mirror of
https://github.com/overleaf/overleaf.git
synced 2024-09-16 02:52:31 -04:00
539 lines
No EOL
14 KiB
CoffeeScript
539 lines
No EOL
14 KiB
CoffeeScript
define [
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"base"
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], (App) ->
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App.factory 'ccUtils', () ->
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defaultFormat = /(\d{1,4})/g;
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defaultInputFormat = /(?:^|\s)(\d{4})$/
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cards = [
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# Credit cards
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{
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type: 'visa'
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patterns: [4]
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format: defaultFormat
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length: [13, 16]
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cvcLength: [3]
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luhn: true
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}
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{
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type: 'mastercard'
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patterns: [
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51, 52, 53, 54, 55,
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22, 23, 24, 25, 26, 27
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]
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format: defaultFormat
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length: [16]
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cvcLength: [3]
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luhn: true
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}
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{
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type: 'amex'
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patterns: [34, 37]
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format: /(\d{1,4})(\d{1,6})?(\d{1,5})?/
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length: [15]
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cvcLength: [3..4]
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luhn: true
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}
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{
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type: 'dinersclub'
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patterns: [30, 36, 38, 39]
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format: /(\d{1,4})(\d{1,6})?(\d{1,4})?/
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length: [14]
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cvcLength: [3]
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luhn: true
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}
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{
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type: 'discover'
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patterns: [60, 64, 65, 622]
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format: defaultFormat
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length: [16]
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cvcLength: [3]
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luhn: true
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}
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{
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type: 'unionpay'
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patterns: [62, 88]
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format: defaultFormat
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length: [16..19]
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cvcLength: [3]
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luhn: false
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}
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{
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type: 'jcb'
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patterns: [35]
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format: defaultFormat
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length: [16]
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cvcLength: [3]
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luhn: true
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}
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]
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cardFromNumber = (num) ->
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num = (num + '').replace(/\D/g, "")
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for card in cards
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for pattern in card.patterns
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p = pattern + ""
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return card if num.substr(0, p.length) == p
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cardFromType = (type) ->
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return card for card in cards when card.type is type
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cardType = (num) ->
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return null unless num
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cardFromNumber(num)?.type or null
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formatCardNumber = (num) ->
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num = num.replace(/\D/g, '')
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card = cardFromNumber(num)
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return num unless card
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upperLength = card.length[card.length.length - 1]
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num = num[0...upperLength]
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if card.format.global
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num.match(card.format)?.join(' ')
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else
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groups = card.format.exec(num)
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return unless groups?
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groups.shift()
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groups = $.grep(groups, (n) -> n) # Filter empty groups
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groups.join(' ')
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formatExpiry = (expiry) ->
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parts = expiry.match(/^\D*(\d{1,2})(\D+)?(\d{1,4})?/)
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return '' unless parts
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mon = parts[1] || ''
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sep = parts[2] || ''
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year = parts[3] || ''
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if year.length > 0
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sep = ' / '
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else if sep is ' /'
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mon = mon.substring(0, 1)
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sep = ''
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else if mon.length == 2 or sep.length > 0
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sep = ' / '
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else if mon.length == 1 and mon not in ['0', '1']
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mon = "0#{mon}"
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sep = ' / '
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return mon + sep + year
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parseExpiry = (value = "") ->
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[month, year] = value.split(/[\s\/]+/, 2)
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# Allow for year shortcut
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if year?.length is 2 and /^\d+$/.test(year)
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prefix = (new Date).getFullYear()
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prefix = prefix.toString()[0..1]
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year = prefix + year
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month = parseInt(month, 10)
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year = parseInt(year, 10)
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return unless !isNaN(month) and !isNaN(year)
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month: month, year: year
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return {
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fromNumber: cardFromNumber
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fromType: cardFromType
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cardType: cardType
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formatExpiry: formatExpiry
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formatCardNumber: formatCardNumber
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defaultFormat: defaultFormat
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defaultInputFormat: defaultInputFormat
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parseExpiry: parseExpiry
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}
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App.factory 'ccFormat', (ccUtils, $filter) ->
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hasTextSelected = ($target) ->
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# If some text is selected
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return true if $target.prop('selectionStart')? and
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$target.prop('selectionStart') isnt $target.prop('selectionEnd')
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# If some text is selected in IE
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if document?.selection?.createRange?
