UNPKG

ng-zorro-antd

Version:

An enterprise-class UI components based on Ant Design and Angular

ng.ant.design

NG-ZORRO/ng-zorro-antd

1 lines • 11.7 kB
1
{"version":3,"file":"ng-zorro-antd-cdk-resize-observer.mjs","sources":["../../components/cdk/resize-observer/resize-observer.service.ts","../../components/cdk/resize-observer/resize-observer.directive.ts","../../components/cdk/resize-observer/resize-observer.module.ts","../../components/cdk/resize-observer/public-api.ts","../../components/cdk/resize-observer/ng-zorro-antd-cdk-resize-observer.ts"],"sourcesContent":["/**\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE\n */\n\nimport { coerceElement } from '@angular/cdk/coercion';\nimport { ElementRef, Injectable, OnDestroy } from '@angular/core';\nimport { Observable, Observer, Subject } from 'rxjs';\n\n/**\n * Factory that creates a new ResizeObserver and allows us to stub it out in unit tests.\n */\n@Injectable({ providedIn: 'root' })\nexport class NzResizeObserverFactory {\n create(callback: ResizeObserverCallback): ResizeObserver | null {\n return typeof ResizeObserver === 'undefined' ? null : new ResizeObserver(callback);\n }\n}\n\n/** An injectable service that allows watching elements for changes to their content. */\n@Injectable({ providedIn: 'root' })\nexport class NzResizeObserver implements OnDestroy {\n /** Keeps track of the existing ResizeObservers so they can be reused. */\n private observedElements = new Map<\n Element,\n {\n observer: ResizeObserver | null;\n stream: Subject<ResizeObserverEntry[]>;\n count: number;\n }\n >();\n\n constructor(private nzResizeObserverFactory: NzResizeObserverFactory) {}\n\n ngOnDestroy(): void {\n this.observedElements.forEach((_, element) => this.cleanupObserver(element));\n }\n\n observe(elementOrRef: Element | ElementRef<Element>): Observable<ResizeObserverEntry[]> {\n const element = coerceElement(elementOrRef);\n\n return new Observable((observer: Observer<ResizeObserverEntry[]>) => {\n const stream = this.observeElement(element);\n const subscription = stream.subscribe(observer);\n\n return () => {\n subscription.unsubscribe();\n this.unobserveElement(element);\n };\n });\n }\n\n /**\n * Observes the given element by using the existing ResizeObserver if available, or creating a\n * new one if not.\n */\n private observeElement(element: Element): Subject<ResizeObserverEntry[]> {\n if (!this.observedElements.has(element)) {\n const stream = new Subject<ResizeObserverEntry[]>();\n const observer = this.nzResizeObserverFactory.create((mutations: ResizeObserverEntry[]) =>\n stream.next(mutations)\n );\n if (observer) {\n observer.observe(element);\n }\n this.observedElements.set(element, { observer, stream, count: 1 });\n } else {\n this.observedElements.get(element)!.count++;\n }\n return this.observedElements.get(element)!.stream;\n }\n\n /**\n * Un-observes the given element and cleans up the underlying ResizeObserver if nobody else is\n * observing this element.