[wip] build on install if local build

Author: unflxw

.prettierignore

@@ -0,0 +1 @@
+dist

packages/nodejs/package.json

@@ -34,7 +34,7 @@
     "build": "tsc -p tsconfig.json",
     "build:watch": "tsc -p tsconfig.json -w --preserveWatchOutput",
     "clean": "rimraf dist coverage build && rimraf ext/appsignal-agent ext/libappsignal.a ext/appsignal.* ext/*.tar.gz ext/*.report",
-    "install": "node scripts/extension/extension.js",
+    "install": "if test -d src; then npm run build; fi; node scripts/extension/extension.js",
     "link:npm": "npm link",
     "link:yarn": "yarn link",
     "test": "jest --filter=./test/filter.js",