Function isPrimitive

packages/db/src/query/predicate-utils.ts:1121–1129

* Check if a value is a primitive (string, number, boolean, null, undefined) * Primitives can use Set for fast lookups

(value: any)

 * Primitives can use Set for fast lookups
 */
function isPrimitive(value: any): boolean {
  return (
    value === null ||
    value === undefined ||
    typeof value === `string` ||
    typeof value === `number` ||
    typeof value === `boolean`
  )
}

/**
 * Check if all values in an array are primitives