51 lines
1.5 KiB
CoffeeScript
51 lines
1.5 KiB
CoffeeScript
###
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# Copyright (C) 2014 Andrey Antukh <niwi@niwi.be>
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# Copyright (C) 2014 Jesús Espino Garcia <jespinog@gmail.com>
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# Copyright (C) 2014 David Barragán Merino <bameda@dbarragan.com>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as
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# published by the Free Software Foundation, either version 3 of the
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# License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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# File: utils.coffee
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###
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bindOnce = (scope, attr, continuation) =>
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val = scope.$eval(attr)
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if val != undefined
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return continuation(val)
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delBind = null
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delBind = scope.$watch attr, (val) ->
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return if val is undefined
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continuation(val)
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delBind() if delBind
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mixOf = (base, mixins...) ->
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class Mixed extends base
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for mixin in mixins by -1 #earlier mixins override later ones
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for name, method of mixin::
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Mixed::[name] = method
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Mixed
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trim = (data, char) ->
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return _.str.trim(data, char)
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taiga = @.taiga
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taiga.bindOnce = bindOnce
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taiga.mixOf = mixOf
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taiga.trim = trim
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