develop (#43)

* fix(ts): use strict mode strictNullChecks etc

* chore: Use extended React.HTMLAttributes<> (#41)

* refactor(code-format): add prettier closes #42

* feat(renderer): add snap to grid option closes #20

* chore(dependabot): use develop as target branch

tsconfig.json

@@ -6,13 +6,20 @@
     "lib": ["es6", "dom", "es2016", "es2017"],
     "jsx": "react",
     "moduleResolution": "node",
-    "forceConsistentCasingInFileNames": true,
-    "strictNullChecks": false,
+    "declaration": true,
+    "strict": true,
+    "noImplicitAny": true,
+    "strictNullChecks": true,
+    "strictFunctionTypes": true,
+    "strictPropertyInitialization": true,
+    "noImplicitThis": true,
+    "alwaysStrict": true,
     "noUnusedLocals": true,
     "noUnusedParameters": true,
+    "noImplicitReturns": true,
+    "noFallthroughCasesInSwitch": true,
     "allowSyntheticDefaultImports": true,
-    "noImplicitAny": true,
-    "suppressImplicitAnyIndexErrors": true
+    "esModuleInterop": true
   },
   "include": ["src"],
   "exclude": ["node_modules", "build", "dist", "example", "rollup.config.js"]