User level configuration for Clojure CLI tools

practicalli/clojure-deps-edn provides a user level configuration, containing over 30 aliases to support Clojure CLI and tools.deps project development. These aliases use meaningful and descriptive names to avoid clashes with project specific aliases, ensuring that the user wide aliases remain available in all projects.

Aliases with common options are provided for convenience and to minimize the amount of cognitive load required to remember how to use aliases. Initial inspiration taken from seancorfield/dot-clojure.

The Practicalli Clojure book uses this configuration extensively to help you develop Clojure projects and learn the Clojure language.

MAJOR CHANGES: practicalli/clojure-deps-edn recommends using Clojure CLI tools version 1.10.1.697 or later. Aliases are now qualified keywords, which is recommended in general for using keywords in Clojure. Use the classic-aliases tag for the last version of this repository before these changes

Installing practicalli/clojure-deps-edn
Updating practicalli/clojure-deps-edn
Common development tasks
Aliases
- REPL Terminal UI | REPL with Editor | Remote REPL Connection | Alternative REPLs | Projects | Formatting Java sources | Databases | Data Inspectors | Middleware | Clojure Spec | Unit Testing | Test runners | Lint tools | Visualize vars and deps | Performance testing | Serices
Library repositories
Experimental

For use with Clojure CLI tools version 1.10.1.697 or above

Check the version of Clojure CLI tools currently installed

clojure -Sdescribe

Install Practicalli clojure-deps-edn

Clojure CLI tools creates a configuration directory called .clojure, which by default is placed in the root of the operating system user account directory, e.g. $HOME/.clojure.

XDG_CONFIG_HOME may be set by your operating system and over-rides the default location, e.g. $HOME/.config/.clojure

CLJ_CONFIG can be used to over-ride all other location settings

Check the location of your Clojure configuration directory by running clojure -Sdescribe and checking the :config-user value.

Fork the practicalli/clojure-deps-edn repository and clone your fork to an existing .clojure/ directory (eg. $HOME/.clojure or %HOME%\.clojure).

git clone your-fork-url ~/.clojure/

The configuration from .clojure/deps.edn is now available for all Clojure CLI projects for that user account.

Using Practicalli clojure-deps-edn

Any directory containing a deps.edn file is considered a Clojure project. A deps.edn file can contain an empty hash-map, {} or hash-map with configuration, usually :paths and :dependencies and perhaps some :aliases.

The project deps.edn file is merged with the user wide configuration, e.g $HOME/.clojure/deps.edn, with the project deps.edn keys taking precedence if there is duplication, otherwise they are merged.

Configuration passed via the command line when running clojure or the clj wrapper will take precedence over the project and user level configuration if there is duplication, otherwise they are merged.

See the rest of this readme for examples of how to use each alias this configuration contains.

Updating Practicalli clojure-deps-edn

The collection of aliases is regularly reviewed and expanded upon and suggestions are most welcome.

The versions of libraries are manually updated at least once per month using the :outdated alias and a new version of the deps.edn file pushed to this repository. The antq project is used to report new library versions, sent to an org file which is then used to update the changelog.

cd ~/.clojure/
clojure -M:project/outdated > outdated.org

Common development tasks

How to run common tasks for Clojure development.

Built-in tasks require no additional configuration.
User aliases should be added to ~/.clojure/deps.edn.
Project aliases should be added to the individual project deps.edn file (or may be part of a template).
User/Project alias can be defined in both user and project deps.edn files (typically added to project deps.edn for external running such as Continuous Integration)

Task	Command	Configuration
Create project (clojure exec)	`clojure -X:project/new :template app :name practicalli/my-app`	User alias
Run REPL (rebel readline)	`clojure -M:repl/rebel`	User alias
Run REPL (rebel and nrepl)	`clojure -M:repl/rebel-nrepl`	User alias
Run REPL (rebel and reveal data visualization)	`clojure -M:repl/rebel-reveal`	User alias
Download dependencies	`clojure -Spath` or `clojure -P` (plus optional aliases)	Built-in
Find libraries (mvn & git)	`clojure -M:project/find-deps library-name`	User alias
Generate image of project dependency graph	`clojure -X:project/graph-deps`	User alias
Check for new dependency versions	`clojure -M:project/outdated`	User alias
Run tests	`clojure -M:test/runner`	User/Project alias
Run the project	`clojure -M -m domain.main-namespace`	Built-in
Run the project*	`clojure -X:project/run`	Project alias
Package library	`clojure -X:project/jar`	User/Project alias
Deploy library locally	`clojure -X:deps mvn-install`	Built-in
Package application	`clojure -X:project/uberjar`	User/Project alias

