Ecosyste.ms: Packages
An open API service providing package, version and dependency metadata of many open source software ecosystems and registries.
npmjs.org "instanceof" keyword
Top 2.3% on npmjs.org
135 versions - Latest release: 5 months ago - 50 dependent packages - 15,842 dependent repositories - 776 thousand downloads last month - 47 stars on GitHub - 1 maintainer
typechecker 9.3.0 π°
Utilities to get and check variable types (isString, isPlainObject, isRegExp, etc)135 versions - Latest release: 5 months ago - 50 dependent packages - 15,842 dependent repositories - 776 thousand downloads last month - 47 stars on GitHub - 1 maintainer
Top 4.5% on npmjs.org
10 versions - Latest release: almost 11 years ago - 28 dependent packages - 2,827 dependent repositories - 321 thousand downloads last month - 3 stars on GitHub - 1 maintainer
is-extended 0.0.10
Module for type detection10 versions - Latest release: almost 11 years ago - 28 dependent packages - 2,827 dependent repositories - 321 thousand downloads last month - 3 stars on GitHub - 1 maintainer
weird-instanceof 1.0.0
Call your functions using instanceof operator (drunk programming only)1 version - Latest release: over 5 years ago - 1 dependent repositories - 7 downloads last month - 1 maintainer
Top 0.8% on npmjs.org
44 versions - Latest release: 15 days ago - 480 dependent packages - 46,961 dependent repositories - 3.1 million downloads last month - 3,781 stars on GitHub - 1 maintainer
ow 2.0.0 π°
Function argument validation for humans44 versions - Latest release: 15 days ago - 480 dependent packages - 46,961 dependent repositories - 3.1 million downloads last month - 3,781 stars on GitHub - 1 maintainer
@rastopyr/ow 0.13.2 π°
Function argument validation for humans2 versions - Latest release: over 4 years ago - 2 dependent packages - 1 dependent repositories - 5 downloads last month - 3,781 stars on GitHub - 1 maintainer
Top 5.8% on npmjs.org
1 version - Latest release: over 2 years ago - 2 dependent packages - 15 dependent repositories - 53 downloads last month - 3,781 stars on GitHub - 1 maintainer
@tamagui/ow 0.28.1 π°
Function argument validation for humans1 version - Latest release: over 2 years ago - 2 dependent packages - 15 dependent repositories - 53 downloads last month - 3,781 stars on GitHub - 1 maintainer
ow--fork-by-jblew-with-catching 0.13.5 π°
Function argument validation for humans4 versions - Latest release: over 4 years ago - 4 dependent packages - 8 dependent repositories - 7 downloads last month - 3,781 stars on GitHub - 1 maintainer
Top 5.7% on npmjs.org
5 versions - Latest release: about 3 years ago - 4 dependent packages - 11 dependent repositories - 2.36 thousand downloads last month - 13 stars on GitHub - 1 maintainer
is-error-constructor 3.0.0 π°
Check if a value is an error constructor5 versions - Latest release: about 3 years ago - 4 dependent packages - 11 dependent repositories - 2.36 thousand downloads last month - 13 stars on GitHub - 1 maintainer
Top 9.5% on npmjs.org
3 versions - Latest release: over 6 years ago - 2 dependent packages - 7 dependent repositories - 721 downloads last month - 2 stars on GitHub - 1 maintainer
graceful-instanceof 1.0.1
The instanceof mechanism cross package/module versions.3 versions - Latest release: over 6 years ago - 2 dependent packages - 7 dependent repositories - 721 downloads last month - 2 stars on GitHub - 1 maintainer
Top 3.0% on npmjs.org
1 version - Latest release: over 6 years ago - 2 dependent packages - 193 dependent repositories - 1.51 thousand downloads last month - 1,615 stars on GitHub - 1 maintainer
@marionebl/is 0.5.1-0 π°
Type check values: `is.string('π¦') //=> true`1 version - Latest release: over 6 years ago - 2 dependent packages - 193 dependent repositories - 1.51 thousand downloads last month - 1,615 stars on GitHub - 1 maintainer
Top 0.9% on npmjs.org
55 versions - Latest release: 4 days ago - 336 dependent packages - 1,059,702 dependent repositories - 70.1 million downloads last month - 1,615 stars on GitHub - 1 maintainer
@sindresorhus/is 6.3.1 π°
Type check values55 versions - Latest release: 4 days ago - 336 dependent packages - 1,059,702 dependent repositories - 70.1 million downloads last month - 1,615 stars on GitHub - 1 maintainer
Top 3.8% on npmjs.org
9 versions - Latest release: about 4 years ago - 20 dependent packages - 1,922 dependent repositories - 1.06 million downloads last month - 10 stars on GitHub - 1 maintainer
custom-error-instance 2.1.2
Create custom JavaScript errors that also match instanceof.9 versions - Latest release: about 4 years ago - 20 dependent packages - 1,922 dependent repositories - 1.06 million downloads last month - 10 stars on GitHub - 1 maintainer
Top 3.5% on npmjs.org
33 versions - Latest release: over 6 years ago - 26 dependent packages - 7,778 dependent repositories - 6.18 thousand downloads last month - 25 stars on GitHub - 1 maintainer
eslint-plugin-mysticatea 4.2.4 π°
Additional ESLint rules.33 versions - Latest release: over 6 years ago - 26 dependent packages - 7,778 dependent repositories - 6.18 thousand downloads last month - 25 stars on GitHub - 1 maintainer
@lceihen/mysql-utils 15.0.0
@lceihen/mysql-utils23 versions - Latest release: 2 months ago - 48 downloads last month - 0 stars on GitHub - 1 maintainer
typend 1.1.3
Runtime validation for TypeScript7 versions - Latest release: about 1 year ago - 3 dependent packages - 4 dependent repositories - 38 downloads last month - 1 stars on GitHub - 2 maintainers
Top 2.8% on npmjs.org
9 versions - Latest release: about 6 years ago - 96 dependent packages - 63,267 dependent repositories - 999 thousand downloads last month - 17 stars on GitHub - 8 maintainers
class-is 1.1.0
Enhances a JavaScript class by adding an is<Class> property to compare types between realms.9 versions - Latest release: about 6 years ago - 96 dependent packages - 63,267 dependent repositories - 999 thousand downloads last month - 17 stars on GitHub - 8 maintainers
Top 8.5% on npmjs.org
1 version - Latest release: over 4 years ago - 3 dependent packages - 23 dependent repositories - 9.64 thousand downloads last month - 0 stars on GitHub - 1 maintainer
zoology 1.0.0
Lightweight library for determining types of variables based on battle-tested implementation from...1 version - Latest release: over 4 years ago - 3 dependent packages - 23 dependent repositories - 9.64 thousand downloads last month - 0 stars on GitHub - 1 maintainer
@actualwave/is-function 0.0.1
Is value a function check1 version - Latest release: almost 6 years ago - 5 dependent packages - 4 dependent repositories - 8 downloads last month - 1 maintainer
@aboutweb/proxyclass 2.0.6
A seemless way for organizing multi inheritance.5 versions - Latest release: over 5 years ago - 3 dependent packages - 1 dependent repositories - 11 downloads last month - 0 stars on GitHub - 1 maintainer
Top 9.0% on npmjs.org
5 versions - Latest release: 7 months ago - 7 dependent packages - 1 dependent repositories - 210 downloads last month - 5 stars on GitHub - 4 maintainers
@3mo/instanceof-attribute-controller 0.1.4
A controller that writes extended classes' tag names into the "instanceof" attribute.5 versions - Latest release: 7 months ago - 7 dependent packages - 1 dependent repositories - 210 downloads last month - 5 stars on GitHub - 4 maintainers
@codexsoft/function-implements-interface 1.0.5
Allows runtime-check that object implements an interface (missing functionality in TypeScript)6 versions - Latest release: over 4 years ago - 1 dependent package - 1 dependent repositories - 14 downloads last month - 0 stars on GitHub - 1 maintainer
Top 2.0% on npmjs.org
