105 lines
3.0 KiB
JavaScript
105 lines
3.0 KiB
JavaScript
// @flow
|
|
|
|
import aliases from 'react-emoji-render/data/aliases';
|
|
import emojiAsciiAliases from 'react-emoji-render/data/asciiAliases';
|
|
|
|
import { escapeRegexp } from '../base/util';
|
|
|
|
/**
|
|
* An ASCII emoticon regexp array to find and replace old-style ASCII
|
|
* emoticons (such as :O) to new Unicode representation, so then devices
|
|
* and browsers that support them can render these natively without
|
|
* a 3rd party component.
|
|
*
|
|
* NOTE: this is currently only used on mobile, but it can be used
|
|
* on web too once we drop support for browsers that don't support
|
|
* unicode emoji rendering.
|
|
*/
|
|
const EMOTICON_REGEXP_ARRAY: Array<Array<Object>> = [];
|
|
|
|
(function() {
|
|
for (const [ key, value ] of Object.entries(aliases)) {
|
|
let escapedValues;
|
|
const asciiEmojies = emojiAsciiAliases[key];
|
|
|
|
// Adding ascii emoticons
|
|
if (asciiEmojies) {
|
|
escapedValues = asciiEmojies.map(v => escapeRegexp(v));
|
|
} else {
|
|
escapedValues = [];
|
|
}
|
|
|
|
// Adding slack-type emoji format
|
|
escapedValues.push(escapeRegexp(`:${key}:`));
|
|
|
|
const regexp = `\\B(${escapedValues.join('|')})\\B`;
|
|
|
|
EMOTICON_REGEXP_ARRAY.push([ new RegExp(regexp, 'g'), value ]);
|
|
}
|
|
})();
|
|
|
|
/**
|
|
* Replaces ascii and other non-unicode emoticons with unicode emojis to let the emojis be rendered
|
|
* by the platform native renderer.
|
|
*
|
|
* @param {string} message - The message to parse and replace.
|
|
* @returns {string}
|
|
*/
|
|
export function replaceNonUnicodeEmojis(message: string) {
|
|
let replacedMessage = message;
|
|
|
|
for (const [ regexp, replaceValue ] of EMOTICON_REGEXP_ARRAY) {
|
|
replacedMessage = replacedMessage.replace(regexp, replaceValue);
|
|
}
|
|
|
|
return replacedMessage;
|
|
}
|
|
|
|
/**
|
|
* Selector for calculating the number of unread chat messages.
|
|
*
|
|
* @param {Object} state - The redux state.
|
|
* @returns {number} The number of unread messages.
|
|
*/
|
|
export function getUnreadCount(state: Object) {
|
|
const { lastReadMessage, messages } = state['features/chat'];
|
|
const messagesCount = messages.length;
|
|
|
|
if (!messagesCount) {
|
|
return 0;
|
|
}
|
|
|
|
if (navigator.product === 'ReactNative') {
|
|
// React native stores the messages in a reversed order.
|
|
return messages.indexOf(lastReadMessage);
|
|
}
|
|
|
|
const lastReadIndex = messages.lastIndexOf(lastReadMessage);
|
|
|
|
return messagesCount - (lastReadIndex + 1);
|
|
}
|
|
|
|
/**
|
|
* Selector for calculating the number of unread chat messages.
|
|
*
|
|
* @param {Object} state - The redux state.
|
|
* @returns {number} The number of unread messages.
|
|
*/
|
|
export function getUnreadMessagesCount(state: Object) {
|
|
const { nbUnreadMessages } = state['features/chat'];
|
|
|
|
return nbUnreadMessages;
|
|
}
|
|
|
|
/**
|
|
* Get whether the chat smileys are disabled or not.
|
|
*
|
|
* @param {Object} state - The redux state.
|
|
* @returns {boolean} The disabled flag.
|
|
*/
|
|
export function areSmileysDisabled(state: Object) {
|
|
const disableChatSmileys = state['features/base/config']?.disableChatSmileys === true;
|
|
|
|
return disableChatSmileys;
|
|
}
|