Add alias :project/run to the deps.edn file in the root of a project: :project/run {:ns-default domain.namespace :exec-fn -main} - see this video for an example https://youtu.be/u5VoFpsntXc?t=2166

Most aliases use the -M flag. Only use the -X flag when you know it is supported by that task

Aliases

Aliases provide additional configuration when running a REPL, an application or to use a community tool.

add or remove dependencies
add or remove directories on the class path
define a function or main namespace to run, along with arguments

Clojure CLI main flag options

Flag	Purpose	Config used
`-M`	Run Clojure project with clojure.main	deps, path, `:main-opts` & command line args
`-P`	Prepare / dry run (CI servers, Containers)	deps, path
`-P -M:aliases`	Prepare / dry run including alias deps and paths	deps, path
`-P -X:aliases`	Prepare / dry run including alias deps and paths	deps, path
`-X`	Execute a qualified function, optional default arguments	deps, path, `:exec-fn`, `:exec-args` & :key val args
`-J`	Java Virtual Machine specific options (menory size, etc)

deps = :deps, :extra-deps, replace-deps
path = :path, :extra-paths, replace-paths

REPL terminal UI

Run an interactive REPL on the command line with the simple REPL UI or Rebel readline for a feature rich REPL experience. nREPL server is started by default, so that editors and other command line sessions can connect to the same REPL.

See Middleware aliases to run a headless REPL process without a REPL UI

Use the :env/dev alias with the :repl aliases to include dev/ in classpath and configure REPL startup actions using dev/user.clj

Command	Description
`clojure -M:repl/rebel`	Run a Clojure REPL using Rebel Readline
`clojure -M:env/dev:repl/rebel`	Run a Clojure REPL using Rebel Readline, including deps and path from `:env/dev` alias to configure REPL start
`clojure -M:repl/rebel-cljs`	Run a ClojureScript REPL using Rebel Readline

:repl/help in the Rebel UI for help and available commands. :repl/quit to close the REPL.

Data Inspectors section defines :inspect/reveal alias for a Reveal REPL with visualization, along with other data visualization tools.

REPL with Editor

Run an interactive REPL on the command line with the simple terminal UI, including an nREPL server and Cider libraries to support connections from Clojure editors, e.g. Conjure, CIDER and Calva.

Command	Description
`clojure -M:repl/nrepl`	Clojure REPL with nREPL server
`clojure -M:repl/cider`	Clojure REPL with nREPL server and Cider-nrepl (code completion, pretty print, etc.)
`clojure -M:repl/cider-refactor`	Clojure REPL with nREPL server, Cider-nrepl and clj-refactor
`clj -M:repl/reveal-nrepl`	Run a Clojure REPL with Reveal data visualization and nREPL interactively
`clj -M:repl/reveal-light-nrepl`	Run a Clojure REPL with Reveal data visualization (light theme) and nREPL interactively

Remote REPL connection

Connect to the nREPL server of a remote REPL using nREPL connect, using a simple terminal UI

clj -M:repl/remote --host hostname --port 12345

As above but using the enhanced Rebel Readline UI

clj -M:repl/rebel-remote --host hostname --port 12345

Alternative REPLs

Clojure 1.10.x onward can run a Socket Server for serving a socket-based REPL (Clojure and ClojureScript). tubular is a Socket Server client for Clojure and Clojurescript REPLs.

PREPL is a REPL with structured output. See Cloure socket prepl cookbook for examples.