20 versions - Latest release: over 4 years ago - 41 dependent packages - 277 dependent repositories - 59.6 thousand downloads last month - 227 stars on GitHub - 1 maintainer
typy 3.3.0
Minimal JavaScript type checking library20 versions - Latest release: over 4 years ago - 41 dependent packages - 277 dependent repositories - 59.6 thousand downloads last month - 227 stars on GitHub - 1 maintainer
Top 6.3% on npmjs.org
8 versions - Latest release: over 3 years ago - 5 dependent packages - 15 dependent repositories - 198 downloads last month - 6 stars on GitHub - 1 maintainer
value 0.4.0
Convenient type-checking in JavaScript8 versions - Latest release: over 3 years ago - 5 dependent packages - 15 dependent repositories - 198 downloads last month - 6 stars on GitHub - 1 maintainer
Top 7.0% on npmjs.org
19 versions - Latest release: over 3 years ago - 12 dependent packages - 211 dependent repositories - 24.5 thousand downloads last month - 0 stars on GitHub - 1 maintainer
of-type 3.0.4
Check if the given value is of the particular type or types.19 versions - Latest release: over 3 years ago - 12 dependent packages - 211 dependent repositories - 24.5 thousand downloads last month - 0 stars on GitHub - 1 maintainer
weitypeprod 1.1.1
Check JS data type4 versions - Latest release: over 1 year ago - 3 downloads last month - 1 maintainer
Top 7.4% on npmjs.org
36 versions - Latest release: almost 10 years ago - 4 dependent packages - 12 dependent repositories - 144 downloads last month - 8 stars on GitHub - 1 maintainer
node-class 0.3.12
Javascript Class system (Object oriented). Support Interfaces, Classes, Extends/Implements.36 versions - Latest release: almost 10 years ago - 4 dependent packages - 12 dependent repositories - 144 downloads last month - 8 stars on GitHub - 1 maintainer
Top 5.3% on npmjs.org
12 versions - Latest release: 3 months ago - 26 dependent packages - 723 dependent repositories - 2.74 million downloads last month - 2 stars on GitHub - 4 maintainers
@stdlib/utils-constructor-name 0.2.1 π°
Determine the name of a value's constructor.12 versions - Latest release: 3 months ago - 26 dependent packages - 723 dependent repositories - 2.74 million downloads last month - 2 stars on GitHub - 4 maintainers
Top 5.6% on npmjs.org
11 versions - Latest release: 3 months ago - 31 dependent packages - 891 dependent repositories - 2.73 million downloads last month - 1 stars on GitHub - 4 maintainers
@stdlib/assert-is-regexp 0.2.1 π°
Test if a value is a regular expression.11 versions - Latest release: 3 months ago - 31 dependent packages - 891 dependent repositories - 2.73 million downloads last month - 1 stars on GitHub - 4 maintainers
Top 6.5% on npmjs.org
5 versions - Latest release: over 2 years ago - 48 dependent packages - 92 dependent repositories - 1.75 thousand downloads last month - 2 stars on GitHub - 1 maintainer
@brettz9/eslint-plugin 1.0.4 π°
Additional ESLint rules.5 versions - Latest release: over 2 years ago - 48 dependent packages - 92 dependent repositories - 1.75 thousand downloads last month - 2 stars on GitHub - 1 maintainer
Top 6.6% on npmjs.org
10 versions - Latest release: 7 months ago - 13 dependent packages - 19 dependent repositories - 67.8 thousand downloads last month - 4 stars on GitHub - 1 maintainer
is-error-instance 3.0.0
Check if a value is an `Error` instance10 versions - Latest release: 7 months ago - 13 dependent packages - 19 dependent repositories - 67.8 thousand downloads last month - 4 stars on GitHub - 1 maintainer
Top 6.0% on npmjs.org
5 versions - Latest release: over 5 years ago - 11 dependent packages - 20 dependent repositories - 3.6 thousand downloads last month - 4 stars on GitHub - 1 maintainer
precise-typeof 2.0.1
