fix: handle fallback option properly (#608)

* changes without context

        autosynth cannot find the source of changes triggered by earlier changes in this
        repository, or by version upgrades to tools such as linters.

* chore(nodejs_templates): add script logging to node_library populate-secrets.sh

Co-authored-by: Benjamin E. Coe <bencoe@google.com>

Source-Author: BenWhitehead <BenWhitehead@users.noreply.github.com>
Source-Date: Wed Jun 10 22:24:28 2020 -0400
Source-Repo: googleapis/synthtool
Source-Sha: e7034945fbdc0e79d3c57f6e299e5c90b0f11469
Source-Link: googleapis/synthtool@e703494

src/v1/speech_client.ts

@@ -105,14 +105,11 @@ export class SpeechClient {
     // const showcaseClient = new showcaseClient({ projectId, customConfig });
     opts.clientConfig = opts.clientConfig || {};
 
-    const isBrowser = typeof window !== 'undefined';
-    if (isBrowser) {
-      opts.fallback = true;
-    }
-    // If we are in browser, we are already using fallback because of the
-    // "browser" field in package.json.
-    // But if we were explicitly requested to use fallback, let's do it now.
-    this._gaxModule = !isBrowser && opts.fallback ? gax.fallback : gax;
+    // If we're running in browser, it's OK to omit `fallback` since
+    // google-gax has `browser` field in its `package.json`.
+    // For Electron (which does not respect `browser` field),
+    // pass `{fallback: true}` to the SpeechClient constructor.
+    this._gaxModule = opts.fallback ? gax.fallback : gax;
 
     // Create a `gaxGrpc` object, with any grpc-specific options
     // sent to the client.

src/v1p1beta1/speech_client.ts

@@ -106,14 +106,11 @@ export class SpeechClient {
     // const showcaseClient = new showcaseClient({ projectId, customConfig });
     opts.clientConfig = opts.clientConfig || {};
 
-    const isBrowser = typeof window !== 'undefined';
-    if (isBrowser) {
-      opts.fallback = true;
-    }
-    // If we are in browser, we are already using fallback because of the
-    // "browser" field in package.json.
-    // But if we were explicitly requested to use fallback, let's do it now.
-    this._gaxModule = !isBrowser && opts.fallback ? gax.fallback : gax;
+    // If we're running in browser, it's OK to omit `fallback` since
+    // google-gax has `browser` field in its `package.json`.
+    // For Electron (which does not respect `browser` field),
+    // pass `{fallback: true}` to the SpeechClient constructor.
+    this._gaxModule = opts.fallback ? gax.fallback : gax;
 
     // Create a `gaxGrpc` object, with any grpc-specific options
     // sent to the client.

synth.metadata

@@ -4,7 +4,7 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/nodejs-speech.git",
-        "sha": "3af749c8f705d92dba12169ba97c176ff3006a31"
+        "sha": "e3ac050fc99adf0907b29fe8ef54c24037dc7229"
       }
     },
     {
@@ -19,7 +19,7 @@
       "git": {
         "name": "synthtool",
         "remote": "https://github.com/googleapis/synthtool.git",
-        "sha": "1c92077459db3dc50741e878f98b08c6261181e0"
+        "sha": "e7034945fbdc0e79d3c57f6e299e5c90b0f11469"
       }
     }
   ],