Use npm packages in Deno

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es-to-primitive
ECMAScript “ToPrimitive” algorithm. Provides ES5 and ES2015 versions.
primitive abstract ecmascript es5 es6 es2015 toPrimitive coerce type object string number boolean symbol
has-values
Returns true if any values exist, false if empty. Works for booleans, functions, numbers, strings, nulls, objects and arrays.
array boolean empty find function has hasOwn javascript js key keys node.js null number
has-value
Returns true if a value exists, false if empty. Works with deeply nested values using object paths.
array boolean check deep empty function has hasOwn is-empty nested null number object object path
koalas
Coalesce for JavaScript. Returns the first value that is not undefined or null.
check isnull kind koala koalas null type type-of typeof undefined util utility utils value
is-window
Checks if the given value is a window object.
is check checks detect window object type null
null-check
Ensure a path doesn't contain null bytes
built-in core ponyfill polyfill shim fs path null bytes check
graphql-sock
GraphQL Semantic Output Conversion Kit - converts a cutting edge SDL file that supports semantic nullability into a more traditional SDL file legacy tools can support.
graphql throw error errors raise exception semantic null non-null nullability only on sdl schema
ts-is-present
A library to have a generic typescript definition for object presence.
typescript filter undefined null
typechecker
Utilities to get and check variable types (isString, isPlainObject, isRegExp, etc)
array assert assertion async async function async-function asyncFunction bool boolean browser check check-type checking class
falsey
Returns true if the given is falsey (according to JavaScript) or matches a 'falsey' keyword.
args arguments array boolean check false falsey null object type undefined value
is-nil
Checks if the given value is null or undefined
check checks is nil detect value type null undefined void
coalescy
Simple function that return the first non null or undefined argument
coalesce first not null undefined utility
is-string-and-not-blank
3x as fast as `is-whitespace` and `whitespace-regex` thanks to `is-string-blank`. This package is a simple function that accepts an argument and returns `true` if it is a string AND it is not blank. Supports Node and Browser environments.
blank break browser check empty ending expression is isblank isempty line lodash not null
empty-module
Return an empty module, 'nuff said
empty null none nothing
@cdktf/provider-null
Prebuilt null Provider for Terraform CDK (cdktf)
cdk cdktf null provider terraform
common-errors
Common error classes and utility functions
error errors common errors exception exceptions validation standard argument null database data mysql sql db
just-flush
returns a copy of an array or object with null/undefined members removed
array object collection remove null undefined no-dependencies just
@stdlib/assert-is-null
Test if a value is null.
stdlib stdassert assertion assert utilities utility utils util null is isnull type check valid
validation-utils
Validation utilities
common utilities utils validation assertion validator validate assert null type nil empty
@lavadrop/ensure
Ensures value is defined (i.e., neither undefined nor null).
ensure value undefined null no-dependencies typescript lavadrop

Search npm for packages to use with Deno

es-to-primitive

has-values

has-value

koalas

is-window

null-check

graphql-sock

ts-is-present

typechecker

falsey

is-nil

coalescy

is-string-and-not-blank

empty-module

@cdktf/provider-null

common-errors

just-flush

@stdlib/assert-is-null

validation-utils

@lavadrop/ensure