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370 packages found
Strict equality test (like ===) that handles both built-in and custom value objects (those with a valueOf function).
An async function is a function that delivers its result asynchronously (through Promise).
- extra
- async
- function
- after
- arity
- before
- flip
- once
- partial
- partialRight
- InvocationControl
- Resolver
- ARGUMENTS
- COMPARE
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Global access to all CallSite/Stack Trace Properties and more
The definitive collection of is* functions for runtime type checking. Lodash-compatible, tree-shakable, with types.
Ask for a type, returns a true/false as answer.
An async function is a function that delivers its result asynchronously (through Promise) {web}.
- extra
- async
- function
- after
- arity
- before
- flip
- once
- partial
- partialRight
- InvocationControl
- Resolver
- ARGUMENTS
- COMPARE
- View more
A function is a set of statements that performs a task or calculates a value {web}.
- extra
- function
- after
- arity
- before
- flip
- once
- partial
- partialRight
- InvocationControl
- Resolver
- ARGUMENTS
- COMPARE
- FALSE
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Test if a value is an array-like object containing only functions.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- function
- array
- is
- isfunction
- isarray
- array-like
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Ensure a function is stable, meaning the same input always produces the same output
Test if a value is an array of strings.
A module to check whether a JavaScript value is of a certain type
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
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Ask for a type, returns a true/false as answer.
Return a function which tests if every element in a typed array passes a test condition.
checks an object (function or array) for circular references
Collection of validation functions for JavaScript data
Takes any JavaScript data type or object as an input and returns a string describing the type of the input.
Test if a value is a native function.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- function
- fcn
- is
- isfunction
- native
- isnative
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Test if a value is an arrow function.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- function
- is
- isfunction
- arrow
- arrowfunction
- type
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This [vite](https://vitejs.dev/) plugin generates a single SVG spritemap containing multiple <symbol> elements from all `.svg` files in a directory.
- censor
- format
- Float64Array
- fast-deep-copy
- tools
- Uint8Array
- command
- framework
- look-up
- name
- https
- duplex
- ECMAScript 2022
- status
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