| /* global Blob File */ |
| |
| /* |
| * Module requirements. |
| */ |
| |
| var isArray = require('isarray'); |
| |
| var toString = Object.prototype.toString; |
| var withNativeBlob = typeof Blob === 'function' || |
| typeof Blob !== 'undefined' && toString.call(Blob) === '[object BlobConstructor]'; |
| var withNativeFile = typeof File === 'function' || |
| typeof File !== 'undefined' && toString.call(File) === '[object FileConstructor]'; |
| |
| /** |
| * Module exports. |
| */ |
| |
| module.exports = hasBinary; |
| |
| /** |
| * Checks for binary data. |
| * |
| * Supports Buffer, ArrayBuffer, Blob and File. |
| * |
| * @param {Object} anything |
| * @api public |
| */ |
| |
| function hasBinary (obj) { |
| if (!obj || typeof obj !== 'object') { |
| return false; |
| } |
| |
| if (isArray(obj)) { |
| for (var i = 0, l = obj.length; i < l; i++) { |
| if (hasBinary(obj[i])) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| if ((typeof Buffer === 'function' && Buffer.isBuffer && Buffer.isBuffer(obj)) || |
| (typeof ArrayBuffer === 'function' && obj instanceof ArrayBuffer) || |
| (withNativeBlob && obj instanceof Blob) || |
| (withNativeFile && obj instanceof File) |
| ) { |
| return true; |
| } |
| |
| // see: https://github.com/Automattic/has-binary/pull/4 |
| if (obj.toJSON && typeof obj.toJSON === 'function' && arguments.length === 1) { |
| return hasBinary(obj.toJSON(), true); |
| } |
| |
| for (var key in obj) { |
| if (Object.prototype.hasOwnProperty.call(obj, key) && hasBinary(obj[key])) { |
| return true; |
| } |
| } |
| |
| return false; |
| } |