Function newtuple

resources/vega.min.js:5526–5533

(t, e)

        return (n.store && (n.data = new ru()), n);
      },
      newtuple(t, e) {
        const n = this._dnames,
          r = this._dims,
          i = r.length,
          o = {};
        for (let e = 0; e < i; ++e) o[n[e]] = r[e](t);
        return e ? ba(e.tuple, o) : va(o);
      },
      clean() {
        const t = this.value;
        for (const e in t) 0 === t[e].num && delete t[e];