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110 packages found
Test if an object's prototype chain contains a provided prototype.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- prototype
- proto
- inherit
- inherits
- class
- oop
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Function argument validation for humans
- type
- types
- check
- checking
- guard
- guards
- assert
- assertion
- predicate
- predicates
- is
- validate
- validation
- utility
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Javascript Class system (Object oriented). Support Interfaces, Classes, Extends/Implements.
- abstract
- class
- classical
- classes
- instanceof
- typeof
- extends
- implements
- events
- object oriented
- oop
- inheritance
- inherit
- class inheritance
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An es7 decorator used to validate class and methods arguments.
Minimal JavaScript type checking library
Additional ESLint rules.
Type creation, validation, and comparison for Javascript
Type creation, validation, and comparison for Javascript
Checks the prototypical chain of an object and compares each constructor's name against the value.
Simple library to check for many types.
locore is a Standard library. the library with basic JavaScript methods to improve development efficiency.
- locore
- lodash
- typescripts
- qianduanka
- type
- isPrimitive
- isNumber
- isString
- isBoolean
- isNull
- isUndefined
- isBigInt
- isSymbol
- isPureObject
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A controller that writes extended classes' tag names into the "instanceof" attribute.
Function argument validation for humans
- type
- types
- check
- checking
- guard
- guards
- assert
- assertion
- predicate
- predicates
- is
- validate
- validation
- utility
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Functional instanceof.
Better 'typeof'. Detects real type of the objects like 'Array()', 'new Number(1)', 'new Boolean(true)', etc.
Lightweight library for determining types of variables based on battle-tested implementation from lodash but having a fraction of overall size.
The most simple, customizable and easy to use JavaScript standard inheritance library
- embryo
- inheritance
- class
- instanceof
- plugins
- extend
- static
- new
- inherit
- inherits
- operator
- getters
- setters
- prototype
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