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path: root/apps/files/src/models/Tab.js
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/**
 * SPDX-FileCopyrightText: 2019 Nextcloud GmbH and Nextcloud contributors
 * SPDX-License-Identifier: AGPL-3.0-or-later
 */
import { sanitizeSVG } from '@skjnldsv/sanitize-svg'

export default class Tab {

	_id
	_name
	_icon
	_iconSvgSanitized
	_mount
	_setIsActive
	_update
	_destroy
	_enabled
	_scrollBottomReached

	/**
	 * Create a new tab instance
	 *
	 * @param {object} options destructuring object
	 * @param {string} options.id the unique id of this tab
	 * @param {string} options.name the translated tab name
	 * @param {?string} options.icon the icon css class
	 * @param {?string} options.iconSvg the icon in svg format
	 * @param {Function} options.mount function to mount the tab
	 * @param {Function} [options.setIsActive] function to forward the active state of the tab
	 * @param {Function} options.update function to update the tab
	 * @param {Function} options.destroy function to destroy the tab
	 * @param {Function} [options.enabled] define conditions whether this tab is active. Must returns a boolean
	 * @param {Function} [options.scrollBottomReached] executed when the tab is scrolled to the bottom
	 */
	constructor({ id, name, icon, iconSvg, mount, setIsActive, update, destroy, enabled, scrollBottomReached } = {}) {
		if (enabled === undefined) {
			enabled = () => true
		}
		if (scrollBottomReached === undefined) {
			scrollBottomReached = () => { }
		}

		// Sanity checks
		if (typeof id !== 'string' || id.trim() === '') {
			throw new Error('The id argument is not a valid string')
		}
		if (typeof name !== 'string' || name.trim() === '') {
			throw new Error('The name argument is not a valid string')
		}
		if ((typeof icon !== 'string' || icon.trim() === '') && typeof iconSvg !== 'string') {
			throw new Error('Missing valid string for icon or iconSvg argument')
		}
		if (typeof mount !== 'function') {
			throw new Error('The mount argument should be a function')
		}
		if (setIsActive !== undefined && typeof setIsActive !== 'function') {
			throw new Error('The setIsActive argument should be a function')
		}
		if (typeof update !== 'function') {
			throw new Error('The update argument should be a function')
		}
		if (typeof destroy !== 'function') {
			throw new Error('The destroy argument should be a function')
		}
		if (typeof enabled !== 'function') {
			throw new Error('The enabled argument should be a function')
		}
		if (typeof scrollBottomReached !== 'function') {
			throw new Error('The scrollBottomReached argument should be a function')
		}

		this._id = id
		this._name = name
		this._icon = icon
		this._mount = mount
		this._setIsActive = setIsActive
		this._update = update
		this._destroy = destroy
		this._enabled = enabled
		this._scrollBottomReached = scrollBottomReached

		if (typeof iconSvg === 'string') {
			sanitizeSVG(iconSvg)
				.then(sanitizedSvg => {
					this._iconSvgSanitized = sanitizedSvg
				})
		}

	}

	get id() {
		return this._id
	}

	get name() {
		return this._name
	}

	get icon() {
		return this._icon
	}

	get iconSvg() {
		return this._iconSvgSanitized
	}

	get mount() {
		return this._mount
	}

	get setIsActive() {
		return this._setIsActive || (() => undefined)
	}

	get update() {
		return this._update
	}

	get destroy() {
		return this._destroy
	}

	get enabled() {
		return this._enabled
	}

	get scrollBottomReached() {
		return this._scrollBottomReached
	}

}