\n */\n private unobserveElement(element: Element): void {\n if (this.observedElements.has(element)) {\n this.observedElements.get(element)!.count--;\n if (!this.observedElements.get(element)!.count) {\n this.cleanupObserver(element);\n }\n }\n }\n\n /** Clean up the underlying ResizeObserver for the specified element. */\n private cleanupObserver(element: Element): void {\n if (this.observedElements.has(element)) {\n const { observer, stream } = this.observedElements.get(element)!;\n if (observer) {\n observer.disconnect();\n }\n stream.complete();\n this.observedElements.delete(element);\n }\n }\n}\n","/**\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE\n */\n\nimport {\n AfterContentInit,\n Directive,\n ElementRef,\n EventEmitter,\n Input,\n OnChanges,\n OnDestroy,\n Output,\n SimpleChanges\n} from '@angular/core';\nimport { Subscription } from 'rxjs';\n\nimport { BooleanInput } from 'ng-zorro-antd/core/types';\nimport { InputBoolean } from 'ng-zorro-antd/core/util';\n\nimport { NzResizeObserver } from './resize-observer.service';\n\n@Directive({\n selector: '[nzResizeObserver]'\n})\nexport class NzResizeObserverDirective implements AfterContentInit, OnDestroy, OnChanges {\n static ngAcceptInputType_nzResizeObserverDisabled: BooleanInput;\n @Output() readonly nzResizeObserve = new EventEmitter<ResizeObserverEntry[]>();\n @Input() @InputBoolean() nzResizeObserverDisabled = false;\n private currentSubscription: Subscription | null = null;\n\n private subscribe(): void {\n this.unsubscribe();\n this.currentSubscription = this.nzResizeObserver.observe(this.elementRef).subscribe(this.nzResizeObserve);\n }\n\n private unsubscribe(): void {\n this.currentSubscription?.unsubscribe();\n }\n\n constructor(private nzResizeObserver: NzResizeObserver, private elementRef: ElementRef<HTMLElement>) {}\n\n ngAfterContentInit(): void {\n if (!this.currentSubscription && !this.nzResizeObserverDisabled) {\n this.subscribe();\n }\n }\n\n ngOnDestroy(): void {\n this.unsubscribe();\n }\n\n ngOnChanges(changes: SimpleChanges): void {\n const { nzResizeObserve } = changes;\n if (nzResizeObserve) {\n if (this.nzResizeObserverDisabled) {\n this.unsubscribe();\n } else {\n this.subscribe();\n }\n }\n }\n}\n","/**\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE\n */\n\nimport { NgModule } from '@angular/core';\n\nimport { NzResizeObserverDirective } from './resize-observer.directive';\nimport { NzResizeObserverFactory } from './resize-observer.service';\n\n@NgModule({\n providers: [NzResizeObserverFactory],\n declarations: [NzResizeObserverDirective],\n exports: [NzResizeObserverDirective]\n})\nexport class NzResizeObserverModule {}\n","/**\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE\n */\n\nexport { NzResizeObserverModule } from './resize-observer.module';\nexport { NzResizeObserverDirective } from './resize-observer.directive';\nexport { NzResizeObserver, NzResizeObserverFactory } from './resize-observer.service';\n","/**\n * Generated bundle index. Do not edit.\n */\n\nexport * from './public-api';\n"],"names":["i1.NzResizeObserver"],"mappings":";;;;;;;AAAA;;;AAGG;AAMH;;AAEG;MAEU,uBAAuB,CAAA;AAClC,IAAA,MAAM,CAAC,QAAgC,EAAA;AACrC,QAAA,OAAO,OAAO,cAAc,KAAK,WAAW,GAAG,IAAI,GAAG,IAAI,cAAc,CAAC,QAAQ,CAAC,CAAC;KACpF;;oHAHU,uBAAuB,EAAA,IAAA,EAAA,EAAA,EAAA,MAAA,EAAA,EAAA,CAAA,eAAA,CAAA,UAAA,EAAA,CAAA,CAAA;AAAvB,uBAAA,CAAA,KAAA,GAAA,EAAA,CAAA,qBAAA,CAAA,EAAA,UAAA,EAAA,QAAA,EAAA,OAAA,EAAA,QAAA,EAAA,QAAA,EAAA,EAAA,EAAA,IAAA,EAAA,uBAAuB,cADV,MAAM,EAAA,CAAA,CAAA;2FACnB,uBAAuB,EAAA,UAAA,EAAA,CAAA;kBADnC,UAAU;mBAAC,EAAE,UAAU,EAAE,MAAM,EAAE,CAAA;;AAOlC;MAEa,gBAAgB,CAAA;AAW3B,IAAA,WAAA,CAAoB,uBAAgD,EAAA;AAAhD,QAAA,IAAuB,CAAA,uBAAA,GAAvB,uBAAuB,CAAyB;;AAT5D,QAAA,IAAA,CAAA,gBAAgB,GAAG,IAAI,GAAG,EAO/B,CAAC;KAEoE;IAExE,WAAW,GAAA;AACT,QAAA,IAAI,CAAC,gBAAgB,CAAC,OAAO,CAAC,CAAC,CAAC,EAAE,OAAO,KAAK,IAAI,CAAC,eAAe,CAAC,OAAO,CAAC,CAAC,CAAC;KAC9E;AAED,IAAA,OAAO,CAAC,YAA2C,EAAA;AACjD,QAAA,MAAM,OAAO,GAAG,aAAa,CAAC,YAAY,CAAC,CAAC;AAE5C,QAAA,OAAO,IAAI,UAAU,CAAC,CAAC,QAAyC,KAAI;YAClE,MAAM,MAAM,GAAG,IAAI,CAAC,cAAc,CAAC,OAAO,CAAC,CAAC;YAC5C,MAAM,YAAY,GAAG,MAAM,CAAC,SAAS,CAAC,QAAQ,CAAC,CAAC;AAEhD,YAAA,OAAO,MAAK;gBACV,YAAY,CAAC,WAAW,EAAE,CAAC;AAC3B,gBAAA,IAAI,CAAC,gBAAgB,CAAC,OAAO,CAAC,CAAC;AACjC,aAAC,CAAC;AACJ,SAAC,CAAC,CAAC;KACJ;AAED;;;AAGG;AACK,IAAA,cAAc,CAAC,OAAgB,EAAA;QACrC,IAAI,CAAC,IAAI,CAAC,gBAAgB,CAAC,GAAG,CAAC,OAAO,CAAC,EAAE;AACvC,YAAA,MAAM,MAAM,GAAG,IAAI,OAAO,EAAyB,CAAC;YACpD,MAAM,QAAQ,GAAG,IAAI,CAAC,uBAAuB,CAAC,MAAM,CAAC,CAAC,SAAgC,KACpF,MAAM,CAAC,IAAI,CAAC,SAAS,CAAC,CACvB,CAAC;AACF,YAAA,IAAI,QAAQ,EAAE;AACZ,gBAAA,QAAQ,CAAC,OAAO,CAAC,OAAO,CAAC,CAAC;AAC3B,aAAA;AACD,YAAA,IAAI,CAAC,gBAAgB,CAAC,GAAG,CAAC,OAAO,EAAE,EAAE,QAAQ,EAAE,MAAM,EAAE,KAAK,EAAE,CAAC,EAAE,CAAC,CAAC;AACpE,SAAA;AAAM,aAAA;YACL,IAAI,CAAC,gBAAgB,CAAC,GAAG,CAAC,OAAO,CAAE,CAAC,KAAK,EAAE,CAAC;AAC7C,SAAA;QACD,OAAO,IAAI,CAAC,gBAAgB,CAAC,GAAG,CAAC,OAAO,CAAE,CAAC,MAAM,CAAC;KACnD;AAED;;;AAGG;AACK,IAAA,gBAAgB,CAAC,OAAgB,EAAA;QACvC,IAAI,IAAI,CAAC,gBAAgB,CAAC,GAAG,CAAC,OAAO,CAAC,EAAE;YACtC,IAAI,CAAC,gBAAgB,CAAC,GAAG,CAAC,OAAO,CAAE,CAAC,KAAK,EAAE,CAAC;YAC5C,IAAI,CAAC,IAAI,CAAC,gBAAgB,CAAC,GAAG,CAAC,OAAO,CAAE,CAAC,KAAK,EAAE;AAC9C,gBAAA,IAAI,CAAC,eAAe,CAAC,OAAO,CAAC,CAAC;AAC/B,aAAA;AACF,SAAA;KACF;;AAGO,IAAA,eAAe,CAAC,OAAgB,EAAA;QACtC,IAAI,IAAI,CAAC,gBAAgB,CAAC,GAAG,CAAC,OAAO,CAAC,EAAE;AACtC