Command	Description
`clojure -M:repl/socket`	Clojure REPL using Socket Server on port 50505
`clojure -M:repl/socket-zero`	As above but on first available port (container, cloud environment)
`clojure -M:repl/socket-zero -r`	As above but and run a REPL
`clojure -M:repl/socket-node`	ClojureScript REPL using Socket Server on port 55555
`clojure -M:repl/socket-browser`	ClojureScript REPL using Socket Server on port 58585
`clojure -M:repl/socket-client`	Socket REPL client on port 50505 (tubular)
`clojure -M:repl/prepl`	Clojure REPL using PREPL Server on port 40404
`clojure -M:repl/prepl-cljs`	Clojure REPL using PREPL Server on port 44444

Clojure Projects

Create projects from deps, leiningen and boot templates with clj-new
Check and update project dependencies
Package projects as jar and uberjars
Deploy projects locally and to Clojars

Create new projects from templates

:project/new - create a new project from a template

Create a new project (via clojure.main - classic approach - recommended for Windows to ensure template arguments are parsed correctly)

clojure -M:project/new luminus practicalli/full-stack-app +http-kit +h2 +reagent +auth

Create a new project (Edn command line arguments - recommended approach - except for Windows)

Command	Description
`clojure -X:project/new`	library project called playground
`clojure -X:project/new :name practicalli/my-library`	library project with given name
`clojure -X:project/new :template app :name practicalli/my-application`	App project with given name
`clojure -X:project/new :template luminus :name practicalli/full-stack-app :args '["+http-kit" "+h2"]'`	Luminus project with given name and template options
`clojure -X:project/new :template figwheel-main :name practicalli/landing-page :args '["--reagent"]'`	ClojureScript Figwheel-main project with reagent

Running projects

Run project with or without an alias:

clojure -M:alias -m domain.app-name
clojure -M -m domain.app-name

The -M flag is required even if an alias is not included in the running of the application. A warning will be displayed if the -M option is missing.

In the project deps.edn file it could be useful to define an alias to run the project, specifying the main namespace, the function to run and optionally any default arguments that are passed to that function.

:project/run
{:ns-default domain.main-namespace
 :exec-fn -main
 :exec-args {:port 8888}}

Then the project can be run using clojure -X:project/run and arguments can optionally be included in this command line, to complement or replace any default aruments in exec-args.

Project dependencies

:project/check - detailed report of compilation errors for a project
:project/graph-deps - graph of project dependencies (png image)
:project/find-deps - fuzzy search for libraries to add as dependencies
:project/outdated - report newer versions for maven and git dependencies
:project/outdated-mvn - check for newer dependencies (maven only)

Command	Description
`clojure -M:project/outdated`	report newer versions for maven and git dependencies
`clojure -M:project/outdated-mvn`	check for newer dependencies (maven only)
`clojure -M:project/check`	detailed report of compilation errors for a project
`clojure -M:project/find-deps library-name`	fuzzy search Maven & Clojars
`clojure -M:project/find-deps -F:merge library-name`	fuzzy search Maven & Clojars and save to project deps.edn
`clojure -X:project/graph-deps`	generate png image of project dependencies from projet deps.edn file
`clojure -M:project/outdated`	report newer versions for maven and git dependencies
`clojure -M:project/outdated-mvn`	check for newer dependencies (maven only)

Project analysis

Carve - static analysis of code (clj-kondo) and remove or report unused vars

:project/carve - remove / report unused vars
:project/unused - alternative alias name for :project/carve
:project/unused-vars - alternative alias name for :project/carve

Command	Description
`clojure -M:project/unused --opts '{:paths ["src" "test"]}'`	remove unused vars from the src and test paths
`clojure -M:project/unused --opts '{:paths ["src" "test"] :report {:format :text}} '`	report unused vars from the src and test paths

Generate report in a file:

clojure -M:project/unused --opts '{:paths ["src" "test"] :report {:format :ignore}}' > .carve/ignore

Project packaging

Build a project archive file for deployment

:project/jar - build jar for deps.edn project
:project/uberjar - build uberjars for deps.edn project
:project/uberdeps - uberjar builder

Command	Description
`clojure -X:project/jar :main-class domain.app-name`	package `project.jar` for deps.edn project (publish library)
`clojure -X:project/uberjar :main-class domain.app-name`	package `uber.jar` for deps.edn project (deploy application)

Additionally specify :jar name and if ahead of time compilation should be used (default true)

clojure -X:project/jar :jar '"practicalli.app.jar"' :aot false :main-class domain.app-name

