diff --git a/spec/search/parser.spec.js b/spec/search/parser.spec.js
index 000948d47..fa573c549 100644
--- a/spec/search/parser.spec.js
+++ b/spec/search/parser.spec.js
@@ -1,4 +1,4 @@
-const SearchContext = require('../../src/services/search/search_context.js');
+const SearchContext = require('../../src/services/search/search_context');
 const parse = require('../../src/services/search/services/parse.js');
 
 function tokens(toks, cur = 0) {
diff --git a/spec/search/search.spec.js b/spec/search/search.spec.js
index 14714cb6e..95544fb2a 100644
--- a/spec/search/search.spec.js
+++ b/spec/search/search.spec.js
@@ -1,7 +1,7 @@
 const searchService = require('../../src/services/search/services/search.js');
 const BNote = require('../../src/becca/entities/bnote.js');
 const BBranch = require('../../src/becca/entities/bbranch.js');
-const SearchContext = require('../../src/services/search/search_context.js');
+const SearchContext = require('../../src/services/search/search_context');
 const dateUtils = require('../../src/services/date_utils');
 const becca = require('../../src/becca/becca.js');
 const {NoteBuilder, findNoteByTitle, note} = require('./becca_mocking.js');
diff --git a/spec/search/value_extractor.spec.js b/spec/search/value_extractor.spec.js
index 4e05380c2..0e44faf4a 100644
--- a/spec/search/value_extractor.spec.js
+++ b/spec/search/value_extractor.spec.js
@@ -1,7 +1,7 @@
 const {note} = require('./becca_mocking.js');
 const ValueExtractor = require('../../src/services/search/value_extractor.js');
 const becca = require('../../src/becca/becca.js');
-const SearchContext = require('../../src/services/search/search_context.js');
+const SearchContext = require('../../src/services/search/search_context');
 
 const dsc = new SearchContext();
 
diff --git a/src/etapi/notes.js b/src/etapi/notes.js
index 0d96468d4..1ab0df248 100644
--- a/src/etapi/notes.js
+++ b/src/etapi/notes.js
@@ -6,7 +6,7 @@ const noteService = require('../services/notes');
 const TaskContext = require('../services/task_context');
 const v = require('./validators.js');
 const searchService = require('../services/search/services/search.js');
-const SearchContext = require('../services/search/search_context.js');
+const SearchContext = require('../services/search/search_context');
 const zipExportService = require('../services/export/zip.js');
 const zipImportService = require('../services/import/zip.js');
 
diff --git a/src/routes/api/search.js b/src/routes/api/search.js
index a582dafcd..f01093726 100644
--- a/src/routes/api/search.js
+++ b/src/routes/api/search.js
@@ -1,7 +1,7 @@
 "use strict";
 
 const becca = require('../../becca/becca');
-const SearchContext = require('../../services/search/search_context.js');
+const SearchContext = require('../../services/search/search_context');
 const searchService = require('../../services/search/services/search.js');
 const bulkActionService = require('../../services/bulk_actions.js');
 const cls = require('../../services/cls');
diff --git a/src/services/backend_script_api.js b/src/services/backend_script_api.js
index d8687b944..a09283478 100644
--- a/src/services/backend_script_api.js
+++ b/src/services/backend_script_api.js
@@ -12,7 +12,7 @@ const xml2js = require('xml2js');
 const cloningService = require('./cloning.js');
 const appInfo = require('./app_info');
 const searchService = require('./search/services/search.js');
-const SearchContext = require('./search/search_context.js');
+const SearchContext = require('./search/search_context');
 const becca = require('../becca/becca');
 const ws = require('./ws');
 const SpacedUpdate = require('./spaced_update.js');
diff --git a/src/services/date_notes.js b/src/services/date_notes.js
index 8bc6f9eb1..d5e5b38b6 100644
--- a/src/services/date_notes.js
+++ b/src/services/date_notes.js
@@ -6,7 +6,7 @@ const dateUtils = require('./date_utils');
 const sql = require('./sql');
 const protectedSessionService = require('./protected_session');
 const searchService = require('../services/search/services/search.js');
-const SearchContext = require('../services/search/search_context.js');
+const SearchContext = require('../services/search/search_context');
 const hoistedNoteService = require('./hoisted_note');
 
 const CALENDAR_ROOT_LABEL = 'calendarRoot';
diff --git a/src/services/search/search_context.js b/src/services/search/search_context.ts
similarity index 61%
rename from src/services/search/search_context.js
rename to src/services/search/search_context.ts
index ff8fe8256..93ae006b4 100644
--- a/src/services/search/search_context.js
+++ b/src/services/search/search_context.ts
@@ -1,9 +1,42 @@
 "use strict";
 
