@terascope/utils / functions
functions
Functions
isFunction()
isFunction(
input):input is Function
Verify an input is a function
Parameters
| Parameter | Type |
|---|---|
input | unknown |
Returns
input is Function
Source
packages/utils/src/functions.ts:64
memoize()
memoize<
T>(fn):T
A replacement for lodash memoize
Type parameters
| Type parameter |
|---|
T extends MemoizeFn |
Parameters
| Parameter | Type |
|---|---|
fn | T |
Returns
T
Source
packages/utils/src/functions.ts:49
noop()
noop(...
args):any
A simple function that does nothing but return the first argument
Parameters
| Parameter | Type |
|---|---|
...args | any[] |
Returns
any
Source
packages/utils/src/functions.ts:29
once()
once<
T>(fn): (...args) =>ReturnType<T> |undefined
Creates a function that is only invoked once
Type parameters
| Type parameter |
|---|
T extends (...args) => any |
Parameters
| Parameter | Type |
|---|---|
fn | T |
Returns
Function
Parameters
| Parameter | Type |
|---|---|
...args | ArgType<T> |
Returns
ReturnType<T> | undefined