Remove autocomplete delay (#4819)

5 files changed, 177 insertions, 270 deletions

diff --git a/webapp/components/suggestion/at_mention_provider.jsx b/webapp/components/suggestion/at_mention_provider.jsx
index f1b36d697..9a5e103ad 100644
--- a/webapp/components/suggestion/at_mention_provider.jsx
+++ b/webapp/components/suggestion/at_mention_provider.jsx
@@ -4,7 +4,6 @@
 import Suggestion from './suggestion.jsx';
 
 import ChannelStore from 'stores/channel_store.jsx';
-import SuggestionStore from 'stores/suggestion_store.jsx';
 
 import {autocompleteUsersInChannel} from 'actions/user_actions.jsx';
 
@@ -104,79 +103,49 @@ class AtMentionSuggestion extends Suggestion {
 export default class AtMentionProvider {
     constructor(channelId) {
         this.channelId = channelId;
-        this.timeoutId = '';
-    }
-
-    componentWillUnmount() {
-        this.clearTimeout(this.timeoutId);
-    }
-
-    clearTimeout() {
-        if (this.timeoutId) {
-            clearTimeout(this.timeoutId);
-            this.timeoutId = '';
-
-            return true;
-        }
-
-        return false;
     }
 
     handlePretextChanged(suggestionId, pretext) {
-        const hadSuggestions = this.clearTimeout(this.timeoutId);
-
         const captured = XRegExp.cache('(?:^|\\W)@([\\pL\\d\\-_.]*)$', 'i').exec(pretext.toLowerCase());
         if (captured) {
             const prefix = captured[1];
 
-            function autocomplete() {
-                autocompleteUsersInChannel(
-                    prefix,
-                    this.channelId,
-                    (data) => {
-                        const members = data.in_channel;
-                        for (const id of Object.keys(members)) {
-                            members[id].type = Constants.MENTION_MEMBERS;
-                        }
-
-                        const nonmembers = data.out_of_channel;
-                        for (const id of Object.keys(nonmembers)) {
-                            nonmembers[id].type = Constants.MENTION_NONMEMBERS;
-                        }
-
-                        let specialMentions = [];
-                        if (!pretext.startsWith('/msg')) {
-                            specialMentions = ['here', 'channel', 'all'].filter((item) => {
-                                return item.startsWith(prefix);
-                            }).map((name) => {
-                                return {username: name, type: Constants.MENTION_SPECIAL};
-                            });
-                        }
-
-                        const users = members.concat(specialMentions).concat(nonmembers);
-                        const mentions = users.map((user) => '@' + user.username);
-
-                        AppDispatcher.handleServerAction({
-                            type: ActionTypes.SUGGESTION_RECEIVED_SUGGESTIONS,
-                            id: suggestionId,
-                            matchedPretext: `@${captured[1]}`,
-                            terms: mentions,
-                            items: users,
-                            component: AtMentionSuggestion
+            autocompleteUsersInChannel(
+                prefix,
+                this.channelId,
+                (data) => {
+                    const members = data.in_channel;
+                    for (const id of Object.keys(members)) {
+                        members[id].type = Constants.MENTION_MEMBERS;
+                    }
+
+                    const nonmembers = data.out_of_channel;
+                    for (const id of Object.keys(nonmembers)) {
+                        nonmembers[id].type = Constants.MENTION_NONMEMBERS;
+                    }
+
+                    let specialMentions = [];
+                    if (!pretext.startsWith('/msg')) {
+                        specialMentions = ['here', 'channel', 'all'].filter((item) => {
+                            return item.startsWith(prefix);
+                        }).map((name) => {
+                            return {username: name, type: Constants.MENTION_SPECIAL};
                         });
                     }
-                );
-            }
 
