Generate javascript code for mapping emoji short name to unicode

JavaScriptEmoji.jl

module JavaScriptEmoji

export download_emojis, parse_emojis, gen_javascript

import JSON

function download_emojis()
    url = "https://raw.githubusercontent.com/iamcal/emoji-data/master/emoji.json"
    return JSON.parsefile(download(url))
end

function parse_emojis(data)
    result = Dict()
    for emj in data
        name = lowercase(replace(emj["short_name"], r"[ _]" => "-"))
        unicode = emj["unified"]
        if '-' in unicode
            # println(name * " has dash: " * unicode)
            continue
        end
        result[name] = (name = name, code = unicode, char = "$(Char(parse(UInt32, unicode, base = 16)))")
    end
    return result
end

function gen_javascript(filename, emojis)
    skeys = sort(collect(keys(emojis)))
    open(filename, "w") do fh
        println(fh, "const emojis = {")
        for key in skeys
            emoji = emojis[key]
            println(fh, "  '", emoji.name, "': '", emoji.code, "',")
        end
        println(fh, "};")
    end
end

end