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return true if document.selection.createRange().text
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false
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safeVal = (value, $target) ->
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try
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cursor = $target.prop('selectionStart')
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catch error
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cursor = null
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last = $target.val()
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$target.val(value)
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if cursor != null && $target.is(":focus")
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cursor = value.length if cursor is last.length
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# This hack looks for scenarios where we are changing an input's value such
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# that "X| " is replaced with " |X" (where "|" is the cursor). In those
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# scenarios, we want " X|".
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#
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# For example:
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# 1. Input field has value "4444| "
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# 2. User types "1"
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# 3. Input field has value "44441| "
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# 4. Reformatter changes it to "4444 |1"
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# 5. By incrementing the cursor, we make it "4444 1|"
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#
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# This is awful, and ideally doesn't go here, but given the current design
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# of the system there does not appear to be a better solution.
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#
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# Note that we can't just detect when the cursor-1 is " ", because that
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# would incorrectly increment the cursor when backspacing, e.g. pressing
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# backspace in this scenario: "4444 1|234 5".
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if last != value
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prevPair = last[cursor-1..cursor]
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currPair = value[cursor-1..cursor]
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digit = value[cursor]
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cursor = cursor + 1 if /\d/.test(digit) and
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prevPair == "#{digit} " and currPair == " #{digit}"
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$target.prop('selectionStart', cursor)
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$target.prop('selectionEnd', cursor)
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# Replace Full-Width Chars
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replaceFullWidthChars = (str = '') ->
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fullWidth = '\uff10\uff11\uff12\uff13\uff14\uff15\uff16\uff17\uff18\uff19'
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halfWidth = '0123456789'
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value = ''
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chars = str.split('')
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# Avoid using reserved word `char`
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for chr in chars
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idx = fullWidth.indexOf(chr)
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chr = halfWidth[idx] if idx > -1
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value += chr
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value
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# Format Numeric
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reFormatNumeric = (e) ->
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$target = $(e.currentTarget)
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setTimeout ->
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value = $target.val()
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value = replaceFullWidthChars(value)
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value = value.replace(/\D/g, '')
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safeVal(value, $target)
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# Format Card Number
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reFormatCardNumber = (e) ->
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$target = $(e.currentTarget)
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setTimeout ->
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value = $target.val()
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value = replaceFullWidthChars(value)
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value = ccUtils.formatCardNumber(value)
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safeVal(value, $target)
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formatCardNumber = (e) ->
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# Only format if input is a number
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digit = String.fromCharCode(e.which)
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return unless /^\d+$/.test(digit)
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$target = $(e.currentTarget)
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value = $target.val()
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card = ccUtils.fromNumber(value + digit)
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length = (value.replace(/\D/g, '') + digit).length
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upperLength = 16
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upperLength = card.length[card.length.length - 1] if card
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return if length >= upperLength
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# Return if focus isn't at the end of the text
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return if $target.prop('selectionStart')? and
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$target.prop('selectionStart') isnt value.length
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if card && card.type is 'amex'
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# AMEX cards are formatted differently
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re = /^(\d{4}|\d{4}\s\d{6})$/
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else
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re = /(?:^|\s)(\d{4})$/
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# If '4242' + 4
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if re.test(value)
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e.preventDefault()
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setTimeout -> $target.val(value + ' ' + digit)
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# If '424' + 2
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else if re.test(value + digit)
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e.preventDefault()
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setTimeout -> $target.val(value + digit + ' ')
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formatBackCardNumber = (e) ->
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$target = $(e.currentTarget)
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value = $target.val()
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# Return unless backspacing
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return unless e.which is 8
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# Return if focus isn't at the end of the text
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return if $target.prop('selectionStart')? and
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$target.prop('selectionStart') isnt value.length
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# Remove the digit + trailing space
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if /\d\s$/.test(value)
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e.preventDefault()
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setTimeout -> $target.val(value.replace(/\d\s$/, ''))
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# Remove digit if ends in space + digit
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else if /\s\d?$/.test(value)
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e.preventDefault()
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setTimeout -> $target.val(value.replace(/\d$/, ''))
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getFormattedCardNumber = (num) ->
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num = num.replace(/\D/g, '')
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card = ccUtils.fromNumber(num)
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return num unless card
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upperLength = card.length[card.length.length - 1]
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num = num[0...upperLength]
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if card.format.global
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num.match(card.format)?.join(' ')
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else
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groups = card.format.exec(num)
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return unless groups?
