visualize-missing.js

var fs = require('fs');
var path = require('path');
var shell = require('shelljs');
var options = require('optimist');

var ETSYWEB_DIR = path.join(process.env.HOME, 'development', 'Etsyweb');
var DEPSY_PATH = 'bin/fei/depsy/bin/depsy.js';
var JS_BASE_PATH = 'htdocs/assets/js/'; 

var global_start, global_end;
var global_missing;
var global_missing_keys;
var global_missing_pointer = 0;
var datesalt = (new Date()).toISOString().replace(/\:/g, '_').split('.')[0];
var global_result_dir = path.join(process.env.HOME, 'dots', datesalt);
var global_svg_dir = path.join('/tmp', 'translated-missing', datesalt);

var main = function () {
    global_start = Date.now();
    shell.mkdir('-p', global_result_dir);
    shell.mkdir('-p', global_svg_dir);
    global_missing = JSON.parse(
        fs.readFileSync(options.argv._[0], 'utf8').trim()
    ).compared;
    global_missing_keys = Object.keys(global_missing);

    setImmediate(iter);
};

var iter = function () {
    if (global_missing_pointer >= global_missing_keys.length) {
        end();
    }
    var module = global_missing_keys[ global_missing_pointer++ ];
    var missing_modules = global_missing[module].missing;
    if (missing_modules.length === 0) {
        setImmediate(iter);
        return;
    }

    var module_basename = module.replace(/[\/\.]/g, '-');
    var dotfile_path = path.join(global_result_dir, module_basename + '.dot');
    var command = [
        'cd ', ETSYWEB_DIR,
        ' && ', DEPSY_PATH, ' --dot . ', JS_BASE_PATH, module,
        ' > ', dotfile_path
    ];
    // console.log(command.join(''));
    shell.exec(
        command.join(''),
        {
            silent: true
        },
        function (code, stdout, stderr) {
            if (code !== 0) {
                console.error(stderr);
                setImmediate(iter);
                return;
            }

            var dot_contents = fs.readFileSync(dotfile_path, 'utf8');
            missing_modules.forEach(function (missingmod, i) {
                var moduleid = missingmod.split('/').slice(1).join('/');
                // var greg = new RegExp(foo.replace(/\\/g, '\\\\/'), 'g');
                // var gmatch = greg.exec(dot_contents);
                // console.error( gmatch === null ? foo + ' is not found' : foo + ' is found ' + gmatch.length + ' times');
                var reg = new RegExp('\\[(label\\=\\"templates\\/' + missingmod.replace(/\\/g, '\\\\/') + '\\.mustache\\")\\]');
                if (reg.test(dot_contents)) {
                    dot_contents = dot_contents.replace(reg, '[$1 style="dotted"]');
                }
            });
            fs.writeFileSync(dotfile_path, dot_contents);

            var com2 = [
                'cd ', global_svg_dir,
                ' && dot -Tsvg -o', module_basename, '.svg',
                ' < ', dotfile_path
            ];
            shell.exec(
                com2.join(''),
                function (code, sout, serr) {
                    if (code !== 0) {
                        console.error('Failed! ' + module);
                        console.error(serr);
                    }
                    setImmediate(iter);
                }
            );
        }
    );
};

var end = function () {
    global_end = Date.now();
    console.log('DONE! It takes ' + (global_end - global_start) + ' msec');
    process.exit(0);
};

main();