Project Deployment

Deploy a project archive file locally or to Clojars.org

-X:deps mvn-install - built-in Clojure CLI alias to deploy a Jar locally in the ~/.m2/repository directory
:deploy/clojars - deploy jar to clojars.org
:deploy/clojars-signed - sign and deploy jar to clojars.org

Command	Description
`clojure -X:deps mvn-install project.jar`	[NEW] deploy jar file to local maven repository, i.e. `~/.m2/repository`
`clojure -M:project/clojars project.jar`	deploy jar file to Clojars
`clojure -M:project/clojars-signed project.jar`	deploy signed jar file to Clojars

Set Clojars username/token in CLOJARS_USERNAME and CLOJARS_PASSWORD environment variables.

Set fully qualified artifact-name and version in project pom.xml file

Path to project.jar can also be set in alias to simplify the Clojure command.

clojure -X:deps mvn-install project.jar for local deployment of jars is part of the 1.10.1.697 release of the Clojure CLI tools in September 2020.

Formatting

:format/zprint filename - format clojure code and Edn data structures in the given file

Java Sources

Include Java source on the classpath to look up Java Class and method definitions, eg. cider-find-var in Emacs Requires: Java sources installed locally (e.g. "/usr/lib/jvm/openjdk-11/lib/src.zip")

:lib/java8-source
:lib/java11-source

Use the aliases with either -M or -X flags on the Clojure command line.

Databases and drivers

Databases and drivers, typically for development time inclusion such as embedded databases

:database/h2 - H2 embedded database library and next.jdbc

clojure -M:database/h2 - run a REPL with an embedded H2 database and next.jdbc libraries

https://cljdoc.org/d/seancorfield/next.jdbc/CURRENT/doc/getting-started#create--populate-a-database

Use the aliases with either -M or -X flags on the Clojure command line.

Data Inspectors

REPL driven data inspectors and tap> sources for visualizing data.

Portal

Navigate data in the form of edn, json and transit Practicalli Clojure -data browsers section - portal

inspect/portal-cli - Clojure CLI (simplest approach)
inspect/portal-web - Web ClojureScript REPL
inspect/portal-node - node ClojureScript REPL

Command	Description
`clojure -M:inspect/portal-cli`	Clojure REPL with Portal dependency
`clojure -M:inspect/portal-web`	ClojureScript web browswer REPL with Portal dependency
`clojure -M:inspect/portal-node**	ClojureScript node.js REPL with Portal dependency

Using Portal once running (require '[portal.api :as portal]) once the REPL starts. For inspect/portal-web use (require '[portal.web :as portal]) instead

(portal/open) to open the web based inspector window in a browser.

(portal/tap) to add portal as a tap target (add-tap)

(tap> {:accounts [{:name "jen" :email "[email protected]"} {:name "sara" :email "[email protected]"}]}) to send data to the portal inspector window (or any other data you wish to send)

(portal/clear) to clear all values from the portal inspector window.

(portal/close) to close the inspector window.

Reveal data inspector and visualization tool

Reveal - run a Terminal REPL with data visualisation or connect with nREPL, socket or prepl connection and use from any [Clojure aware editor](Clojure aware editors). Reveal can also used as a tap> source for more powerful manual debugging.

:inspect/reveal - visualisation with terminal REPL.
:inspect/reveal-light - as above with light theme and 32 point Ubuntu Mono font
:inspect/reveal-nrepl - visualization for Clojure aware editors via an nrepl server
:inspec/reveal-light-nrepl - as above with light theme and 32 point Ubuntu Mono font
:inspect/reveal-nrepl-cider - visualization tool for Emacs Cider / Spacemacs / VSCode Calva
:inspec/reveal-light-nrepl-cider - as above with light theme and 32 point Ubuntu Mono font

