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132 packages found
Determine if a function is a native generator function.
Determine if a function is a native async function.
Returns true if a value is a plain object, array or function.
Returns true if a value exists, false if empty. Works with deeply nested values using object paths.
Returns true if any values exist, false if empty. Works for booleans, functions, numbers, strings, nulls, objects and arrays.
Check if something is a generator function
check if an AST node is a function of some sort
Test if a value is a function.
Determine if a function is an ES6 arrow function or not.
Set of methods allowing simplify work with promises in cycle such as: forEach, map, find, filter, reduce, while, transform. Besides there are methods for comfortable work with promises or asynchronous operations - all, retry, timeout.
- promise
- promises
- performance
- async
- await
- deferred
- deferreds
- future
- flow control
- fluent interface
- promise methods
- foreach
- reduce
- filter
- View more
Checks if a number is prime or not
Check if something is an ES7 async function
Validates if a value is a function.
Function that returns an arbitrary `async function`, or undefined if `async function` syntax is unsupported.
Determine if a point is inside of a periodic hole.
Return a function which tests if every element in an array passes a test condition.
Return a function which tests if every element in an array-like object passes a test condition.
Return true if arguments are provided
Check if function is an ES6 class.
Test if a value is an array of strings.