Edits history of script submission #115 for ' Trigger everytime a new item post on reddit matches at least one mention (reddit)'

• deno

  Edit in Windmill

  Embed

  import { fetchPosts } from "https://deno.land/x/redditposts/src/mod.ts";
  import * as wmill from "https://deno.land/x/[email protected]/mod.ts";
  
  export async function main(
    amountOfPosts: string,
    subreddit: string,
    mentions: string[],
  ) {
    let lastState = await wmill.getInternalState();
  
    const posts = await fetchPosts(`${subreddit}`, {
      amount: `${amountOfPosts}`,
      category: "top",
    });
  
    const items = [];
    for (let item in posts) {
      if (
        mentions.find((mention) => posts[item]["title"]?.includes(mention)) ||
        mentions.find((mention) => posts[item]["selftext"]?.includes(mention))
      ) {
        items.push(posts[item]["title"]);
      }
    }
  
    await wmill.setInternalState(items);
    let currentState = await wmill.getInternalState();
    
    let missingVals = currentState.filter(item => lastState.indexOf(item) < 0);
  
    const subset = missingVals.every(val => lastState.includes(val));
   
    if (lastState && !arrayEquals(currentState, lastState) && !subset) {
      return { items: items };
    }
  
    return "No new mentions on reddit.";
  }
  
  function arrayEquals(a, b) {
    return Array.isArray(a) &&
      Array.isArray(b) &&
      a.length === b.length &&
      a.every((val, index) => val === b[index]);
  }

  Submitted by rossmccrann 1388 days ago