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278 packages found

ECMAScript “ToPrimitive” algorithm. Provides ES5 and ES2015 versions.

published version 1.3.0, 4 months ago1369 dependents licensed under $MIT
146,139,020

Undefined safe way of extracting object properties

published version 2.0.5, 3 years ago121 dependents licensed under $MIT
28,395,383

Coalesce for JavaScript. Returns the first value that is not undefined or null.

published version 1.0.2, 8 years ago23 dependents licensed under $MIT
13,426,244

return the first argument that is `!== undefined`

published version 1.0.1, 2 years ago404 dependents licensed under $MIT
15,137,074

Safe Window Getters

published version 1.0.1, 2 years ago28 dependents licensed under $MIT
1,995,322

A library to have a generic typescript definition for object presence.

published version 1.2.2, 4 years ago53 dependents licensed under $MIT
1,119,262

Utilities to get and check variable types (isString, isPlainObject, isRegExp, etc)

published version 9.3.0, a year ago35 dependents licensed under $Artistic-2.0
899,482

Simple function that return the first non null or undefined argument

published version 1.0.0, 10 years ago11 dependents licensed under $MIT
666,690

Checks if the given value is null or undefined

published version 1.0.1, 9 years ago44 dependents licensed under $MIT
729,485

Returns true if the given is falsey (according to JavaScript) or matches a 'falsey' keyword.

published version 1.0.0, 7 years ago53 dependents licensed under $MIT
570,422

Check if a value is undefined or not.

published version 1.0.12, a month ago28 dependents licensed under $MIT
195,597

A simple module that works exactly as Object.assign, but skips assigning undefined values.

published version 1.0.2, 8 years ago1 dependents licensed under $MIT
104,794

TypeScript recursive conversion between optional (partial) and undefined properties.

published version 1.0.2, a year ago0 dependents licensed under $MIT
116,618

A small safe accessor that uses reduce to prevent 'Cannot read property of undefined' errors

published version 1.0.6, 8 years ago2 dependents licensed under $ISC
33,090

returns a copy of an array or object with null/undefined members removed

published version 2.3.0, 2 years ago8 dependents licensed under $MIT
31,049

Validates if a value is undefined or null.

published version 1.0.0, 10 years ago1 dependents licensed under $MIT
22,854

Nullish checker

published version 0.2.0, 5 months ago57 dependents licensed under $MIT
19,582

Validates if a value is undefined.

published version 1.0.3, 10 years ago3 dependents
19,445

Safe Window Getters

published version 1.0.1, 4 years ago6 dependents licensed under $MIT
18,083

Next JavaScript Object Notation

published version 0.4.0, 4 months ago9 dependents licensed under $MIT
10,976