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Contents
#
# A way to filter certain keys of data provided to the LazyHighCharts#series method and the LazyHighCharts#options
#
# Add methods or keys to the FILTER_MAP hash to have them applied to the options in a series
# In the FILTER_MAP, the hash keys are methods, and the values are arrays of the hash keys the filter should be
# applied to
#
# Be careful that it is OK to filter the hash keys you specify for every key of the options or series hash
#
module LazyHighCharts
module OptionsKeyFilter
def self.milliseconds value
value * 1000
end
def self.date_to_js_code date
"Date.UTC(#{date.year}, #{date.month - 1}, #{date.day})".js_code
end
def self.filter options
new_options = options.map do |k, v|
if v.is_a? ::Hash
v = filter v
else
FILTER_MAP.each_pair do |method, matchers|
v = method.call(v) if matchers.include?(k)
end
end
[k, v]
end
Hash[new_options]
end
FILTER_MAP = {
method(:milliseconds) => [:pointInterval],
method(:date_to_js_code) => [:pointStart]
}
end
end
Version data entries
15 entries across 15 versions & 2 rubygems