84 lines
2.9 KiB
Lua
84 lines
2.9 KiB
Lua
--[[- Library for formatting numbers
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@module numberformatter
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]]
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--[[ numberformatter.lua
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_ _ _ _ _ _ ___ ____ ____
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|\ | | | |\/| |__] |___ |__/
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| \| |__| | | |__] |___ | \
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____ ____ ____ _ _ ____ ___ ___ ____ ____
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|___ | | |__/ |\/| |__| | | |___ |__/
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| |__| | \ | | | | | | |___ | \
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]]
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local NumberFormatter = {
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--- "Metadata" - Version
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_VERSION = "1.1.0",
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--- "Metadata" - Description
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_DESCRIPTION = "Library for formatting numbers",
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--- "Metadata" - Homepage / Url
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_URL = "https://github.com/Commandcracker/YouCube",
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--- "Metadata" - License
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_LICENSE = "GPL-3.0"
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}
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--[[
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NumberFormatter.compact and NumberFormatter.abbreviate based on:
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https://devforum.roblox.com/t/how-can-i-turn-a-number-to-a-shorter-number-i-dont-know-how-to-explain-click-to-understand-3/649496/3
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]]
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local Suffixes = { "k", "M", "B", "T", "qd", "Qn", "sx", "Sp", "O", "N", "de", "Ud", "DD", "tdD", "qdD", "QnD", "sxD",
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"SpD", "OcD", "NvD", "Vgn", "UVg", "DVg", "TVg", "qtV", "QnV", "SeV", "SPG", "OVG", "NVG", "TGN", "UTG", "DTG",
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"tsTG", "qtTG", "QnTG", "ssTG", "SpTG", "OcTG", "NoTG", "QdDR", "uQDR", "dQDR", "tQDR", "qdQDR", "QnQDR", "sxQDR",
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"SpQDR", "OQDDr", "NQDDr", "qQGNT", "uQGNT", "dQGNT", "tQGNT", "qdQGNT", "QnQGNT", "sxQGNT", "SpQGNT", "OQQGNT",
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"NQQGNT", "SXGNTL" }
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--[[- Format number by LDML's specification for [Compact Number Formats](http://unicode.org/reports/tr35/tr35-numbers.html#Compact_Number_Formats)
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@tparam number number The number to format
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@treturn string formatted number
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@usage Example:
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local numberformatter = require("numberformatter")
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print(numberformatter.compact(1000))
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Output: `1k`
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]]
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function NumberFormatter.compact(number)
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local Negative = number < 0
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number = math.abs(number)
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local Paired = false
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for i in pairs(Suffixes) do
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if not (number >= 10 ^ (3 * i)) then
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number = number / 10 ^ (3 * (i - 1))
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local isComplex = string.find(tostring(number), ".") and string.sub(tostring(number), 4, 4) ~= "."
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number = string.sub(tostring(number), 1, isComplex and 4 or 3) .. (Suffixes[i - 1] or "")
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Paired = true
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break
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end
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end
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if not Paired then
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local Rounded = math.floor(number)
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number = tostring(Rounded)
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end
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if Negative then
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return "-" .. number
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end
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return number -- returns 1.0k for example
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end
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--[[- Format number - separate thousands by comma
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@tparam number number The number to format
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@treturn string formatted number
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@usage Example:
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local numberformatter = require("numberformatter")
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print(numberformatter.abbreviate(1000))
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Output: `1,000`
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]]
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function NumberFormatter.abbreviate(number)
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local left, num, right = string.match(number, '^([^%d]*%d)(%d*)(.-)$')
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return left .. num:reverse():gsub('(%d%d%d)', '%1,'):reverse() .. right
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end
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return NumberFormatter
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