mirror of https://github.com/zulip/zulip.git
75 lines
2.7 KiB
JavaScript
75 lines
2.7 KiB
JavaScript
"use strict";
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const _ = require("lodash");
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const people = require("./people");
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// For simplicity, we use a list for our internal
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// data, since that matches what the server sends us.
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let my_alert_words = [];
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exports.set_words = function (words) {
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my_alert_words = words;
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};
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exports.get_word_list = function () {
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// People usually only have a couple alert
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// words, so it's cheap to be defensive
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// here and give a copy of the list to
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// our caller (in case they want to sort it
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// or something).
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return [...my_alert_words];
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};
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exports.has_alert_word = function (word) {
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return my_alert_words.includes(word);
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};
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exports.process_message = function (message) {
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// Parsing for alert words is expensive, so we rely on the host
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// to tell us there any alert words to even look for.
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if (!message.alerted) {
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return;
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}
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for (const word of my_alert_words) {
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const clean = _.escapeRegExp(word);
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const before_punctuation = "\\s|^|>|[\\(\\\".,';\\[]";
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const after_punctuation = "\\s|$|<|[\\)\\\"\\?!:.,';\\]!]";
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const regex = new RegExp(`(${before_punctuation})(${clean})(${after_punctuation})`, "ig");
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message.content = message.content.replace(
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regex,
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(match, before, word, after, offset, content) => {
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// Logic for ensuring that we don't muck up rendered HTML.
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const pre_match = content.slice(0, offset);
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// We want to find the position of the `<` and `>` only in the
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// match and the string before it. So, don't include the last
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// character of match in `check_string`. This covers the corner
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// case when there is an alert word just before `<` or `>`.
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const check_string = pre_match + match.slice(0, -1);
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const in_tag = check_string.lastIndexOf("<") > check_string.lastIndexOf(">");
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// Matched word is inside a HTML tag so don't perform any highlighting.
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if (in_tag === true) {
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return before + word + after;
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}
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return before + "<span class='alert-word'>" + word + "</span>" + after;
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},
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);
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}
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};
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exports.notifies = function (message) {
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// We exclude ourselves from notifications when we type one of our own
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// alert words into a message, just because that can be annoying for
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// certain types of workflows where everybody on your team, including
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// yourself, sets up an alert word to effectively mention the team.
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return !people.is_current_user(message.sender_email) && message.alerted;
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};
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exports.initialize = (params) => {
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my_alert_words = params.alert_words;
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};
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window.alert_words = exports;
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