main.js

/*jslint vars: true, plusplus: true, devel: true, nomen: true, regexp: true, indent: 4, maxerr: 50 */
/*global define, $, brackets, window, document, clearTimeout, setTimeout, localStorage */

define(function (require, exports, module) {
    "use strict";

    var CommandManager = brackets.getModule("command/CommandManager"),
        Menus = brackets.getModule("command/Menus"),
        EditorManager = brackets.getModule("editor/EditorManager"),
        DocumentManager = brackets.getModule("document/DocumentManager"),
        FileUtils = brackets.getModule("file/FileUtils"),
        NativeFileSystem = brackets.getModule("file/NativeFileSystem").NativeFileSystem,
        ProjectManager = brackets.getModule("project/ProjectManager"),
        CSSMin = require("cssmin").CSSMin;

    var language = $("#status-language").text(),
        code = "",
        result = "",
        delay,
        auto = (localStorage["minifier.auto"] === "true");

    if (typeof localStorage["minifier.auto"] === "undefined") {
        auto = false;
        localStorage["minifier.auto"] = false;
    }

    $("#status-indicators").prepend('<div id="min-status" style="text-align: right;"></div>');
    var tunnel = $("#min-status");

    function status(msg) {
        tunnel.text(msg);
    }

    function found(name) {
        var exists = false;
        $(".jstree-leaf a").each(function () {
            if ($(this).text().substr(1) === name) {
                exists = true;
            }
        });
        return exists;
    }

    function save(code, path, entry) {
        var split = path.split("/"),
            name = split.pop(),
            dir = split.join("/");
        if (!found(name)) {
            ProjectManager.createNewItem(dir, name, true, false);
        }
        var fileEntry = new NativeFileSystem.FileEntry(path),
            lineEnding = "\n";
        if (FileUtils.getPlatformLineEndings() === "CRLF") {
            lineEnding = "\r\n";
        }
                
        FileUtils.writeText(fileEntry, code).done(function () {
            console.log("compression done");
        });
    }

    function read(file, lan) {
        var editor = EditorManager.getActiveEditor();
        if (file.name.match(new RegExp("\\.min\\." + lan))) {
            console.log(file.name, lan);
            status("File already minified");
            delay = setTimeout(function () {
                status("");
            }, 1000);
        } else if (lan === "js") {
            var data = {
                'compilation_level': 'SIMPLE_OPTIMIZATIONS',
                'output_format': 'text',
                'output_info': 'compiled_code'
            };
            clearTimeout(delay);
            data.js_code = editor.document.getText();
            $.ajax({
                url: 'https://closure-compiler.appspot.com/compile',
                type: 'POST',
                data: data
            }).always(function (jqXHR, textStatus, errorThrown) {
                if (jqXHR.status === 200) {
                    var path = file.fullPath.replace(".js", ".min.js");
                    save(jqXHR.responseText, path, file);
                    status("Minified");
                    delay = setTimeout(function () {
                        status("");
                    }, 1000);
                } else {
                    console.log("error minifying" );
                    status("Error Minifying. Check your code for errors.");
                    delay = setTimeout(function () {
                        status("");
                    }, 5000);
                }
            });
        } else if (lan === "css") {
            var mini = CSSMin.go(editor.document.getText());
            var path = file.fullPath.replace(".css", ".min.css");
            save(mini, path, file);
            status("Minified");
            delay = setTimeout(function () {
                status("");
            }, 1000);
        } else {
            status("File type not minifiable");
            delay = setTimeout(function () {
                status("");
            }, 1000);
        }
        // populate(file);
    }

    // Function to run when the menu item is clicked
    function compile() {
        status("Minifying...");
        language = (EditorManager.getActiveEditor()).document.file.name.split('.').pop();
        if (language !== "js" && language !== "css") {
            console.log("File type not minifiable");
            status("File type not minifiable");
            delay = setTimeout(function () {
                status("");
            }, 3000);
            return;
        } else {
            code = "";
            var editor = EditorManager.getActiveEditor();
            if (!editor) {
                return;
            }

            read(editor.document.file, language);
        }
    }

    $(DocumentManager).on("documentSaved", function (event, doc) {
        if (auto) {
            var fExt = doc.file.name.split(".").pop();

            if (fExt === "js" || fExt === "css") {
                compile();
            }
        } else {
            return;
        }
    });

    var menu = Menus.getMenu(Menus.AppMenuBar.EDIT_MENU);
    var cmd_min_id = "minifier.min";
    var cmd_auto_id = "minifier.auto";
    CommandManager.register("Minify", cmd_min_id, compile);
    CommandManager.register("Minify on Save", cmd_auto_id, function () {
        this.setChecked(!this.getChecked());
    });

    var automaton = CommandManager.get(cmd_auto_id);

    automaton.setChecked(auto);

    $(automaton).on('checkedStateChange', function () {
        auto = automaton.getChecked();
        localStorage["minifier.auto"] = auto;
    });

    menu.addMenuItem('minifier.min', "Ctrl-M");
    menu.addMenuItem(automaton);
    menu.addMenuDivider('before', 'minifier.min');

    automaton.setChecked(auto);

    console.log(auto);

});