Function filter

packages/ai/ai/src/Tool.ts:1479–1507

(obj: any)

}

function filter(obj: any) {
  let next = [obj]

  while (next.length) {
    const nodes = next
    next = []

    for (const node of nodes) {
      if (Object.prototype.hasOwnProperty.call(node, "__proto__")) {
        throw new SyntaxError("Object contains forbidden prototype property")
      }

      if (
        Object.prototype.hasOwnProperty.call(node, "constructor") &&
        Object.prototype.hasOwnProperty.call(node.constructor, "prototype")
      ) {
        throw new SyntaxError("Object contains forbidden prototype property")
      }

      for (const key in node) {
        const value = node[key]
        if (value && typeof value === "object") {
          next.push(value)
        }
      }
    }
  }
  return obj
}

/**
 * **Unsafe**: This function will throw an error if an insecure property is