Function isIterable

tfjs-data/src/util/deep_map.ts:255–268

(obj: any)

 */
// tslint:disable-next-line:no-any
export function isIterable(obj: any): boolean {
  let isTextDecoder = false;
  if (tf.env().get('IS_BROWSER')) {
    isTextDecoder = obj instanceof TextDecoder;
  } else {
    // tslint:disable-next-line:no-require-imports
    const {StringDecoder} = require('string_decoder');
    isTextDecoder = obj instanceof StringDecoder;
  }
  return obj != null && (!ArrayBuffer.isView(obj)) &&
      (Array.isArray(obj) ||
       (typeof obj === 'object' && !(obj instanceof tf.Tensor) &&
        !(obj instanceof Promise) && !isTextDecoder));
}

/**
 * Determine whether the argument can be converted to Tensor.