-            this.timeoutId = setTimeout(
-                autocomplete.bind(this),
-                Constants.AUTOCOMPLETE_TIMEOUT
+                    const users = members.concat(specialMentions).concat(nonmembers);
+                    const mentions = users.map((user) => '@' + user.username);
+
+                    AppDispatcher.handleServerAction({
+                        type: ActionTypes.SUGGESTION_RECEIVED_SUGGESTIONS,
+                        id: suggestionId,
+                        matchedPretext: `@${captured[1]}`,
+                        terms: mentions,
+                        items: users,
+                        component: AtMentionSuggestion
+                    });
+                }
             );
         }
-
-        if (hadSuggestions) {
-            // Clear the suggestions since the user has now typed something invalid
-            SuggestionStore.clearSuggestions(suggestionId);
-        }
     }
 }
diff --git a/webapp/components/suggestion/channel_mention_provider.jsx b/webapp/components/suggestion/channel_mention_provider.jsx
index c644d1a9f..7c781a2f7 100644
--- a/webapp/components/suggestion/channel_mention_provider.jsx
+++ b/webapp/components/suggestion/channel_mention_provider.jsx
@@ -50,69 +50,54 @@ class ChannelMentionSuggestion extends Suggestion {
 }
 
 export default class ChannelMentionProvider {
-    constructor() {
-        this.timeoutId = '';
-    }
-
-    componentWillUnmount() {
-        clearTimeout(this.timeoutId);
-    }
-
     handlePretextChanged(suggestionId, pretext) {
         const captured = (/(^|\s)(~([^~]*))$/i).exec(pretext.toLowerCase());
         if (captured) {
             const prefix = captured[3];
 
-            function autocomplete() {
-                autocompleteChannels(
-                    prefix,
-                    (data) => {
-                        const channels = data;
-
-                        // Wrap channels in an outer object to avoid overwriting the 'type' property.
-                        const wrappedChannels = [];
-                        const wrappedMoreChannels = [];
-                        const moreChannels = [];
-                        channels.forEach((item) => {
-                            if (ChannelStore.get(item.id)) {
-                                wrappedChannels.push({
-                                    type: Constants.MENTION_CHANNELS,
-                                    channel: item
-                                });
-                                return;
-                            }
-
-                            wrappedMoreChannels.push({
-                                type: Constants.MENTION_MORE_CHANNELS,
+            autocompleteChannels(
+                prefix,
+                (data) => {
+                    const channels = data;
+
+                    // Wrap channels in an outer object to avoid overwriting the 'type' property.
+                    const wrappedChannels = [];
+                    const wrappedMoreChannels = [];
+                    const moreChannels = [];
+                    channels.forEach((item) => {
+                        if (ChannelStore.get(item.id)) {
+                            wrappedChannels.push({
+                                type: Constants.MENTION_CHANNELS,
                                 channel: item
                             });
+                            return;
+                        }
 
-                            moreChannels.push(item);
-                        });
-
-                        const wrapped = wrappedChannels.concat(wrappedMoreChannels);
-                        const mentions = wrapped.map((item) => '~' + item.channel.name);
-
-                        AppDispatcher.handleServerAction({
-                            type: ActionTypes.RECEIVED_MORE_CHANNELS,
-                            channels: moreChannels
-                        });
-
-                        AppDispatcher.handleServerAction({
-                            type: ActionTypes.SUGGESTION_RECEIVED_SUGGESTIONS,
-                            id: suggestionId,
-                            matchedPretext: captured[2],
-                            terms: mentions,
-                            items: wrapped,
-                            component: ChannelMentionSuggestion
+                        wrappedMoreChannels.push({
+                            type: Constants.MENTION_MORE_CHANNELS,
+                            channel: item
                         });
-                    }
-                );
-            }
 
-            this.timeoutId = setTimeout(
-                autocomplete.bind(this),
-                Constants.AUTOCOMPLETE_TIMEOUT
+                        moreChannels.push(item);
+                    });
+
+                    const wrapped = wrappedChannels.concat(wrappedMoreChannels);
+                    const mentions = wrapped.map((item) => '~' + item.channel.name);
+
+                    AppDispatcher.handleServerAction({
+                        type: ActionTypes.RECEIVED_MORE_CHANNELS,
+                        channels: moreChannels
+                    });
+
+                    AppDispatcher.handleServerAction({
+                        type: ActionTypes.SUGGESTION_RECEIVED_SUGGESTIONS,
+                        id: suggestionId,
+                        matchedPretext: captured[2],
+                        terms: mentions,
+                        items: wrapped,
+                        component: ChannelMentionSuggestion
+                    });
+                }
             );
         }
     }
diff --git a/webapp/components/suggestion/search_channel_provider.jsx b/webapp/components/suggestion/search_channel_provider.jsx
index 66011af9f..283113fb9 100644
--- a/webapp/components/suggestion/search_channel_provider.jsx
+++ b/webapp/components/suggestion/search_channel_provider.jsx
@@ -33,63 +33,48 @@ class SearchChannelSuggestion extends Suggestion {
 }
 
