@ng-doc/ui-kit/fesm2022/ng-doc-ui-kit-components-magnifier.mjs.map

<!-- PROJECT LOGO --> <br /> <div align="center"> <a href="https://github.com/ng-doc/ng-doc"> <img src="https://ng-doc.com/assets/images/ng-doc.svg?raw=true" alt="Logo" height="150px"> </a>

{"version":3,"file":"ng-doc-ui-kit-components-magnifier.mjs","sources":["../../../../libs/ui-kit/components/magnifier/magnifier.component.ts","../../../../libs/ui-kit/components/magnifier/magnifier.component.html","../../../../libs/ui-kit/components/magnifier/ng-doc-ui-kit-components-magnifier.ts"],"sourcesContent":["import { DOCUMENT } from '@angular/common';\nimport {\n  ChangeDetectionStrategy,\n  Component,\n  computed,\n  DestroyRef,\n  ElementRef,\n  inject,\n  NgZone,\n  OnInit,\n  signal,\n} from '@angular/core';\nimport { takeUntilDestroyed } from '@angular/core/rxjs-interop';\nimport { fromEvent } from 'rxjs';\nimport { filter, switchMap, takeUntil, tap } from 'rxjs/operators';\n\n/**\n *\n * @param event\n */\nfunction isMouseEvent(event: Event): event is MouseEvent {\n  return event instanceof MouseEvent;\n}\n\n/**\n *\n * @param event\n */\nfunction isWheelEvent(event: Event): event is WheelEvent {\n  return event instanceof WheelEvent;\n}\n\n@Component({\n  selector: 'ng-doc-magnifier',\n  imports: [],\n  templateUrl: './magnifier.component.html',\n  styleUrl: './magnifier.component.scss',\n  changeDetection: ChangeDetectionStrategy.OnPush,\n  host: {\n    '[attr.data-drag]': 'drag()',\n  },\n})\nexport class NgDocMagnifierComponent implements OnInit {\n  protected readonly x = signal<number>(0);\n  protected readonly y = signal<number>(0);\n  protected readonly scale = signal<number>(1);\n  protected readonly transform;\n  protected readonly drag = signal<boolean>(false);\n\n  protected readonly document = inject(DOCUMENT);\n  protected readonly element = inject<ElementRef<HTMLElement>>(ElementRef).nativeElement;\n  protected readonly ngZone = inject(NgZone);\n  protected readonly destroyRef = inject(DestroyRef);\n\n  constructor() {\n    this.transform = computed(() => {\n      const scale = this.scale();\n      const x = this.x();\n      const y = this.y();\n      return `matrix(${scale}, 0, 0, ${scale}, ${x * scale}, ${y * scale})`;\n    });\n  }\n\n  ngOnInit(): void {\n    fromEvent(this.element, 'mousedown')\n      .pipe(\n        switchMap((event: Event) => {\n          event.preventDefault();\n          this.drag.set(true);\n\n          return fromEvent(this.document, 'mousemove').pipe(\n            filter(isMouseEvent),\n            takeUntil(fromEvent(this.document, 'mouseup')),\n            tap({ complete: () => this.drag.set(false) }),\n          );\n        }),\n        takeUntilDestroyed(this.destroyRef),\n      )\n      .subscribe((event: MouseEvent) => {\n        this.x.update((x) => x + event.movementX / this.scale());\n        this.y.update((y) => y + event.movementY / this.scale());\n      });\n\n    fromEvent(this.element, 'wheel')\n      .pipe(filter(isWheelEvent), takeUntilDestroyed(this.destroyRef))\n      .subscribe((event: WheelEvent) => {\n        event.preventDefault();\n\n        this.scale.update((scale) => Math.max(scale * (1 + event.deltaY / 1000), 1));\n      });\n  }\n\n  incrementX(x: number): void {\n    this.x.update((current) => current + x / this.scale());\n  }\n\n  incrementY(y: number): void {\n    this.y.update((current) => current + y / this.scale());\n  }\n\n  zoom(diff: number): void {\n    this.scale.update((scale) => Math.max(scale * (1 + diff / 1000), 1));\n  }\n\n  reset(): void {\n    this.x.set(0);\n    this.y.set(0);\n    this.scale.set(1);\n  }\n}\n","<div class=\"ng-doc-magnifier-container\" [style.transform]=\"transform()\">\n  <ng-content></ng-content>\n</div>\n","/**\n * Generated bundle index. 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