zulip/static/js/typing_data.js

80 lines
2.0 KiB
JavaScript

import _ from "lodash";
import * as muting from "./muting";
import * as util from "./util";
// See docs/subsystems/typing-indicators.md for details on typing indicators.
const typist_dct = new Map();
const inbound_timer_dict = new Map();
export function clear_for_testing() {
typist_dct.clear();
inbound_timer_dict.clear();
}
function to_int(s) {
return Number.parseInt(s, 10);
}
function get_key(group) {
const ids = util.sorted_ids(group);
return ids.join(",");
}
export function add_typist(group, typist) {
const key = get_key(group);
const current = typist_dct.get(key) || [];
typist = to_int(typist);
if (!current.includes(typist)) {
current.push(typist);
}
typist_dct.set(key, util.sorted_ids(current));
}
export function remove_typist(group, typist) {
const key = get_key(group);
let current = typist_dct.get(key) || [];
typist = to_int(typist);
if (!current.includes(typist)) {
return false;
}
current = current.filter((user_id) => to_int(user_id) !== to_int(typist));
typist_dct.set(key, current);
return true;
}
export function get_group_typists(group) {
const key = get_key(group);
const user_ids = typist_dct.get(key) || [];
return muting.filter_muted_user_ids(user_ids);
}
export function get_all_typists() {
let typists = Array.from(typist_dct.values()).flat();
typists = util.sorted_ids(typists);
typists = _.sortedUniq(typists);
return muting.filter_muted_user_ids(typists);
}
// The next functions aren't pure data, but it is easy
// enough to mock the setTimeout/clearTimeout functions.
export function clear_inbound_timer(group) {
const key = get_key(group);
const timer = inbound_timer_dict.get(key);
if (timer) {
clearTimeout(timer);
inbound_timer_dict.set(key, undefined);
}
}
export function kickstart_inbound_timer(group, delay, callback) {
const key = get_key(group);
clear_inbound_timer(group);
const timer = setTimeout(callback, delay);
inbound_timer_dict.set(key, timer);
}