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Edit File: is-binary.js

const withNativeArrayBuffer = typeof ArrayBuffer === "function";
const isView = (obj) => {
    return typeof ArrayBuffer.isView === "function"
        ? ArrayBuffer.isView(obj)
        : obj.buffer instanceof ArrayBuffer;
};
const toString = Object.prototype.toString;
const withNativeBlob = typeof Blob === "function" ||
    (typeof Blob !== "undefined" &&
        toString.call(Blob) === "[object BlobConstructor]");
const withNativeFile = typeof File === "function" ||
    (typeof File !== "undefined" &&
        toString.call(File) === "[object FileConstructor]");
/**
 * Returns true if obj is a Buffer, an ArrayBuffer, a Blob or a File.
 *
 * @private
 */
export function isBinary(obj) {
    return ((withNativeArrayBuffer && (obj instanceof ArrayBuffer || isView(obj))) ||
        (withNativeBlob && obj instanceof Blob) ||
        (withNativeFile && obj instanceof File));
}
export function hasBinary(obj, toJSON) {
    if (!obj || typeof obj !== "object") {
        return false;
    }
    if (Array.isArray(obj)) {
        for (let i = 0, l = obj.length; i < l; i++) {
            if (hasBinary(obj[i])) {
                return true;
            }
        }
        return false;
    }
    if (isBinary(obj)) {
        return true;
    }
    if (obj.toJSON &&
        typeof obj.toJSON === "function" &&
        arguments.length === 1) {
        return hasBinary(obj.toJSON(), true);
    }
    for (const key in obj) {
        if (Object.prototype.hasOwnProperty.call(obj, key) && hasBinary(obj[key])) {
            return true;
        }
    }
    return false;
}

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