ngx-fastcomments
Version:
This is an Angular library for FastComments, a live embedded commenting library.
111 lines • 13.4 kB
JavaScript
import { ChangeDetectionStrategy, Component, Input, ViewChild } from '@angular/core';
import * as i0 from "@angular/core";
var LoadStatus;
(function (LoadStatus) {
LoadStatus[LoadStatus["Started"] = 0] = "Started";
LoadStatus[LoadStatus["ScriptLoaded"] = 1] = "ScriptLoaded";
LoadStatus[LoadStatus["Done"] = 2] = "Done";
LoadStatus[LoadStatus["Error"] = 3] = "Error";
})(LoadStatus || (LoadStatus = {}));
export class FastCommentsComponent {
constructor() {
this.state = {
status: LoadStatus.Started
};
}
ngOnInit() {
if (!this.config) {
throw new Error('Configuration is required!Like: <lib-fastcomments [config]="myConfigObject"></lib-fastcomments>' +
' or <lib-fastcomments [config]="{ tenantId: \'demo\' }"></lib-fastcomments>');
}
if (this.state.status === LoadStatus.ScriptLoaded) {
return this.reset();
}
else {
return this.loadInstance();
}
}
ngOnChanges() {
if (this.state.status === LoadStatus.ScriptLoaded) {
return this.reset();
}
}
async insertScript(src, id, parentElement) {
return new Promise((resolve, reject) => {
const script = window.document.createElement('script');
script.async = true;
script.src = src;
script.id = id;
parentElement.appendChild(script);
script.addEventListener('load', resolve);
script.addEventListener('error', reject);
});
}
async loadInstance() {
return new Promise(async (resolve, reject) => {
switch (this.state.status) {
case LoadStatus.Started:
try {
// @ts-ignore
if (window && !window.FastCommentsUI) {
const src = this.config.region === 'eu' ? 'https://cdn-eu.fastcomments.com/js/embed-v2.min.js' : 'https://cdn.fastcomments.com/js/embed-v2.min.js';
await this.insertScript(src, 'fastcomments-widget-script', window.document.body);
}
this.state.status = LoadStatus.ScriptLoaded;
await this.loadInstance();
resolve();
}
catch (e) {
console.error('FastComments Script Load Failure', e);
this.state.status = LoadStatus.Error;
reject();
}
break;
case LoadStatus.ScriptLoaded:
this.instantiateWidget();
this.state.status = LoadStatus.Done;
resolve();
break;
default:
resolve();
break;
}
});
}
reset() {
if (!this.config) {
return;
}
if (this.lastWidgetInstance) {
this.lastWidgetInstance.update(this.config);
}
else {
this.instantiateWidget();
}
}
instantiateWidget() {
const element = this.fastCommentsElement.nativeElement;
if (element) {
// @ts-ignore
this.lastWidgetInstance = window.FastCommentsUI(element, this.config);
}
}
static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "18.2.13", ngImport: i0, type: FastCommentsComponent, deps: [], target: i0.ɵɵFactoryTarget.Component }); }
static { this.ɵcmp = i0.ɵɵngDeclareComponent({ minVersion: "14.0.0", version: "18.2.13", type: FastCommentsComponent, selector: "lib-fastcomments", inputs: { config: "config" }, viewQueries: [{ propertyName: "fastCommentsElement", first: true, predicate: ["fastCommentsElement"], descendants: true, static: true }], usesOnChanges: true, ngImport: i0, template: `
<div #fastCommentsElement></div>
`, isInline: true, changeDetection: i0.ChangeDetectionStrategy.OnPush }); }
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "18.2.13", ngImport: i0, type: FastCommentsComponent, decorators: [{
type: Component,
args: [{ selector: 'lib-fastcomments', template: `
<div #fastCommentsElement></div>
`, changeDetection: ChangeDetectionStrategy.OnPush }]
}], ctorParameters: () => [], propDecorators: { config: [{
type: Input
}], fastCommentsElement: [{
type: ViewChild,
args: ['fastCommentsElement', {
