funcunit/site/node_modules/steal-tools/lib/cli/cmd_build.js

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var winston = require("winston");
var stealTools = require("../../index");
var clone = require("lodash/cloneDeep");
var options = clone(require("./options"));
var makeSystem = require("./make_system");

module.exports = {
	command: "build",

	describe: "Build a module and all of its dependencies",

	builder: options,

	handler: function(argv) {
		var options = argv;
		var system = makeSystem(argv);

		var promise = stealTools.build(system, options);

		// If this is watch mode this is actually a stream.
		if (promise.then) {
			return promise.then(function() {
				winston.info("\nBuild completed successfully".green);
			}, function(e) {
				// since this is a library we should throw an exception, and
				// because it remains uncaught, will exit the node process with
				// and exit code greater than 0
				if (typeof e === "string") { e = new Error(e); }
				winston.error(e.message.red);
				winston.error("\nBuild failed".red);
				
				process.exit(1);
			});
		}
	}
};