Better 'typeof'. Detects real type of the objects like 'Array()', 'new Number(1)', 'new Boolean(t...5 versions - Latest release: over 5 years ago - 11 dependent packages - 20 dependent repositories - 3.6 thousand downloads last month - 4 stars on GitHub - 1 maintainer
Top 5.7% on npmjs.org
12 versions - Latest release: 3 months ago - 51 dependent packages - 49 dependent repositories - 56.4 thousand downloads last month - 2 stars on GitHub - 4 maintainers
@stdlib/assert-instance-of 0.2.1 π°
Test whether a value has in its prototype chain a specified constructor as a prototype property.12 versions - Latest release: 3 months ago - 51 dependent packages - 49 dependent repositories - 56.4 thousand downloads last month - 2 stars on GitHub - 4 maintainers
Top 9.6% on npmjs.org
37 versions - Latest release: almost 7 years ago - 31 dependent packages - 121 dependent repositories - 391 downloads last month - 0 stars on GitHub - 1 maintainer
clazof 0.36.0
Functional instanceof.37 versions - Latest release: almost 7 years ago - 31 dependent packages - 121 dependent repositories - 391 downloads last month - 0 stars on GitHub - 1 maintainer
objct 2.0.6
A fast, modular oop-inheritance library for javascript. Minimal basics combined with powerful dec...4 versions - Latest release: almost 9 years ago - 4 dependent packages - 2 dependent repositories - 67 downloads last month - 4 stars on GitHub - 1 maintainer
get-object-type 0.0.2
get the type of a javascript object.2 versions - Latest release: over 8 years ago - 6 dependent packages - 9 dependent repositories - 12 downloads last month - 3 stars on GitHub - 1 maintainer
Top 9.7% on npmjs.org
6 versions - Latest release: 7 months ago - 3 dependent packages - 1 dependent repositories - 271 downloads last month - 5 stars on GitHub - 1 maintainer
modern-errors-switch 4.0.0
`modern-errors` plugin to execute class-specific logic6 versions - Latest release: 7 months ago - 3 dependent packages - 1 dependent repositories - 271 downloads last month - 5 stars on GitHub - 1 maintainer
Top 4.9% on npmjs.org
11 versions - Latest release: about 7 years ago - 14 dependent packages - 273 dependent repositories - 1.66 thousand downloads last month - 18 stars on GitHub - 1 maintainer
error-subclass 2.2.0
Extendable Error Class11 versions - Latest release: about 7 years ago - 14 dependent packages - 273 dependent repositories - 1.66 thousand downloads last month - 18 stars on GitHub - 1 maintainer
nahoc-eslint 0.0.2
Additional ESLint rules.2 versions - Latest release: 6 months ago - 7 downloads last month - 0 stars on GitHub - 1 maintainer
Top 6.1% on npmjs.org
2 versions - Latest release: over 8 years ago - 14 dependent packages - 54 dependent repositories - 23.4 thousand downloads last month - 1 stars on GitHub - 1 maintainer
define-error 1.1.0
Define errors without frills, but with stack traces and instanceof support.2 versions - Latest release: over 8 years ago - 14 dependent packages - 54 dependent repositories - 23.4 thousand downloads last month - 1 stars on GitHub - 1 maintainer
eslint-plugin-nahoc 0.0.3
Additional ESLint rules.1 version - Latest release: 6 months ago - 5 downloads last month - 0 stars on GitHub - 1 maintainer
embryo 0.1.6
The most simple, customizable and easy to use JavaScript standard inheritance library13 versions - Latest release: about 3 years ago - 1 dependent package - 1 dependent repositories - 40 downloads last month - 12 stars on GitHub - 1 maintainer
locore 0.0.0
locore is a Standard library. the library with basic JavaScript methods to improve development ef...2 versions - Latest release: 2 months ago - 29 downloads last month - 0 stars on GitHub - 1 maintainer
typeof-items 1.0.1
Validate the type of array's items.2 versions - Latest release: almost 4 years ago - 1 dependent package - 1 dependent repositories - 5 downloads last month - 0 stars on GitHub - 1 maintainer
Top 6.2% on npmjs.org
