245 packages found
Description
ECMAScript “ToPrimitive” algorithm. Provides ES5 and ES2015 versions.
Keywords
- primitive
- abstract
- ecmascript
- es5
- es6
- es2015
- toPrimitive
- coerce
- type
- object
- string
- number
- boolean
- symbol
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Description
Returns true if a value exists, false if empty. Works with deeply nested values using object paths.
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Common error classes and utility functions
Keywords
- error
- errors
- common errors
- exception
- exceptions
- validation
- standard
- argument
- null
- database
- data
- mysql
- sql
- db
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Description
Returns true if any values exist, false if empty. Works for booleans, functions, numbers, strings, nulls, objects and arrays.
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This little utility helps in finding null, undefined etc values from objects and arrays.
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TypeScript maybe monad for reaching child fields inside complicated objects.
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'cljs-merge' recursively merges two jsons into a unified one.
Keywords
- json
- merge
- clojurescript
- clojure
- deep-merge
- deep
- replace
- compare
- null
- undefined
- combine
- object
- two objects
- javascript
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Description
Utilities to get and check variable types (isString, isPlainObject, isRegExp, etc)
Keywords
- array
- assert
- assertion
- async
- async function
- async-function
- asyncFunction
- bool
- boolean
- browser
- check
- check-type
- checking
- class
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Description
A logic Utility. Nil is: null or undefined. Make writing node easier, prettier and less error prone. Writes and reads more like prose
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Simple function that return the first non null or undefined argument
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When you need validate the variable data type
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Used to check if some of the arguments are null or undefined.
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Tools for testing against null and undefined values.
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nil (null or undefined) type
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Checks if the given value is a window object.
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Delete nested key-value pairs on an object with a provided key, or remove undefined, null, empty strings, empty arrays, and empty nested objects from an object.
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Maybe is a type with tow variantes Some and None, can have nothing (None) or some value (Some). The Maybe variable makes it possible to have a something depending on the particular value.
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Politely tells stdout and stderr to shut the heck up for a moment.
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Validation utilities
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ntnl [not null]: a tiny js library which sanitizes null / undefined values from objects by replacing them with provided values