}]
}], ctorParameters: function () { return [{ type: i0.ElementRef }, { type: i1.LocaleService }, { type: i2.NgControl, decorators: [{
type: Optional
}] }]; }, propDecorators: { min: [{
type: Input
}], max: [{
type: Input
}], localized: [{
type: Output
}] } });
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{\n  AfterViewInit,\n  Directive,\n  ElementRef,\n  EventEmitter,\n  Input,\n  OnDestroy,\n  Optional,\n  Output,\n} from '@angular/core';\nimport { NgControl } from '@angular/forms';\nimport { fromEvent, merge, Observable, Subject } from 'rxjs';\nimport { map, takeUntil, tap } from 'rxjs/operators';\nimport { LocaleService } from './locale.service';\nimport {\n  getFormattedValue,\n  isAllowedKey,\n  overrideInputType,\n  validate,\n} from './numeric-input.utils';\n\n@Directive({\n  selector: '[dlNumericInput]',\n})\nexport class NumericInputDirective implements AfterViewInit, OnDestroy {\n  @Input() min: number;\n  @Input() max: number;\n  @Output() localized = new EventEmitter<string>();\n\n  private readonly decimalSeparators = this.localeService.getDecimalSeparators();\n  private readonly thousandSeparators = this.localeService.getThousandSeparators();\n  private readonly destroy$ = new Subject<void>();\n\n  constructor(\n    private hostElement: ElementRef,\n    private localeService: LocaleService,\n    @Optional() private control?: NgControl\n  ) {}\n\n  ngAfterViewInit(): void {\n    overrideInputType(this.el);\n    this.onKeyDown();\n    this.onFormSubmit();\n    this.onValueChange();\n  }\n\n  ngOnDestroy(): void {\n    this.destroy$.next();\n  }\n\n  private setValue(value: string): void {\n    const formattedValue = getFormattedValue(value, this.decimalSeparator, this.thousandsSeparator);\n    this.localized.emit(this.localeService.localizeNumber(formattedValue));\n    this.el.value = formattedValue.toString();\n    if (this.control) {\n      this.control.control?.patchValue(formattedValue);\n    }\n  }\n\n  private onChange(): Observable<string> {\n    return fromEvent(this.el, 'change').pipe(map(() => this.el.value));\n  }\n\n  private onPaste(): Observable<string> {\n    return fromEvent(this.el, 'paste').pipe(\n      tap((e: ClipboardEvent) => e.preventDefault()),\n      map((e: ClipboardEvent) => e.clipboardData?.getData('text/plain') || '')\n    );\n  }\n\n  private onDrop(): Observable<string> {\n    return fromEvent(this.el, 'drop').pipe(\n      tap((e: DragEvent) => e.preventDefault()),\n      map((e: DragEvent) => e.dataTransfer?.getData('text') || '')\n    );\n  }\n\n  private onKeyDown(): void {\n    fromEvent(this.el, 'keydown')\n      .pipe(\n        takeUntil(this.destroy$),\n        tap((e: KeyboardEvent) => {\n          this.el.setCustomValidity('');\n          if (isAllowedKey(e, this.decimalSeparators)) {\n            return;\n          }\n          e.preventDefault();\n        })\n      )\n      .subscribe();\n  }\n\n  private onFormSubmit(): void {\n    if (this.el.form) {\n      fromEvent(this.el.form, 'submit')\n        .pipe(\n          takeUntil(this.destroy$),\n          tap((e) => {\n            const formattedValue = getFormattedValue(\n              this.el.value,\n              this.decimalSeparator,\n              this.thousandsSeparator\n            );\n            const isValid = validate(this.el, formattedValue, this.min, this.max);\n            if (!isValid) {\n              e.preventDefault();\n              this.el.reportValidity();\n            }\n          })\n        )\n        .subscribe();\n    }\n  }\n\n  private onValueChange(): void {\n    merge(this.onChange(), this.onDrop(), this.onPaste())\n      .pipe(takeUntil(this.destroy$))\n      .subscribe((value) => this.setValue(value));\n  }\n\n  private get el(): HTMLInputElement {\n    return this.hostElement.nativeElement;\n  }\n\n  private get decimalSeparator(): string {\n    return this.decimalSeparators[0];\n  }\n\n  private get thousandsSeparator(): string {\n    return this.thousandSeparators[0];\n  }\n}\n"]}