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index.js
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index.js
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'use strict';
const steamUserInventory = require('steam-user-inventory');
let interval;
module.exports = function (data) {
let deferred = Promise.defer();
if (!data.user) {
throw new TypeError('Please provide a user');
}
if (!data.item) {
throw new TypeError('Please provide item to check');
}
data.game = data.game || '730/2/';
function req() {
return steamUserInventory(data.user, data.game).then(items => {
return items.filter(item => item.id === data.item);
});
}
function check() {
return req().then(function (items) {
if (items[0]) {
clearInterval(interval);
deferred.resolve(items[0]);
}
if (!items[0] && !data.interval) {
deferred.reject(null);
}
});
}
check();
if (data.interval) {
interval = setInterval(check, data.interval);
}
deferred.promise.clear = function () {
deferred.reject(null);
clearInterval(interval);
};
return deferred.promise;
};