1 import { DatePipe } from '@angular/common'
2 import { environment } from '../../../environments/environment'
3 import { AuthService } from '../../core/auth'
5 // Thanks: https://stackoverflow.com/questions/901115/how-can-i-get-query-string-values-in-javascript
6 function getParameterByName (name: string, url: string) {
7 if (!url) url = window.location.href
8 name = name.replace(/[\[\]]/g, '\\$&')
10 const regex = new RegExp('[?&]' + name + '(=([^&#]*)|&|#|$)')
11 const results = regex.exec(url)
13 if (!results) return null
14 if (!results[2]) return ''
16 return decodeURIComponent(results[2].replace(/\+/g, ' '))
19 function populateAsyncUserVideoChannels (authService: AuthService, channel: { id: number, label: string, support?: string }[]) {
20 return new Promise(res => {
21 authService.userInformationLoaded
24 const user = authService.getUser()
27 const videoChannels = user.videoChannels
28 if (Array.isArray(videoChannels) === false) return
30 videoChannels.forEach(c => channel.push({ id: c.id, label: c.displayName, support: c.support }))
38 function getAbsoluteAPIUrl () {
39 let absoluteAPIUrl = environment.apiUrl
40 if (!absoluteAPIUrl) {
41 // The API is on the same domain
42 absoluteAPIUrl = window.location.origin
48 const datePipe = new DatePipe('en')
49 function dateToHuman (date: string) {
50 return datePipe.transform(date, 'medium')
53 function durationToString (duration: number) {
54 const hours = Math.floor(duration / 3600)
55 const minutes = Math.floor((duration % 3600) / 60)
56 const seconds = duration % 60
58 const minutesPadding = minutes >= 10 ? '' : '0'
59 const secondsPadding = seconds >= 10 ? '' : '0'
60 const displayedHours = hours > 0 ? hours.toString() + ':' : ''
62 return displayedHours + minutesPadding + minutes.toString() + ':' + secondsPadding + seconds.toString()
65 function immutableAssign <A, B> (target: A, source: B) {
66 return Object.assign({}, target, source)
69 function objectToUrlEncoded (obj: any) {
70 const str: string[] = []
71 for (const key of Object.keys(obj)) {
72 str.push(encodeURIComponent(key) + '=' + encodeURIComponent(obj[key]))
78 // Thanks: https://gist.github.com/ghinda/8442a57f22099bdb2e34
79 function objectToFormData (obj: any, form?: FormData, namespace?: string) {
80 const fd = form || new FormData()
83 for (const key of Object.keys(obj)) {
84 if (namespace) formKey = `${namespace}[${key}]`
87 if (obj[key] === undefined) continue
89 if (Array.isArray(obj[key]) && obj[key].length === 0) {
94 if (obj[key] !== null && typeof obj[ key ] === 'object' && !(obj[ key ] instanceof File)) {
95 objectToFormData(obj[ key ], fd, formKey)
97 fd.append(formKey, obj[ key ])
104 function objectLineFeedToHtml (obj: any, keyToNormalize: string) {
105 return immutableAssign(obj, {
106 [keyToNormalize]: lineFeedToHtml(obj[keyToNormalize])
110 function lineFeedToHtml (text: string) {
111 if (!text) return text
113 return text.replace(/\r?\n|\r/g, '<br />')
116 function removeElementFromArray <T> (arr: T[], elem: T) {
117 const index = arr.indexOf(elem)
118 if (index !== -1) arr.splice(index, 1)
121 function sortBy (obj: any[], key1: string, key2?: string) {
122 return obj.sort((a, b) => {
123 const elem1 = key2 ? a[key1][key2] : a[key1]
124 const elem2 = key2 ? b[key1][key2] : b[key1]
126 if (elem1 < elem2) return -1
127 if (elem1 === elem2) return 0
132 function scrollToTop () {
136 // Thanks: https://github.com/uupaa/dynamic-import-polyfill
137 function importModule (path: string) {
138 return new Promise((resolve, reject) => {
139 const vector = '$importModule$' + Math.random().toString(32).slice(2)
140 const script = document.createElement('script')
142 const destructor = () => {
143 delete window[ vector ]
144 script.onerror = null
147 URL.revokeObjectURL(script.src)
152 script.type = 'module'
154 script.onerror = () => {
155 reject(new Error(`Failed to import: ${path}`))
158 script.onload = () => {
159 resolve(window[ vector ])
162 const absURL = (environment.apiUrl || window.location.origin) + path
163 const loader = `import * as m from "${absURL}"; window.${vector} = m;` // export Module
164 const blob = new Blob([ loader ], { type: 'text/javascript' })
165 script.src = URL.createObjectURL(blob)
167 document.head.appendChild(script)
171 function isInViewport (el: HTMLElement) {
172 const bounding = el.getBoundingClientRect()
175 bounding.left >= 0 &&
176 bounding.bottom <= (window.innerHeight || document.documentElement.clientHeight) &&
177 bounding.right <= (window.innerWidth || document.documentElement.clientWidth)
181 function isXPercentInViewport (el: HTMLElement, percentVisible: number) {
182 const rect = el.getBoundingClientRect()
183 const windowHeight = (window.innerHeight || document.documentElement.clientHeight)
186 Math.floor(100 - (((rect.top >= 0 ? 0 : rect.top) / +-(rect.height / 1)) * 100)) < percentVisible ||
187 Math.floor(100 - ((rect.bottom - windowHeight) / rect.height) * 100) < percentVisible
197 populateAsyncUserVideoChannels,
202 objectLineFeedToHtml,
203 removeElementFromArray,