in packages/metro-transform-plugins/src/constant-folding-plugin.js [127:148]
exit(path) {
const node = path.node;
const result = evaluate(path.get('left'));
if (result.confident) {
const value = result.value;
switch (node.operator) {
case '||':
path.replaceWith(value ? node.left : node.right);
break;
case '&&':
path.replaceWith(value ? node.right : node.left);
break;
case '??':
path.replaceWith(value == null ? node.right : node.left);
break;
}
}
},