code-runner.nvim

Async Code Runner for Neovim

• Installation
• Setup
• Usage
• Runner Options
  • exe
  • opt
  • usestdin
  • range
  • transform
• APIs
• Self-Promotion
• License

Installation

Using nvim-plug

require("plug").add({
    {
        "wsdjeg/code-runner.nvim",
        depends = {
            { "wsdjeg/job.nvim" },
            { "wsdjeg/notify.nvim" },
        },
    },
})

Using luarocks

luarocks install code-runner.nvim

Setup

require("code-runner").setup({
    runners = {
        lua = { exe = "lua", opt = { "-" }, usestdin = true },
    },
    enter_win = false,
})

Usage

1. start default runner for current filetype:

lua require('code-runner').open()

2. run specific command with code-runner:

lua require('code-runner').open('make test')

Runner Options

exe

The exe option accepts a string, table, or function. When it is a string or table, it is passed directly to job.start as the job command. When it is a function, the function is executed first, and its return value is then used as the command to start the job.

example:

require('code-runner').setup({
    runners = {
        lua = {
            exe = function()
                if vim.fn.executable('luajit') == 1 then
                    return 'luajit'
                elseif vim.fn.executable('lua') == 1 then
                    return 'lua'
                else
                    return { 'nvim', '-l' }
                end
            end,
            opt = { '-' },
            usestdin = true,
        },
    },
})

opt

job command arguments which will be appended to job commands.

usestdin

if usestdin is true, then runner use context in current buffer as stdin instead of using file name.

range

if usestdin is true, then code-runner.nvim use vim.fn.getline(runner.range[1], runner.range[2]) as default stdin, the default range is {1, '$'}). This option is useful when run code block in markdown.

ftplugin/markdown.lua

vim.keymap.set('n', '<leader>lr', function()
    -- require https://github.com/Shougo/context_filetype.vim
    local cf = vim.fn['context_filetype#get']()

    if cf.filetype ~= 'markdown' then
        local runner = require('code-runner').get(cf.filetype)
        runner['usestdin'] = true
        runner['range'] = { cf['range'][1][1], cf['range'][2][1] }
        require('code-runner').open(runner)
    end
end, { silent = true, buffer = true })

transform

To replace text in output, use transform option, this should be a function which accept one string argument and return a string.

for example:

require('code-runner').setup({
    runners = {
        lua = {
            exe = 'lua',
            opt = { '-' },
            usestdin = true,
            transform = function(line)
                return '[Lua output]' .. line
            end,
        },
    },
})

APIs

• close(): close code runner window
• get(ft): get default runner for specific filetype
• get(ft): get default runner for specific filetype

Self-Promotion

Like this plugin? Star the repository on GitHub.

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License

This project is licensed under the GPL-3.0 License.