Command	Description
`clojure -M:inspect/reveal`	start a Reveal repl with data visualization window (cloure.main)
`clojure -M:inspect/reveal-light`	as above with light theme and large font
`clojure -X:inspect/reveal`	start a Reveal repl with data visualization window (clojure exec)
`clojure -X:inspect/reveal-light`	as above with light theme and large font
`clojure -M:inspect/reveal-nrepl`	Start nrepl server to use Cider / Calva editors with reveal
`clojure -X:inspect/reveal-light-nrepl`	as above with light theme and large font
`clojure -M:inspect/reveal-rebel`	Start a Rebel REPL with Reveal Visualizations
`clojure -M:inspect/reveal-light-rebel`	Start a Rebel REPL with Reveal Visualizations & light theme
`clojure -M:inspect/reveal:repl/rebel`	Start a Rebel REPL with Reveal dependency. Add reveal as tap> source
`clojure -M:inspect/reveal-light:repl/rebel**	Start a Rebel REPL with Reveal dependency & light theme. Add reveal as tap> source

Connecting nREPL based editors Use the :inspect/reveal-nrepl alias when running the REPL, either in the terminal or via an nREPL based editor (CIDER, Calva, Conjure, Cursive, etc.)

Alternatively, add an .nrepl.edn file to the root of a project to include the Reveal middleware

{:middleware [vlaaad.reveal.nrepl/middleware]}

Cider jack-in and reveal See the Reveal section of Practicalli Clojure for full details, including how to set up a .dir-locals.el configuration.

:inspect/reveal-nrepl-cider alias contains Reveal REPL with nrepl server and Emacs CIDER specific middleware

C-u cider-jack-in-clj in CIDER to start a reveal REPL (SPC u , ' in Spacemacs)

Edit the jack-in command by deleting the all the configuration after the clojure command and add the alias

clojure -M:inspect/reveal-nrepl-cider

:inspect/reveal-nrepl-cider is a light version of the above.

Running different types of repl

Using Clojure exec -X flag, the default repl function can be over-ridden on the command line, supplying the io-prepl or remote-prepl functions.

clojure -X:inspect/reveal io-prepl :title '"I am a prepl repl"
clojure -X:inspect/reveal remote-prepl :title '"I am a remote prepl repl"'

Configure theme & font

Add a custom theme and font via the -J command line option or create an alias using :insepct/reveal-light as an example.

clojure -M:inspect/reveal -J-Dvlaaad.reveal.prefs='{:theme :light :font-family "Ubuntu Mono" :font-size 32}'

Rebel Readline & Reveal: Add Reveal as tap> source

Evaluate (add-tap ((requiring-resolve 'vlaaad.reveal/ui))) when using Rebel Readline to add Reveal as a tap source, showing (tap> ,,,) expressions in the reveal window, eg. (tap> (map inc [1 2 3 4 5])).

Practicalli Clojure - data browsers section has more details on using reveal.

Cognitect REBL

Visualize the results of each evaluation in the REPL in the REBL UI. Navigate through complex data structures.

Cognitect REBL aliases requires several separate install steps before they are operational

Tested on Oracle JDK 8 and OpenJDK 11 (current long term support). Other Java 11 JDK distributions may work, but not tested. Newer (short term release) may work, but will need the org.openjdk library version in the :inspect/rebl alias changed to match the version of Java used.

inspect/rebl - REBL, a visual data explorer (Java 11)
inspect/rebl-java8 - REBL, a visual data explorer (Oracle Java 8)

Command	Description
`clojure -M:inspect/rebl`	Start REBL REPL and UI (Java 11 only)
`clojure -M:inspect/rebl-java8`	REBL REPL and UI (Oracle Java 8 only)
`clojure -M:lib/cider-nrepl:inspect/rebl:middleware/nrebl`	REBL REPL and UI with nREPL server (CIDER, Calva) (Java 11 only)

Middleware

Aliases for libraries that combine community tools and REPL protocols (nREPL, SocketREPL).

Run a REPL on the command line for access by cider-connect- commands, providing the require cider middleware libraries that are auto-injected in ccider-jack-in- commands.

nREPL

:middleware/nrepl - Clojure REPL with an nREPL server
:middleware/cider-clj - Clojure REPL with nREPL server and CIDER dependencies for cider-connect-clj
:middleware/cider-clj-refactor - as :middleware/cider-clj with clj-refactor added
:middleware/cider-cljs - ClojureScript REPL with nREPL server and CIDER dependencies for cider-connect-cljs

Command	Description
`clojure -M:middleware/nrepl`	Run a Clojure REPL that includes nREPL server
`clojure -M:middleware/cider-clj`	Run a Clojure REPL that includes nREPL server and CIDER connection dependencies
`clojure -M:middleware/cider-clj-refactor`	Run a Clojure REPL that includes nREPL server and CIDER connection dependencies and clj-refactor
`clojure -M:middleware/cider-cljs`	Run a ClojureScript REPL that includes nREPL server and CIDER connection dependencies

Cognitect REBL with CIDER

Run the REBL REPL with nREPL server so CIDER can connect.