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groups.shift()
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groups = $.grep(groups, (n) -> n) # Filter empty groups
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groups.join(' ')
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parseCardNumber = (value) ->
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if value? then value.replace(/\s/g, '') else value
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# Format Expiry
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reFormatExpiry = (e) ->
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$target = $(e.currentTarget)
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setTimeout ->
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value = $target.val()
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value = replaceFullWidthChars(value)
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value = ccUtils.formatExpiry(value)
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safeVal(value, $target)
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formatExpiry = (e) ->
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# Only format if input is a number
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digit = String.fromCharCode(e.which)
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return unless /^\d+$/.test(digit)
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$target = $(e.currentTarget)
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val = $target.val() + digit
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if /^\d$/.test(val) and val not in ['0', '1']
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e.preventDefault()
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setTimeout -> $target.val("0#{val} / ")
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else if /^\d\d$/.test(val)
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e.preventDefault()
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setTimeout ->
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# Split for months where we have the second digit > 2 (past 12) and turn
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# that into (m1)(m2) => 0(m1) / (m2)
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m1 = parseInt(val[0], 10)
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m2 = parseInt(val[1], 10)
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if m2 > 2 and m1 != 0
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$target.val("0#{m1} / #{m2}")
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else
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$target.val("#{val} / ")
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formatForwardExpiry = (e) ->
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digit = String.fromCharCode(e.which)
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return unless /^\d+$/.test(digit)
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$target = $(e.currentTarget)
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val = $target.val()
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if /^\d\d$/.test(val)
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$target.val("#{val} / ")
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formatForwardSlash = (e) ->
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which = String.fromCharCode(e.which)
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return unless which is '/' or which is ' '
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$target = $(e.currentTarget)
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val = $target.val()
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if /^\d$/.test(val) and val isnt '0'
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$target.val("0#{val} / ")
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formatBackExpiry = (e) ->
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$target = $(e.currentTarget)
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value = $target.val()
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# Return unless backspacing
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return unless e.which is 8
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# Return if focus isn't at the end of the text
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return if $target.prop('selectionStart')? and
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$target.prop('selectionStart') isnt value.length
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# Remove the trailing space + last digit
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if /\d\s\/\s$/.test(value)
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e.preventDefault()
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setTimeout -> $target.val(value.replace(/\d\s\/\s$/, ''))
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parseExpiry = (value) ->
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if value?
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dateAsObj = ccUtils.parseExpiry(value)
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return unless dateAsObj?
