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description:
when using _.sumBy on an array of objects with boolean values, the result is a boolean when the array contains only one item
_.sumBy
reproduction
run this code on https://playcode.io/lodash:
import _ from 'lodash'; const result = _.sumBy([{ bool: true }], 'bool'); console.log(_.VERSION); // 4.17.21 console.log(result); // expected: 1, actual: true console.log(typeof result); // expected: 'number', actual: 'boolean console.log(result === true); // expected: false, actual: true console.log(result === 1); // expected: true, actual: false
expected behaviour lodash should coerce boolean values to numbers (true → 1, false → 0) consistently, even for single-item arrays.
notes for quick fix replace
_.sumBy([{ bool: true }], 'bool')
with
_.filter([{ bool: true }], item => item.bool).length
The text was updated successfully, but these errors were encountered:
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description:
when using
_.sumByon an array of objects with boolean values, the result is a boolean when the array contains only one itemreproduction
run this code on https://playcode.io/lodash:
expected behaviour
lodash should coerce boolean values to numbers (true → 1, false → 0) consistently, even for single-item arrays.
notes
for quick fix replace
_.sumBy([{ bool: true }], 'bool')with
_.filter([{ bool: true }], item => item.bool).lengthThe text was updated successfully, but these errors were encountered: