Copy some angular methods

[bishopZ]

/**

• Checks if obj is a window object. *
• @private
• @param {*} obj Object to check
• @returns {boolean} True if obj is a window obj. */ function isWindow(obj) { return obj && obj.document && obj.location && obj.alert && obj.setInterval; }

function isScope(obj) { return obj && obj.$evalAsync && obj.$watch; }

function isFile(obj) { return toString.apply(obj) === '[object File]'; }

function isBoolean(value) { return typeof value == 'boolean'; }

function isElement(node) { return node && (node.nodeName // we are a direct element || (node.bind && node.find)); // we have a bind and find method part of jQuery API }

[bishopZ]

function copy(source, destination){ if (isWindow(source) || isScope(source)) throw Error("Can't copy Window or Scope"); if (!destination) { destination = source; if (source) { if (isArray(source)) { destination = copy(source, []); } else if (isDate(source)) { destination = new Date(source.getTime()); } else if (isObject(source)) { destination = copy(source, {}); } } } else { if (source === destination) throw Error("Can't copy equivalent objects or arrays"); if (isArray(source)) { while(destination.length) { destination.pop(); } for ( var i = 0; i < source.length; i++) { destination.push(copy(source[i])); } } else { forEach(destination, function(value, key){ delete destination[key]; }); for ( var key in source) { destination[key] = copy(source[key]); } } } return destination; }

function equals(o1, o2) { if (o1 === o2) return true; if (o1 === null || o2 === null) return false; if (o1 !== o1 && o2 !== o2) return true; // NaN === NaN var t1 = typeof o1, t2 = typeof o2, length, key, keySet; if (t1 == t2) { if (t1 == 'object') { if (isArray(o1)) { if ((length = o1.length) == o2.length) { for(key=0; key<length; key++) { if (!equals(o1[key], o2[key])) return false; } return true; } } else if (isDate(o1)) { return isDate(o2) && o1.getTime() == o2.getTime(); } else { if (isScope(o1) || isScope(o2) || isWindow(o1) || isWindow(o2)) return false; keySet = {}; for(key in o1) { if (key.charAt(0) !== '$' && !isFunction(o1[key]) && !equals(o1[key], o2[key])) { return false; } keySet[key] = true; } for(key in o2) { if (!keySet[key] && key.charAt(0) !== '$' && !isFunction(o2[key])) return false; } return true; } } } return false; }

function toBoolean(value) { if (value && value.length !== 0) { var v = lowercase("" + value); value = !(v == 'f' || v == '0' || v == 'false' || v == 'no' || v == 'n' || v == '[]'); } else { value = false; } return value; }