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1 local Luan = require "luan:Luan.luan"
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2 local error = Luan.error
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3 local new_error = Luan.new_error or error()
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4 local ipairs = Luan.ipairs or error()
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5 local type = Luan.type or error()
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6 local set_metatable = Luan.set_metatable or error()
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7 local Number = require "luan:Number.luan"
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8 local long = Number.long or error()
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9 local String = require "luan:String.luan"
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10 local regex = String.regex or error()
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11 local Http = require "luan:http/Http.luan"
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12 local Logging = require "luan:logging/Logging.luan"
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13 local logger = Logging.logger "Utils"
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14
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15
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16 local Utils = {}
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17
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18 Utils.is_production = Http.domain == "linkmy.style"
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19
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20 Utils.compressed = {compressed=true}
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21
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22 function Utils.base_url()
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23 local request = Http.request
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24 return request.scheme.."://"..request.headers["Host"]
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25 end
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26
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27 local set_mt = {}
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28 function set_mt.__index(table,key)
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29 return false
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30 end
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31
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32 function Utils.list_to_set(list)
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33 local set = {}
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34 for _, v in ipairs(list) do
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35 set[v] = true
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36 end
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37 set_metatable(set,set_mt)
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38 return set
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39 end
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40
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41 function Utils.to_list(input)
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42 if input == nil then
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43 return {}
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44 elseif type(input) == "table" then
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45 return input
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46 else
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47 return {input}
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48 end
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49 end
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50
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51 function Utils.long_or_nil(i)
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52 return i and long(i)
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53 end
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54
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55 Utils.email_regex = regex[[^[-+~.\w]+@([-.\w]+)$]]
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56
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57 function Utils.warn(msg)
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58 local e = new_error(msg)
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59 e.priority = "warn"
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60 e.throw()
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61 end
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62
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63 return Utils
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