diff --git a/.eslintrc.js b/.eslintrc.js
index 0613121df0..069a67e511 100644
--- a/.eslintrc.js
+++ b/.eslintrc.js
@@ -40,6 +40,7 @@ module.exports = {
             "@typescript-eslint/ban-ts-comment": "off",
 
             "quotes": "off",
+            "no-extra-boolean-cast": "off",
         }
     }],
 };
diff --git a/src/indexing/BaseEventIndexManager.ts b/src/indexing/BaseEventIndexManager.ts
index 38c1a52e05..fb7222d41b 100644
--- a/src/indexing/BaseEventIndexManager.ts
+++ b/src/indexing/BaseEventIndexManager.ts
@@ -14,18 +14,21 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
+// The following interfaces take their names and member names from the js-sdk
+/* eslint-disable camelcase */
+
 export interface MatrixEvent {
     type: string;
     sender: string;
     content: {};
-    eventId: string;
-    originServerTs: number;
+    event_id: string;
+    origin_server_ts: number;
     unsigned?: {};
     roomId: string;
 }
 
 export interface MatrixProfile {
-    avatarUrl: string;
+    avatar_url: string;
     displayname: string;
 }
 
@@ -37,9 +40,9 @@ export interface CrawlerCheckpoint {
 }
 
 export interface ResultContext {
-    eventsBefore: [MatrixEvent];
-    eventsAfter: [MatrixEvent];
-    profileInfo: Map<string, MatrixProfile>;
+    events_before: [MatrixEvent];
+    events_after: [MatrixEvent];
+    profile_info: Map<string, MatrixProfile>;
 }
 
 export interface ResultsElement {
@@ -55,11 +58,11 @@ export interface SearchResult {
 }
 
 export interface SearchArgs {
-    searchTerm: string;
-    beforeLimit: number;
-    afterLimit: number;
-    orderByRecency: boolean;
-    roomId?: string;
+    search_term: string;
+    before_limit: number;
+    after_limit: number;
+    order_by_recency: boolean;
+    room_id?: string;
 }
 
 export interface EventAndProfile {
@@ -76,8 +79,8 @@ export interface LoadArgs {
 
 export interface IndexStats {
     size: number;
-    eventCount: number;
-    roomCount: number;
+    event_count: number;
+    room_count: number;
 }
 
 /**
diff --git a/src/stores/room-list/algorithms/Algorithm.ts b/src/stores/room-list/algorithms/Algorithm.ts
index 488dc1d1e5..f04f9bb515 100644
--- a/src/stores/room-list/algorithms/Algorithm.ts
+++ b/src/stores/room-list/algorithms/Algorithm.ts
@@ -382,7 +382,7 @@ export class Algorithm extends EventEmitter {
 
         if (!this._stickyRoom) {
             // If there's no sticky room, just do nothing useful.
-            if (this._cachedStickyRooms) {
+            if (!!this._cachedStickyRooms) {
                 // Clear the cache if we won't be needing it
                 this._cachedStickyRooms = null;
                 this.emit(LIST_UPDATED_EVENT);
diff --git a/src/stores/room-list/algorithms/list-ordering/ImportanceAlgorithm.ts b/src/stores/room-list/algorithms/list-ordering/ImportanceAlgorithm.ts
index 4e9959a5ca..e3e0cdcac4 100644
--- a/src/stores/room-list/algorithms/list-ordering/ImportanceAlgorithm.ts
+++ b/src/stores/room-list/algorithms/list-ordering/ImportanceAlgorithm.ts
@@ -262,8 +262,9 @@ export class ImportanceAlgorithm extends OrderingAlgorithm {
 
             if (indices[lastCat] > indices[thisCat]) {
                 // "should never happen" disclaimer goes here
-                // eslint-disable-next-line max-len
-                console.warn(`!! Room list index corruption: ${lastCat} (i:${indices[lastCat]}) is greater than ${thisCat} (i:${indices[thisCat]}) - category indices are likely desynced from reality`);
+                console.warn(
+                    `!! Room list index corruption: ${lastCat} (i:${indices[lastCat]}) is greater ` +
+                    `than ${thisCat} (i:${indices[thisCat]}) - category indices are likely desynced from reality`);
 
                 // TODO: Regenerate index when this happens: https://github.com/vector-im/riot-web/issues/14234
             }