uros-5 / jinja-lsp

Language Server for jinja

jinja-lsp enhances minijinja development experience by providing Helix/Nvim users with advanced features such as autocomplete, syntax highlighting, hover, goto definition, code actions and linting.

Installation

cargo install jinja-lsp

Features

Autocomplete

Intelligent suggestions for variables in current template, as well as variables, templates and filters defined on backend side.

Linting

Highlights errors and potential bugs in your jinja templates.

Hover Preview

See the complete filter or variable description by hovering over it.

Code Actions

It's recommended to reset variables on server in case you rename/delete file.

Goto Definition

Quickly jump to definition. Works for Rust identifiers as well.

jinja-lsp.mp4

Snippets

Document symbols

Configuration

Language server configuration

{ "templates": "./TEMPLATES_DIR", "backend": ["./BACKEND_DIR"], "lang": "rust"}

Helix configuration

[language-server.jinja-lsp]
command = "jinja-lsp"
config = { templates = "./templates", backend = ["./src"], lang = "rust"}
timeout = 5

[[language]]
name = "jinja"
language-servers = ["jinja-lsp"]

Neovim configuration

vim.filetype.add {
  extension = {
    jinja = 'jinja',
    jinja2 = 'jinja',
    j2 = 'jinja',
  },
}

-- if you want to debug
vim.lsp.set_log_level("debug")

local nvim_lsp = require('lspconfig')
local configs = require('lspconfig.configs')

if not configs.jinja_lsp then
configs.jinja_lsp = {
  default_config = {
    name = "jinja-lsp",
    cmd = { 'path_to_lsp_or_command' },
    filetypes = { 'jinja', 'rust' },
    root_dir = function(fname)
      return "."
      --return nvim_lsp.util.find_git_ancestor(fname)
    end,
    init_options = {
      templates = './templates',
      backend = { './src' },
      lang = "rust"
    },
},
}
end
local capabilities = require('cmp_nvim_lsp').default_capabilities(vim.lsp.protocol.make_client_capabilities())
nvim_lsp.jinja_lsp.setup {
  capabilities = capabilities
}
nvim_lsp.jinja_lsp.setup {
}

Supported languages: Python, Rust