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expiry = new Date dateAsObj.year, dateAsObj.month - 1
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return $filter('date')(expiry, 'MM/yyyy')
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# Format CVC
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reFormatCVC = (e) ->
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$target = $(e.currentTarget)
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setTimeout ->
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value = $target.val()
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value = replaceFullWidthChars(value)
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value = value.replace(/\D/g, '')[0...4]
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safeVal(value, $target)
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# Restrictions
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restrictNumeric = (e) ->
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# Key event is for a browser shortcut
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return true if e.metaKey or e.ctrlKey
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# If keycode is a space
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return false if e.which is 32
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# If keycode is a special char (WebKit)
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return true if e.which is 0
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# If char is a special char (Firefox)
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return true if e.which < 33
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input = String.fromCharCode(e.which)
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# Char is a number or a space
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!!/[\d\s]/.test(input)
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restrictCardNumber = (e) ->
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$target = $(e.currentTarget)
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digit = String.fromCharCode(e.which)
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return unless /^\d+$/.test(digit)
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return if hasTextSelected($target)
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# Restrict number of digits
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value = ($target.val() + digit).replace(/\D/g, '')
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card = ccUtils.fromNumber(value)
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if card
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value.length <= card.length[card.length.length - 1]
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else
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# All other cards are 16 digits long
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value.length <= 16
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restrictExpiry = (e) ->
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$target = $(e.currentTarget)
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digit = String.fromCharCode(e.which)
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return unless /^\d+$/.test(digit)
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return if hasTextSelected($target)
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value = $target.val() + digit
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value = value.replace(/\D/g, '')
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return false if value.length > 6
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restrictCVC = (e) ->
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$target = $(e.currentTarget)
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digit = String.fromCharCode(e.which)
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return unless /^\d+$/.test(digit)
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return if hasTextSelected($target)
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val = $target.val() + digit
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val.length <= 4
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setCardType = (e) ->
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$target = $(e.currentTarget)
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val = $target.val()
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cardType = ccUtils.cardType(val) or 'unknown'
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unless $target.hasClass(cardType)
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allTypes = (card.type for card in cards)
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$target.removeClass('unknown')
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$target.removeClass(allTypes.join(' '))
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$target.addClass(cardType)
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$target.toggleClass('identified', cardType isnt 'unknown')
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$target.trigger('payment.cardType', cardType)
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return {
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hasTextSelected
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replaceFullWidthChars
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reFormatNumeric
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reFormatCardNumber
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formatCardNumber
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formatBackCardNumber
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getFormattedCardNumber
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parseCardNumber
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reFormatExpiry
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formatExpiry
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formatForwardExpiry
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formatForwardSlash
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formatBackExpiry
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parseExpiry
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reFormatCVC
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restrictNumeric
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restrictCardNumber
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restrictExpiry
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restrictCVC
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setCardType
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}
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App.directive "ccFormatExpiry", (ccFormat) ->
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restrict: "A"
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require: "ngModel"
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link: (scope, el, attrs, ngModel) ->
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el.on "keypress", ccFormat.restrictNumeric
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el.on "keypress", ccFormat.restrictExpiry
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el.on "keypress", ccFormat.formatExpiry
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el.on "keypress", ccFormat.formatForwardSlash
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el.on "keypress", ccFormat.formatForwardExpiry
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el.on "keydown", ccFormat.formatBackExpiry
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el.on "change", ccFormat.reFormatExpiry
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el.on "input", ccFormat.reFormatExpiry
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el.on "paste", ccFormat.reFormatExpiry
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ngModel.$parsers.push ccFormat.parseExpiry
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ngModel.$formatters.push ccFormat.parseExpiry
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App.directive "ccFormatCardNumber", (ccFormat) ->
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restrict: "A"
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require: "ngModel"
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link: (scope, el, attrs, ngModel) ->
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el.on "keypress", ccFormat.restrictNumeric
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el.on "keypress", ccFormat.restrictCardNumber
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el.on "keypress", ccFormat.formatCardNumber
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el.on "keydown", ccFormat.formatBackCardNumber
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el.on "paste", ccFormat.reFormatCardNumber
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ngModel.$parsers.push ccFormat.parseCardNumber
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ngModel.$formatters.push ccFormat.getFormattedCardNumber
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App.directive "ccFormatSecCode", (ccFormat) ->
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restrict: "A"
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require: "ngModel"
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link: (scope, el, attrs, ngModel) ->
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el.on "keypress", ccFormat.restrictNumeric
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el.on "keypress", ccFormat.restrictCVC
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el.on "paste", ccFormat.reFormatCVC
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el.on "change", ccFormat.reFormatCVC
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el.on "input", ccFormat.reFormatCVC
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