From 379e8c5e198927dd3ca36b3c2e37a55d5faca647 Mon Sep 17 00:00:00 2001
From: Alan Agius <alan.agius4@gmail.com>
Date: Mon, 10 Sep 2018 22:16:31 +0200
Subject: [PATCH] docs: add `disableTypeScriptVersionCheck` documentation
 (#25537)

PR Close #25537
---
 aio/content/guide/aot-compiler.md | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/aio/content/guide/aot-compiler.md b/aio/content/guide/aot-compiler.md
index 3022437e57..83295a7f18 100644
--- a/aio/content/guide/aot-compiler.md
+++ b/aio/content/guide/aot-compiler.md
@@ -1482,6 +1482,14 @@ to allow it to be imported from template factory modules. See
 Setting this option to `false` disables this rewriting, requiring the rewriting to be
 done manually.
 
+### *disableTypeScriptVersionCheck*
+
+When `true`, this option tells the compiler not to check the TypeScript version.
+The compiler will skip checking and will not error out when an unsupported version of TypeScript is used.
+Setting this option to `true` is not recommended because unsupported versions of TypeScript might have undefined behaviour.
+
+This option is `false` by default.
+
 ### *preserveWhitespaces*
 
 This option tells the compiler whether to remove blank text nodes from compiled templates.