@pshurygin/ngx-quicklink
Version:
Quicklink for Angular
96 lines • 12 kB
JavaScript
import * as tslib_1 from "tslib";
import { Injectable, InjectionToken, NgZone } from '@angular/core';
import { RouterPreloader } from '@angular/router';
import { PrefetchRegistry } from './prefetch-registry.service';
var ɵ0 = function (cb) {
var start = Date.now();
return setTimeout(function () {
cb({
didTimeout: false,
timeRemaining: function () {
return Math.max(0, 50 - (Date.now() - start));
}
});
}, 1);
}, ɵ1 = function () { };
var requestIdleCallback = typeof window !== 'undefined'
? window.requestIdleCallback || ɵ0
: ɵ1;
var observerSupported = function () {
return typeof window !== 'undefined' ? !!window.IntersectionObserver : false;
};
var ɵ2 = observerSupported;
export var LinkHandler = new InjectionToken('LinkHandler');
var ObservableLinkHandler = /** @class */ (function () {
function ObservableLinkHandler(loader, queue, ngZone) {
var _this = this;
this.loader = loader;
this.queue = queue;
this.ngZone = ngZone;
this.elementLink = new Map();
this.observer = observerSupported()
? new IntersectionObserver(function (entries) {
entries.forEach(function (entry) {
if (entry.isIntersecting) {
var link = entry.target;
var routerLink_1 = _this.elementLink.get(link);
if (!routerLink_1 || !routerLink_1.urlTree)
return;
_this.queue.add(routerLink_1.urlTree);
_this.observer.unobserve(link);
requestIdleCallback(function () {
_this.loader.preload().subscribe(function () { return void 0; });
_this.queue.remove(routerLink_1.urlTree);
});
}
});
})
: null;
}
ObservableLinkHandler.prototype.register = function (el) {
var _this = this;
this.elementLink.set(el.element, el);
this.ngZone.runOutsideAngular(function () {
_this.observer.observe(el.element);
});
};
// First call to unregister will not hit this.
ObservableLinkHandler.prototype.unregister = function (el) {
if (this.elementLink.has(el.element)) {
this.observer.unobserve(el.element);
this.elementLink.delete(el.element);
}
};
ObservableLinkHandler.prototype.supported = function () {
return observerSupported();
};
ObservableLinkHandler = tslib_1.__decorate([
Injectable(),
tslib_1.__metadata("design:paramtypes", [RouterPreloader, PrefetchRegistry, NgZone])
], ObservableLinkHandler);
return ObservableLinkHandler;
}());
export { ObservableLinkHandler };
var PreloadLinkHandler = /** @class */ (function () {
function PreloadLinkHandler(loader, queue) {
this.loader = loader;
this.queue = queue;
}
PreloadLinkHandler.prototype.register = function (el) {
var _this = this;
this.queue.add(el.urlTree);
requestIdleCallback(function () { return _this.loader.preload().subscribe(function () { return void 0; }); });
};
PreloadLinkHandler.prototype.unregister = function (_) { };
PreloadLinkHandler.prototype.supported = function () {
return true;
};
PreloadLinkHandler = tslib_1.__decorate([
Injectable(),
tslib_1.__metadata("design:paramtypes", [RouterPreloader, PrefetchRegistry])
], PreloadLinkHandler);
return PreloadLinkHandler;
}());
export { PreloadLinkHandler };
export { ɵ0, ɵ1, ɵ2 };
