Files
nvim/lua/plugins/template.lua
T

245 lines
8.4 KiB
Lua

--- Template.nvim integration for quick file scaffolding
--- Provides templates for Cosmos SDK, Protobuf, and Vite+Cloudflare development
--- @module plugins.template
---@type LazySpec
return {
"glepnir/template.nvim",
cmd = { "Template", "TemProject", "TemplateSnacks", "TemplateCreate" },
dependencies = { "folke/snacks.nvim", "nvim-telescope/telescope.nvim" },
config = function()
local template = require "template"
-- Setup template.nvim
template.setup {
temp_dir = vim.fn.stdpath "config" .. "/templates",
author = "Prad",
email = "prad@sonr.io",
}
-- Register custom template expressions
template.register("{{_path_}}", function() return vim.fn.expand "%:p" end)
template.register("{{_relative_path_}}", function() return vim.fn.expand "%:." end)
template.register("{{_dir_}}", function() return vim.fn.expand "%:p:h" end)
template.register("{{_project_}}", function() return vim.fn.fnamemodify(vim.fn.getcwd(), ":t") end)
-- Helper function to insert template
local function insert_template(lines)
local cursor_line = nil
local processed = {}
for i, line in ipairs(lines) do
-- Replace template markers
line = line:gsub("{{_date_}}", os.date "%Y-%m-%d %H:%M:%S")
line = line:gsub("{{_author_}}", "Prad")
line = line:gsub("{{_email_}}", "prad@sonr.io")
line = line:gsub("{{_file_name_}}", vim.fn.expand "%:t:r")
line = line:gsub("{{_upper_file_}}", vim.fn.expand("%:t:r"):upper())
-- Convert snake_case to CamelCase
local file_name = vim.fn.expand "%:t:r"
local camel_case = file_name:gsub("_(%w)", function(c) return c:upper() end)
camel_case = camel_case:gsub("^%w", string.upper)
line = line:gsub("{{_camel_case_file_}}", camel_case)
-- Handle lua expressions
line = line:gsub("{{_lua:(.-)_}}", function(expr)
local func = load("return " .. expr)
if func then
local ok, result = pcall(func)
if ok then return tostring(result) end
end
return ""
end)
-- Track cursor position
if line:match "{{_cursor_}}" then
cursor_line = i
line = line:gsub("{{_cursor_}}", "")
end
table.insert(processed, line)
end
-- Insert lines at cursor
local row = vim.api.nvim_win_get_cursor(0)[1]
vim.api.nvim_buf_set_lines(0, row - 1, row - 1, false, processed)
-- Set cursor position if marker found
if cursor_line then vim.api.nvim_win_set_cursor(0, { row + cursor_line - 1, 0 }) end
end
-- Custom template picker using Snacks
vim.api.nvim_create_user_command("TemplateSnacks", function(opts)
local temp_dir = vim.fn.stdpath "config" .. "/templates"
local current_ft = vim.bo.filetype
-- Find all template files
local template_files = vim.fn.globpath(temp_dir, "**/*", false, true)
-- Filter and format templates
local templates = {}
for _, file in ipairs(template_files) do
if vim.fn.isdirectory(file) == 0 then
local filename = vim.fn.fnamemodify(file, ":t")
local category = vim.fn.fnamemodify(file, ":h:t")
-- Extract filetype from template
local ext = vim.fn.fnamemodify(file, ":e")
if ext == "tpl" then
-- Read first line to get filetype marker
local first_line = vim.fn.readfile(file, "", 1)[1] or ""
ext = first_line:match "^;; (%w+)" or ext
end
-- Filter by current filetype if specified
local should_include = true
if opts.args == "" and current_ft ~= "" then
-- Only filter if we have a current filetype and no args
should_include = ext == current_ft or ext == "tpl"
end
if should_include then
table.insert(templates, {
text = string.format("[%s] %s", category, filename),
path = file,
filename = filename,
})
end
end
end
if #templates == 0 then
vim.notify("No templates found", vim.log.levels.WARN)
return
end
-- Use Snacks picker
require("snacks").picker.pick {
source = "template",
title = "Templates",
items = templates,
confirm = function(picker, item)
if not item then return end
picker:close()
-- Read template content
local content = vim.fn.readfile(item.path)
-- Process template variables
local processed = {}
local needs_variable = false
local variable_name = nil
for _, line in ipairs(content) do
-- Skip filetype marker line
if not line:match "^;; %w+" then
-- Check for variable placeholder
if line:match "{{_variable_}}" and not variable_name then needs_variable = true end
table.insert(processed, line)
end
end
-- Prompt for variable if needed
if needs_variable then
vim.schedule(function()
require("snacks").input({ prompt = "Variable name:" }, function(input)
if not input then return end
variable_name = input
-- Replace variable in content
for i, line in ipairs(processed) do
processed[i] = line:gsub("{{_variable_}}", variable_name)
end
-- Insert template
insert_template(processed)
end)
end)
else
insert_template(processed)
end
end,
}
end, { nargs = "?", desc = "Open template picker" })
-- Command to create new templates easily
vim.api.nvim_create_user_command("TemplateCreate", function(opts)
local temp_dir = vim.fn.stdpath "config" .. "/templates"
local args = vim.split(opts.args, "%s+")
if #args < 1 then
vim.notify("Usage: TemplateCreate <category/filename> [filetype]", vim.log.levels.ERROR)
return
end
local template_path = args[1]
local filetype = args[2] or vim.bo.filetype
-- Ensure .tpl extension
if not template_path:match "%.tpl$" then template_path = template_path .. ".tpl" end
local full_path = temp_dir .. "/" .. template_path
local dir = vim.fn.fnamemodify(full_path, ":h")
-- Create directory if needed
if vim.fn.isdirectory(dir) == 0 then vim.fn.mkdir(dir, "p") end
-- Create template file with filetype marker
local initial_content = { ";; " .. filetype, "", "{{_cursor_}}" }
vim.fn.writefile(initial_content, full_path)
-- Open the new template
vim.cmd.edit(full_path)
vim.notify("Created template: " .. template_path, vim.log.levels.INFO)
end, {
nargs = "+",
complete = function(_, _line)
local temp_dir = vim.fn.stdpath "config" .. "/templates"
local categories = {}
-- Get existing categories
for _, entry in ipairs(vim.fn.readdir(temp_dir)) do
local path = temp_dir .. "/" .. entry
if vim.fn.isdirectory(path) == 1 then table.insert(categories, entry .. "/") end
end
return categories
end,
desc = "Create a new template file",
})
-- Telescope integration (uses telescope-nvim-snacks recipe)
vim.defer_fn(function()
local has_telescope, telescope = pcall(require, "telescope")
if has_telescope then
local ok = pcall(telescope.load_extension, "find_template")
if ok then
-- Add Telescope template picker command
vim.api.nvim_create_user_command("TemplateTelescope", function(opts)
local args = vim.split(opts.args or "", "%s+")
local cmd_opts = {}
-- Parse arguments
for _, arg in ipairs(args) do
local key, value = arg:match "^(%w+)=(.+)$"
if key == "type" then
cmd_opts.type = value
elseif key == "name" then
cmd_opts.name = value
elseif key == "filter_ft" then
cmd_opts.filter_ft = value == "true"
end
end
telescope.extensions.find_template.find_template(cmd_opts)
end, {
nargs = "*",
desc = "Open Telescope template picker",
})
end
end
end, 100)
end,
}