ancestry_saver.js

/**
 * 1. Filter matches to 6-8cM
 * 2. Open the developer console in Chrome.
 * 3. Paste this.
 * 4. Scroll through matches. As you scroll they, will be automatically noted.
 * Known bugs:
 * - The first page of matches won't be automatic, but the rest will.
 * - You may need to refresh the page to see notes.
 *
 *  For educational purposes only.
 */

const pairOfIdsFromNode=e=>{if(!e)return void console.warn("No node.");const t=e.href;if(!e.href||0==e.href.length)return void console.warn("empty url.");if(!t.includes("/compare/"))return void console.warn("Not a compare URL.");const r=t.split("/").splice(-3),o=r[0],n=r[2];return o&&n?{myId:o,theirId:n}:void 0};let matchListBody=()=>document.querySelector(".match-list-body");const noteNodes=e=>{e.filter(e=>"A"===e.tagName).map(pairOfIdsFromNode).filter(e=>void 0!==e&&null!==e.myId&&null!==e.theirId).forEach(e=>requestForMatch(e))};let mutationHandler=(e,t)=>{[].concat(...e.map(e=>Array.from(e.addedNodes))).filter(e=>"A"===e.tagName).map(pairOfIdsFromNode).filter(e=>void 0!==e&&null!==e.myId&&null!==e.theirId).forEach(e=>requestForMatch(e))};const mutationObserver=new MutationObserver(mutationHandler),mutationObserverConfig={childList:!0,subtree:!0};mutationObserver.observe(matchListBody(),mutationObserverConfig);const note=()=>JSON.stringify({note:"under 8cM"}),requestURLFor=(e,t)=>`https://www.ancestry.com/discoveryui-matchesservice/api/samples/${e}/matches/${t}`,requestForMatch=({myId:e,theirId:t})=>{const r=requestURLFor(e,t),o=new XMLHttpRequest;o.addEventListener("readystatechange",e=>{console.log(`Req state change: ${e.target.status}`)}),o.open("PUT",r,!0),o.setRequestHeader("Content-Type","application/json"),o.send(note())};