2 files changed, 90 insertions, 0 deletions
diff --git a/javascript/index.d.ts b/javascript/index.d.ts
new file mode 100644
index 0000000..2bf756a
--- /dev/null
+++ b/javascript/index.d.ts
@@ -0,0 +1,89 @@
+/*
+Copyright 2020 The Matrix.org Foundation C.I.C.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+export as namespace Olm;
+
+declare class Account {
+    constructor();
+    free();
+    create();
+    identity_keys(): string;
+    sign(message: string): string;
+    one_time_keys(): string;
+    mark_keys_as_published();
+    max_number_of_one_time_keys(): number;
+    generate_one_time_keys(number_of_keys: number);
+    remove_one_time_keys(session: Session);
+    pickle(key: string): string;
+    unpickle(key: string, pickle: string);
+}
+
+declare class Session {
+    constructor();
+    free(): void;
+    pickle(key: string): string;
+    unpickle(key: string, pickle: string);
+    create_outbound(
+        account: Account, their_identity_key: string, their_one_time_key: string,
+    ): void;
+    create_inbound(account: Account, one_time_key_message: string): void;
+    create_inbound_from(
+        account: Account, identity_key: string, one_time_key_message: string,
+    ): void;
+    session_id(): string;
+    has_received_message(): boolean;
+    matches_inbound(one_time_key_message: string): boolean;
+    matches_inbound_from(identity_key: string, one_time_key_message: string): boolean;
+    encrypt(plaintext: string): object;
+    decrypt(message_type: number, message: string): string;
+    describe(): string;
+}
+
+declare class Utility {
+    constructor();
+    free(): void;
+    sha256(input: string): string;
+    ed25519verify(key: string, message: string, signature: string): void;
+}
+
+declare class PkEncryption {
+    constructor();
+    free(): void;
+    set_recipient_key(key: string): void;
+    encrypt(plaintext: string): object;
+}
+
+declare class PkDecryption {
+    constructor();
+    free(): void;
+    init_with_private_key(key: Uint8Array): string;
+    generate_key(): string;
+    get_private_key(): Uint8Array;
+    pickle(key: string): string;
+    unpickle(key: string, pickle: string): string;
+}
+
+declare class PkSigning {
+    constructor();
+    free(): void;
+    init_with_seed(seed: Uint8Array): string;
+    generate_seed(): Uint8Array;
+    sign(message: string): string;
+}
+
+export function init(): Promise<void>;
+
+export function get_library_version(): [number, number, number];
diff --git a/javascript/package.json b/javascript/package.json
index d68020a..5123c8c 100644
--- a/javascript/package.json
+++ b/javascript/package.json
@@ -7,6 +7,7 @@
     "olm.js",
     "olm.wasm",
     "olm_legacy.js",
+    "index.d.ts",
     "README.md"
   ],
   "scripts": {