functionalscript

FunctionalScript is a purely functional subset of JavaScript
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lambdafunctional-programmingclosurepure-functionaltypescriptprogramming-languagelazy-evaluation

@mcabreradev/filter

A powerful, SQL-like array filtering library for TypeScript and JavaScript with advanced pattern matching, MongoDB-style operators, deep object comparison, and zero dependencies
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filterarrayfilteringtypescriptjavascriptmongodboperatorsquerysearchpattern-matchingwildcardsql-likedata-filteringobject-filteringdeep-comparisonnested-objectslazy-evaluationgeospatialdatetimememoizationcachingperformancereactvuesvelteframework-integrationtype-safezero-dependenciesfunctional-programmingdata-transformationcollection-utilsarray-methodsquery-builderdata-querymongodb-querynosqljson-filterobject-queryadvanced-filteringregexcomparison-operatorslogical-operatorsstring-operatorsarray-operatorslocation-basedspatial-querytemporal-queryreact-hooksvue-composablessvelte-storesnextjsnodenodejsfrontendbackendes6

base-up

A modern TypeScript utility library.
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stdlibtype-levelfunctionalfunctional-programmingimmutablelazy-evaluationcollectionmapfiltertakedroptakeLastdropLastshufflesortjoinsplitchunkminBymaxBygroupBytoMultisetpermutationset-operationdifference-setunion-setintersection-setisDisjointtype-predicateassertion-functionassertlexicographic-orderpipemethod-chainingcurrymodulowheel-factorizationrandom-integercapitalizetoCamelCasetoSnakeCasetoKebabCasenullishinteger-rangeNonEmptyArrayNestedPropertyforever

ocsv

High-performance RFC 4180 compliant CSV parser with lazy mode for Bun. Parse 10M rows in 5s with minimal memory.
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csvparserrfc4180fastodinffibunstreaminghigh-performancelazy-evaluationzero-copylow-memory

iterkit

### Overview
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asyncgeneratorasync-generatoriteratorasync-iteratorpipelinestreamfunctionaltypescriptrxjsoperatorscomposecompositionfunctional-programmingstreamingdata-pipelineiterableasynciterablelazy-evaluationobservable-alternativereactive