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theKashey/memoize-state-1-simple

Last active March 2, 2018 06:49
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memoize-state cases
Raw
memoize-state-1-simple
const addAandB = memoize( (a,b) => a + b );
addAandB(1,1)// refresh
addAandB(1,1)// memoized
addAandB(1,2)// refresh
Raw
memoize-state-2-filter
const filterData = memoize( data => data.filter(item => item.selected) )
filterData([{selected:true, value:1}, {selected: false, value: 2}]) // refresh
filterData([{selected:true, value:1}, {selected: false, value: 2}]) // memoized
filterData([{selected:true, value:1}, {selected: false, value: 3}]) // memoized!!
filterData([{selected:true, value:2}, {selected: false, value: 2}]) // refresh
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