| 1 | Handlebars.registerHelper 'first', (array, count) ->
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| 2 | if Utils.isUndefined(count) then array[0] else array.slice 0, count
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| 3 |
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| 4 | Handlebars.registerHelper 'withFirst', (array, count, options) ->
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| 5 | if Utils.isUndefined count
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| 6 | options = count
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| 7 | options.fn array[0]
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| 8 | else
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| 9 | array = array.slice 0, count
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| 10 | result = ''
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| 11 | for item of array then result += options.fn array[item]
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| 12 | result
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| 13 |
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| 14 | Handlebars.registerHelper 'last', (array, count) ->
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| 15 | if Utils.isUndefined(count) then array[array.length - 1] else array.slice -count
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| 16 |
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| 17 | Handlebars.registerHelper 'withLast', (array, count, options) ->
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| 18 | if Utils.isUndefined count
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| 19 | options = count
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| 20 | options.fn array[array.length - 1]
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| 21 | else
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| 22 | array = array.slice -count
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| 23 | result = ''
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| 24 | for item of array then result += options.fn array[item]
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| 25 | result
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| 26 |
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| 27 | Handlebars.registerHelper 'after', (array, count) ->
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| 28 | array.slice count
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| 29 |
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| 30 | Handlebars.registerHelper 'withAfter', (array, count, options) ->
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| 31 | array = array.slice count
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| 32 | result = ''
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| 33 | for item of array then result += options.fn array[item]
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| 34 | result
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| 35 |
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| 36 | Handlebars.registerHelper 'before', (array, count) ->
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| 37 | array.slice 0, -count
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| 38 |
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| 39 | Handlebars.registerHelper 'withBefore', (array, count, options) ->
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| 40 | array = array.slice 0, -count
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| 41 | result = ''
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| 42 | for item of array then result += options.fn array[item]
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| 43 | result
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| 44 |
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| 45 | Handlebars.registerHelper 'join', (array, separator) ->
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| 46 | array.join if Utils.isUndefined(separator) then ' ' else separator
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| 47 |
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| 48 | Handlebars.registerHelper 'sort', (array, field) ->
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| 49 | if Utils.isUndefined field
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| 50 | array.sort()
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| 51 | else
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| 52 | array.sort (a, b) -> a[field] > b[field]
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| 53 |
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| 54 | Handlebars.registerHelper 'withSort', (array, field, options) ->
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| 55 | result = ''
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| 56 |
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| 57 | if Utils.isUndefined field
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| 58 | options = field
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| 59 | array = array.sort()
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| 60 | result += options.fn(item) for item in array
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| 61 | else
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| 62 | array = array.sort (a, b) -> a[field] > b[field]
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| 63 | result += options.fn(array[item]) for item of array
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| 64 |
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| 65 | result
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| 66 |
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| 67 | Handlebars.registerHelper 'length', (array) ->
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| 68 | array.length
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| 69 |
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| 70 | Handlebars.registerHelper 'lengthEqual', (array, length, options) ->
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| 71 | if array.length is length then options.fn(@) else options.inverse(@)
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| 72 |
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| 73 | Handlebars.registerHelper 'empty', (array, options) ->
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| 74 | if array.length <= 0 then options.fn(@) else options.inverse(@)
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| 75 |
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| 76 | Handlebars.registerHelper 'any', (array, options) ->
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| 77 | if array.length > 0 then options.fn(@) else options.inverse(@)
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| 78 |
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| 79 | Handlebars.registerHelper 'inArray', (array, value, options) ->
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| 80 | if array.indexOf(value) isnt -1 then options.fn(@) else options.inverse(@)
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| 81 |
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| 82 | Handlebars.registerHelper 'eachIndex', (array, options) ->
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| 83 | result = ''
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| 84 |
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| 85 | for value, index in array
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| 86 | result += options.fn item: value, index: index
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| 87 |
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| 88 | result
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| 89 |
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| 90 | Handlebars.registerHelper 'eachProperty', (obj, options) ->
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| 91 | result = ''
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| 92 |
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| 93 | for key, value of obj
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| 94 | result += options.fn key: key, value: value
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| 95 |
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| 96 | result
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