add transformers option

Author: wclr

README.md

@@ -6,25 +6,25 @@ It restarts target node process when any of required files changes (as standard
 
 ## Install
 
-`ts-node` version is not fixed in dependencies, so it will install latest version by default, but you may install need version of `ts-node` if needed.
-
 ```
-yarn add ts-node-dev ts-node
+yarn add ts-node-dev
 ```
 
 ```
 npm i ts-node-dev --global
 ```
 
+`ts-node` dependency version is not fixed, so it will install the latest version by default.
+
 ## Usage
 
 ```
 ts-node-dev [node-dev|ts-node flags] [ts-node-dev flags] [script] [script arguments]
 ```
 
-So you just combine [node-dev](https://github.com/fgnass/node-dev) and [ts-node](https://github.com/TypeStrong/ts-node) options (lookup docs of those packages):
+So you just combine [node-dev](https://github.com/fgnass/node-dev) and [ts-node](https://github.com/TypeStrong/ts-node) options (see docs of those packages):
 ```
-ts-node-dev --respawn server.ts
+ts-node-dev --respawn --type-check server.ts
 ```
 
 Also there are additional options specific to `ts-node-dev`:
@@ -35,9 +35,6 @@ So, to ignore everthing in `node_modules`, just pass `--ignore-watch node_module
 
 NB! `--ignore-watch` will NOT affect files ignored by TS compilation. Use `--ignore` option (or `TS_NODE_IGNORE` env variable) to pass **RegExp strings** for filtering files that should not be compiled, by default `/node_modules/` are ignored.
 
-By defalut to keep things clean it puts cached files to system temp directory, you may change this with `--cache-directory` option.
-
-
 ## Caveats
 
 The good thing is that `ts-node-dev` watches used `tsconfig.json` file, and will reinitialize compilation on its change, but you have to restart the process manually when you update used version of `typescript` or make any other changes that may effect compilation results.

lib/compiler.js

@@ -88,7 +88,8 @@ var compiler = {
       ignore: options['ignore'] || process.env['TS_NODE_IGNORE'],
       ignoreWarnings: options['ignoreWarnings'],
       disableWarnings: options['disableWarnings'],
-      compilerOptions: options['compilerOptions']
+      compilerOptions: options['compilerOptions'],
+      transformers: options['transformers']
     }    
     try {
       register(tsNodeOptions)