@brimdata/zealot/src/zed/utils/is-container.ts

The Javascript Client for Zed Lakes

import {Record} from "../values/record"
import {Array} from "../values/array"
import {ZedMap} from "../values/map"
import {Set} from "../values/set"
import {Union} from "../values/union"
import {Error} from "../values/error"
import {TypeValue} from "../values/type-value"

const containers = [Record, Array, Set, Union, ZedMap, Error, TypeValue]

export function isContainer(value: unknown) {
  for (let name of containers) {
    if (value instanceof name) return true
  }
  return false
}