De-lint a few more files

& remove them from the ignored list

.eslintignore.errorfiles

@@ -1,8 +1,5 @@
 # autogenerated file: run scripts/generate-eslint-error-ignore-file to update.
 
-src/autocomplete/AutocompleteProvider.js
-src/autocomplete/Autocompleter.js
-src/autocomplete/UserProvider.js
 src/component-index.js
 src/components/structures/BottomLeftMenu.js
 src/components/structures/CompatibilityPage.js

src/autocomplete/AutocompleteProvider.js

@@ -41,8 +41,12 @@ export default class AutocompleteProvider {
 
     /**
      * Of the matched commands in the query, returns the first that contains or is contained by the selection, or null.
+     * @param {string} query The query string
+     * @param {SelectionRange} selection Selection to search
+     * @param {boolean} force True if the user is forcing completion
+     * @return {object} { command, range } where both onjects fields are null if no match
      */
-    getCurrentCommand(query: string, selection: SelectionRange, force: boolean = false): ?string {
+    getCurrentCommand(query: string, selection: SelectionRange, force: boolean = false) {
         let commandRegex = this.commandRegex;
 
         if (force && this.shouldForceComplete()) {

src/autocomplete/Autocompleter.js

@@ -60,8 +60,8 @@ const PROVIDER_COMPLETION_TIMEOUT = 3000;
 export default class Autocompleter {
     constructor(room: Room) {
         this.room = room;
-        this.providers = PROVIDERS.map((p) => {
+        this.providers = PROVIDERS.map((Prov) => {
-            return new p(room);
+            return new Prov(room);
         });
     }
 

src/autocomplete/UserProvider.js

@@ -41,7 +41,7 @@ export default class UserProvider extends AutocompleteProvider {
     users: Array<RoomMember> = null;
     room: Room = null;
 
-    constructor(room) {
+    constructor(room: Room) {
         super(USER_REGEX, FORCED_USER_REGEX);
         this.room = room;
         this.matcher = new QueryMatcher([], {