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#= require ./dom
{ matches } = Rails
toArray = (e) -> Array.prototype.slice.call(e)
Rails.serializeElement = (element, additionalParam) ->
inputs = [element]
inputs = toArray(element.elements) if matches(element, 'form')
params = []
inputs.forEach (input) ->
return unless input.name
if matches(input, 'select')
toArray(input.options).forEach (option) ->
params.push(name: input.name, value: option.value) if option.selected
else if input.checked or ['radio', 'checkbox', 'submit'].indexOf(input.type) == -1
params.push(name: input.name, value: input.value)
params.push(additionalParam) if additionalParam
params.map (param) ->
if param.name?
"#{encodeURIComponent(param.name)}=#{encodeURIComponent(param.value)}"
else
param
.join('&')
# Helper function that returns form elements that match the specified CSS selector
# If form is actually a "form" element this will return associated elements outside the from that have
# the html form attribute set
Rails.formElements = (form, selector) ->
if matches(form, 'form')
toArray(form.elements).filter (el) -> matches(el, selector)
else
toArray(form.querySelectorAll(selector))
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