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Versions: 6
Compression:
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Contents
@compact = (arr) ->
@deprecate 'compact(arr)', '_.compact arr'
r = []
for e in arr
r.push e if e?
r
@reverse = (arr) =>
@deprecate 'reverse(arr)', 'arr.reverse()'
_isString = _.isString arr
return arr unless _isString or $.isArray arr
if _isString then @warning 'reverse(someString)', 'STOP USE IT!' else arr.reverse()
###
Split array into slices of <number> elements.
Map result by iterator if last given.
>>> eachSlice [1..10], 3, (a) -> cout a
[1, 2, 3]
[4, 5, 6]
[7, 8, 9]
[10]
###
@eachSlice = (array, number, iterator = null) =>
size = array.length
index = 0
slices = []
while index < size
nextIndex = index + number
slices.push array.slice(index, nextIndex)
index = nextIndex
if _.isFunction iterator then _.map slices, iterator else slices
###
Splits or iterates over the array in groups of size +number+,
padding any remaining slots with +fill_with+ unless it is +false+.
>>> inGroupsOf [1..7], 3, (group) -> cout group
[1, 2, 3]
[4, 5, 6]
[7, null, null]
>>> inGroupsOf [1..3], 2, ' ', (group) -> cout group
[1, 2]
[3, " "]
>>> inGroupsOf [1..3], 2, false, (group) -> cout group
[1, 2]
[3]
###
@inGroupsOf = (array, number, fillWith = null) =>
return array if number < 1
iterator = @blockGiven arguments
unless fillWith is false
# size % number gives how many extra we have;
# subtracting from number gives how many to add;
# modulo number ensures we don't add group of just fill.
padding = (number - array.length % number) % number
if padding
fillWith = null if _.isFunction fillWith
array = array.slice()
array.push fillWith while padding-- > 0
@eachSlice array, number, iterator
Version data entries
6 entries across 6 versions & 1 rubygems