Common Utils

This is collection of my common utility package based on functional paradigm.

Warning

This is my personal package. So it not safe. If you want reliable functional utility package, use @fxts/core. Thank you. 😄

Methods

| method | description | |-----------------|--------------------------------------------------------------| | noop | do nothing | | negate | negate boolean | | identity | return parameter | | isExist | check parameter is not undefined or null | | isTruthy | check parameter is truthy | | isFalsy | check parameter is falsy | | isEmptyStr | check parameter is empty string | | isNonEmptyStr | check parameter is not empty string | | isEmptyArray | check parameter is empty array | | isNonEmptyArray | check parameter is not empty array | | isEmptyObj | check parameter is empty object | | isNonEmptyObj | check parameter is not empty object | | isFunction | check parameter is function | | isNumber | check parameter is valid number | | getValue | get value from parameter with default value | | converter | convert function to apply Array.sort | | infinity | get infinite iterator | | take | get n items from iterator | | slice | get items from start to end from iterator | | nth | get nth item from iterator | | first | get first item from iterator | | drop | remove n items from front in iterator | | dropRight | remove n items from back in iterator | | cat | concat iterators | | construct | construct new iterator with head item | | map | apply mapper function to each item in iterator | | flatMap | apply mapper function to each item in iterator and flatten | | interpose | insert specific value between each item in iterator | | pick | get object only include specific keys | | filter | filter items from iterator | | toArray | convert iterator into array | | reverse | reverse iterator | | reduce | make one value by iterating iterable | | forEach | apply function to each item in iterator | | some | check if any item satisfies checker condition in iterator | | every | check if all items satisfies checker condition in iterator | | find | find first item in iterator satisfies finder function |