Skip to content

add support for strings #2

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Closed
wants to merge 1 commit into from
Closed

add support for strings #2

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
11 changes: 6 additions & 5 deletions index.js
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -7,9 +7,10 @@ var isArrowFnWithParensRegex = /^\([^\)]*\) *=>/;
var isArrowFnWithoutParensRegex = /^[^=]*=>/;

module.exports = function isArrowFunction(fn) {
if (!isCallable(fn)) { return false; }
var fnStr = fnToStr.call(fn);
return fnStr.length > 0 &&
!isNonArrowFnRegex.test(fnStr) &&
(isArrowFnWithParensRegex.test(fnStr) || isArrowFnWithoutParensRegex.test(fnStr));
var type = typeof fn;
if (!isCallable(fn) && type !== 'string') { return false; }
var fnStr = type === 'string' ? fn : fnToStr.call(fn);
return fnStr.length > 0 &&
!isNonArrowFnRegex.test(fnStr) &&
(isArrowFnWithParensRegex.test(fnStr) || isArrowFnWithoutParensRegex.test(fnStr));
};
9 changes: 9 additions & 0 deletions test/index.js
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -66,3 +66,12 @@ test('returns true for arrow functions', function (t) {
}
t.end();
});

test('return true for arrow function in string', function (t) {
if (arrowFuncs.length > 0) {
t.ok(isArrowFunction('(a, b) => a * b'), 'arrow function in string');
} else {
t.skip('arrow function is arrow function - this environment does not support ES6 arrow functions. Please run `node --harmony`, or use a supporting browser.');
}
t.end();
});