babel-core
Version:
Turn ES6 code into readable vanilla ES5 with source maps
18 lines (15 loc) • 424 B
JavaScript
;
/**
* A trick from Bluebird to force V8 to use fast properties for an object.
* Read more: http://stackoverflow.com/questions/24987896/
*
* Use %HasFastProperties(obj) and --allow-natives-syntax to check whether
* a particular object already has fast properties.
*/
module.exports = function toFastProperties(obj) {
/*jshint -W027*/
function f() {}
f.prototype = obj;
return f;
eval(obj);
};