8 versions - Latest release: over 1 year ago - 76 dependent packages - 112 dependent repositories - 1.25 thousand downloads last month - 2 stars on GitHub - 2 maintainers
@slimio/is 2.0.0
SlimIO is (JavaScript Primitives & Objects type checker)8 versions - Latest release: over 1 year ago - 76 dependent packages - 112 dependent repositories - 1.25 thousand downloads last month - 2 stars on GitHub - 2 maintainers
what-type-is-it 1.0.2
See what type or instance something is3 versions - Latest release: almost 2 years ago - 7 downloads last month - 0 stars on GitHub - 1 maintainer
omniverse 1.5.0
omniverse22 versions - Latest release: over 5 years ago - 1 dependent package - 1 dependent repositories - 9 downloads last month - 0 stars on GitHub - 1 maintainer
type-asserter 1.0.0
Make assertions and perform checks for types and literal values1 version - Latest release: almost 2 years ago - 1 dependent package - 7 downloads last month - 0 stars on GitHub - 1 maintainer
instance-of 1.1.0
Use Instance Of by type name6 versions - Latest release: over 4 years ago - 5 dependent packages - 9 dependent repositories - 28 downloads last month - 0 stars on GitHub - 1 maintainer
Top 9.6% on npmjs.org
1 version - Latest release: over 10 years ago - 7 dependent packages - 14 dependent repositories - 681 downloads last month - 1 stars on GitHub - 1 maintainer
marked_types 0.0.1
Fix for instanceof issues.1 version - Latest release: over 10 years ago - 7 dependent packages - 14 dependent repositories - 681 downloads last month - 1 stars on GitHub - 1 maintainer
Top 5.2% on npmjs.org
3 versions - Latest release: over 4 years ago - 22 dependent packages - 165 dependent repositories - 11.5 thousand downloads last month - 2 stars on GitHub - 1 maintainer
is-instance-of 1.0.2
Like instanceof, but uses class name strings.3 versions - Latest release: over 4 years ago - 22 dependent packages - 165 dependent repositories - 11.5 thousand downloads last month - 2 stars on GitHub - 1 maintainer
fn-type 1.3.0
Get the type of something. Seriously.3 versions - Latest release: about 8 years ago - 3 dependent packages - 1 dependent repositories - 14 downloads last month - 3 stars on GitHub - 1 maintainer
Top 7.0% on npmjs.org
4 versions - Latest release: almost 3 years ago - 10 dependent packages - 18 dependent repositories - 1.28 thousand downloads last month - 6 stars on GitHub - 1 maintainer
is-any-type 0.0.4
is-any-type simple functionality alternative to check data type references such as typeof and ins...4 versions - Latest release: almost 3 years ago - 10 dependent packages - 18 dependent repositories - 1.28 thousand downloads last month - 6 stars on GitHub - 1 maintainer
@philipp122/type 1.1.1
Better Type Checking4 versions - Latest release: almost 4 years ago - 1 dependent package - 6 downloads last month - 0 stars on GitHub - 1 maintainer
@svenpiller/eslint-plugin 0.0.1
Additional ESLint rules.1 version - Latest release: almost 6 years ago - 1 dependent package - 1 dependent repositories - 3 downloads last month - 0 stars on GitHub - 1 maintainer
@konfirm/is-type 1.0.9
Simple Object type/name checks10 versions - Latest release: over 3 years ago - 3 dependent packages - 2 dependent repositories - 16 downloads last month - 0 stars on GitHub - 1 maintainer
@ksplat/istype 1.0.0
Simple library to check for many types.1 version - Latest release: about 3 years ago - 1 dependent package - 4 downloads last month - 0 stars on GitHub - 1 maintainer
interface-prototype 1.1.1
interface-prototype3 versions - Latest release: over 6 years ago - 5 dependent packages - 1 dependent repositories - 10 downloads last month - 1 stars on GitHub - 1 maintainer
instance-of-name 0.1.1
Checks the prototypical chain of an object and compares each constructor's name against the value.2 versions - Latest release: almost 8 years ago - 2 dependent packages - 1 dependent repositories - 8 downloads last month - 0 stars on GitHub - 1 maintainer
