conditional spread2020. 10. 8.
const cond = false;
const arr = [
...(cond ? ['a'] : []),
'b',
];
// ['b']const cond = false;
const arr = [
...(cond ? ['a'] : []),
'b',
];
// ['b']const cond = false;
const arr = [
...(cond ? ['a'] : []),
'b',
];
// ['b']const cond = false;
const arr = [
...(cond ? ['a'] : []),
'b',
];
// ['b']