/* tslint:disable */

//Copied unexported functions from @angular/core/src/facade/lang

var globalScope = global;

export var global = globalScope;

export function isPresent(obj: any): boolean {

return obj !== undefined && obj !== null;

}

export function isBlank(obj: any): boolean {

return obj === undefined || obj === null;

}

export function isDate(obj: any): obj is Date {

return obj instanceof Date && !isNaN(obj.valueOf());

}

export function print(obj: Error | Object) {

console.log(obj);

}

export function isJsObject(o: any): boolean {

return o !== null && (typeof o === 'function' || typeof o === 'object');

}

export function isArray(obj: any): boolean {

return Array.isArray(obj);

}

// When Symbol.iterator doesn't exist, retrieves the key used in es6-shim

declare var Symbol: any;

let _symbolIterator: any = null;

export function getSymbolIterator(): string|symbol {

if (isBlank(_symbolIterator)) {

if (isPresent((<any>globalScope).Symbol) && isPresent(Symbol.iterator)) {

_symbolIterator = Symbol.iterator;

} else {

// es6-shim specific logic

let keys = Object.getOwnPropertyNames(Map.prototype);

for (let i = 0; i < keys.length; ++i) {

let key = keys[i];

if (key !== 'entries' && key !== 'size' &&

(Map as any).prototype[key] === Map.prototype['entries']) {

_symbolIterator = key;

}

}

}

}

return _symbolIterator;

}

export function setValueOnPath(global: any, path: string, value: any) {

let parts = path.split('.');

let obj: any = global;

while (parts.length > 1) {

let name = parts.shift();

if (obj.hasOwnProperty(name) && isPresent(obj[name])) {

obj = obj[name];

} else {

obj = obj[name] = {};

}

}

if (obj === undefined || obj === null) {

obj = {};

}

obj[parts.shift()] = value;

}