 export default class SearchChannelProvider {
-    constructor() {
-        this.timeoutId = '';
-    }
-
-    componentWillUnmount() {
-        clearTimeout(this.timeoutId);
-    }
-
     handlePretextChanged(suggestionId, pretext) {
         const captured = (/\b(?:in|channel):\s*(\S*)$/i).exec(pretext.toLowerCase());
         if (captured) {
             const channelPrefix = captured[1];
 
-            function autocomplete() {
-                autocompleteChannels(
-                    channelPrefix,
-                    (data) => {
-                        const publicChannels = data;
+            autocompleteChannels(
+                channelPrefix,
+                (data) => {
+                    const publicChannels = data;
 
-                        const localChannels = ChannelStore.getAll();
-                        const privateChannels = [];
+                    const localChannels = ChannelStore.getAll();
+                    const privateChannels = [];
 
-                        for (const id of Object.keys(localChannels)) {
-                            const channel = localChannels[id];
-                            if (channel.name.startsWith(channelPrefix) && channel.type === Constants.PRIVATE_CHANNEL) {
-                                privateChannels.push(channel);
-                            }
+                    for (const id of Object.keys(localChannels)) {
+                        const channel = localChannels[id];
+                        if (channel.name.startsWith(channelPrefix) && channel.type === Constants.PRIVATE_CHANNEL) {
+                            privateChannels.push(channel);
                         }
-
-                        const filteredPublicChannels = [];
-                        publicChannels.forEach((item) => {
-                            if (item.name.startsWith(channelPrefix)) {
-                                filteredPublicChannels.push(item);
-                            }
-                        });
-
-                        privateChannels.sort((a, b) => a.name.localeCompare(b.name));
-                        filteredPublicChannels.sort((a, b) => a.name.localeCompare(b.name));
-
-                        const channels = filteredPublicChannels.concat(privateChannels);
-                        const channelNames = channels.map((channel) => channel.name);
-
-                        AppDispatcher.handleServerAction({
-                            type: ActionTypes.SUGGESTION_RECEIVED_SUGGESTIONS,
-                            id: suggestionId,
-                            matchedPretext: channelPrefix,
-                            terms: channelNames,
-                            items: channels,
-                            component: SearchChannelSuggestion
-                        });
                     }
-                );
-            }
 
-            this.timeoutId = setTimeout(
-                autocomplete.bind(this),
-                Constants.AUTOCOMPLETE_TIMEOUT
+                    const filteredPublicChannels = [];
+                    publicChannels.forEach((item) => {
+                        if (item.name.startsWith(channelPrefix)) {
+                            filteredPublicChannels.push(item);
+                        }
+                    });
+
+                    privateChannels.sort((a, b) => a.name.localeCompare(b.name));
+                    filteredPublicChannels.sort((a, b) => a.name.localeCompare(b.name));
+
+                    const channels = filteredPublicChannels.concat(privateChannels);
+                    const channelNames = channels.map((channel) => channel.name);
+
+                    AppDispatcher.handleServerAction({
+                        type: ActionTypes.SUGGESTION_RECEIVED_SUGGESTIONS,
+                        id: suggestionId,
+                        matchedPretext: channelPrefix,
+                        terms: channelNames,
+                        items: channels,
+                        component: SearchChannelSuggestion
+                    });
+                }
             );
         }
     }
diff --git a/webapp/components/suggestion/search_user_provider.jsx b/webapp/components/suggestion/search_user_provider.jsx
index 2aa72aef5..6fce8edcf 100644
--- a/webapp/components/suggestion/search_user_provider.jsx
+++ b/webapp/components/suggestion/search_user_provider.jsx
@@ -8,7 +8,7 @@ import {autocompleteUsersInTeam} from 'actions/user_actions.jsx';
 import AppDispatcher from 'dispatcher/app_dispatcher.jsx';
 import Client from 'client/web_client.jsx';
 import * as Utils from 'utils/utils.jsx';
-import {Constants, ActionTypes} from 'utils/constants.jsx';
+import {ActionTypes} from 'utils/constants.jsx';
 