:middleware/nrebl - REBL data browser on nREPL connection
:lib/cider-nrepl - include nrepl, cider-nrepl and refactor-nrepl library dependencies (support :inspect/nrebl alias)

In a terminal, run REBL listening to nREPL using the command

clojure -M:lib/cider-nrepl:inspect/rebl:middleware/nrebl

cider-connect-clj in Spacemacs / Emacs and CIDER successfully connects to the nREPL port and evaluated code is sent to REBL.

To start a REBL REPL from cider-jack-in-clj add a .dir-locals.el file to the root of a Clojure project. The .dir-locals.el configuration adds the nREBL aliases set via cider-clojure-cli-global-options and all other automatically injected configuration is disabled (to prevent those dependencies over-riding the nREBL aliases).

((clojure-mode . ((cider-preferred-build-tool . clojure-cli)
                  (cider-clojure-cli-global-options . "-M:lib/cider-nrepl:inspect/rebl:middleware/nrebl")
                  (cider-jack-in-dependencies . nil)
                  (cider-jack-in-nrepl-middlewares . nil)
                  (cider-jack-in-lein-plugins . nil)
                  (cider-clojure-cli-parameters . ""))))

REBL data visualization: run REBL with nREPL based editors

Clojure Specification

Clojure spec, generators and test.check

:lib/spec-test - generative testing with Clojure test.check
:lib/spec2 - experiment with the next version of Clojure spec - alpha: design may change

Unit Testing frameworks

Unit test libraries and configuration. The Clojure standard library includes the clojure.test namespace, so no alias is required.

:env/test - add test directory to classpath
:lib/expectations - clojure.test with expectations
:lib/expectations-classic - expectations framework

Use expectations in a project clojure -A:test:expectations or from the command line with cognitect test runner clojure -A:expectations:test-runner-cognitect

Test runners and Test Coverage tools

Tools to run unit tests in a project which are defined under test path.

Run clojure with the specific test runner alias: clojure -A:test-runner-alias

Command	Description
`clojure -M:test/cognitect`	Cognitect Clojure test runner
`clojure -M:test/cljs`	ClojureScript test runner (Olical)
`clojure -M:test/runner`	Kaocha - comprehensive test runner for Clojure (same as :test/kaocha)
`clojure -M:env/test:test/kaocha`	Kaocha - comprehensive test runner for Clojure
`clojure -M:env/test:test/kaocha-cljs`	Kaocha - comprehensive test runner for ClojureScript
`clojure -M:env/test:test/kaocha-cucumber`	Kaocha - comprehensive test runner with BDD Cucumber tests
`clojure -M:env/test:test/kaocha-junit-xml`	Kaocha - comprehensive test runner with Junit XML reporting for CI dashboards & wallboards
`clojure -M:env/test:test/kaocha-cloverage`	Kaocha - comprehensive test runner with test coverage reporting
`clojure -M:test/midje`	Midje test runner for BDD style tests
`clojure -M:test/eftest`	Fast Clojure test runner, pretty output, parallel tests
`clojure -M:test/eftest-sequential`	Fast Clojure test runner, pretty output with test run sequential
`clojure -M:test/coverage`	Cloverage clojure.test coverage report
`clojure -X:test/coverage`	Cloverage clojure.test coverage report (clojure exec)

Use a test.edn configuration file with kaocha aliases will mean only test/kaocha and :test/kaocha-cljs aliases are needed.

Compiling tests before running - automate Ahead of Time compilation

Use one of the test runner alias and over-ride the :main-opts on the command line

clojure -M:test/cognitect -e "(compile, 'your.namespace)" -m cognitect.test-runner

Or add the following alias in your project deps.edn, changing to the specific namespace in :main-opts before use

  :test/cognitect-precompile
  {:extra-paths ["test"]
   :extra-deps  {com.cognitect/test-runner
                 {:git/url "https://github.com/cognitect-labs/test-runner.git"
                  :sha     "b6b3193fcc42659d7e46ecd1884a228993441182"}}
   :main-opts   ["-e" "(compile,'your.namespace-here)"
                 "-m" "cognitect.test-runner"]}

Lint tools

Static analysis tools to help maintain code quality and suggest Clojure idioms.

