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import { Component, Input, OnChanges, OnInit } from '@angular/core'
import { MarkdownService } from '@app/videos/shared'
@Component({
selector: 'my-help',
styleUrls: [ './help.component.scss' ],
templateUrl: './help.component.html'
})
export class HelpComponent implements OnInit, OnChanges {
@Input() preHtml = ''
@Input() postHtml = ''
@Input() customHtml = ''
@Input() helpType: 'custom' | 'markdownText' | 'markdownEnhanced' = 'custom'
@Input() tooltipPlacement = 'right'
mainHtml = ''
ngOnInit () {
this.init()
}
ngOnChanges () {
this.init()
}
private init () {
if (this.helpType === 'custom') {
this.mainHtml = this.customHtml
return
}
if (this.helpType === 'markdownText') {
this.mainHtml = this.formatMarkdownSupport(MarkdownService.TEXT_RULES)
return
}
if (this.helpType === 'markdownEnhanced') {
this.mainHtml = this.formatMarkdownSupport(MarkdownService.ENHANCED_RULES)
return
}
}
private formatMarkdownSupport (rules: string[]) {
return '<a href="https://en.wikipedia.org/wiki/Markdown#Example" target="_blank" rel="noopener noreferrer">Markdown</a> ' +
'compatible that supports:' +
this.createMarkdownList(rules)
}
private createMarkdownList (rules: string[]) {
const rulesToText = {
'emphasis': 'Emphasis',
'link': 'Links',
'newline': 'New lines',
'list': 'Lists',
'image': 'Images'
}
const bullets = rules.map(r => rulesToText[r])
.filter(text => text)
.map(text => '<li>' + text + '</li>')
.join('')
return '<ul>' + bullets + '</ul>'
}
}
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