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9ab07d1038
We now treat util like a leaf module and use "require" to import it everywhere it's used. An earlier version of this commit moved util into our "shared" library, but we decided to wait on that. Once we're ready to do that, we should only need to do a simple search/replace on various require/zrequire statements plus a small tweak to one of the custom linter checks. It turns out we don't really need util.js for our most immediate code-sharing goal, which is to reuse our markdown code on mobile. There's a little bit of cleanup still remaining to break the dependency, but it's minor. The util module still calls the global blueslip module in one place, but that code is about to be removed in the next few commits. I am pretty confident that once we start sharing things like the typeahead code more aggressively, we'll start having dependencies on util. The module is barely more than 300 lines long, so we'll probably just move the whole thing into shared rather than break it apart. Also, we can continue to nibble away at the cruftier parts of the module.
75 lines
1.9 KiB
JavaScript
75 lines
1.9 KiB
JavaScript
const util = require("./util");
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const Dict = require('./dict').Dict;
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// See docs/subsystems/typing-indicators.md for details on typing indicators.
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const typist_dct = new Dict();
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const inbound_timer_dict = new Dict();
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function to_int(s) {
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return parseInt(s, 10);
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}
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function get_key(group) {
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const ids = util.sorted_ids(group);
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return ids.join(',');
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}
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exports.add_typist = function (group, typist) {
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const key = get_key(group);
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const current = typist_dct.get(key) || [];
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typist = to_int(typist);
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if (!current.includes(typist)) {
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current.push(typist);
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}
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typist_dct.set(key, util.sorted_ids(current));
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};
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exports.remove_typist = function (group, typist) {
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const key = get_key(group);
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let current = typist_dct.get(key) || [];
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typist = to_int(typist);
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if (!current.includes(typist)) {
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return false;
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}
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current = current.filter(user_id => to_int(user_id) !== to_int(typist));
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typist_dct.set(key, current);
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return true;
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};
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exports.get_group_typists = function (group) {
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const key = get_key(group);
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return typist_dct.get(key) || [];
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};
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exports.get_all_typists = function () {
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let typists = [].concat(...Array.from(typist_dct.values()));
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typists = util.sorted_ids(typists);
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typists = _.uniq(typists, true);
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return typists;
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};
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// The next functions aren't pure data, but it is easy
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// enough to mock the setTimeout/clearTimeout functions.
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exports.clear_inbound_timer = function (group) {
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const key = get_key(group);
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const timer = inbound_timer_dict.get(key);
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if (timer) {
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clearTimeout(timer);
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inbound_timer_dict.set(key, undefined);
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}
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};
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exports.kickstart_inbound_timer = function (group, delay, callback) {
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const key = get_key(group);
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exports.clear_inbound_timer(group);
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const timer = setTimeout(callback, delay);
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inbound_timer_dict.set(key, timer);
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};
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window.typing_data = exports;
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