chore(build): add jscs code style check to our build

Closes #6062

1 files changed, 22 insertions, 0 deletions

diff --git a/.jscs.json.todo b/.jscs.json.todo
new file mode 100644
index 00000000..6f6f0416
--- /dev/null
+++ b/.jscs.json.todo
@@ -0,0 +1,22 @@
+// This is an incomplete TODO list of checks we want to start enforcing
+//
+// The goal is to enable these checks one by one by moving them to .jscs.json along with commits
+// that correct the existing code base issues and make the new check pass.
+
+{
+  "requireCurlyBraces": ["if", "else", "for", "while", "do", "try", "catch"],
+  "requireSpaceAfterKeywords": ["if", "else", "for", "while", "do", "switch", "return", "try", "catch"],
+  "disallowLeftStickedOperators": ["?", "+", "-", "/", "*", "=", "==", "===", "!=", "!==", ">", ">=", "<", "<="],
+  "disallowRightStickedOperators": ["?", "+", "/", "*", ":", "=", "==", "===", "!=", "!==", ">", ">=", "<", "<="],
+  "requireRightStickedOperators": ["!"],
+  "requireLeftStickedOperators": [","],
+  "disallowImplicitTypeConversion": ["string"],
+  "disallowMultipleLineBreaks": true,
+  "disallowKeywordsOnNewLine": ["else"],
+  "disallowTrailingWhitespace": true,
+  "requireLineFeedAtFileEnd": true,
+  "validateJSDoc": {
+    "checkParamNames": true,
+    "requireParamTypes": true
+  }
+}