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fn-name
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Get the name of a named function
github.com/sindresorhus/fn-name
sindresorhus/fn-name
fn-name
/
index.js
8 lines
(6 loc)
•
254 B
JavaScript
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export
default
function
functionName
(
function_
)
{
if
(typeof function_ !==
'function'
) {
throw
new
TypeError
(
'Expected a function'
); }
return
function_.displayName || function_.name || (/
function
(
[^(
]+
)?\(
/.exec(
function_.toString(
)
) || []
)[
1
]; }