 import React from 'react';
 
@@ -57,43 +57,26 @@ class SearchUserSuggestion extends Suggestion {
 }
 
 export default class SearchUserProvider {
-    constructor() {
-        this.timeoutId = '';
-    }
-
-    componentWillUnmount() {
-        clearTimeout(this.timeoutId);
-    }
-
     handlePretextChanged(suggestionId, pretext) {
-        clearTimeout(this.timeoutId);
-
         const captured = (/\bfrom:\s*(\S*)$/i).exec(pretext.toLowerCase());
         if (captured) {
             const usernamePrefix = captured[1];
 
-            function autocomplete() {
-                autocompleteUsersInTeam(
-                    usernamePrefix,
-                    (data) => {
-                        const users = data.in_team;
-                        const mentions = users.map((user) => user.username);
-
-                        AppDispatcher.handleServerAction({
-                            type: ActionTypes.SUGGESTION_RECEIVED_SUGGESTIONS,
-                            id: suggestionId,
-                            matchedPretext: usernamePrefix,
-                            terms: mentions,
-                            items: users,
-                            component: SearchUserSuggestion
-                        });
-                    }
-                );
-            }
-
-            this.timeoutId = setTimeout(
-                autocomplete.bind(this),
-                Constants.AUTOCOMPLETE_TIMEOUT
+            autocompleteUsersInTeam(
+                usernamePrefix,
+                (data) => {
+                    const users = data.in_team;
+                    const mentions = users.map((user) => user.username);
+
+                    AppDispatcher.handleServerAction({
+                        type: ActionTypes.SUGGESTION_RECEIVED_SUGGESTIONS,
+                        id: suggestionId,
+                        matchedPretext: usernamePrefix,
+                        terms: mentions,
+                        items: users,
+                        component: SearchUserSuggestion
+                    });
+                }
             );
         }
     }
diff --git a/webapp/components/suggestion/switch_channel_provider.jsx b/webapp/components/suggestion/switch_channel_provider.jsx
index b41bc4f11..bf9e7c646 100644
--- a/webapp/components/suggestion/switch_channel_provider.jsx
+++ b/webapp/components/suggestion/switch_channel_provider.jsx
@@ -59,94 +59,79 @@ class SwitchChannelSuggestion extends Suggestion {
 }
 
 export default class SwitchChannelProvider {
-    constructor() {
-        this.timeoutId = '';
-    }
-
-    componentWillUnmount() {
-        clearTimeout(this.timeoutId);
-    }
-
     handlePretextChanged(suggestionId, channelPrefix) {
         if (channelPrefix) {
             const allChannels = ChannelStore.getAll();
             const channels = [];
 
-            function autocomplete() {
-                autocompleteUsers(
-                    channelPrefix,
-                    (users) => {
-                        const currentId = UserStore.getCurrentId();
+            autocompleteUsers(
+                channelPrefix,
+                (users) => {
+                    const currentId = UserStore.getCurrentId();
 
-                        for (const id of Object.keys(allChannels)) {
-                            const channel = allChannels[id];
-                            if (channel.display_name.toLowerCase().indexOf(channelPrefix.toLowerCase()) !== -1) {
-                                channels.push(channel);
-                            }
+                    for (const id of Object.keys(allChannels)) {
+                        const channel = allChannels[id];
+                        if (channel.display_name.toLowerCase().indexOf(channelPrefix.toLowerCase()) !== -1) {
+                            channels.push(channel);
                         }
+                    }
 