Top 8.2% on npmjs.org
2 versions - Latest release: over 5 years ago - 2 dependent packages - 1 dependent repositories - 8 downloads last month - 45 stars on GitHub - 1 maintainer
ngx-ow 0.2.0
Angular form validation on steroids2 versions - Latest release: over 5 years ago - 2 dependent packages - 1 dependent repositories - 8 downloads last month - 45 stars on GitHub - 1 maintainer
@konfirm/type 1.0.9
Variable type comparison10 versions - Latest release: over 3 years ago - 2 dependent packages - 1 dependent repositories - 71 downloads last month - 0 stars on GitHub - 1 maintainer
Top 7.5% on npmjs.org
6 versions - Latest release: about 9 years ago - 3 dependent packages - 8 dependent repositories - 586 downloads last month - 4 stars on GitHub - 1 maintainer
subclass-error 0.1.1
Workaround for subclassing errors. Both instanceof and stack are functional.6 versions - Latest release: about 9 years ago - 3 dependent packages - 8 dependent repositories - 586 downloads last month - 4 stars on GitHub - 1 maintainer
Top 7.2% on npmjs.org
17 versions - Latest release: 3 months ago - 88 dependent packages - 88 dependent repositories - 61.7 thousand downloads last month - 2 stars on GitHub - 4 maintainers
@stdlib/utils-inherit 0.2.1 π°
Implement prototypical inheritance by replacing the prototype of one constructor with the prototy...17 versions - Latest release: 3 months ago - 88 dependent packages - 88 dependent repositories - 61.7 thousand downloads last month - 2 stars on GitHub - 4 maintainers
@stdlib/assert-is-prototype-of 0.2.1 π°
Test if an object's prototype chain contains a provided prototype.11 versions - Latest release: 3 months ago - 2 dependent packages - 1 dependent repositories - 86 downloads last month - 1 stars on GitHub - 4 maintainers
Top 3.3% on npmjs.org
18 versions - Latest release: over 4 years ago - 171 dependent packages - 16,075 dependent repositories - 6.03 thousand downloads last month - 25 stars on GitHub - 1 maintainer
@mysticatea/eslint-plugin 13.0.0 π°
Additional ESLint rules.18 versions - Latest release: over 4 years ago - 171 dependent packages - 16,075 dependent repositories - 6.03 thousand downloads last month - 25 stars on GitHub - 1 maintainer
json-value-type 1.0.0
JSON type of a value1 version - Latest release: over 7 years ago - 3 dependent packages - 1 dependent repositories - 6 downloads last month - 0 stars on GitHub - 1 maintainer
@lceihen/demo-utils 14.0.0
@lceihen/demo-utils1 version - Latest release: 5 months ago - 4 downloads last month - 0 stars on GitHub - 1 maintainer
@common.js/test_sindresorhus-is 5.3.0 removed
Type check values1 version - Latest release: over 1 year ago - 1 dependent package - 0 downloads last month - 0 stars on GitHub
@potentii/type-utils 1.0.1
Type utilities2 versions - Latest release: over 2 years ago - 2 dependent packages - 1 dependent repositories - 6 downloads last month - 0 stars on GitHub - 1 maintainer
@jesdavpet/wtf 1.1.0
Utility library simplifying type detection and comparison.2 versions - Latest release: over 7 years ago - 2 dependent packages - 1 dependent repositories - 4 downloads last month - 1 stars on GitHub - 1 maintainer
epyt 0.0.2
Type creation, validation, and comparison for Javascript1 version - Latest release: about 9 years ago - 1 dependent package - 1 dependent repositories - 17 downloads last month - 1 maintainer
type-type 0.0.0
Type creation, validation, and comparison for Javascript1 version - Latest release: about 9 years ago - 1 dependent package - 1 dependent repositories - 4 downloads last month - 1 maintainer
typeof-in 3.2.3
compare the type of your value with one or several types72 versions - Latest release: over 8 years ago - 1 dependent repositories - 160 downloads last month - 1 stars on GitHub - 1 maintainer
