just-build/dist/spawn-or-fork.js

A simple task runner that doesn't bloat your package

var ref = require('child_process');
var spawn = ref.spawn;
var fork = ref.fork;
var ref$1 = require('./tokenize');
var surroundWithQuotes = ref$1.surroundWithQuotes;
var ref$2 = require ('./which-local');
var whichLocal = ref$2.whichLocal;
var path = require('path');
var fs = require('fs');
var clr = require ('./console-colors');
var debug = require('./debug');

function spawnOrFork (cmd, args, ref) {
    var cwd = ref.cwd;
    var env = ref.env;

    var locallyInstalledBinaryModuleEntry = whichLocal (cmd, cwd);
    if (locallyInstalledBinaryModuleEntry) {
        // Use fork instead of spawn to save resources.
        var relativeBinPath = path.relative(cwd, locallyInstalledBinaryModuleEntry);
        console.log(((clr.DIM) + "(node)> " + (clr.CYAN) + cmd + " " + (args.join(' ')) + (clr.RESET)));
        return fork(locallyInstalledBinaryModuleEntry, args, {
            cwd: cwd,
            env: env,
            silent: true
        });
    } else if (cmd === "node" && fs.existsSync(path.resolve(cwd, args[0]))) {
        console.log(((clr.DIM) + "(node)> " + (clr.CYAN) + (args[0]) + " " + (args.slice(1).join(' ')) + (clr.RESET)));
        return fork(args[0], args.slice(1), {
            cwd: cwd,
            env: env,
            silent: true
        });
    } else {
        debug.log(("Using spawn: " + cmd));
        cmd = surroundWithQuotes(cmd);
        debug.log(("cmd = " + cmd));
        args = args.map(surroundWithQuotes);
        console.log(((clr.DIM) + "> " + (clr.CYAN) + cmd + " " + (args.join(' ')) + (clr.RESET)));
        return spawn(cmd, args, {
            cwd: cwd,
            env: env,
            shell: true
        });
    }
}

module.exports = { spawnOrFork: spawnOrFork };