Sha256: 49e21ce07b549d23c0fd99677fb5b6f9b6a45afd458ebf22db532a85c3ba35b9
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Versions: 74
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Contents
module Coco
module AlpineHelper
include TagHelper
def x_data(name = nil, data = {})
if name.is_a?(Hash)
data = name
name = nil
end
props_str = data.present? ? jsify_data(data) : nil
expression = if name.present?
"#{jsify_var_name(name)}#{"(#{props_str})" if props_str.present?}"
else
props_str
end
expression.html_safe
end
def x_attrs(attrs, root: false)
attrs.symbolize_keys!
if root && !attrs.key?(:data)
attrs[:data] = "" # Add empty x-data attribute if none has been specified
end
attrs.transform_values! { (_1 == true) ? "" : _1 } # convert boolean x-attributes
# prefix attributes where needed
attrs.transform_keys do |key|
key = key.to_s
key.first.in?(["@", ":"]) ? key : "x-#{key}"
end
end
protected
def jsify_data(hash)
result = hash.reduce("") do |str, (k, v)|
key = jsify_var_name(k)
value = if v.is_a?(Hash)
jsify_data(v)
else
v.to_json.gsub("'", "\\\\'").tr("\"", "'")
end
"#{"#{str}, " if str.present?}#{key}: #{value}"
end
"{#{result}}"
end
def jsify_var_name(name)
name.to_s.tr("-", "_").camelize(:lower)
end
private
include ActionView::Helpers::JavaScriptHelper
end
end
Version data entries
74 entries across 74 versions & 1 rubygems