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const fs = require("fs");
const join = require("path").join;
// checks whether `executable_to_check` is in `$PATH`
module.exports = (executable_to_check) => {
// get folders in `$PATH`
let path_dirs = process.env["PATH"].split(":");
// run through folders
for (let i = 0; i < path_dirs.length; i++) {
// path to executable this iteration
let executable = join(path_dirs[i], executable_to_check);
// if `executable` exists and is a file, then we found it
if (fs.existsSync(executable)
&& fs.statSync(executable).isFile()) {
return true;
}
}
// we didn't find `executable_to_check`
return false;
}
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