mgm/core.js

My generic modules

global.btoa = global.btoa || function(str) {
    return new Buffer(str, 'binary').toString('base64');
};

global.atob = global.atob || function(b64Encoded) {
    return new Buffer(b64Encoded, 'base64').toString('binary');
};

Array.prototype.clear = Array.prototype.clear || function() {
    this.splice(0, this.length)
};

String.prototype.capitalize = function() {
    return this.charAt(0).toUpperCase() + this.substring(1);
};

String.prototype.uncapitalize = function() {
    return this.charAt(0).toLowerCase() + this.substring(1);
};

Function.prototype.newInstance = function() {
    return new this();
}

global.getEmptyIfNull = function(data) {
    var newData = data;
    if (data == null) {
        newData = [];
    }
    return newData;
};

global.format = function(data, mask) {
    data = data.split('').reverse().join('').replace(/\W/g, '');
    mask = mask.split('').reverse().join('');
    var fields = getEmptyIfNull(mask.match(/\w+/g));
    var separators = getEmptyIfNull(mask.match(/\W+/g));
    var formatted = [];
    for (var i = 0; data.length > 0 && fields.length > 0; i++) {
        var field = fields.shift();
        var getted = data.substr(0, field.length);
        data = data.replace(getted, '');
        formatted.push(getted);
        if (getted.length == field.length && i < separators.length) {
            formatted.push(separators[i]);
        }
    }
    return formatted.join('').replace(/\W$/, '');
};