Discussing loading of data files in FiveM

partial___sv_area_editor.lua

DefineNightCallback('editor-save-json', function(source, jsonString)
    if IsPlayerAceAllowed(source, 'admin') then
        local data = json.decode(jsonString)
        if data and data.name then
            local name = string.lower(data.name)
            name = name:gsub("[^a-z.]", "_")
            name = name .. '.json'
            local saved = SaveResourceFile(GetCurrentResourceName(), 'areas/'..name, jsonString, -1)
            if saved then
                tellplayer(source,'Saved!', 'Area saved as', name)
            else
                tellplayer(source,'Not saved!', 'Something error happen!')
            end
        else
            tellplayer(source,'Malformed data', 'The data you were trying to save was corrupted!')
        end
    else
        NOPE(source)
    end
end)

DefineNightCallback('editor-load-json', function(source, name)
    if IsPlayerAceAllowed(source, 'admin') then
        logplayer(source, name)
        local fileName = name or 'unnamed'
        fileName = fileName:lower()
        fileName = fileName:gsub("[^a-z.]", "_")
        if not fileName:match(".json$") then
            fileName = fileName .. '.json'
        end
        local raw = LoadResourceFile(GetCurrentResourceName(), 'areas/'..fileName)
        if raw then
            local data = json.decode(raw)
            if data then
                tellplayer(source,'Loaded area', 'Editor access granted to edit saved area ~y~', data.name)
                return data.name, raw
            else
                tellplayer(source,'Corruption!', 'For some unknown reason, the area',name,'has been corrupted!')
            end
        else
            tellplayer(source,'No such area', 'No file named',fileName,'was found.')
        end
    else
        NOPE(source)
    end
end)