@wizdm/teleport
Version:
Template teleporting
537 lines (525 loc) • 24.6 kB
JavaScript
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('@angular/core'), require('@angular/common'), require('rxjs/operators'), require('rxjs')) :
typeof define === 'function' && define.amd ? define('@wizdm/teleport', ['exports', '@angular/core', '@angular/common', 'rxjs/operators', 'rxjs'], factory) :
(global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory((global.wizdm = global.wizdm || {}, global.wizdm.teleport = {}), global.ng.core, global.ng.common, global.rxjs.operators, global.rxjs));
}(this, (function (exports, i0, common, operators, rxjs) { 'use strict';
/*! *****************************************************************************
Copyright (c) Microsoft Corporation.
Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
PERFORMANCE OF THIS SOFTWARE.
***************************************************************************** */
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}
var TeleportConfigToken = new i0.InjectionToken('wizdm.teleport.config');
var TeleportService = /** @class */ (function () {
function TeleportService(config) {
this.inner$ = new rxjs.BehaviorSubject(null);
this.beam$ = this.inner$.pipe(operators.shareReplay((config === null || config === void 0 ? void 0 : config.bufferSize) || 1));
}
/** Beam observable streaming the template to render as they occur */
TeleportService.prototype.beam = function (name) {
return this.beam$.pipe(
// Filters only those instances targetting the requested portal
operators.filter(function (payload) { return !payload || payload.target === name; }),
// Buffers the requests
operators.scan(function (history, payload) {
// Clears all the history
if (!payload || payload.action === 'clearAll') {
return [];
}
// Seeks for the given template in the history first
var index = history.findIndex(function (value) { return value.template === payload.template; });
// Removes the template from the history
if (index >= 0 && payload.action === 'clear') {
return history.splice(index, 1), history;
}
// Activates the new template
if (payload.action === 'activate') {
// If already existing, replaces the payload in place
if (index >= 0) {
return history.splice(index, 1, payload), history;
}
// Pushes the new template otherwise
history.push(payload);
}
return history;
}, []),
// Emits the last template in history or null
operators.map(function (history) { return history[history.length - 1] || null; }), operators.distinctUntilChanged());
};
/** Activates the template at the given target portal */
TeleportService.prototype.activate = function (target, template, data) {
this.inner$.next({ action: 'activate', target: target, template: template, data: data });
};
/** Clears the template from the target portal */
TeleportService.prototype.clear = function (target, template) {
this.inner$.next({ action: 'clear', target: target, template: template });
};
/** Clear all the portals */
TeleportService.prototype.clearAll = function () {
this.inner$.next({ action: 'clearAll' });
};
return TeleportService;
}());
TeleportService.ɵprov = i0.ɵɵdefineInjectable({ factory: function TeleportService_Factory() { return new TeleportService(i0.ɵɵinject(TeleportConfigToken, 8)); }, token: TeleportService, providedIn: "root" });
TeleportService.decorators = [
{ type: i0.Injectable, args: [{
providedIn: 'root'
},] }
];
TeleportService.ctorParameters = function () { return [
{ type: undefined, decorators: [{ type: i0.Optional }, { type: i0.Inject, args: [TeleportConfigToken,] }] }
]; };
var PortalDirective = /** @class */ (function (_super) {
__extends(PortalDirective, _super);
function PortalDirective(teleport, host, container) {
var _this = _super.call(this, container) || this;
_this.teleport = teleport;
_this.host = host;
_this.name$ = new rxjs.BehaviorSubject('');
_this.firstChange = true;
/** The actual template in use. NOTE for this event to bind correclty the directive must be used in its de-sugared form */
_this.template = new i0.EventEmitter();
/** True then the portal is active */
_this.active = new i0.EventEmitter();
/** Optional data passed along from the TeleportDirective back to the Portal */
_this.data = new i0.EventEmitter();
// Builds the template observable
_this.sub = _this.name$.pipe(
// Beams the content with the given name
operators.switchMap(function (name) { return _this.teleport.beam(name); }),
