matrix-react-sdk/lib/WhoIsTyping.js

SDK for matrix.org using React

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.usersTypingApartFromMeAndIgnored = usersTypingApartFromMeAndIgnored;
exports.usersTypingApartFromMe = usersTypingApartFromMe;
exports.usersTyping = usersTyping;
exports.whoIsTypingString = whoIsTypingString;

var _MatrixClientPeg = require("./MatrixClientPeg");

var _languageHandler = require("./languageHandler");

/*
Copyright 2017 Vector Creations Ltd

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
function usersTypingApartFromMeAndIgnored(room
/*: Room*/
)
/*: RoomMember[]*/
{
  return usersTyping(room, [_MatrixClientPeg.MatrixClientPeg.get().getUserId()].concat(_MatrixClientPeg.MatrixClientPeg.get().getIgnoredUsers()));
}

function usersTypingApartFromMe(room
/*: Room*/
)
/*: RoomMember[]*/
{
  return usersTyping(room, [_MatrixClientPeg.MatrixClientPeg.get().getUserId()]);
}
/**
 * Given a Room object and, optionally, a list of userID strings
 * to exclude, return a list of user objects who are typing.
 * @param {Room} room: room object to get users from.
 * @param {string[]} exclude: list of user mxids to exclude.
 * @returns {RoomMember[]} list of user objects who are typing.
 */


function usersTyping(room
/*: Room*/
, exclude
/*: string[]*/
= [])
/*: RoomMember[]*/
{
  const whoIsTyping = [];
  const memberKeys = Object.keys(room.currentState.members);

  for (let i = 0; i < memberKeys.length; ++i) {
    const userId = memberKeys[i];

    if (room.currentState.members[userId].typing) {
      if (exclude.indexOf(userId) === -1) {
        whoIsTyping.push(room.currentState.members[userId]);
      }
    }
  }

  return whoIsTyping;
}

function whoIsTypingString(whoIsTyping
/*: RoomMember[]*/
, limit
/*: number*/
)
/*: string*/
{
  let othersCount = 0;

  if (whoIsTyping.length > limit) {
    othersCount = whoIsTyping.length - limit + 1;
  }

  if (whoIsTyping.length === 0) {
    return '';
  } else if (whoIsTyping.length === 1) {
    return (0, _languageHandler._t)('%(displayName)s is typing …', {
      displayName: whoIsTyping[0].name
    });
  }

  const names = whoIsTyping.map(m => m.name);

  if (othersCount >= 1) {
    return (0, _languageHandler._t)('%(names)s and %(count)s others are typing …', {
      names: names.slice(0, limit - 1).join(', '),
      count: othersCount
    });
  } else {
    const lastPerson = names.pop();
    return (0, _languageHandler._t)('%(names)s and %(lastPerson)s are typing …', {
      names: names.join(', '),
      lastPerson: lastPerson
    });
  }
}
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