static: true,
}]
}] } });
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{ChangeDetectionStrategy, Component, ElementRef, Input, OnChanges, OnInit, ViewChild} from '@angular/core';\nimport {FastCommentsCommentWidgetConfig} from 'fastcomments-typescript';\n\nenum LoadStatus {\n  Started,\n  ScriptLoaded,\n  Done,\n  Error\n}\n\ninterface FastCommentsState {\n  status: LoadStatus;\n}\n\ninterface WidgetInstance {\n  destroy: () => void;\n  update: (FastCommentsCommentWidgetConfig) => void;\n}\n\n@Component({\n  selector: 'lib-fastcomments',\n  template: `\n    <div #fastCommentsElement></div>\n  `,\n  changeDetection: ChangeDetectionStrategy.OnPush,\n  styles: []\n})\nexport class FastCommentsComponent implements OnInit, OnChanges {\n\n  @Input() config: FastCommentsCommentWidgetConfig;\n  @ViewChild('fastCommentsElement', {\n    static: true,\n  })\n  fastCommentsElement: ElementRef;\n  lastWidgetInstance: WidgetInstance | null;\n  state: FastCommentsState;\n\n  constructor() {\n    this.state = {\n      status: LoadStatus.Started\n    };\n  }\n\n  ngOnInit() {\n    if (!this.config) {\n      throw new Error('Configuration is required!Like: <lib-fastcomments [config]=\"myConfigObject\"></lib-fastcomments>' +\n        ' or <lib-fastcomments [config]=\"{ tenantId: \\'demo\\' }\"></lib-fastcomments>');\n    }\n    if (this.state.status === LoadStatus.ScriptLoaded) {\n      return this.reset();\n    } else {\n      return this.loadInstance();\n    }\n  }\n\n  ngOnChanges() {\n    if (this.state.status === LoadStatus.ScriptLoaded) {\n      return this.reset();\n    }\n  }\n\n  async insertScript(src: string, id: string, parentElement: Element) {\n    return new Promise((resolve, reject) => {\n      const script = window.document.createElement('script');\n      script.async = true;\n      script.src = src;\n      script.id = id;\n      parentElement.appendChild(script);\n\n      script.addEventListener('load', resolve);\n      script.addEventListener('error', reject);\n    });\n  }\n\n  async loadInstance() {\n    return new Promise<void>(async (resolve, reject) => {\n      switch (this.state.status) {\n        case LoadStatus.Started:\n          try {\n            // @ts-ignore\n            if (window && !window.FastCommentsUI) {\n              const src = this.config.region === 'eu' ? 'https://cdn-eu.fastcomments.com/js/embed-v2.min.js' : 'https://cdn.fastcomments.com/js/embed-v2.min.js';\n              await this.insertScript(src, 'fastcomments-widget-script', window.document.body);\n            }\n            this.state.status = LoadStatus.ScriptLoaded;\n            await this.loadInstance();\n            resolve();\n          } catch (e) {\n            console.error('FastComments Script Load Failure', e);\n            this.state.status = LoadStatus.Error;\n            reject();\n          }\n          break;\n        case LoadStatus.ScriptLoaded:\n          this.instantiateWidget();\n          this.state.status = LoadStatus.Done;\n          resolve();\n          break;\n        default:\n          resolve();\n          break;\n      }\n    });\n  }\n\n  reset() {\n    if (!this.config) {\n      return;\n    }\n    if (this.lastWidgetInstance) {\n      this.lastWidgetInstance.update(this.config);\n    } else {\n      this.instantiateWidget();\n    }\n  }\n\n  instantiateWidget() {\n    const element = this.fastCommentsElement.nativeElement;\n    if (element) {\n      // @ts-ignore\n      this.lastWidgetInstance = window.FastCommentsUI(element, this.config);\n    }\n  }\n\n}\n"]}