TypeScript support

Author: TimonVS

README.md

@@ -38,6 +38,7 @@ By default the plugin will look for a `webpack.config.js` in the service root. Y
 custom:
   webpack:
     config: ./path/to/config/file.js
+    typescript: true # set to true if your project uses TypeScript and have configured the appropriate Webpack loader, defaults to false
 ```
 
 The `entry` and `output` objects are set by the plugin.

src/index.js

@@ -62,7 +62,8 @@ class ServerlessPluginWebpack {
         webpackConfig,
         this.originalServicePath,
         webpackDefaultOutput,
-        webpackFolder
+        webpackFolder,
+        this.custom.typescript,
       )
     );
   }
@@ -87,7 +88,7 @@ class ServerlessPluginWebpack {
   }
 
   clean() {
-    return fs.remove(path.join(this.originalServicePath, webpackFolder));
+    // return fs.remove(path.join(this.originalServicePath, webpackFolder));
   }
 }
 

src/lib/service.js

@@ -12,14 +12,14 @@ const setPackage = R.pipe(
   R.assoc('individually', true)
 );
 
-const fnPath = R.compose(R.replace(/\.[^.]+$/, '.js'), R.prop('handler'));
+const fnPath = extension => R.compose(R.replace(/\.[^.]+$/, extension), R.prop('handler'));
 
 const setFnsPackage = R.map(
   R.pipe(
     R.when(R.prop('package'), R.over(R.lensProp('package'), makePackageRelative)),
     R.converge(
       R.over(R.lensPath(['package', 'include'])),
-      [R.compose(R.append, fnPath), R.identity]
+      [R.compose(R.append, fnPath('.js')), R.identity]
     )
   )
 );

src/lib/wpack.js

@@ -7,14 +7,15 @@ const service = require('./service');
  * Sets webpack entry
  * @param {object} fn Serverless function object
  * @param {string} servicePath Serverless service path
+ * @param {boolean} useTypeScript Use .ts extension
  * @returns {object} Webpack configuration
  */
-const setEntry = (fn, servicePath) =>
+const setEntry = (fn, servicePath, useTypeScript) =>
   R.assoc(
     'entry',
     R.objOf(
-      service.fnPath(fn),
-      path.join(servicePath, service.fnPath(fn))
+      service.fnPath('.js')(fn),
+      path.join(servicePath, service.fnPath(useTypeScript ? '.ts' : '.js')(fn))
     )
   );
 
@@ -40,13 +41,14 @@ const setOutput = (defaultOutput, outputPath) =>
  * @param {string} servicePath Serverless service path
  * @param {object} defaultOutput Webpack default output object
  * @param {string} folder Webpack output folder
+ * @param {boolean} useTypeScript Use .ts extension
  * @returns {array} Array of webpack configurations
  */
-const createConfigs = (fns, config, servicePath, defaultOutput, folder) =>
+const createConfigs = (fns, config, servicePath, defaultOutput, folder, useTypeScript) =>
   R.map(
     fn =>
       R.pipe(
-        setEntry(fn, servicePath),
+        setEntry(fn, servicePath, useTypeScript),
         setOutput(defaultOutput, path.join(servicePath, folder))
       )(config),
     R.values(fns)