patriot/lib/patriot/build.js

Patriot command-line interface and node.js library.

/*!
 * Module dependencies.
 */

var Command = require("./util/command"),
    project = require("./util/project"),
    util = require("util"),
    fs = require("fs-extra"),
    sh = require("execSync"),
    build_date = new Date().format("yyyy-MM-dd_hhmm");

/*!
 * Command setup.
 */

module.exports = {
    create: function (patriot) {
        return new BuildCommand(patriot);
    }
};

function BuildCommand(patriot) {
    return Command.apply(this, arguments);
}

util.inherits(BuildCommand, Command);

/**
 * Build an App.
 *
 * Construct and optimize the www-dev folder into www to use
 * in native packages.
 *
 * Options:
 *
 *   - `options` {Object}
 *     - `folder` {String} is a list of folders (limited to 1).
 *   - [`callback`] {Function} is triggered after completion.
 *     - `e` {Error} is null unless there is an error.
 *
 * Returns:
 *
 *   {Patriot} for chaining.
 */

BuildCommand.prototype.run = function (options, callback) {
    // require options
    if (!options) throw new Error("requires option parameter");

    // optional parameters
    options.folder = options.folder || "www-dev";
    callback = callback || function () {
    };

    // build app
    this.execute(options, callback);

    return this.patriot;
};

/*!
 * Execute command.
 */

BuildCommand.prototype.execute = function (options, callback) {

    var self = this,
        configData,
        text,
        lines,
        bootstrapData,
        depsData,
        result;

    // change to project directory and delegate errors
    if (!project.cd({ emitter: self.patriot, callback: callback })) return;

    // announce build id
    self.patriot.emit("log", "starting build id: " + build_date);

    // Copy www-dev into build/www
    fs.copySync("www-dev/", "build/www");
    self.patriot.emit("log", "created copy at build/www");

    // Read the contents of the file into memory.
    configData = fs.readFileSync('build/www/config.prod.js');

    // configData is a Buffer, convert to string.
    text = configData.toString().replace(/([^\[]+)(\[)([^\]]+)([^¬]+)/, "$3").replace(/\"/g, "").replace(/ /g, "");

    // Break up the file into lines.
    lines = text.split(',');

    lines.forEach(function (line) {

        var moduleData,
            pathText,
            pathLines;

        moduleData = fs.readFileSync("build/www/" + line + ".js");
        pathText = moduleData.toString().match(/"[^]*\/\/ @build/g).toString().replace(/ /g, "").replace(/\/\/@build/g, "").replace(/^\s*[\r\n|\r|\n]/gm, "");

        // Break up the file into lines.
        pathLines = pathText.split(",");
        pathLines.forEach(function (line) {
            fs.appendFileSync('build/www/deps.tmp', "        " + line + ",");
        });
    });

    bootstrapData = fs.readFileSync("build/www/bootstrap.js");
    depsData = fs.readFileSync("build/www/deps.tmp");

    result = bootstrapData.toString().replace(/\/\/ @Patriot/g, depsData.toString()).replace("\" + ENV","mobile\"");
    fs.writeFileSync("build/www/bootstrap.js", result);

    self.patriot.emit("log", "module configuration inspection finished");

    // Optimize the javascript in the public folder and
    // copy it to the public_build folder.
    self.patriot.emit("log", "optimizing the source code...");
    var result = sh.exec("node build/www/vendor/require/r-2.1.9.js -o build/www/config.build.js");
    //console.log('stdout + stderr ' + result.stdout);

    fs.removeSync("www/");
    fs.removeSync("build/www");
    fs.removeSync("build/www-built/src");
    fs.removeSync("build/www-built/vendor/common");
    fs.removeSync("build/www-built/vendor/hybreed");
    fs.removeSync("build/www-built/vendor/jquery");
    fs.removeSync("build/www-built/vendor/mobile");
    fs.removeSync("build/www-built/vendor/require");
    fs.removeSync("build/www-built/vendor/test");
    fs.removeSync("build/www-built/build.txt");
    fs.removeSync("build/www-built/config.build.js");
    fs.removeSync("build/www-built/config.test.js");
    fs.removeSync("build/www-built/config.prod.js");
    fs.removeSync("build/www-built/tests.html");
    fs.removeSync("build/www-built/deps.tmp");

    // Copy build/www-built into build/{build_date}
    fs.renameSync("build/www-built", "build/build_" + build_date);

    fs.copySync("build/build_" + build_date, "www/");
    self.patriot.emit("log", "hybreed project compiled into www folder");

};