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5683 packages found
Returns true if a value has the characteristics of a valid JavaScript accessor descriptor.
Returns true if a value has the characteristics of a valid JavaScript data descriptor.
Returns true if a value has the characteristics of a valid JavaScript descriptor. Works for data descriptors and accessor descriptors.
Returns true if an object was created by the `Object` constructor, or Object.create(null).
Function argument validation for humans
- type
- types
- check
- checking
- guard
- guards
- assert
- assertion
- predicate
- predicates
- is
- validate
- validation
- utility
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Check if a value is a plain object
Type check values
Returns true if the value is an object and not an array or null.
Get the native type of a value.
Simply check if your array, object, nested stuff, string, number, etc are empty or not.
Returns true if a value is a plain object, array or function.
Test if a value is a plain object.
Returns true if a value exists, false if empty. Works with deeply nested values using object paths.
A simple and composable way to validate data in JavaScript (and TypeScript).
TypeScript and JavaScript page component object framework for Selenium
- javascript
- selenium
- automation
- test
- testing
- check
- checking
- verify
- verification
- typescript
- page
- component
- framework
- pom
Test if a value is a string.
Test if an object has a specified property.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- object
- obj
- has
- hasown
- hasownproperty
- property
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Test if a value is an object.
Test if a value is object-like.