runner.nvim/lua/runner/handlers/helpers.lua
2023-04-14 23:52:18 +03:00

140 lines
4.0 KiB
Lua

local pickers = require('telescope.pickers')
local finders = require('telescope.finders')
local actions = require('telescope.actions')
local action_state = require('telescope.actions.state')
local sorters = require('telescope.sorters')
local themes = require('telescope.themes')
local config = require('runner.config')
local utils = require('runner.handlers.utils')
local M = {}
--- Runs a command in a shell by opening it in a new split window, with a terminal buffer.
---
--- Usage:
--- ```lua
--- local helpers = require('runner.handlers.helpers')
--- require('runner').set_handler(
--- 'rust',
--- helpers.shell_handler('cargo run', true),
--- )
--- ```
---
--- @param command string The shell command to run when the handler called
--- @param editable boolean? Whether the user should be prompted to edit the command using `vim.input()` before running it. Useful when giving command line arguments to a script. *Defaults to false*
M.shell_handler = function(command, editable)
if editable == nil then
editable = false
end
return function(_)
if editable then
command = vim.fn.input {
prompt = 'Command: ',
default = command,
}
end
local output_buffer = utils.create_buffer()
local output_window = utils.create_window()
vim.api.nvim_win_set_buf(output_window, output_buffer)
utils._last_command = command
vim.fn.termopen(command, {
cwd = vim.fn.getcwd(),
})
end
end
--- Runs a vim command
---
--- Usage:
--- ```lua
--- local helpers = require('runner.handlers.helpers')
--- require('runner').set_handler(
--- 'lua',
--- helpers.command_handler('luafile %'),
--- )
--- ```
---
--- @param command string The vim command to run when the handler called
M.command_handler = function(command)
return function()
vim.cmd(command)
end
end
--- Opens a `Telescope` finder to allow the user to choose which handler to run
---
--- Usage:
--- ```lua
--- local helpers = require('runner.handlers.helpers')
--- require('runner').set_handler(
--- 'lua',
--- helpers.choice({
--- ['Run current file'] = helpers.command_handler('luafile %'),
--- ['Foo'] = helpers.shell_handler('foo'),
--- ['Bar'] = function(buffer)
--- -- Custom handler here...
--- end,
--- }),
--- )
--- ```
---
--- @param handlers table<string, function> The vim command to run when the handler called
M.choice = function(handlers)
local handlers_count = vim.tbl_count(handlers)
if handlers_count == 0 then
print('No handler available right now')
return function() end
elseif handlers_count == 1 then
return vim.tbl_values(handlers)[1]
end
return function(buffer)
local picker = pickers.new(
{},
themes.get_dropdown {
prompt_title = 'Runner',
finder = finders.new_table {
results = vim.tbl_keys(handlers),
},
sorter = sorters.get_generic_fuzzy_sorter(),
attach_mappings = function(prompt_bufnr)
actions.select_default:replace(function()
actions.close(prompt_bufnr)
local handler_name = action_state.get_selected_entry()[1]
handlers[handler_name](buffer)
end)
actions.select_horizontal:replace(function()
local default_position = config.options.position
config.options.position = 'bottom'
actions.close(prompt_bufnr)
local handler_name = action_state.get_selected_entry()[1]
handlers[handler_name](buffer)
config.options.position = default_position
end)
actions.select_vertical:replace(function()
local default_position = config.options.position
config.options.position = 'right'
actions.close(prompt_bufnr)
local handler_name = action_state.get_selected_entry()[1]
handlers[handler_name](buffer)
config.options.position = default_position
end)
return true
end,
}
)
picker:find()
end
end
return M