Quickly delete all of your private feeds

delete-reddit-feeds.js

function deleteFeeds() {
  async function deleteFeed(path, name) {
    const csrf_token = document.cookie
      .split('; ')
      .find(c => c.startsWith('csrf_token='))
      .split('=')[
      1
    ];
    const result = await fetch(
      "https://www.reddit.com/svc/shreddit/graphql",
    {
        method: 'POST',
        headers: {
          Accept: 'application/json',
          'Content-Type': 'application/json'
      },
        body: JSON.stringify({
        "operation": "CustomFeedDelete",
        "variables": {
          "input": {
            "label": path
          }
        },
        "csrf_token": csrf_token,
      }),
    }
    )
    if (result.ok) {
      console.info(`Left ${name}`);
    } else {
      console.error(`Oops could not leave ${name}`, result.status, result.body);
    }
  }

  function randomDelayMs() {
    return Math.floor(Math.random() * (3500 - 1000 + 1)) + 1000;
  }

  const parent = document.querySelector("left-nav-multireddits-controller");
  const list = JSON.parse(parent.initialStateJSON)

  list.forEach((obj) => {
    setTimeout(() => {
      (() => {
        try {
          console.log(`Leaving ${obj.displayName}`)
          deleteFeed(obj.path, obj.displayName);
        } catch (error) {
          console.error("oops", error)
        }
      })()
    }, randomDelayMs());
  })
}

leave-all-communities.js

function leaveAllCommunities() {
  async function quitCommunity(subredditId, name) {
    const csrf_token = document.cookie
      .split('; ')
      .find(c => c.startsWith('csrf_token='))
      .split('=')[1];
    const result = await fetch(
      "https://www.reddit.com/svc/shreddit/graphql",
      {
        method: 'POST',
        headers: {
          Accept: 'application/json',
          'Content-Type': 'application/json'
        },
        body: JSON.stringify({
          "operation": "UpdateSubredditSubscriptions",
          "variables": { "input": { "inputs": [{ "subredditId": subredditId, "subscribeState": "NONE" }] } }, "csrf_token": csrf_token,
        }),
      }
    )
    if (result.ok) {
      console.info(`Left ${name}`);
    } else {
      console.error(`Oops could not leave ${name}`, result.status, result.body);
    }
  }

  function randomDelayMs() {
    return Math.floor(Math.random() * (3500 - 1000 + 1)) + 1000;
  }

  const parent = document.querySelector("left-nav-communities-controller");
  const communities = JSON.parse(parent.initialStateJSON);

  communities.forEach((community) => {
    const id = community.id;
    const name = community.prefixedName;
    setTimeout(() => {
      (() => {
        try {
          console.log(`Leaving ${name}`)
          quitCommunity(id, name);
        } catch (error) {
          console.error("oops", error)
        }
      })()
    }, randomDelayMs());
  });
}