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112 lines
3.9 KiB
Lua
112 lines
3.9 KiB
Lua
-- Get nvm default version and use it in node_host_prog
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-- and g.copilot_node_command.
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--
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-- This module automatically configures Neovim to use the default Node.js version
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-- from NVM. It requires a working NVM installation and 'default' alias to be set,
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-- and also neovim npm package to be installed.
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--
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-- You can install the neovim package by running:
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-- npm i --global neovim
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--
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-- Usage:
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-- require('nvm-default').setup({
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-- add_to_path = true, -- optional: add NVM bin directory to PATH
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-- nvm_path = "~/.nvm", -- optional: custom NVM installation path
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-- notify_level = "info" -- optional: notification level
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-- })
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local M = {}
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M.name = 'nvm-default.nvim'
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M.version = '0.1.0' -- x-release-please-version
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-- Helper function to run a shell command
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---@param cmd string Run a shell command
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---@return string? Return the result of the command
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local function run_command(cmd)
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local result = vim.fn.system(cmd)
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return vim.v.shell_error == 0 and result:gsub("%s+$", "") or nil
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end
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-- Helper function to show a notification
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---@param msg string Show a message
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---@param level number|"info"|"warn"|"error"|"trace" Notification level
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local function n(msg, level)
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if msg == nil then
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msg = M.name .. ": No message provided"
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end
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if level == nil then
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level = "trace"
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end
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vim.notify(M.name .. ": " .. msg, level)
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end
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---@class NvmDefaultOptions
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---@field add_to_path boolean Add found NVM bin directory to PATH
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---@field nvm_path string Where nvm installation is located
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---@field notify_level number|"info"|"warn"|"error"|"trace" Notification level filter
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-- Default options
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---@type NvmDefaultOptions
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M.defaults = {
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add_to_path = vim.g.nvm_default_add_to_path or true,
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nvm_path = vim.fn.expand(os.getenv("NVM_DIR") or "~/.nvm"),
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notify_level = vim.g.nvm_default_notify_level or "info",
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}
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-- Fetch the NVM default version or fallback to node version
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---@param opts? NvmDefaultOptions Plugin options
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function M.setup(opts)
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local options = vim.tbl_deep_extend("force", M.defaults, opts or {})
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local nvm_path = options.nvm_path
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local node_version =
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run_command(string.format(". %s/nvm.sh && nvm version default", nvm_path)) or
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run_command(string.format(". %s/nvm.sh && nvm version node", nvm_path))
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if node_version and node_version:match("^v") then
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-- Set vim.g.node_host_prog and vim.g.copilot_node_command
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local current_nvm_version_path = string.format("%s/versions/node/%s", nvm_path, node_version)
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local current_nvm_node_bin_path = string.format("%s/bin", current_nvm_version_path)
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local current_nvm_node_bin = string.format("%s/node", current_nvm_node_bin_path)
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local neovim_node_host_bin_path = string.format("%s/neovim-node-host", current_nvm_node_bin_path)
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-- Collect missing files and directories errors for error output
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local missing = {}
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-- If node_dir isn't there, stop and show error
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if not vim.fn.isdirectory(current_nvm_version_path) then
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table.insert(missing, "Node.js directory: " .. current_nvm_version_path)
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end
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-- If node_bin isn't there, stop and show error
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if not vim.fn.filereadable(current_nvm_node_bin) then
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table.insert(missing, "Node.js binary: " .. current_nvm_node_bin)
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end
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if not vim.fn.filereadable(neovim_node_host_bin_path) then
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table.insert(missing, "Neovim host binary: " .. neovim_node_host_bin_path)
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end
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if #missing > 0 then
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n("Missing required files:\n- " .. table.concat(missing, "\n- "), "error")
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return
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end
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-- Add to PATH if requested. Can be turned off by setting if it messes with
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-- other tools.
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if options.add_to_path then
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vim.env.PATH = current_nvm_node_bin_path .. ":" .. vim.env.PATH
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end
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vim.g.node_host_prog = neovim_node_host_bin_path
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vim.g.copilot_node_command = current_nvm_node_bin
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else
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n("Unable to determine the Node.js version from nvm.", "error")
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end
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end
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return M
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