simplify loadConfig

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

src/vector/app.js

@@ -187,7 +187,7 @@ export async function loadApp() {
     const platform = PlatformPeg.get();
 
     // Load the config from the platform
-    const configInfo = await loadConfig();
+    const configError = await loadConfig();
 
     // Load language after loading config.json so that settingsDefaults.language can be applied
     await loadLanguage();
@@ -216,7 +216,7 @@ export async function loadApp() {
     await setTheme();
 
     // Now that we've loaded the theme (CSS), display the config syntax error if needed.
-    if (configInfo.configSyntaxError) {
+    if (configError && configError.err && configError.err instanceof SyntaxError) {
         const errorMessage = (
             <div>
                 <p>
@@ -228,7 +228,7 @@ export async function loadApp() {
                 <p>
                     {_t(
                         "The message from the parser is: %(message)s",
-                        {message: configInfo.configError.err.message || _t("Invalid JSON")},
+                        {message: configError.err.message || _t("Invalid JSON")},
                     )}
                 </p>
             </div>
@@ -248,7 +248,7 @@ export async function loadApp() {
 
     const urlWithoutQuery = window.location.protocol + '//' + window.location.host + window.location.pathname;
     console.log("Vector starting at " + urlWithoutQuery);
-    if (configInfo.configError) {
+    if (configError) {
         window.matrixChat = ReactDOM.render(<div className="error">
             Unable to load config file: please refresh the page to try again.
         </div>, document.getElementById('matrixchat'));

src/vector/init.ts

@@ -40,31 +40,21 @@ export function preparePlatform() {
     }
 }
 
-export async function loadConfig(): Promise<{configError?: Error, configSyntaxError: boolean}> {
+export async function loadConfig(): Promise<Error | void> {
     const platform = PlatformPeg.get();
 
     let configJson;
-    let configError;
-    let configSyntaxError = false;
     try {
         configJson = await platform.getConfig();
     } catch (e) {
-        configError = e;
-
-        if (e && e.err && e.err instanceof SyntaxError) {
-            console.error("SyntaxError loading config:", e);
-            configSyntaxError = true;
-            configJson = {}; // to prevent errors between here and loading CSS for the error box
-        }
+        return e;
+    } finally {
+        // XXX: We call this twice, once here and once in MatrixChat as a prop. We call it here to ensure
+        // granular settings are loaded correctly and to avoid duplicating the override logic for the theme.
+        //
+        // Note: this isn't called twice for some wrappers, like the Jitsi wrapper.
+        SdkConfig.put(configJson || {});
     }
-
-    // XXX: We call this twice, once here and once in MatrixChat as a prop. We call it here to ensure
-    // granular settings are loaded correctly and to avoid duplicating the override logic for the theme.
-    //
-    // Note: this isn't called twice for some wrappers, like the Jitsi wrapper.
-    SdkConfig.put(configJson);
-
-    return {configError, configSyntaxError};
 }
 
 export function loadOlm(): Promise<void> {