:lint/kondo - comprehensive and fast static analysis lint tool
:lint/eastwood - classic lint tool for Clojure
:lint/idiom-check - checking for idiomatic Clojure code with Kibit

Command	Description
`clojure -M:lint/kondo`	comprehensive and fast static analysis lint tool
`clojure -M:lint/eastwood`	classic lint tool for Clojure
`clojure -M:lint/idiom`	Suggest idiomatic Clojure code

Visualizing project vars and library dependencies

Create Graphviz graphs of project and library dependencies

Morpheus creates grahps of project vars and their relationships

:graph/vars - generate graph of vars in a project as a .dot file
:graph/vars-png - generate graph of vars in a project as a .png file using src and test paths
:graph/vars-svg - generate graph of vars in a project as a .svg file using src and test paths

Install Graphviz to generate PNG and SVG images. Or use the Edotor website to convert .dot files to PNG or SVG images and select different graph layout engines.

Vizns creates graphs of relationships between library dependencies and project namespaces

:graph/deps
:graph/deps-png - generate a single deps-graph png image

Other options:

clojure -M:graph/deps navigate # navigable folder of SVGs
clojure -M:graph/deps single # deps-graph.dot file
clojure -M:graph/deps single -o deps-graph.png -f png
clojure -M:graph/deps single -o deps-graph.svg -f svg
clojure -M:graph/deps single --show # View graph without saving

Performance testing

Performance testing tools for the REPL

:performance/benchmark

Use the aliases with either -M or -X flags on the Clojure command line.

TODO: check these alias combinations are correct

clojure -M:performance/benchmark:repl/rebel

(require '[criterium.core :refer [bench quick-bench]])
(bench (adhoc-expression))

TODO: check these alias combinations are correct Performance test a project in the REPL

clojure -M:performance/benchmark:repl/rebel

(require '[practicalli/namespace-name]) ; require project code
(in-ns 'practicalli/namespace-name)
(quick-bench (project-function args))

:performance/memory-meter - memory usage

Use the aliases with either -M or -X flags on the Clojure command line.

In the REPL:

  (require '[clj-memory-meter.core :as memory-meter])
   (memory-meter/measure (your-expression))

Services

Web servers and other standalone services run with Clojure CLI tools

:service/webserver - serve files from current directory or specified directory and port. More options at kachayev/nasus project.

Command	Description
`clojure -M:service/webserver`	HTTP file server for current directory on port 8000
`clojure -M:service/webserver 8888`	as above with PORT specified to 8888
`clojure -M:service/webserver 8888 --dir docs`	as above with PORT 8888 and doc directory

Use Ctrl-c to stop the server when running in the foreground

Community activities

The Clojurians Zulip CLI provides a simple way to register community events.

:community/zulip-event create an event on the Clojurians Zulip community

Set an environment variable called ZULIP_AUTH to your account email, followed by the account token (in settings), e.g.

[email protected]:493u984u3249834uo4u

Create an event using the following command

clojure -M:community/zulip-event create --zulip-auth "${ZULIP_AUTH}" --title 'Practicalli Live - Exercism.io challenges' --start '2020-11-14T09:00+00:00' --duration 1 --url https://youtu.be/Z5C7X1UN8yo --description 'Walking through solutions to the Exercism.io challenges'

Take care to get the timezone notation correct.

Experimental / Alpha Aliases

:alpha/carve - EXPERIMENTAL, use with caution - carve out unwanted vars in code
:alpha/hotload-libs - EXPERIMENTAL, use with caution - hot-load libraries into a running namespace.

Hot loading dependencies (unofficial - changes planned already)

This is a very unofficial approach to hot loading and the design may change quite soon, so this alias is likely to break without notice. Do not rely on this alias working and use with caution.

:project/hotload-dep - Add jar dependencies into a running REPL.

