Unclap everything on Medium

medium-unclap.js

/**
 * Unclaps everything on Medium
 * @author Jane Manchun Wong
 */

(async () => {
  if ( window.location.host !== 'medium.com' ) {
    console.error(`This script won't work unless you go to Medium:\nhttps://medium.com/me`)
    return
  }
  /**
   * Send Medium server POST requests
   * @param input {string} URI
   * @param payload {Object} JSON Payload
   * @returns {Object} Result
   */
  const _post = async (input, payload) => {
    const res = await fetch(input, {
      method: 'POST',
      headers: {
        'Accept': 'application/json',
        'Content-Type': 'application/json',
        'x-xsrf-token': 1
      },
      body: JSON.stringify(payload)
    })
    const content = await res.text()
    return JSON.parse(content.replace(/\]\)}while\(1\);<\/x>/,''))
  }

  const {
    data: {
      viewer: {
        userId,
        clapsStream: {
          nodes: clapNodes
        }
      }
    }
  } = await _post('/_/graphql', {
    query: `query {
      viewer {
        userId: id
        clapsStream: clapsStreamConnection(paging:{limit:10000}) {
            nodes: stream {
              node: itemType {
                ... on StreamItemPostPreview {
                  post {
                    id
                    viewerClapCount
                    title
                  }
                }
              }
            }
          }
      }
    }`
  })

  if(clapNodes.length === 0) {
    console.log(`No claps found on your profile. You are good to go!`)
    return;
  }

  clapNodes.forEach(({ node: { post } }, i, { length }) => {
    (async () => {
      if (!post) {
        console.log(`${i+1}/${length} skipped`)
        return
      }
      const { success } = await _post(`/_/api/posts/${post.id}/claps`, {
        userId,
        clapIncrement: -post.viewerClapCount
      })
      if (success) console.log(`✅ ${i+1}/${length} unclapped: ${post.id} - ${post.title}`)
      else console.error(`Unable to unclap post:${post.id}`)
    })()
  })

})();