falcor/lib/support/isAlreadyExpired.js

A JavaScript library for efficient data fetching.

var now = require("./../support/now");
var $now = require("./../values/expires-now");
var $never = require("./../values/expires-never");

module.exports = function isAlreadyExpired(node) {
    var exp = node.$expires;
    return (exp != null) && (
        exp !== $never) && (
        exp !== $now) && (
        exp < now());
};