lodash `isEmpty` returns true for numbers

lodash-isArray-isObject.html

<h2>isObject returns true for arrays?!?!?</h2>

<p id=o></p>
<script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.21/lodash.min.js" integrity="sha512-WFN04846sdKMIP5LKNphMaWzU7YpMyCU245etK3g/2ARYbPK9Ub18eG+ljU96qKRCWh+quCY7yefSmlkQw1ANQ==" crossorigin="anonymous" referrerpolicy="no-referrer"></script>
<script>
const tests = [{}, [], "z", 1];
o.innerHTML = tests.map(a => `${JSON.stringify(a)}, isArray=${_.isArray(a)}, isObject=${_.isObject(a)}`).join`<br><br>`;
/* Yields:
{}, isArray=false, isObject=true

[], isArray=true, isObject=true

"z", isArray=false, isObject=false

1, isArray=false, isObject=false
*/
</script>

lodash-isEmpty.html

<p id=o></p>
<script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.21/lodash.min.js" integrity="sha512-WFN04846sdKMIP5LKNphMaWzU7YpMyCU245etK3g/2ARYbPK9Ub18eG+ljU96qKRCWh+quCY7yefSmlkQw1ANQ==" crossorigin="anonymous" referrerpolicy="no-referrer"></script>
<script>
const { isNil, isNumber, isEmpty } = _;
const isEmptyStr = s => isNil(s) || (!isNumber(s) && isEmpty(s.trim()));
o.innerHTML = [
0,
1,
123,
"",
" ",
"   ",
"asdf",
"1234"
].map(a => `<div>isEmptyStr(${a}) = ${isEmptyStr(a)}</div>`).join``;
 
/* Yields:
isEmptyStr(0) = false
isEmptyStr(1) = false
isEmptyStr(123) = false
isEmptyStr() = true
isEmptyStr( ) = true
isEmptyStr( ) = true
isEmptyStr(asdf) = false
isEmptyStr(1234) = false
*/
</script>