@better-builds/nodec/dist/guardGoToolchain.js

The unofficial node-application-to-standalone-executable compiler, complete with ESBuild support.

import { execSync } from 'node:child_process';
import os from 'node:os';
import commandExists from 'command-exists';
/**
 * Checks to see if the Golang toolchain is installed on the user's machine.
 * If it isn't, throws an error
 */
export async function guardGoToolchain() {
    let gobinpath = '';
    try {
        gobinpath = await commandExists('go');
    }
    catch (error) {
        /* no-op */
    }
    if (!gobinpath) {
        throw new Error(`The Go toolchain is required to be installed, in order to compile your node application to a binary with nodec. To get started with Go, head to Go install guide:${os.EOL}https://go.dev/doc/install`);
    }
    // if we got here, go is installed, but we need to be on a certain minimum version that supports
    // embedding, wh9ich is go 1.16
    const goVersionResult = execSync('go version', { stdio: 'pipe' }).toString('utf-8').trim();
    const [, versionMatch = ''] = /go\s+version\sgo((\d+\.?){1,3})/.exec(goVersionResult) ?? [];
    const minRequiredVersion = '1.16';
    const sortedSemver = [versionMatch, minRequiredVersion].sort();
    if (!versionMatch.startsWith(minRequiredVersion) && sortedSemver[0] === versionMatch) {
        // the version of go the user has installed is not at least something in the 1.16 range or above
        throw new Error(`The version of the Go toolchain yuo have installed is not supported. Wanted at least ${minRequiredVersion} but found ${versionMatch}`);
    }
}