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m = Element.prototype.matches or
Element.prototype.matchesSelector or
Element.prototype.mozMatchesSelector or
Element.prototype.msMatchesSelector or
Element.prototype.oMatchesSelector or
Element.prototype.webkitMatchesSelector
Rails.matches = (element, selector) ->
if selector.exclude?
m.call(element, selector.selector) and not m.call(element, selector.exclude)
else
m.call(element, selector)
# get and set data on a given element using "expando properties"
# See: https://developer.mozilla.org/en-US/docs/Glossary/Expando
expando = '_ujsData'
Rails.getData = (element, key) ->
element[expando]?[key]
Rails.setData = (element, key, value) ->
element[expando] ?= {}
element[expando][key] = value
# a wrapper for document.querySelectorAll
# returns an Array
Rails.$ = (selector) ->
Array.prototype.slice.call(document.querySelectorAll(selector))
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