//# sourceMappingURL=data:application/json;base64,{"version":3,"file":"link-handler.service.js","sourceRoot":"ng://@pshurygin/ngx-quicklink/","sources":["src/link-handler.service.ts"],"names":[],"mappings":";AAAA,OAAO,EAAE,UAAU,EAAE,cAAc,EAAE,MAAM,EAAE,MAAM,eAAe,CAAC;AAEnE,OAAO,EAAE,eAAe,EAAE,MAAM,iBAAiB,CAAC;AAElD,OAAO,EAAE,gBAAgB,EAAE,MAAM,6BAA6B,CAAC;SAmBzD,UAAS,EAAY;IACnB,IAAM,KAAK,GAAG,IAAI,CAAC,GAAG,EAAE,CAAC;IACzB,OAAO,UAAU,CAAC;QAChB,EAAE,CAAC;YACD,UAAU,EAAE,KAAK;YACjB,aAAa,EAAE;gBACb,OAAO,IAAI,CAAC,GAAG,CAAC,CAAC,EAAE,EAAE,GAAG,CAAC,IAAI,CAAC,GAAG,EAAE,GAAG,KAAK,CAAC,CAAC,CAAC;YAChD,CAAC;SACF,CAAC,CAAC;IACL,CAAC,EAAE,CAAC,CAAC,CAAC;AACR,CAAC,OACD,cAAO,CAAC;AAdd,IAAM,mBAAmB,GACvB,OAAO,MAAM,KAAK,WAAW;IAC3B,CAAC,CAAE,MAAc,CAAC,mBAAmB,MAWlC;IACH,CAAC,GAAS,CAAC;AAEf,IAAM,iBAAiB,GAAG;IACxB,OAAA,OAAO,MAAM,KAAK,WAAW,CAAC,CAAC,CAAC,CAAC,CAAE,MAAc,CAAC,oBAAoB,CAAC,CAAC,CAAC,KAAK;AAA9E,CAA8E,CAAC;;AAEjF,MAAM,CAAC,IAAM,WAAW,GAAG,IAAI,cAAc,CAAC,aAAa,CAAC,CAAC;AAG7D;IAsBE,+BAAoB,MAAuB,EAAU,KAAuB,EAAU,MAAc;QAApG,iBAAwG;QAApF,WAAM,GAAN,MAAM,CAAiB;QAAU,UAAK,GAAL,KAAK,CAAkB;QAAU,WAAM,GAAN,MAAM,CAAQ;QArB5F,gBAAW,GAAG,IAAI,GAAG,EAA0B,CAAC;QAChD,aAAQ,GAAgC,iBAAiB,EAAE;YACjE,CAAC,CAAC,IAAI,oBAAoB,CAAC,UAAA,OAAO;gBAC9B,OAAO,CAAC,OAAO,CAAC,UAAA,KAAK;oBACnB,IAAI,KAAK,CAAC,cAAc,EAAE;wBACxB,IAAM,IAAI,GAAG,KAAK,CAAC,MAA2B,CAAC;wBAE/C,IAAM,YAAU,GAAG,KAAI,CAAC,WAAW,CAAC,GAAG,CAAC,IAAI,CAAC,CAAC;wBAC9C,IAAK,CAAC,YAAU,IAAI,CAAC,YAAU,CAAC,OAAO;4BAAG,OAAO;wBAEjD,KAAI,CAAC,KAAK,CAAC,GAAG,CAAC,YAAU,CAAC,OAAO,CAAC,CAAC;wBACnC,KAAI,CAAC,QAAQ,CAAC,SAAS,CAAC,IAAI,CAAC,CAAC;wBAC9B,mBAAmB,CAAC;4BAClB,KAAI,CAAC,MAAM,CAAC,OAAO,EAAE,CAAC,SAAS,CAAC,cAAM,OAAA,KAAK,CAAC,EAAN,CAAM,CAAC,CAAC;4BAC9C,KAAI,CAAC,KAAK,CAAC,MAAM,CAAC,YAAU,CAAC,OAAO,CAAC,CAAC;wBACxC,CAAC,CAAC,CAAC;qBACJ;gBACH,CAAC,CAAC,CAAC;YACL,CAAC,CAAC;YACJ,CAAC,CAAC,IAAI,CAAC;IAE8F,CAAC;IAExG,wCAAQ,GAAR,UAAS,EAAiB;QAA1B,iBAKC;QAJC,IAAI,CAAC,WAAW,CAAC,GAAG,CAAC,EAAE,CAAC,OAAO,EAAE,EAAE,CAAC,CAAC;QACrC,IAAI,CAAC,MAAM,CAAC,iBAAiB,CAAC;YAC5B,KAAI,CAAC,QAAQ,CAAC,OAAO,CAAC,EAAE,CAAC,OAAO,CAAC,CAAC;QACpC,CAAC,CAAC,CAAC;IACL,CAAC;IAED,8CAA8C;IAC9C,0CAAU,GAAV,UAAW,EAAiB;QAC1B,IAAI,IAAI,CAAC,WAAW,CAAC,GAAG,CAAC,EAAE,CAAC,OAAO,CAAC,EAAE;YACpC,IAAI,CAAC,QAAQ,CAAC,SAAS,CAAC,EAAE,CAAC,OAAO,CAAC,CAAC;YACpC,IAAI,CAAC,WAAW,CAAC,MAAM,CAAC,EAAE,CAAC,OAAO,CAAC,CAAC;SACrC;IACH,CAAC;IAED,yCAAS,GAAT;QACE,OAAO,iBAAiB,EAAE,CAAC;IAC7B,CAAC;IAzCU,qBAAqB;QADjC,UAAU,EAAE;iDAuBiB,eAAe,EAAiB,gBAAgB,EAAkB,MAAM;OAtBzF,qBAAqB,CA0CjC;IAAD,4BAAC;CAAA,AA1CD,IA0CC;SA1CY,qBAAqB;AA6ClC;IACE,4BAAoB,MAAuB,EAAU,KAAuB;QAAxD,WAAM,GAAN,MAAM,CAAiB;QAAU,UAAK,GAAL,KAAK,CAAkB;IAAG,CAAC;IAEhF,qCAAQ,GAAR,UAAS,EAAiB;QAA1B,iBAGC;QAFC,IAAI,CAAC,KAAK,CAAC,GAAG,CAAC,EAAE,CAAC,OAAO,CAAC,CAAC;QAC3B,mBAAmB,CAAC,cAAM,OAAA,KAAI,CAAC,MAAM,CAAC,OAAO,EAAE,CAAC,SAAS,CAAC,cAAM,OAAA,KAAK,CAAC,EAAN,CAAM,CAAC,EAA7C,CAA6C,CAAC,CAAC;IAC3E,CAAC;IAED,uCAAU,GAAV,UAAW,CAAgB,IAAG,CAAC;IAE/B,sCAAS,GAAT;QACE,OAAO,IAAI,CAAC;IACd,CAAC;IAZU,kBAAkB;QAD9B,UAAU,EAAE;iDAEiB,eAAe,EAAiB,gBAAgB;OADjE,kBAAkB,CAa9B;IAAD,yBAAC;CAAA,AAbD,IAaC;SAbY,kBAAkB","sourcesContent":["import { Injectable, InjectionToken, NgZone } from '@angular/core';\nimport { LinkDirective } from './link.directive';\nimport { RouterPreloader } from '@angular/router';\nimport { LinkHandlerStrategy } from './link-handler-strategy';\nimport { PrefetchRegistry } from './prefetch-registry.service';\n\ntype RequestIdleCallbackHandle = any;\ntype RequestIdleCallbackOptions = {\n  timeout: number;\n};\ntype RequestIdleCallbackDeadline = {\n  readonly didTimeout: boolean;\n  timeRemaining: (() => number);\n};\n\ntype RequestIdleCallback = ((\n  callback: ((deadline: RequestIdleCallbackDeadline) => void),\n  opts?: RequestIdleCallbackOptions\n) => RequestIdleCallbackHandle);\n\nconst requestIdleCallback: RequestIdleCallback =\n  typeof window !== 'undefined'\n    ? (window as any).requestIdleCallback ||\n      function(cb: Function) {\n        const start = Date.now();\n        return setTimeout(function() {\n          cb({\n            didTimeout: false,\n            timeRemaining: function() {\n              return Math.max(0, 50 - (Date.now() - start));\n            }\n          });\n        }, 1);\n      }\n    : () => {};\n\nconst observerSupported = () =>\n  typeof window !== 'undefined' ? !!(window as any).IntersectionObserver : false;\n\nexport const LinkHandler = new InjectionToken('LinkHandler');\n\n@Injectable()\nexport class ObservableLinkHandler implements LinkHandlerStrategy {\n  private elementLink = new Map<Element, LinkDirective>();\n  private observer: IntersectionObserver | null = observerSupported()\n    ? new IntersectionObserver(entries => {\n        entries.forEach(entry => {\n          if (entry.isIntersecting) {\n            const link = entry.target as HTMLAnchorElement;\n\n            const routerLink = this.elementLink.get(link);\n            if ( !routerLink || !routerLink.urlTree ) return;\n\n            this.queue.add(routerLink.urlTree);\n            this.observer.unobserve(link);\n            requestIdleCallback(() => {\n              this.loader.preload().subscribe(() => void 0);\n              this.queue.remove(routerLink.urlTree);\n            });\n          }\n        });\n      })\n    : null;\n\n  constructor(private loader: RouterPreloader, private queue: PrefetchRegistry, private ngZone: NgZone) {}\n\n  register(el: LinkDirective) {\n    this.elementLink.set(el.element, el);\n    this.ngZone.runOutsideAngular(() => {\n      this.observer.observe(el.element);\n    });\n  }\n\n  // First call to unregister will not hit this.\n  unregister(el: LinkDirective) {\n    if (this.elementLink.has(el.element)) {\n      this.observer.unobserve(el.element);\n      this.elementLink.delete(el.element);\n    }\n  }\n\n  supported() {\n    return observerSupported();\n  }\n}\n\n@Injectable()\nexport class PreloadLinkHandler implements LinkHandlerStrategy {\n  constructor(private loader: RouterPreloader, private queue: PrefetchRegistry) {}\n\n  register(el: LinkDirective) {\n    this.queue.add(el.urlTree);\n    requestIdleCallback(() => this.loader.preload().subscribe(() => void 0));\n  }\n\n  unregister(_: LinkDirective) {}\n\n  supported() {\n    return true;\n  }\n}\n"]}