Function JL

resources/vega.min.js:31909–31909

(t)

        : [ot({ test: t }, e)].concat(n || [])
    ),
    JL = (t) => null == t || 1 === Object.keys(t).length,
    ZL = (t, e, n) => ({ signal: `${t} ? (${KL(e)}) : (${KL(n)})` }),
    QL = (t, e, n, r, i) => ({
      signal: