From 00049a842a41d81f67a78d46965040f9d121df27 Mon Sep 17 00:00:00 2001
From: Arseny Smirnov <arseny30@gmail.com>
Date: Fri, 9 Oct 2020 19:40:13 +0300
Subject: [PATCH] tdweb: temporary fix to access Module.FS before promise is
 completed

GitOrigin-RevId: 32af58ee1994919c75d50f8a2da2643a20bf166c
---
 CMakeLists.txt                  |  1 +
 example/web/tdweb/src/index.js  |  9 +++++++--
 example/web/tdweb/src/worker.js | 26 ++++++++++++++++++++------
 post.js                         |  1 +
 4 files changed, 29 insertions(+), 8 deletions(-)
 create mode 100644 post.js

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6f2ea6362..86cdcabcd 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -113,6 +113,7 @@ if (EMSCRIPTEN)
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -s WASM=1")
     set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -s WASM=1")
   endif()
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} --post-js ${CMAKE_CURRENT_SOURCE_DIR}/post.js")
 endif()
 
 if (NOT OPENSSL_FOUND)
diff --git a/example/web/tdweb/src/index.js b/example/web/tdweb/src/index.js
index 1c38f154c..e8a5d16cc 100644
--- a/example/web/tdweb/src/index.js
+++ b/example/web/tdweb/src/index.js
@@ -169,7 +169,7 @@ class TdClient {
       'receive from worker: ',
       JSON.parse(
         JSON.stringify(response, (key, value) => {
-          if (key === 'arr' || key == 'data') {
+          if (key === 'arr' || key === 'data') {
             return undefined;
           }
           return value;
@@ -233,7 +233,12 @@ class TdClient {
     }
     for (const key in response) {
       const field = response[key];
-      if (field && typeof field === 'object' && key != 'data' && key != 'arr') {
+      if (
+        field &&
+        typeof field === 'object' &&
+        key !== 'data' &&
+        key !== 'arr'
+      ) {
         response[key] = this.prepareResponse(field);
       }
     }
diff --git a/example/web/tdweb/src/worker.js b/example/web/tdweb/src/worker.js
index 42fb181e1..ad6c32e0a 100644
--- a/example/web/tdweb/src/worker.js
+++ b/example/web/tdweb/src/worker.js
@@ -70,7 +70,7 @@ async function loadTdlibWasm(onFS, wasmUrl) {
   if (wasmUrl) {
     td_wasm = wasmUrl;
   }
-  const module = await createTdwebModule({
+  let module = createTdwebModule({
     onRuntimeInitialized: () => {
       log.info('runtime intialized');
     },
@@ -85,8 +85,11 @@ async function loadTdlibWasm(onFS, wasmUrl) {
     },
     ENVIROMENT: 'WORKER'
   });
+  onFS(module.FS); // hack
+  log.info('Wait module');
+  module = await module;
   log.info('Got module', module);
-  onFS(module.FS);
+  //onFS(module.FS);
   return module;
 }
 
@@ -97,7 +100,7 @@ async function loadTdlibAsmjs(onFS) {
   console.log('got td_asm.js', createTdwebModule);
   const fromFile = 'td_asmjs.js.mem';
   const toFile = td_asmjs_mem_release;
-  const module = await createTdwebModule({
+  let module = createTdwebModule({
     onRuntimeInitialized: () => {
       console.log('runtime intialized');
     },
@@ -109,7 +112,11 @@ async function loadTdlibAsmjs(onFS) {
     },
     ENVIROMENT: 'WORKER'
   });
-  onFS(module.FS);
+  onFS(module.FS); // hack
+  log.info('Wait module');
+  module = await module;
+  log.info('Got module', module);
+  //onFS(module.FS);
   return module;
 }
 
@@ -608,7 +615,10 @@ class TdClient {
     log.info('got TdModule');
     this.td_functions = {
       td_create: this.TdModule.cwrap('td_emscripten_create', 'number', []),
-      td_send: this.TdModule.cwrap('td_emscripten_send', null, ['number', 'string']),
+      td_send: this.TdModule.cwrap('td_emscripten_send', null, [
+        'number',
+        'string'
+      ]),
       td_execute: this.TdModule.cwrap('td_emscripten_execute', 'string', [
         'string'
       ]),
@@ -621,7 +631,11 @@ class TdClient {
           })
         );
       },
-      td_get_timeout: this.TdModule.cwrap('td_emscripten_get_timeout', 'number', [])
+      td_get_timeout: this.TdModule.cwrap(
+        'td_emscripten_get_timeout',
+        'number',
+        []
+      )
     };
     //this.onFS(this.TdModule.FS);
     this.FS = this.TdModule.FS;
diff --git a/post.js b/post.js
new file mode 100644
index 000000000..531af4df1
--- /dev/null
+++ b/post.js
@@ -0,0 +1 @@
+createTdwebModule.ready.FS = Module.FS;