try a preinstall in package.json

Author: hubyrod

skipruntime-ts/addon/package.json

@@ -7,6 +7,7 @@
     ".": "./dist/index.js"
   },
   "scripts": {
+    "preinstall": "skargo build -r --lib --manifest-path=../skiplang/ffi/Skargo.toml --out-dir=../../build/skipruntime",
     "prepare": "skargo build -r --lib --manifest-path=../skiplang/ffi/Skargo.toml --out-dir=../../build/skipruntime",
     "build": "skargo build -r --lib --manifest-path=../skiplang/ffi/Skargo.toml --out-dir=../../build/skipruntime && tsc && SKIPRUNTIME=$(realpath ../../build/skipruntime) node-gyp configure && node-gyp build",
     "clean": "rm -rf dist && node-gyp clean",