gorillajs/app/plugins/ssl/node_modules/yamljs/cli/json2yaml.js

A smart development environment designed to easily install and neatly manage web applications. Gorilla JS frees you from the repetitive daily tasks like apps installation, database management, creation of virtual environment, server configuration… And it

/**
 * yaml2json cli program
 */
 
var YAML = require('../lib/Yaml.js');

var ArgumentParser = require('argparse').ArgumentParser;
var cli = new ArgumentParser({
    prog:           "json2yaml", 
    version:        require('../package.json').version,
    addHelp:        true
});

cli.addArgument(
    ['-d', '--depth'],
    {
        action: 'store',
        type:   'int', 
        help:   'Set minimum level of depth before generating inline YAML (default: 2).'
    }
);

cli.addArgument(
    ['-i', '--indentation'],
    {
        action: 'store',
        type:   'int', 
        help:   'Number of space characters used to indent code (default: 2).',
    }
);

cli.addArgument(
    ['-s', '--save'],
    {
        help:   'Save output inside YML file(s) with the same name.',
        action: 'storeTrue'
    }
);

cli.addArgument(
    ['-r', '--recursive'],
    {
        help:   'If the input is a directory, also find JSON files in sub-directories recursively.',
        action: 'storeTrue'
    }
);

cli.addArgument(
    ['-w', '--watch'],
    {
        help:   'Watch for changes.',
        action: 'storeTrue'
    }
);

cli.addArgument(['input'], {
    help:   'JSON file or directory containing JSON files or - to read JSON from stdin.'
});

try {
    var options = cli.parseArgs();
    var path = require('path');
    var fs   = require('fs');
    var glob = require('glob');
    
    var rootPath = process.cwd();
    var parsePath = function(input) {
        if (input == '-') return '-';
        var output;
        if (!(input != null)) {
            return rootPath;
        }
        output = path.normalize(input);
        if (output.length === 0) {
            return rootPath;
        }
        if (output.charAt(0) !== '/') {
            output = path.normalize(rootPath + '/./' + output);
        }
        if (output.length > 1 && output.charAt(output.length - 1) === '/') {
            return output.substr(0, output.length - 1);
        }
        return output;
    };

    // Find files
    var findFiles = function(input) {
        if (input != '-' && input != null) {
            var isDirectory = fs.statSync(input).isDirectory();
            var files = [];

            if (!isDirectory) {
                files.push(input);
            }
            else {
                if (options.recursive) {
                    files = files.concat(glob.sync(input+'/**/*.json'));
                }
                else {
                    files = files.concat(glob.sync(input+'/*.json'));
                }
            }
        
            return files;
        }
        return null;
    };

    // Convert to JSON
    var convertToYAML = function(input, inline, save, spaces, str) {
        var yaml;
        if (inline == null) inline = 2;
        if (spaces == null) spaces = 2;
        
        if (str == null) {
            str = ''+fs.readFileSync(input);
        }
        yaml = YAML.dump(JSON.parse(str), inline, spaces);
    
        if (!save || input == null) {
            // Ouput result
            process.stdout.write(yaml);
        }
        else {
            var output;
            if (input.substring(input.length-5) == '.json') {
                output = input.substr(0, input.length-5) + '.yaml';
            }
            else {
                output = input + '.yaml';
            }
        
            // Write file
            var file = fs.openSync(output, 'w+');
            fs.writeSync(file, yaml);
            fs.closeSync(file);
            process.stdout.write("saved "+output+"\n");
        }
    };

    var input = parsePath(options.input);
    var mtimes = [];

    var runCommand = function() {
        try {
            var files = findFiles(input);
            if (files != null) {
                var len = files.length;
                for (var i = 0; i < len; i++) {
                    var file = files[i];
                    var stat = fs.statSync(file);
                    var time = stat.mtime.getTime();
                    if (!stat.isDirectory()) {
                        if (!mtimes[file] || mtimes[file] < time) {
                            mtimes[file] = time;
                            convertToYAML(file, options.depth, options.save, options.indentation);
                        }
                    }
                }
            } else {
                // Read from STDIN
                var stdin = process.openStdin();
                var data = "";
                stdin.on('data', function(chunk) {
                    data += chunk;
                });
                stdin.on('end', function() {
                    convertToYAML(null, options.depth, options.save, options.indentation, data);
                });
            }
        } catch (e) {
            process.stderr.write((e.message ? e.message : e)+"\n");
        }
    };

    if (!options.watch) {
        runCommand();
    } else {
        runCommand();
        setInterval(runCommand, 1000);
    } 
} catch (e) {
    process.stderr.write((e.message ? e.message : e)+"\n");
}