ci: add clang format script

Author: amaanq

.clang-format

@@ -0,0 +1,12 @@
+AlignArrayOfStructures: Left
+BasedOnStyle: LLVM
+IndentCaseLabels: true
+IndentGotoLabels: true
+IndentPPDirectives: AfterHash
+IndentWidth: 2
+KeepEmptyLinesAtTheStartOfBlocks: false
+SeparateDefinitionBlocks: Always
+SortIncludes: CaseInsensitive
+SpaceAfterCStyleCast: false
+SpaceAfterLogicalNot: false
+SpaceBeforeCaseColon: false

package-lock.json

@@ -16,13 +16,14 @@
   },
   "scripts": {
     "test": "tree-sitter test",
-    "format": "prettier --trailing-comma es5 --write grammar.js",
-    "format-check": "prettier --trailing-comma es5 --check grammar.js"
+    "format": "prettier --trailing-comma es5 --write grammar.js && clang-format -i src/scanner.c",
+    "format-check": "prettier --trailing-comma es5 --check grammar.js && cat src/scanner.c | clang-format src/scanner.c | diff src/scanner.c -"
   },
   "dependencies": {
     "nan": "^2.15.0"
   },
   "devDependencies": {
+    "clang-format": "^1.8.0",
     "prettier": "^2.3.2",
     "tree-sitter-cli": "^0.20.7"
   },