node_modules/browserslist/index.js
@@ -255,11 +255,15 @@ .concat(chromeVersions.slice(iFirstEvergreen)) } var DANGEROUS_KEYS = ['__proto__', 'constructor', 'prototype'] function copyObject(obj) { var copy = {} for (var key in obj) { if (DANGEROUS_KEYS.indexOf(key) === -1) { copy[key] = obj[key] } } return copy }