Releases: libsugar/sugar.js
Releases · libsugar/sugar.js
2.12.0-beta.4
- Add
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guard function
guard<{ a: 1 }>({ a: 1 }) => { a: 1 }
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tuple function
tuple(1, 2, 3) => [1, 2, 3]
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Pair type
Pair<K, V> => [K, V]
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ReadonlyPair type
ReadonlyPair<K, V> => readonly [K, V]
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AnyPair type
AnyPair<K, V> => [K, V] | readonly [K, V]
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PairKey type
PairKey<[1, 2]> => 1
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PairValue type
PairKey<[1, 2]> => 2
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seq.mapKey
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seq.mapValue
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seq.arr
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2.12.0-beta.3
- Add
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OnceIter
Cache the results of the iterator
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pipe
fp style pipe function
Example
const f = pipe( (a: number, b: number) => a + b, (a: number) => a + 2, ) f(1, 2) // => 5
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seq/ops
move seq ops fromseqtoseq/ops -
seq/fp
fp style seq ops
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seq/linq
linq style seq alias
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seq.includes
same as
array.includes -
se.sum
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seq.avg
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seq.toArray
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seq.toSet
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seq.toMap
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static Seq.empty
Create empty seq
Example
Seq.empty<number>()
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static Seq.to
Create a Seq from a range starting from 0
Example
Seq.to(3) // [0, 1, 2]
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static Seq.range
Create a Seq from a range
Example
Seq.range(3, 6) // [3, 4, 5]
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seq.push
like array.push
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seq.unshift
like array.unshift
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seq.as
cast types
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seq.groupBy
linq groupBy
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seq.product
Cartesian product
Example
seq([1, 2, 3]).product(['a', 'b']) // returns [ [1, 'a'], [1, 'b'], [2, 'a'], [2, 'b'], [3, 'a'], [3, 'b'], ]
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seq.relate
sql inner join
Example
seq([1, 2, 3]).relate(['1', '2', '3'], a => a, b => +b) // returns [ [1, '1'], [2, '2'], [3, '3'], ]
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