Remove npx from postinstall script

.npm/postinstall.js

@@ -1,13 +1,23 @@
 require("process");
 const { spawn } = require("child_process");
+const { join } = require("path");
 
 const isCI = process.env.CI;
 if (!isCI) {
  process.chdir(process.env.INIT_CWD);
 
- result = spawn("npx", ["lefthook", "install"]);
+ if (process.platform === 'darwin') {
+ binary = 'lefthook-mac';
+ } else if (process.platform === 'linux') {
+ binary = 'lefthook-linux';
+ } else if (process.platform === 'win32') {
+ binary = 'lefthook-win.exe';
+ } else {
+ console.log("Unsupported OS");
+ process.exit(0);
+ }
 
- result.stdout.on("data", data => {
- console.log(`${data}`);
- });
+ binpath = join(process.cwd(), 'node_modules', '@arkweid', 'lefthook', 'bin', binary);
+
+ result = spawn(binpath, ["install", "-f"], { stdio: [process.stdin, process.stdout, process.stderr] });
 }