diff --git a/SharePointSPFX.gitignore b/SharePointSPFX.gitignore
index b19bbe12..10ee3b52 100644
--- a/SharePointSPFX.gitignore
+++ b/SharePointSPFX.gitignore
@@ -2,6 +2,8 @@
 logs
 *.log
 npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
 
 # Dependency directories
 node_modules
@@ -13,9 +15,22 @@ solution
 temp
 *.sppkg
 
+# Compiled binary addons (https://nodejs.org/api/addons.html)
+build/Release
+
 # Coverage directory used by tools like istanbul
 coverage
 
+# Optional npm cache directory
+.npm
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+
 # OSX
 .DS_Store
 
@@ -30,3 +45,10 @@ obj
 
 # Styles Generated Code
 *.scss.ts
+
+# Test Result
+testresult
+.DS_Store
+.npmrc
+
+