,YAAA,MAAM,EAAE,QAAQ,EAAE,MAAM,EAAE,GAAG,IAAI,CAAC,gBAAgB,CAAC,GAAG,CAAC,OAAO,CAAE,CAAC;AACjE,YAAA,IAAI,QAAQ,EAAE;gBACZ,QAAQ,CAAC,UAAU,EAAE,CAAC;AACvB,aAAA;YACD,MAAM,CAAC,QAAQ,EAAE,CAAC;AAClB,YAAA,IAAI,CAAC,gBAAgB,CAAC,MAAM,CAAC,OAAO,CAAC,CAAC;AACvC,SAAA;KACF;;6GA1EU,gBAAgB,EAAA,IAAA,EAAA,CAAA,EAAA,KAAA,EAAA,uBAAA,EAAA,CAAA,EAAA,MAAA,EAAA,EAAA,CAAA,eAAA,CAAA,UAAA,EAAA,CAAA,CAAA;AAAhB,gBAAA,CAAA,KAAA,GAAA,EAAA,CAAA,qBAAA,CAAA,EAAA,UAAA,EAAA,QAAA,EAAA,OAAA,EAAA,QAAA,EAAA,QAAA,EAAA,EAAA,EAAA,IAAA,EAAA,gBAAgB,cADH,MAAM,EAAA,CAAA,CAAA;2FACnB,gBAAgB,EAAA,UAAA,EAAA,CAAA;kBAD5B,UAAU;mBAAC,EAAE,UAAU,EAAE,MAAM,EAAE,CAAA;;;MCMrB,yBAAyB,CAAA;IAepC,WAAoB,CAAA,gBAAkC,EAAU,UAAmC,EAAA;AAA/E,QAAA,IAAgB,CAAA,gBAAA,GAAhB,gBAAgB,CAAkB;AAAU,QAAA,IAAU,CAAA,UAAA,GAAV,UAAU,CAAyB;AAbhF,QAAA,IAAA,CAAA,eAAe,GAAG,IAAI,YAAY,EAAyB,CAAC;AACtD,QAAA,IAAwB,CAAA,wBAAA,GAAG,KAAK,CAAC;AAClD,QAAA,IAAmB,CAAA,mBAAA,GAAwB,IAAI,CAAC;KAW+C;IAT/F,SAAS,GAAA;QACf,IAAI,CAAC,WAAW,EAAE,CAAC;QACnB,IAAI,CAAC,mBAAmB,GAAG,IAAI,CAAC,gBAAgB,CAAC,OAAO,CAAC,IAAI,CAAC,UAAU,CAAC,CAAC,SAAS,CAAC,IAAI,CAAC,eAAe,CAAC,CAAC;KAC3G;IAEO,WAAW,GAAA;;AACjB,QAAA,CAAA,EAAA,GAAA,IAAI,CAAC,mBAAmB,MAAE,IAAA,IAAA,EAAA,KAAA,KAAA,CAAA,GAAA,KAAA,CAAA,GAAA,EAAA,CAAA,WAAW,EAAE,CAAC;KACzC;IAID,kBAAkB,GAAA;QAChB,IAAI,CAAC,IAAI,CAAC,mBAAmB,IAAI,CAAC,IAAI,CAAC,wBAAwB,EAAE;YAC/D,IAAI,CAAC,SAAS,EAAE,CAAC;AAClB,SAAA;KACF;IAED,WAAW,GAAA;QACT,IAAI,CAAC,WAAW,EAAE,CAAC;KACpB;AAED,IAAA,WAAW,CAAC,OAAsB,EAAA;AAChC,QAAA,MAAM,EAAE,eAAe,EAAE,GAAG,OAAO,CAAC;AACpC,QAAA,IAAI,eAAe,EAAE;YACnB,IAAI,IAAI,CAAC,wBAAwB,EAAE;gBACjC,IAAI,CAAC,WAAW,EAAE,CAAC;AACpB,aAAA;AAAM,iBAAA;gBACL,IAAI,CAAC,SAAS,EAAE,CAAC;AAClB,aAAA;AACF,SAAA;KACF;;sHApCU,yBAAyB,EAAA,IAAA,EAAA,CAAA,EAAA,KAAA,EAAAA,gBAAA,EAAA,EAAA,EAAA,KAAA,EAAA,EAAA,CAAA,UAAA,EAAA,CAAA,EAAA,MAAA,EAAA,EAAA,CAAA,eAAA,CAAA,SAAA,EAAA,CAAA,CAAA;0GAAzB,yBAAyB,EAAA,QAAA,EAAA,oBAAA,EAAA,MAAA,EAAA,EAAA,wBAAA,EAAA,0BAAA,EAAA,EAAA,OAAA,EAAA,EAAA,eAAA,EAAA,iBAAA,EAAA,EAAA,aAAA,EAAA,IAAA,EAAA,QAAA,EAAA,EAAA,EAAA,CAAA,CAAA;AAGX,UAAA,CAAA;AAAf,IAAA,YAAY,EAAE;CAAkC,EAAA,yBAAA,CAAA,SAAA,EAAA,0BAAA,EAAA,KAAA,CAAA,CAAA,CAAA;2FAH/C,yBAAyB,EAAA,UAAA,EAAA,CAAA;kBAHrC,SAAS;AAAC,YAAA,IAAA,EAAA,CAAA;AACT,oBAAA,QAAQ,EAAE,oBAAoB;iBAC/B,CAAA;6HAGoB,eAAe,EAAA,CAAA;sBAAjC,MAAM;gBACkB,wBAAwB,EAAA,CAAA;sBAAhD,KAAK;;;AC7BR;;;AAGG;MAYU,sBAAsB,CAAA;;mHAAtB,sBAAsB,EAAA,IAAA,EAAA,EAAA,EAAA,MAAA,EAAA,EAAA,CAAA,eAAA,CAAA,QAAA,EAAA,CAAA,CAAA;oHAAtB,sBAAsB,EAAA,YAAA,EAAA,CAHlB,yBAAyB,CAAA,EAAA,OAAA,EAAA,CAC9B,yBAAyB,CAAA,EAAA,CAAA,CAAA;oHAExB,sBAAsB,EAAA,SAAA,EAJtB,CAAC,uBAAuB,CAAC,EAAA,CAAA,CAAA;2FAIzB,sBAAsB,EAAA,UAAA,EAAA,CAAA;kBALlC,QAAQ;AAAC,YAAA,IAAA,EAAA,CAAA;oBACR,SAAS,EAAE,CAAC,uBAAuB,CAAC;oBACpC,YAAY,EAAE,CAAC,yBAAyB,CAAC;oBACzC,OAAO,EAAE,CAAC,yBAAyB,CAAC;iBACrC,CAAA;;;ACdD;;;AAGG;;ACHH;;AAEG;;;;"}