icodeforlove/task.js

module.exports = function functionToObjectURL (func) {
    var blob,
        stringFunc = func.toString();

    stringFunc = stringFunc.substring(stringFunc.indexOf('{') + 1, stringFunc.lastIndexOf('}'))

    try {
        blob = new Blob([stringFunc], { 'type' : 'text/javascript' });
    } catch (error) { // Backwards-compatibility
        window.BlobBuilder = window.BlobBuilder || window.WebKitBlobBuilder || window.MozBlobBuilder;
        blob = new BlobBuilder();
        blob.append(stringFunc);
        blob = blob.getBlob();
    }

    return (window.URL || window.webkitURL).createObjectURL(blob);
};