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