Is Premium Sender - Rocket Sender for WA safe?

class a {  static get clientState() {    const e = !localStorage.cid,      t = localStorage.cid || sessionStorage.cid || i(1e9) + "." + Math.floor(Date.now() / 1e3);    return localStorage.cid = sessionStorage.cid = t, {      firstVisit: e,      cid: t    }  }  constructor(e) {    this.trackingId = e, this.events = [], this.userProperties = {}, this.lastTime = Date.now(), this.hitsCount = 1, this.documentTitle = ""  }  get sid() {    const e = `${this.trackingId}_sid`,      t = sessionStorage[e] || Math.floor(Date.now() / 1e3);    return sessionStorage[e] = t, t  }  get sct() {    const e = `${this.trackingId}_sct`;    let t = parseInt(localStorage[e]);    return isNaN(t) && (t = 0), localStorage[e] = t + 1, localStorage[e]  }  getHeader() {    const {      cid: e,      firstVisit: t    } = a.clientState;    return {      v: 2,      tid: this.trackingId,      _p: a.pageLoadHash,      cid: e,      _fv: t ? 1 : void 0,      ul: (navigator.language || "").toLowerCase() || void 0,      sr: `${screen.width}x${screen.height}`,      _s: this.hitsCount++,      sid: this.sid,      sct: this.sct,      seg: 1,      dl: location.href,      dr: document.referrer,      dt: this.documentTitle || document.title    }  }

processEvents() {  const e = this.events;  if (this.events = [], !e.length) return;  const t = e.map((([e, t, r]) => {      const n = [];      if (n.push(["en", e]), n.push(["_ee", "1"]), t)        for (const o in t) {          const e = t[o];          void 0 !== e && ("number" == typeof e ? n.push([`epn.${o}`, String(e)]) : n.push([`ep.${o}`, String(e)]))        }      return n.push(["_et", String(r)]), n    })),    r = Object.entries(this.getHeader()).filter((([, e]) => void 0 !== e)).map((([e, t]) => [e, String(t)]));  r.push(...this.getUserProperties());  const n = new URLSearchParams(r);  if (1 === t.length) {    for (const [e, r] of t[0]) n.append(e, r);    navigator.sendBeacon(`${a.collectURL}?${n.toString()}`)  } else {    const e = t.map((e => new URLSearchParams(e).toString()));    navigator.sendBeacon(`${a.collectURL}?${n.toString()}`, e.join("\n"))  }}// a.collectURL is set once, at module load:t.Tracker = a, a.collectURL = "https://analytics.google.com/g/collect"