instanceof 1.0.6
JavaScript all types detection module (crossbrowser)6 versions - Latest release: over 7 years ago - 2 dependent packages - 1 dependent repositories - 16 downloads last month - 0 stars on GitHub - 1 maintainer
Top 7.9% on npmjs.org
7 versions - Latest release: 10 months ago - 3 dependent packages - 16 dependent repositories - 6.72 thousand downloads last month - 0 stars on GitHub - 1 maintainer
@esm2cjs/is 5.6.0 π°
Type check values. This is a fork of sindresorhus/is, but with CommonJS support.7 versions - Latest release: 10 months ago - 3 dependent packages - 16 dependent repositories - 6.72 thousand downloads last month - 0 stars on GitHub - 1 maintainer
fn-typeof 1.1.0
Get the type of something. Seriously.2 versions - Latest release: over 8 years ago - 5 dependent packages - 2 dependent repositories - 62 downloads last month - 3 stars on GitHub - 1 maintainer
jest-isa 0.0.5 π°
5 versions - Latest release: over 3 years ago - 10 dependent packages - 13 dependent repositories - 10 downloads last month - 0 stars on GitHub - 1 maintainer@vsadx/overloads 1.0.0
Create typed overloads for functions1 version - Latest release: over 2 years ago - 1 dependent package - 3 downloads last month - 1 stars on GitHub - 1 maintainer
ow-lite-ts 1.0.2 π°
Lightweight replacement for the ow validation library meant for browser usage.3 versions - Latest release: over 5 years ago - 2 dependent packages - 1 dependent repositories - 4 downloads last month - 3 stars on GitHub - 1 maintainer
typeof-object 1.1.0
All values in JavaScript are objects. `typeofObject` gets a value's object type, including custom...2 versions - Latest release: about 7 years ago - 1 dependent repositories - 4 downloads last month - 0 stars on GitHub - 1 maintainer
x-is 1.1.0
collection of all 'x-is-...' to test types of values2 versions - Latest release: over 7 years ago - 1 dependent repositories - 15 downloads last month - 0 stars on GitHub - 1 maintainer
Top 3.3% on npmjs.org
27 versions - Latest release: 5 months ago - 55 dependent packages - 2,634 dependent repositories - 2.07 million downloads last month - 17 stars on GitHub - 1 maintainer
is-lite 1.2.1
A tiny javascript type testing tool27 versions - Latest release: 5 months ago - 55 dependent packages - 2,634 dependent repositories - 2.07 million downloads last month - 17 stars on GitHub - 1 maintainer
Top 8.9% on npmjs.org
7 versions - Latest release: over 4 years ago - 5 dependent packages - 1 dependent repositories - 38 downloads last month - 2 maintainers
@eveble/matchist 1.3.0
Pattern matcher for matching the types and structure of variables7 versions - Latest release: over 4 years ago - 5 dependent packages - 1 dependent repositories - 38 downloads last month - 2 maintainers
@leonzalion/ow 0.28.3 π°
Function argument validation for humans2 versions - Latest release: about 2 years ago - 1 dependent package - 2 downloads last month - 2 maintainers
@wessberg/typedetector 1.0.6
A class that holds a set of predicate methods that detects the native type of the input.7 versions - Latest release: almost 7 years ago - 5 dependent packages - 1 dependent repositories - 18 downloads last month - 1 maintainer
Top 8.3% on npmjs.org
2 versions - Latest release: over 7 years ago - 3 dependent packages - 129 dependent repositories - 4.57 thousand downloads last month - 0 stars on GitHub - 1 maintainer
extendo-error 1.0.1
Safely and simply extend native Error with prototype chaining support2 versions - Latest release: over 7 years ago - 3 dependent packages - 129 dependent repositories - 4.57 thousand downloads last month - 0 stars on GitHub - 1 maintainer
instance_of 0.1.1
ECMAScript instanceof operator2 versions - Latest release: over 7 years ago - 1 dependent package - 3 downloads last month - 0 stars on GitHub - 1 maintainer
