From 25a5e3ffe37a03c54b694c2a5b2195545f626bf3 Mon Sep 17 00:00:00 2001
From: Lucas Azzola <derflatulator@gmail.com>
Date: Tue, 11 Jul 2017 19:52:47 +1000
Subject: [PATCH] Fix ignore unknown --no-semi, fixes #2448 (#2450)

---
 bin/prettier.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/bin/prettier.js b/bin/prettier.js
index 1cdc0b00f..ac29bb505 100755
--- a/bin/prettier.js
+++ b/bin/prettier.js
@@ -67,7 +67,7 @@ const argv = minimist(args, {
   },
   unknown: param => {
     if (param.startsWith("-")) {
-      const paramName = param.substring(2);
+      const paramName = param.replace(/--(no-)?/, "");
       if (
         booleanOptionNames.indexOf(paramName) === -1 &&
         stringOptionNames.indexOf(paramName) === -1