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Versions: 126
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Stored size: 775 Bytes
Contents
# frozen_string_literal: true
require 'set'
class ReeDatetime::FindHumanTimeZonesByOffset
include Ree::FnDSL
fn :find_human_time_zones_by_offset do
link :find_time_zones_by_offset
link 'ree_datetime/functions/constants', -> { ZONE_HUMAN_NAMES }
end
ALL_ZONES = Set.new(ZONE_HUMAN_NAMES.values)
INVERTED_ZONES = ZONE_HUMAN_NAMES.invert
CACHE = {}
private_constant :CACHE
doc("Returns an array of time zones with short names according to the +offset+")
contract(String => ArrayOf[String])
def call(offset)
return CACHE[offset] if CACHE.has_key?(offset)
human_zones = find_time_zones_by_offset(offset)
.select { ALL_ZONES.include?(_1) }
.map { INVERTED_ZONES[_1] }
CACHE[offset] = human_zones
human_zones
end
end
Version data entries
126 entries across 126 versions & 1 rubygems