Neovim and Conjure

Clojure editors - neovim and conjure with clojure project

Learning to use Conjure

:help conjure opens the conjure documentation in neovim. Use j to scroll down, k to scroll up.

:ConjureSchool command will start an interactive tutorial and introduce Conjure's workflow and key mappings

Start a REPL on the command line

Using practicalli/clojure-deps-edn aliases, run a command line REPL that starts a headless nrepl server and starts the rebel readline terminal UI

clojure -M:repl/repl

Then open a Clojure file and Conjure will (magically) connect to the running REPL and pop-up a connect message in the top right corner.

Starting a REPL from Vim

Start neovim with a Clojure file, e.g. nvim src/practialli/playground.clj or run nvim and open a Clojure file using :NERDTree. A Clojure file has a name ending in *.clj, *.cljc or .edn.

:Clj command to start a REPL using Clojure CLI Tools :Lein command to start a REPL using Leiningen

Neovim switches to a terminal state, use C-\ C-n to leave the terminal state. Use :N or :previous to switch back to the source code buffer

, c f to connect to the REPL from Conjure, or simply open a Clojure file. Automated connection will be added in a future version on Conjure.

The vim-jack-in plugin enables Neovim to call out to Clojure tools or Leiningen to start a REPL and connect to it once its started.

A full screen REPL log is displayed. , l q to close the log window and return to the Clojure file. , l v to create a vertical split between code and REPL log, , l h for a horizontal split.

Evaluating code

With the maplocalleader key set to ,

  • , e b evaluates the current buffer
  • , e f evaluate the code in the file (from the file system)
  • , e e evaluate the current expression
  • , e r evaluate top level form (root)
  • , e ! evaluate current form and replace with result

NOTE: Conjure results appear in a pop-up panel which displays until the cursor is moved. Whilst the pop-up is displaying, it is not possible to quit a file with :q. Move the cursor or use g t to change tabs to remove the popup.

Neovim commands and history

: in Vim normal mode to start entering a command, type the start of a command and press TAB to use command completion. TAB and Shift-TAB navigate the completion menu.

q: to popup a list of recent commands

File management

Multiple files can be opened in Neovim, either as split windows or tabs.

nvim src.clj deps.edn readme.org will open three files in separate tabs

:n or :next to switch to the next tab, :2next to jump 2 tabs, :last for the last tab. :N or :previous to switch to the previous tab

C-^ to toggle to last shown tab

:NERDTree or :NERDTreeToggle to show a graphical file manager in a left side split.

NERDTree opens files as splits. C-w followed by either jkhl will move the cursor to the split in that direction.

g d go to definition of current symbol

General vim commands

:cd changes the current working directory, use by :e

:lcd ^ but local to the current window

:windo lcd ^ for all windows in the current tab

:pwd prints the current working directory

:e! reloads the current buffer, discarding unsaved changes

:find to search for file names relative to the path option (set path?) and open them.

Completion

Install the Deoplete plugin (from Olical configuration) https://github.com/Shougo/deoplete.nvim

" Completion support
Plug 'Shougo/deoplete.nvim' | Plug 'ncm2/float-preview.nvim'
"

Quit neovim to load the updted configuration (unless there is someway to reload the configuration)

Run neovim and :PlugInstall to install all plugins defined in the ~/.config/nvim/init.vim configuration

Running tests

, t n to test the current namespace

Structural editing

>), <), >(, and <( to slurp and barf, where the angle bracket indicates the direction, and the parenthesis indicates which end to operate on.

Searching through projects

TODO:

Refactor code

TODO: find equivalents for narrowing, iedit and helm search results editing for vim

Code analysis and idom checking

clj-kondo automatically checks Clojure code at it is typed, providing instant feedback on Clojure syntax and idioms

Linting works continually once the dense/ale plugin and clj-kondo is installed via the 'w0rp/ale' plugin

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