Steam: Use all consumables from Winter Sale 2018 in inventory

index.js

/*
  1. go to your inventory and open developers panel, networking tab
  2. use one item
  3. replace <USER_ID> with your ID and <SESSION_ID> with sessionid from "ajaxactivateconsumable" request
  4. run this script from console
  
  I don't have all classid's but you may search for them in inventoy data response
*/
fetch('https://steamcommunity.com/inventory/<USER_ID>/753/6?l=english&count=2000')
  .then((response) => response.json())
  .then(({assets}) => {
	let promise = Promise.resolve();
    assets.forEach(({assetid, classid}) => {
		if(
		  classid !== '3121264999' && 
		  classid !== '3135017353' && 
		  classid !== '3120030282' && 
		  classid !== '3120030295' && 
		  classid !== '3124448556' && 
		  classid !== '3120694517' && 
		  classid !== '3126606933' && 
		  classid !== '3129008181' && 
		  classid !== '3120030286' && 
		  classid !== '3131405634' && 
		  classid !== '3120030304'
		) return;
		
		const formData = new FormData();
		formData.append('sessionid', <SESSION_ID>);
		formData.append('appid', '991980');
		formData.append('item_type', '105');
		formData.append('assetid', assetid);
		formData.append('actionparams', '{"action":"consume_winter2018","message":"#Badge_Winter2018_ConsumeBatteries"}');
		
		
		promise = promise
		  .then(() => fetch('https://steamcommunity.com/id/a_w/ajaxactivateconsumable/', {
			 method: 'POST',
			 body: formData,
		  }));
	});
});