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Add is.empty()

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Kodie Grantham 2017-10-05 10:33:17 -05:00
parent ee8f5d16f8
commit af2ad0c819
3 changed files with 36 additions and 0 deletions
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8
index.js
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@ -163,4 +163,12 @@ is.inRange = (x, range) => {
is.infinite = x => x === Infinity || x === -Infinity;
is.empty = value => {
return (
((is.string(value) || is.array(value)) && !value.length) ||
(!is.map(value) && !is.set(value) && is.object(value) && !Object.keys(value).length) ||
((is.map(value) || is.set(value)) && !value.size)
);
};
module.exports = is;