-                        const userMap = {};
-                        for (let i = 0; i < users.length; i++) {
-                            const user = users[i];
-                            let displayName = `@${user.username} `;
+                    const userMap = {};
+                    for (let i = 0; i < users.length; i++) {
+                        const user = users[i];
+                        let displayName = `@${user.username} `;
 
-                            if (user.id === currentId) {
-                                continue;
-                            }
-
-                            if ((user.first_name || user.last_name) && user.nickname) {
-                                displayName += `- ${Utils.getFullName(user)} (${user.nickname})`;
-                            } else if (user.nickname) {
-                                displayName += `- (${user.nickname})`;
-                            } else if (user.first_name || user.last_name) {
-                                displayName += `- ${Utils.getFullName(user)}`;
-                            }
+                        if (user.id === currentId) {
+                            continue;
+                        }
 
-                            const newChannel = {
-                                display_name: displayName,
-                                name: user.username,
-                                id: user.id,
-                                update_at: user.update_at,
-                                type: Constants.DM_CHANNEL
-                            };
-                            channels.push(newChannel);
-                            userMap[user.id] = user;
+                        if ((user.first_name || user.last_name) && user.nickname) {
+                            displayName += `- ${Utils.getFullName(user)} (${user.nickname})`;
+                        } else if (user.nickname) {
+                            displayName += `- (${user.nickname})`;
+                        } else if (user.first_name || user.last_name) {
+                            displayName += `- ${Utils.getFullName(user)}`;
                         }
 
-                        channels.sort((a, b) => {
-                            if (a.display_name === b.display_name) {
-                                if (a.type !== Constants.DM_CHANNEL && b.type === Constants.DM_CHANNEL) {
-                                    return -1;
-                                } else if (a.type === Constants.DM_CHANNEL && b.type !== Constants.DM_CHANNEL) {
-                                    return 1;
-                                }
-                                return a.name.localeCompare(b.name);
-                            }
-                            return a.display_name.localeCompare(b.display_name);
-                        });
-
-                        const channelNames = channels.map((channel) => channel.name);
-
-                        AppDispatcher.handleServerAction({
-                            type: ActionTypes.SUGGESTION_RECEIVED_SUGGESTIONS,
-                            id: suggestionId,
-                            matchedPretext: channelPrefix,
-                            terms: channelNames,
-                            items: channels,
-                            component: SwitchChannelSuggestion
-                        });
-
-                        AppDispatcher.handleServerAction({
-                            type: ActionTypes.RECEIVED_PROFILES,
-                            profiles: userMap
-                        });
+                        const newChannel = {
+                            display_name: displayName,
+                            name: user.username,
+                            id: user.id,
+                            update_at: user.update_at,
+                            type: Constants.DM_CHANNEL
+                        };
+                        channels.push(newChannel);
+                        userMap[user.id] = user;
                     }
-                );
-            }
 
-            this.timeoutId = setTimeout(
-                autocomplete.bind(this),
-                Constants.AUTOCOMPLETE_TIMEOUT
+                    channels.sort((a, b) => {
+                        if (a.display_name === b.display_name) {
+                            if (a.type !== Constants.DM_CHANNEL && b.type === Constants.DM_CHANNEL) {
+                                return -1;
+                            } else if (a.type === Constants.DM_CHANNEL && b.type !== Constants.DM_CHANNEL) {
+                                return 1;
+                            }
+                            return a.name.localeCompare(b.name);
+                        }
+                        return a.display_name.localeCompare(b.display_name);
+                    });
+
+                    const channelNames = channels.map((channel) => channel.name);
+
+                    AppDispatcher.handleServerAction({
+                        type: ActionTypes.SUGGESTION_RECEIVED_SUGGESTIONS,
+                        id: suggestionId,
+                        matchedPretext: channelPrefix,
+                        terms: channelNames,
+                        items: channels,
+                        component: SwitchChannelSuggestion
+                    });
+
+                    AppDispatcher.handleServerAction({
+                        type: ActionTypes.RECEIVED_PROFILES,
+                        profiles: userMap
+                    });
+                }
             );
         }
     }