Merge pull request #212 from microsoft/chatdown-show-no-file-contents-error

Show error if no file contents found

Author: JSpru

packages/chatdown/README.md

@@ -26,18 +26,22 @@ OPTIONS
 
   -h, --help                   Chatdown command help
 
-  -o, --out=out  Path to the directory where the output of the multiple chat file processing (-o) will be
+  -o, --out=out                Path to the directory where the output of the multiple chat file processing (-o) will be
                                placed.
 
   -p, --prefix                 Prefix stdout with package name.
 
   -s, --static                 Use static timestamps when generating timestamps on activities.
 
-EXAMPLE
+EXAMPLES
 
      $ bf chatdown
-     $ bf chatdown --in=./path/to/file/sample.chat
-     $ bf chatdown --in ./test/utils/*.sample.chat -o ./
+     $ bf chatdown -h
+     $ bf chatdown --in ./path/to/file/sample.chat
+     $ bf chatdown --in ./path/to/file/sample.chat --out ./
+     $ bf chatdown --in=./path/to/file/sample.chat --out=./
+     $ bf chatdown -i ./path/to/file/*.sample.chat -o ./
+     $ bf chatdown -i=./path/to/file/*.sample.chat -o=./
      $ (echo user=Joe && [ConversationUpdate=MembersAdded=Joe]) | bf chatdown --static
 ```
 

packages/chatdown/src/commands/chatdown.ts

@@ -58,6 +58,8 @@ export default class Chatdown extends Command {
           if (typeof writeConfirmation === 'string') {
             process.stdout.write(`${chalk.green('Successfully wrote file:')}  ${writeConfirmation}\n`)
           }
+        } else if (flags.in && !fileContents) {
+          throw new CLIError('No file contents found in: ' + flags.in)
         } else {
           return this._help()
         }