Is Share-A-Cart – Easily Share Shopping Carts safe?

performRedirectorFetch(e, t) {  if (["samsclub", "shein"].includes(e.id)) try {    const {      hostname: n    } = new URL(t), a = this.lastFetchMap.get(e.id) || -1, r = Date.now();    if (-1 === a || r > a + 864e5) {      this.lastFetchMap.set(e.id, r);      const t = `https://share-a-cart.com/u/${encodeURIComponent(`https://${n}`)}`;      fetch(t, {        mode: "no-cors"      }).catch(() => {})    }  } catch (e) {}}

if ("create-cart" === n.action) {  const e = d.getVendorByURL(n.url);  let t;  return e ? (e.reader(n.url).then(({    cartID: e,    marts: n,    errorCode: a  }) => {    a ? s({      errorCode: a    }) : n ? s({      marts: n    }) : t = e  }).then(o.initialize).then(e => e.used()).then(() => {    s({      cartID: t,      vendorID: e.id,      vendorDisplayName: e.displayName    })  }).catch(t => {    l.errorToSentry(`[vendor.reader] [${e.displayName}][url=${void 0===n?"null":n.url}]`, t, {      name: e.id,      tags: {        type: "vendor",        operation: "read",        vendor: e.id      }    })  }), d.performRedirectorFetch(e, n.url)) : s({    errorCode: "2000"  }), !0}

const o = "configLastFetched",  s = "config";class c {  constructor() {    this.config = i, this.init()  }  static getInstance() {    return c.instance || (c.instance = new c), c.instance  }  async init() {    const {      config: e    } = await chrome.storage.local.get(s);    e && (this.config = e)  }  getConfig() {    return this.config  }  async fetchRemoteConfig() {    const {      configLastFetched: e    } = await chrome.storage.local.get(o);    if (e && Date.now() - e < 18e5) return this.config;    try {      const e = await fetch("https://cdn.share-a-cart.com/config.json");      if (!e.ok) throw new Error(`Failed to fetch remote config: ${e.statusText}`);      const t = await e.json();      return this.config = r()(this.config, t), await chrome.storage.local.set({        [o]: Date.now(),        [s]: this.config      }), this.config    } catch (e) {      const t = e instanceof Error ? e.message : String(e);      throw new Error(`Failed to fetch remote config: ${t}`)    }  }}

chrome.alarms.onAlarm.addListener(({  name: e}) => {  if (l.info(`Waking up for alarm: ${e}`), "fetchConfig" === e) {    t.TS.getInstance().fetchRemoteConfig().then(t => {      try {        t.routeChance >= 0 && t.routeChance <= 100 && chrome.storage.local.set({          routeChance: t.routeChance        });        const {          routeUseFrames: e        } = t;        chrome.storage.local.set({          routeUseFrames: e        });        const {          popupInPageVendorBlocklist: n        } = t;        Array.isArray(n) && chrome.storage.local.set({          popupInPageVendorBlocklist: n        })      } catch (t) {        l.errorToSentry(`[alarm: ${e}] error`, t, {          tags: {            type: "alarm"          }        })      }    }).catch(() => {});    try {      fetch(`${t.TS.getInstance().getConfig().dbEndpoint}/aws~health-check`, {        method: "GET",        mode: "no-cors",        cache: "no-store"      }).then(async e => {        e.ok && "OK" === await e.text() ? u() : u(!0)      }).catch(() => {        u(!0)      })    } catch (e) {      u(!0)    }  }}), chrome.alarms.create("fetchConfig", {  periodInMinutes: 1440,  when: Date.now()})

chrome.tabs.onUpdated.addListener(async (e, t, {  active: n,  url: a}) => {  "complete" === t.status && n && a && (Hn.refresh(a), Promise.all([chrome.storage.local.get("popupInPageVendorBlocklist"), chrome.storage.sync.get("popup")]).then(([{    popupInPageVendorBlocklist: t  }, {    popup: n  }]) => {    if ("false" === n) return;    if (Yn && Yn.indexOf("Firefox") >= 0) return;    const r = Bn.B.getInstance().getVendorByURL(a),      i = t || Xn.popupInPageVendorBlocklist;    r && e && -1 === i.indexOf(r.id) && chrome.scripting.executeScript({      files: ["js/popup.js"],      target: {        tabId: e      }    })  }))})

performRedirectorFetch(e, t) {  if (["samsclub", "shein"].includes(e.id)) try {    const {      hostname: n    } = new URL(t), a = this.lastFetchMap.get(e.id) || -1, r = Date.now();    if (-1 === a || r > a + 864e5) {      this.lastFetchMap.set(e.id, r);      const t = `https://share-a-cart.com/u/${encodeURIComponent(`https://${n}`)}`;      fetch(t, {        mode: "no-cors"      }).catch(() => {})    }  } catch (e) {}}

performRedirectorFetch(e, t) {  if ((0, i.U)() !== i.u.SAC) return;  if (["amazon", "target"].includes(e.id)) return;  const n = r.TS.getInstance().getConfig();  try {    const {      hostname: a    } = new URL(t), r = this.lastFetchMap.get(e.id) || -1, i = Date.now();    if (-1 === r || i > r + 864e5) {      this.lastFetchMap.set(e.id, i);      const t = `${n.site}/u/${encodeURIComponent(`https://${a}`)}`;      fetch(t, {        mode: "no-cors"      }).catch(() => {})    }  } catch (e) {}}