luau-lsp.nvim luaurc aliases

luaurc.lua

-- reads .luaurc in dir if it exists and returns a table that can be passed to luau-lsp.nvim
-- requires plenary: https://github.com/nvim-lua/plenary.nvim
function read_luaurc_aliases(dir)
    local p = require("plenary.path")
    local luaurc_path = p:new(dir, ".luaurc")
    if not luaurc_path:exists() then
        return nil
    end

    local luaurc_data = luaurc_path:read()
    local luaurc = vim.json.decode(luaurc_data)

    if luaurc == nil or luaurc["aliases"] == nil then
        return nil
    end
    if type(luaurc["aliases"]) ~= "table" then
        return nil
    end

    local aliases = luaurc["aliases"]
    local ret = {}
    for k, v in pairs(aliases) do
        ret["@" .. k] = v
    end
    return ret
end

-- use like this to read luaurc in nvim cwd:
--[[
local aliases = read_luaurc_aliases(vim.fn.getcwd())
require("luau-lsp").setup({
    server = {
        ...,
        settings = {
            ["luau-lsp"] = {
                require = {
                    directoryAliases = aliases,
                },
            },
        },
    },
})
]]--