Require the add-lib function to include a maven style dependency

(require '[clojure.tools.deps.alpha.repl :refer [add-lib]])
  (add-lib 'domain/library {:mvn/version "RELEASE"})

Require clojure.tools.gitlibs namesapace to hot load dependencies from a Git repository

(require '[clojure.tools.gitlibs :as gitlibs])
(defn load-master [library]
  (let [git (str "https://github.com/" library ".git")]
    (add-lib library {:git/url git :sha (gitlibs/resolve git "master")})))
(load-master 'clojure/tools.trace)

Library repositories

Repositories that host libraries for Clojure.

central and clojars are the man repositories for Clojure development are consulted in order.

central and clojars repos can be removed from consideration by setting their configuration hash-map to nil in ~/.clojure/deps.edn. For example, {:mvn/repos {"central" nil}}.

The order of additional repositories consulted is not guaranteed, so may cause unpredictable side effects in the project build especially if RELEASE or LATEST tags are used rather than a numeric library version.

Maven supports explicit mirror definition in ~/.m2/settings.xml and Clojure CLI tools(tools.deps) supports this configuration. Adding Maven Central or a mirror to ~/.m2/settings.xml negates the need for its entry in deps.edn configuration.

Recommended repositories

central - Maven Central, the canonical repository for JVM libraries, including Clojure releases
clojars - clojars.org, the canonical repositories for Clojure community libraries fronted by a contend delivery network service, https://repo.clojars.org/

Optional repositories

sonatype - snapshots of Clojure development releases, useful for testing against before new stable releases.
jcenter - the largest mirror of all open source libraries (useful as a backup or accessing through corporate firewalls)
business-area - example of adding a local Artifactory server for your team or business area.
google-maven-central - Maven Central mirror hosted on Google Cloud Storage - Americas, Asia, Europe

Americas mirrors

 :mvn/repos
 {"google-maven-central" {:url "https://maven-central.storage-download.googleapis.com/maven2/"}}

Europe mirrors Use only one mirror entry for a specific repository, to ensure a repeatable build.

 :mvn/repos
 {"google-maven-central" {:url "https://maven-central-eu.storage-download.googleapis.com/maven2/"}

 ;; UK specific mirror
 "uk"      {:url "http://uk.maven.org/maven2/"}

  ;; CDN access to clojars
  "clojars" {:url "https://repo.clojars.org/"}}

Asian Region Mirrors

 :mvn/repos
 {"google-maven-central" {:url "https://maven-central-asia.storage-download.googleapis.com/maven2/"}

  ;; Community mirror
  "clojars-china-mirror" {:url "https://mirrors.tuna.tsinghua.edu.cn/clojars/"}

  ;; CDN access to clojars
  "clojars" {:url "https://repo.clojars.org/"}}

Maven local repository

 :mvn/local-repo "m2"

NOTE: using clj -Sforce forces a classpath recompute, deleting the contents of .cpcache

Name		Name	Last commit message	Last commit date
Latest commit History 233 Commits
.github/workflows		.github/workflows
.gitignore		.gitignore
CHANGELOG.org		CHANGELOG.org
README.md		README.md
deps.edn		deps.edn
practicalli-clojure-deps.png		practicalli-clojure-deps.png
rebel_readline.edn		rebel_readline.edn

daksis/clojure-deps-edn

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User level configuration for Clojure CLI tools

Contents

For use with Clojure CLI tools version 1.10.1.697 or above

Install Practicalli clojure-deps-edn

Using Practicalli clojure-deps-edn

Updating Practicalli clojure-deps-edn

Common development tasks

Aliases

Clojure CLI main flag options

REPL terminal UI

REPL with Editor

Remote REPL connection

Alternative REPLs

Clojure Projects

Create new projects from templates

Running projects

Project dependencies

Project analysis

Project packaging

Project Deployment

Formatting

Java Sources

Databases and drivers

Data Inspectors

Portal

Reveal data inspector and visualization tool

Cognitect REBL

Middleware

nREPL

Cognitect REBL with CIDER

Clojure Specification

Unit Testing frameworks

Test runners and Test Coverage tools

Compiling tests before running - automate Ahead of Time compilation

Lint tools

Visualizing project vars and library dependencies

Performance testing

Services

Community activities

Experimental / Alpha Aliases

Library repositories

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