// Wait the next round to avoid expressionChangedAfterItHasBeenChecked() exception
operators.delay(0)).subscribe(function (payload) { return _this.changeTemplate(payload || {}); });
return _this;
}
Object.defineProperty(PortalDirective.prototype, "name", {
/** The portal name */
set: function (name) { this.name$.next(name); },
enumerable: false,
configurable: true
});
PortalDirective.prototype.changeTemplate = function (_a) {
var template = _a.template, data = _a.data;
// Emits the new optional data, if any
if (typeof (data) !== undefined) {
this.data.emit(data);
}
/** Skips on no template changes */
if (template === this.ngTemplateOutlet) {
return;
}
// Creates a simple change object
var ngTemplateOutlet = new i0.SimpleChange(this.ngTemplateOutlet, template || this.host, this.firstChange);
// Updates the parent's template variable accordingly
this.ngTemplateOutlet = ngTemplateOutlet.currentValue;
// Tracks for the first change
this.firstChange = false;
// Forces the change to occur
_super.prototype.ngOnChanges.call(this, { ngTemplateOutlet: ngTemplateOutlet });
// Emits the new template
this.template.emit(this.ngTemplateOutlet);
// Emits true whenever the template isn't the host one
this.active.emit(this.ngTemplateOutlet !== this.host);
};
// Intercepts the input changes
PortalDirective.prototype.ngOnChanges = function (changes) {
// Gets rid of the name's SimpleChange object
if (changes.name) {
delete changes.name;
}
// Skips when no changes remains
if (Object.keys(changes).length === 0) {
return;
}
// Lets the context changes go through
_super.prototype.ngOnChanges.call(this, changes);
};
// Disposes of the subscription on deletion
PortalDirective.prototype.ngOnDestroy = function () { this.sub.unsubscribe(); };
return PortalDirective;
}(common.NgTemplateOutlet));
PortalDirective.decorators = [
{ type: i0.Directive, args: [{
selector: 'ng-template[wmPortal]',
exportAs: 'wmPortal'
},] }
];
PortalDirective.ctorParameters = function () { return [
{ type: TeleportService },
{ type: i0.TemplateRef },
{ type: i0.ViewContainerRef }
]; };
PortalDirective.propDecorators = {
name: [{ type: i0.Input, args: ['wmPortal',] }],
ngTemplateOutletContext: [{ type: i0.Input, args: ['wmPortalContext',] }],
template: [{ type: i0.Output, args: ['wmPortalTemplate',] }],
active: [{ type: i0.Output, args: ['wmPortalActive',] }],
data: [{ type: i0.Output, args: ['wmPortalData',] }]
};
var TeleportDirective = /** @class */ (function () {
function TeleportDirective(teleport, template) {
this.teleport = teleport;
this.template = template;
}
TeleportDirective.prototype.ngOnChanges = function (changes) {
var target = changes.target;
if (!target) {
return;
}
// Clears the previous target, if any
target.previousValue && this.teleport.clear(target.previousValue, this.template);
// Teleports the template to the new target portal
target.currentValue && this.teleport.activate(target.currentValue, this.template, this.data);
};
TeleportDirective.prototype.ngOnDestroy = function () {
// Clears the portal on destroy
this.target && this.teleport.clear(this.target, this.template);
};
return TeleportDirective;
}());
TeleportDirective.decorators = [
{ type: i0.Directive, args: [{
selector: 'ng-template[wmTeleport]'
},] }
];
TeleportDirective.ctorParameters = function () { return [
{ type: TeleportService },
{ type: i0.TemplateRef }
]; };
TeleportDirective.propDecorators = {
target: [{ type: i0.Input, args: ['wmTeleport',] }],
data: [{ type: i0.Input, args: ['wmTeleportData',] }]
};
var TeleportModule = /** @class */ (function () {
function TeleportModule() {
}
TeleportModule.init = function (config) {
return {
ngModule: TeleportModule,
providers: [
{ provide: TeleportConfigToken, useValue: config }
]
};
};
return TeleportModule;
}());
TeleportModule.decorators = [
{ type: i0.NgModule, args: [{
imports: [common.CommonModule],
declarations: [PortalDirective, TeleportDirective],
exports: [PortalDirective, TeleportDirective]
},] }
];
/**
* Generated bundle index. Do not edit.
*/
exports.PortalDirective = PortalDirective;
exports.TeleportConfigToken = TeleportConfigToken;
exports.TeleportDirective = TeleportDirective;
exports.TeleportModule = TeleportModule;
exports.TeleportService = TeleportService;
Object.defineProperty(exports, '__esModule', { value: true });
})));
//# sourceMappingURL=wizdm-teleport.umd.js.map