peertube-plugin-livechat/client/common/lib/directives/translation.ts

59 lines
1.9 KiB
TypeScript

// SPDX-FileCopyrightText: 2024 Mehdi Benadel <https://mehdibenadel.com>
//
// SPDX-License-Identifier: AGPL-3.0-only
import type { TemplateResult } from 'lit'
import { PartInfo, directive } from 'lit/directive.js'
import { AsyncDirective } from 'lit/async-directive.js'
import { RegisterClientHelpers } from '@peertube/peertube-types/client'
import { unsafeHTML } from 'lit/directives/unsafe-html.js'
import { html } from 'lit'
import { getPtContext } from '../contexts/peertube'
export class TranslationDirective extends AsyncDirective {
private readonly _peertubeHelpers: RegisterClientHelpers
private _translatedValue: string = ''
private _localizationId: string = ''
private _allowUnsafeHTML = false
constructor (partInfo: PartInfo) {
super(partInfo)
this._peertubeHelpers = getPtContext().ptOptions.peertubeHelpers
this._asyncUpdateTranslation().then(() => {}, () => {})
}
public override render = (locId: string, allowHTML: boolean = false): TemplateResult | string => {
this._localizationId = locId // TODO Check current component for context (to infer the prefix)
this._allowUnsafeHTML = allowHTML
if (this._translatedValue === '') {
this._translatedValue = locId
}
this._asyncUpdateTranslation().then(() => {}, () => {})
return this._internalRender()
}
private readonly _internalRender = (): TemplateResult | string => {
return this._allowUnsafeHTML ? html`${unsafeHTML(this._translatedValue)}` : this._translatedValue
}
private readonly _asyncUpdateTranslation = async (): Promise<true> => {
const newValue = await this._peertubeHelpers.translate(this._localizationId) ?? ''
if (newValue !== '' && newValue !== this._translatedValue) {
this._translatedValue = newValue
this.setValue(this._internalRender())
}
return true
}
}
export const ptTr = directive(TranslationDirective)