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is-monotonic

1.0.0 • Public • Published 10 months ago

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is-monotonic

checks that a given sequence is strictly increasing or decreasing

Example

const { isMonotonicIncreasing, isMonotonicDecreasing } = require('is-monotonic')
 
isMonotonicIncreasing([1, 2, 3, 4]) // true
isMonotonicIncreasing([1, 3, 2, 4]) // false
 
isMonotonicDecreasing([4, 3, 2, 1]) // true
isMonotonicDecreasing([4, 2, 3, 1]) // false