Edits history of script submission #174 for ' Watch for new suggestions (windmillhub)'

• deno

  Edit in Windmill

  Embed

  import * as wmill from "https://deno.land/x/windmill@v1.39.0/mod.ts"
  
  export async function main() {
    const state = await wmill.getInternalState();
    const previousLatestId = state?.latestId ?? 0;
    
    // Fetch and validate
    const data = await (await fetch('https://hub.windmill.dev/searchData')).json();
    const asks = assertAsks(data.asks);
    const newAsks = asks.filter(ask => ask.ask_id > previousLatestId);
  
    // Update state
    const latestId: number = asks.reduce((prevId, ask) => {
      return Math.max(prevId, ask.ask_id);
    }, previousLatestId);
    const newState = {
      ...state,
      latestId,
    };
    await wmill.setInternalState(newState);
    console.info('old state', state);
    console.info('new state', newState);
    
    // Return new asks
    return newAsks;
  }
  
  function assertAsks(asks: any): { ask_id: number }[] {
    if (!Array.isArray(asks)) {
      throw Error('"asks" must be an array');
    }
    if (!asks.every((ask: any) => !!ask && Number.isInteger(ask.ask_id))) {
      throw Error('Not all asks have an integer "ask_id"');
    }
    return asks;
  }

  Submitted by jaller94 557 days ago