5 lines
207 B
JavaScript
5 lines
207 B
JavaScript
export default function _functionName(f) {
|
|
// String(x => x) evaluates to "x => x", so the pattern may not match.
|
|
var match = String(f).match(/^function (\w*)/);
|
|
return match == null ? '' : match[1];
|
|
} |