is-generator-es6 1.0.9
Test if your value is a ES6:Generator or ES6:GeneratorFunction10 versions - Latest release: over 8 years ago - 1 dependent package - 1 dependent repositories - 4 downloads last month - 0 stars on GitHub - 1 maintainer
@typeforce/is-instance-of 1.0.2
Determine if a value is an instance of a type3 versions - Latest release: over 6 years ago - 1 dependent package - 1 dependent repositories - 6 downloads last month - 1 maintainer
es7-checktypes-decorator 0.2.1
An es7 decorator used to validate class and methods arguments.6 versions - Latest release: almost 7 years ago - 2 dependent packages - 1 dependent repositories - 14 downloads last month - 1 stars on GitHub - 1 maintainer
vyper 0.0.2
Type creation, validation, and comparison for Javascript2 versions - Latest release: about 9 years ago - 1 dependent repositories - 17 downloads last month - 1 maintainer
@suchipi/is 1.0.0
Functions for testing the types of JS values1 version - Latest release: over 1 year ago - 1 dependent package - 2 downloads last month - 1 maintainer
@wareset-utilites/typed 0.4.0
WIP: Checking and comparing with the prototype11 versions - Latest release: over 2 years ago - 5 dependent packages - 1 dependent repositories - 2 downloads last month - 0 stars on GitHub - 1 maintainer
factory-knows 0.1.2
An instanceof alternative for non class based, factory oriented, programming.3 versions - Latest release: about 5 years ago - 1 dependent package - 1 dependent repositories - 4 downloads last month - 1 maintainer
instanceof-by-symbol 1.1.0
Use a Symbol from the registry to identify instances across realms or module versions2 versions - Latest release: over 4 years ago - 1 dependent package - 1 dependent repositories - 5 downloads last month - 0 stars on GitHub - 1 maintainer
Top 9.2% on npmjs.org
10 versions - Latest release: almost 4 years ago - 3 dependent packages - 134 dependent repositories - 5.01 thousand downloads last month - 0 stars on GitHub - 1 maintainer
typeof-properties 3.1.3
Validate the type of object's properties.10 versions - Latest release: almost 4 years ago - 3 dependent packages - 134 dependent repositories - 5.01 thousand downloads last month - 0 stars on GitHub - 1 maintainer
cky_utils_lib 1.1.2
εη«―ε·₯ε ·εΊιε, ε·₯δ½δΈε‘εΆδ½, ζι«ηΌη θ½ε, δΈε‘εΌεζη4 versions - Latest release: over 3 years ago - 1 dependent package - 8 downloads last month - 1 maintainer
@mironal/validate-ts 1.0.0 π°
The object validator for TypeScript.1 version - Latest release: almost 6 years ago - 1 dependent package - 1 dependent repositories - 10 downloads last month - 1 stars on GitHub - 1 maintainer
mixomatic 5.0.0 π°
Create mixins which work with instanceof (friendly for unit tests).19 versions - Latest release: over 1 year ago - 2 dependent packages - 1 dependent repositories - 23 downloads last month - 23 stars on GitHub - 1 maintainer
throwable 1.0.3
Inherit from Error without performance penalties, instanceof behaves as expected and the error st...4 versions - Latest release: about 9 years ago - 1 dependent package - 2 dependent repositories - 25 downloads last month - 5 stars on GitHub - 1 maintainer
object-utils-js 1.1.1
A collection of utilities dealing with object5 versions - Latest release: over 2 years ago - 1 dependent package - 6 downloads last month - 0 stars on GitHub - 1 maintainer
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4
string
4
decorator
4
isString
4
typeguards
4
isNumber
4
mixin
4
parent
4
regexp
4
proto
4
classes
3
isObject
3
stdassert
3
object-oriented
3
runtime
3
isWeakMap
3
testing
3
assertions
3
stack
3
new
3
type-of
3
implements
3
regex
3
of
3
regular expression
3
ts
3
isMap
3
undefined
3
method
3
isFunction
2
Type
2
Type.is
2
Type.kind
2
isregex
2
throttle
2
debounce
2
is-class
2
plain-object
2