Incompatible ts-loader version

nicholasruunu · javiereguiluz · commit 8f2d2f1b4871 · 2018-04-27T08:34:29.000+02:00
The ts-loader major version must map to the webpack major version: TypeStrong/ts-loader#748
diff --git a/frontend/encore/typescript.rst b/frontend/encore/typescript.rst
@@ -5,7 +5,7 @@ Want to use `TypeScript`_? No problem! First, install the dependencies:
 
 .. code-block:: terminal
 
-    $ yarn add --dev typescript ts-loader
+    $ yarn add --dev typescript ts-loader@^3.0
 
 Then, activate the ``ts-loader`` in ``webpack.config.js``:
 
