feat: add SLS_BROWSERIFIER_DEBUG flag

README.md

@@ -104,13 +104,14 @@ Usage
 
 When this plugin is enabled, and `package.individually` is `true`, running `serverless deploy` and `serverless deploy -f <funcName>` will automatically browserify your Node.js lambda code.
 
-If you want to see more information about the process, simply set `SLS_DEBUG=*`. Example:
+If you want to see more information about the process, simply set envvar `SLS_DEBUG=*` for full serverless debug output, or `SLS_BROWSERIFIER_DEBUG=*` for plugin only debug messages. Example:
+
 ```
 $ export SLS_DEBUG=*
 $ sls deploy function -v -f usersGet
 ```
 
-You can also verify your bundles by simply using `sls package`, which bundles everything up but does not deploy.
+You may also verify your bundles by simply using `sls package`, which bundles everything up but does not deploy.
 
 
 Using browserify plugins/transforms

index.js

@@ -15,6 +15,7 @@ class BrowserifierPlugin {
     this.S = serverless
     this._b = {
       options,
+      debugOn: Boolean(process.env.SLS_DEBUG) || Boolean(process.env.SLS_BROWSERIFIER_DEBUG),
       isDisabled: get(this.S, 'service.custom.browserify.disable', false),
       servicePath: path.join(this.S.config.servicePath || os.tmpdir(), '.serverless'),
       runtimeIsNode: get(this.S, 'service.provider.runtime', '').indexOf('nodejs') !== -1,
@@ -39,13 +40,13 @@ class BrowserifierPlugin {
       .then(() => {
         const fns = this._getAllFunctions()
         this.S.cli.log(`Browserifier: Preparing ${fns.length} function(s)...`)
-        return Promise.all(fns.map(name => this._bootstrap(name).reflect()))
+        return Promise.map(fns, name => this._bootstrap(name).reflect())
       })
-      .then(results =>
-        results
+      .then(results => {
+        return results
           .filter(inspection => inspection.isRejected())
           .forEach(inspection => this._handleSkip(inspection.reason()))
-      )
+      })
       .catch(this._handleSkip)
       .tapCatch(this._warnFailure)
   }