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spacemacs/contrib/lang/clojure/README.md
2015-03-10 23:43:17 -04:00

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# Clojure contribution layer for Spacemacs
![logo_clojure](img/clojure.png) ![logo_cider](img/cider.png)
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**Table of Contents**
- [Clojure contribution layer for Spacemacs](#clojure-contribution-layer-for-spacemacs)
- [Description](#description)
- [Features](#features)
- [Install](#install)
- [Layer](#layer)
- [Pretty Symbols](#pretty-symbols)
- [Cider and clj-refactor](#cider-and-clj-refactor)
- [Quick Start with lein](#quick-start-with-lein)
- [More details](#more-details)
- [Key Bindings](#key-bindings)
- [Documentation](#documentation)
- [Evaluation](#evaluation)
- [Goto](#goto)
- [REPL](#repl)
- [Tests](#tests)
- [Refactoring](#refactoring)
- [Reformatting](#reformatting)
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## Description
This layer adds support for [Clojure][] language using [Cider][].
## Features
- REPL via [cider][]
- Refactoring via [clj-refactor][]
- Auto completion via [ac-cider][]
- Automatic formatting via [align-cljlet][]
## Install
### Layer
To use this contribution add it to your `~/.spacemacs`
```elisp
(setq-default dotspacemacs-configuration-layers '(clojure))
```
### Pretty Symbols
Pretty symbols for anonymous functions, set literals and partial, like `(λ [a] (+ a 5))`, `ƒ(+ % 5)`, `∈{2 4 6}` and `Ƥ`.
To enable this feature, add the following snippet to the dotspacemacs/config
section of your `~/.spacemacs` file:
```elisp
(setq clojure-enable-fancify-symbols t)
```
Or set this variable when loading the configuration layer:
```elisp
(setq-default dotspacemacs-configuration-layers
'((clojure :variables clojure-enable-fancify-symbols t)))
```
### Cider and clj-refactor
#### Quick Start with lein
- Install `lein` via your OS package manager.
- Create a file `~/.lein/profiles.clj` with the following content:
```clj
{:user {:plugins [[cider/cider-nrepl "0.9.0-SNAPSHOT"]
[refactor-nrepl "0.3.0-SNAPSHOT"]]
:dependencies [[alembic "0.3.2"]]}}
```
#### More details
More info regarding installation of nREPL middleware can be found here:
- cider: [cider repo][cider_install]
- clj-refactor: [refactor-nrepl][]
## Key Bindings
### Documentation
Key Binding | Description
----------------------|------------------------------------------------------------
<kbd>SPC m d d</kbd> | cider doc
<kbd>SPC m d g</kbd> | cider grimoire
<kbd>SPC m d j</kbd> | cider javadoc
### Evaluation
Key Binding | Description
----------------------|------------------------------------------------------------
<kbd>SPC m e b</kbd> | eval buffer
<kbd>SPC m e e</kbd> | eval last sexp
<kbd>SPC m e r</kbd> | eval region
### Goto
Key Binding | Description
----------------------|------------------------------------------------------------
<kbd>SPC m g g</kbd> | goto var
<kbd>SPC m g e</kbd> | goto error
<kbd>SPC m g r</kbd> | goto resource
<kbd>SPC m g b</kbd> | go back
### REPL
Key Binding | Description
----------------------|------------------------------------------------------------
<kbd>SPC m s b</kbd> | send and eval buffer in REPL
<kbd>SPC m s B</kbd> | send and eval buffer and switch to REPL in `insert state`
<kbd>SPC m s e</kbd> | send and eval last sexp in REPL
<kbd>SPC m s E</kbd> | send and eval last sexp and switch to REPL in `insert state`
<kbd>SPC m s f</kbd> | send and eval function in REPL
<kbd>SPC m s F</kbd> | send and eval function and switch to REPL in `insert state`
<kbd>SPC m s i</kbd> | start REPL (cider-jack-in)
<kbd>SPC m s n</kbd> | send and eval ns form in REPL
<kbd>SPC m s N</kbd> | send and eval ns form and switch to REPL in `insert state`
<kbd>SPC m s r</kbd> | send and eval region in REPL
<kbd>SPC m s R</kbd> | send and eval region and switch to REPL in `insert state`
<kbd>SPC m s s</kbd> | switch to REPL
### Tests
Key Binding | Description
----------------------|------------------------------------------------------------
<kbd>SPC m t t</kbd> | run tests
### Refactoring
Key Binding | Description
------------------------|------------------------------------------------------------
<kbd>SPC m r a d</kbd> | add declaration
<kbd>SPC m r a i</kbd> | add import to ns
<kbd>SPC m r a m</kbd> | add missing libspec
<kbd>SPC m r a p</kbd> | add project dependency
<kbd>SPC m r a r</kbd> | add require to ns
<kbd>SPC m r a u</kbd> | add use to ns
<kbd>SPC m r c c</kbd> | cycle coll
<kbd>SPC m r c i</kbd> | cycle if
<kbd>SPC m r c n</kbd> | clean ns
<kbd>SPC m r c p</kbd> | cycle privacy
<kbd>SPC m r d k</kbd> | destructure keys
<kbd>SPC m r e f</kbd> | extract function
<kbd>SPC m r e l</kbd> | expand let
<kbd>SPC m r f u</kbd> | find usages
<kbd>SPC m r h d</kbd> | hotload dependency
<kbd>SPC m r i l</kbd> | introduce let
<kbd>SPC m r m f</kbd> | move form
<kbd>SPC m r m l</kbd> | move to let
<kbd>SPC m r p c</kbd> | project clean
<kbd>SPC m r p f</kbd> | promote function
<kbd>SPC m r r d</kbd> | remove debug fns
<kbd>SPC m r r f</kbd> | rename file
<kbd>SPC m r r l</kbd> | remove let
<kbd>SPC m r r r</kbd> | remove unused requires
<kbd>SPC m r r s</kbd> | rename symbol
<kbd>SPC m r r u</kbd> | replace use
<kbd>SPC m r s n</kbd> | sort ns
<kbd>SPC m r s p</kbd> | sort project dependencies
<kbd>SPC m r s r</kbd> | stop referring
<kbd>SPC m r t f</kbd> | thread first all
<kbd>SPC m r t h</kbd> | thread
<kbd>SPC m r t l</kbd> | thread last all
<kbd>SPC m r u a</kbd> | unwind all
<kbd>SPC m r u w</kbd> | unwind
### Reformatting
Forms currently handled:
- let
- when-let
- if-let
- binding
- loop
- with-open
- literal hashes {}
- defroute
- cond
- condp (except :>> subforms)
More info [here][align-cljlet].
Key Binding | Description
------------------------|------------------------------------------------------------
<kbd>SPC m f l</kbd> | reformat current form
[Clojure]: http://clojure.org
[Cider]: https://github.com/clojure-emacs/cider
[cider_install]: https://github.com/clojure-emacs/cider#installation
[clojure-mode]: https://github.com/clojure-emacs/clojure-mode
[clj-refactor]: https://github.com/clojure-emacs/clj-refactor.el
[ac-cider]: https://github.com/clojure-emacs/ac-cider
[align-cljlet]: https://github.com/gstamp/align-cljlet
[refactor-nrepl]: https://github.com/clojure-emacs/refactor-nrepl