Take instance-require lines and convert them to string-require lines

ConvertToStringRequires.luau

-- Add lines to here & run script
local lines = [[
local Roact = require(script.Parent.Parent.Parent.Packages.Roact)
local RoactRodux = require(script.Parent.Parent.Parent.Packages.RoactRodux)
local Constants = require(script.Parent.Parent.Plugin.Constants)
local ThemeContext = require(script.Parent.ThemeContext)
]]

-- e.g. output from above:
--[[
local Roact = require("../../Packages/Roact")
local RoactRodux = require("../../Packages/RoactRodux")
local Constants = require("../Plugin/Constants")
local ThemeContext = require("./ThemeContext")
]]

local function transform(line: string)
	local name, path = string.match(line, "local%s*(%w+)%s*=%s*require%((.+)%)$")
	if (not name) or (not path) then
		return line
	end
	local pathParts = string.split(path, ".")
	local newPathParts = {}
	if pathParts[1] == "script" then
		local numParents = 0
		for i = 2, #pathParts do
			if pathParts[i] == "Parent" then
				if numParents > 0 then
					table.insert(newPathParts, "..")
				end
				numParents += 1
			else
				numParents = 0
				table.insert(newPathParts, pathParts[i])
			end
		end
		if newPathParts[1] ~= ".." then
			table.insert(newPathParts, 1, ".")
		end
		local newPath = table.concat(newPathParts, "/")
		return `local {name} = require("{newPath}")`
	end
	return line
end

local function transformAll(all: string)
	local lines = string.split(all, "\n")
	for i, line in lines do
		if string.sub(line, #line) == "\r" then
			line = string.sub(line, #line - 1)
		end
		lines[i] = transform(line)
	end
	return `\n\n{table.concat(lines, "\n")}\n`
end

print(transformAll(lines))