-const hoistedNoteService = require('../hoisted_note');
+import hoistedNoteService = require('../hoisted_note');
+
+interface SearchParams {
+    fastSearch?: boolean;
+    includeArchivedNotes?: boolean;
+    includeHiddenNotes?: boolean;
+    ignoreHoistedNote?: boolean;
+    ancestorNoteId?: string;
+    ancestorDepth?: number;
+    orderBy?: string;
+    orderDirection?: string;
+    limit?: number;
+    debug?: boolean;
+    fuzzyAttributeSearch?: boolean;
+}
 
 class SearchContext {
-    constructor(params = {}) {
+    
+    fastSearch: boolean;
+    includeArchivedNotes: boolean;
+    includeHiddenNotes: boolean;
+    ignoreHoistedNote: boolean;
+    ancestorNoteId?: string;
+    ancestorDepth?: number;
+    orderBy?: string;
+    orderDirection?: string;
+    limit?: number;
+    debug?: boolean;
+    debugInfo: string | null;
+    fuzzyAttributeSearch: boolean;
+    highlightedTokens: string[];
+    originalQuery: string;
+    fulltextQuery: string;
+    dbLoadNeeded: boolean;
+    private error: string | null;
+
+    constructor(params: SearchParams = {}) {
         this.fastSearch = !!params.fastSearch;
         this.includeArchivedNotes = !!params.includeArchivedNotes;
         this.includeHiddenNotes = !!params.includeHiddenNotes;
@@ -32,7 +65,7 @@ class SearchContext {
         this.error = null;
     }
 
-    addError(error) {
+    addError(error: string) {
         // we record only the first error, subsequent ones are usually a consequence of the first
         if (!this.error) {
             this.error = error;
@@ -48,4 +81,4 @@ class SearchContext {
     }
 }
 
-module.exports = SearchContext;
+export = SearchContext;
diff --git a/src/services/search/services/search.js b/src/services/search/services/search.js
index 17e379864..36a654099 100644
--- a/src/services/search/services/search.js
+++ b/src/services/search/services/search.js
@@ -5,7 +5,7 @@ const lex = require('./lex.js');
 const handleParens = require('./handle_parens.js');
 const parse = require('./parse.js');
 const SearchResult = require('../search_result.js');
-const SearchContext = require('../search_context.js');
+const SearchContext = require('../search_context');
 const becca = require('../../../becca/becca');
 const beccaService = require('../../../becca/becca_service');
 const utils = require('../../utils');
diff --git a/src/services/special_notes.js b/src/services/special_notes.js
index 712a01fdf..f6e2af9ae 100644
--- a/src/services/special_notes.js
+++ b/src/services/special_notes.js
@@ -6,7 +6,7 @@ const dateUtils = require('./date_utils');
 const log = require('./log');
 const hoistedNoteService = require('./hoisted_note');
 const searchService = require('./search/services/search.js');
-const SearchContext = require('./search/search_context.js');
+const SearchContext = require('./search/search_context');
 const {LBTPL_NOTE_LAUNCHER, LBTPL_CUSTOM_WIDGET, LBTPL_SPACER, LBTPL_SCRIPT} = require('./hidden_subtree');
 
 function getInboxNote(date) {
diff --git a/src/share/routes.js b/src/share/routes.js
index b40048797..0e14fd6ca 100644
--- a/src/share/routes.js
+++ b/src/share/routes.js
@@ -10,7 +10,7 @@ const contentRenderer = require('./content_renderer.js');
 const assetPath = require('../services/asset_path');
 const appPath = require('../services/app_path');
 const searchService = require('../services/search/services/search.js');
-const SearchContext = require('../services/search/search_context.js');
+const SearchContext = require('../services/search/search_context');
 const log = require('../services/log');
 
 /**