Methods
(static) reduceFromEmptyArray(function) → {function}
- Source:
- Since:
- 0.3.0
Return a reduce function expecting an array to reduce with the passed reducer with an empty array as the initial value
Example
> reduce = reduceFromEmptyArray((acc, x) => {
return acc.slice(-2).concat([x.value]);
})
> reduce([
{a: 1, value: 2},
{a: 1, value: 3},
{a: 1, value: 0},
{a: 1, value: 4},
{a: 1, value: 7}
])
[0, 4, 7]Parameters:
| Name | Type | Description |
|---|---|---|
function |
function | reducer |
Returns:
- Array -> Any
- Type
- function
(static) reduceFromEmptyObject(function) → {function}
- Source:
- Since:
- 0.3.0
Return a reduce function expecting an array to reduce with the passed reducer with an empty object as the initial value
Example
> reduce = reduceFromEmptyObject((acc, x) => {
acc[x.id] = x.name;
return acc;
})
> reduce([
{id: '00', name: 'a'},
{id: '11', name: 'b'}
])
{11: 'b', 00: 'a'}Parameters:
| Name | Type | Description |
|---|---|---|
function |
function | reducer |
Returns:
- Array -> Any
- Type
- function