119 lines
2.8 KiB
Lua
119 lines
2.8 KiB
Lua
local M = {}
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local function log(message, level)
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vim.notify(
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string.format('live-server.nvim: %s', message),
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vim.log.levels[level]
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)
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end
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local job_cache = {}
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local function find_cached_dir(dir)
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local cur = dir
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while not job_cache[cur] do
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if cur == '/' or string.match(cur, '^[A-Z]:\\$') then
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return
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end
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cur = vim.fn.fnamemodify(cur, ':h')
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end
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return cur
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end
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local function is_running(dir)
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local cached_dir = find_cached_dir(dir)
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return cached_dir and job_cache[cached_dir]
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end
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M.config = {
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-- 8080 default is commonly used
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args = { '--port=5555' },
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}
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M.toggle = function(dir)
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local running = is_running(dir)
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if not running then
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M.start(dir)
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return
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end
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M.stop(dir)
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end
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M.setup = function(user_config)
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M.config = vim.tbl_deep_extend('force', M.config, user_config or {})
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if not vim.fn.executable 'live-server' then
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log(
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'live-server is not executable. Ensure the npm module is properly installed',
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vim.log.levels.ERROR
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)
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return
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end
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vim.api.nvim_create_user_command('LiveServerStart', function(opts)
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local dir = opts.args ~= '' and opts.args or '%:p:h'
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M.start(vim.fn.expand(dir))
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end, { nargs = '?' })
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vim.api.nvim_create_user_command('LiveServerStop', function(opts)
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local dir = opts.args ~= '' and opts.args or '%:p:h'
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M.stop(vim.fn.expand(dir))
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end, { nargs = '?' })
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vim.api.nvim_create_user_command('LiveServerToggle', function(opts)
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local dir = opts.args ~= '' and opts.args or '%:p:h'
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M.toggle(vim.fn.expand(dir))
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end, { nargs = '?' })
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end
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M.start = function(dir)
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local running = is_running(dir)
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if running then
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log('live-server already running', 'INFO')
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return
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end
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local cmd = { 'live-server', dir }
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vim.list_extend(cmd, M.config.args)
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local job_id = vim.fn.jobstart(cmd, {
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on_stderr = function(_, data)
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if not data or data[1] == '' then
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return
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end
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-- Remove color from error
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log(data[1]:match '.-m(.-)\27', 'ERROR')
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end,
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on_exit = function(_, exit_code)
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job_cache[dir] = nil
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-- instance killed with SIGTERM
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if exit_code == 143 then
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return
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end
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log(string.format('stopped with code %s', exit_code), 'INFO')
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end,
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})
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log('live-server started', 'INFO')
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job_cache[dir] = job_id
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end
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M.stop = function(dir)
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local running = is_running(dir)
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if running then
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local cached_dir = find_cached_dir(dir)
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if cached_dir then
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vim.fn.jobstop(job_cache[cached_dir])
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job_cache[cached_dir] = nil
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log('live-server stopped', 'INFO')
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end
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end
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end
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return M
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