package ocamlformat

  1. Overview
  2. Docs

Description

ocamlformat is a code formatter for OCaml. It comes with opinionated default settings but is also fully customizable to suit your coding style.

  • Profiles: ocamlformat offers profiles we predefined formatting configurations. Profiles include default, ocamlformat, janestreet.
  • Configurable: Users can change the formatting profile and configure every option in their .ocamlformat configuration file.
  • Format Comments: ocamlformat can format comments, docstrings, and even code blocks in your comments.
  • RPC: ocamlformat provides an RPC server that can be used by other tools to easily format OCaml Code.

Published: 19 Sep 2023

README

ocamlformat

OCaml Code Formatter.

OCaml-CI Build Status

ocamlformat is a code formatter for OCaml. It comes with opinionated default settings but is also fully customizable to suit your coding style.

  • Profiles: ocamlformat offers profiles we predefined formatting configurations. Profiles include default, ocamlformat, janestreet.
  • Configurable: Users can change the formatting profile and configure every option in their .ocamlformat configuration file.
  • Format Comments: ocamlformat can format comments, docstrings, and even code blocks in your comments.
  • RPC: ocamlformat provides an RPC server that can bed used by other tools to easily format OCaml Code.

ocamlformat is part of the OCaml Platform, the recommended set of tools for OCaml.

Getting Started

Installation

To use ocamlformat, you will need OCaml and opam (the OCaml package manager) installed on your system. Visit the OCaml.org installation page for instructions.

With OCaml and opam installed, you can install ocamlformat with:

opam install ocamlformat

Usage

Formatting your code is as easy as running:

ocamlformat file.ml

To configure ocamlformat to your liking, create an .ocamlformat configuration file in your project with settings like:

profile = default
version = 0.26.1

Refer to our documentation or use ocamlformat --help for a full list of configuration options.

To make formatting your code even easier, use the dune build system:

dune fmt

Documentation

The full documentation for ocamlformat, including comprehensive user and API guides, can be found on OCaml.org.

Contributing

Contributing Guide

We wholeheartedly welcome contributors! To start, please read our Contributing Guide to familiarize yourself with our development process, including how to propose and how to start hacking on ocamlformat.

Hacking Guide

In addition to the Contributing Guide, we provide a Hacking Guide for ocamlformat developers. It contains in-depth explanation of development processes, such as running tests, releasing ocamlformat, etc.

Code of Conduct

In order to foster a welcoming and respectful community, ocamlformat has adopted the OCaml Code of Conduct.

Roadmap

Interested in the future of ocamlformat? Take a look at our Roadmap to understand our vision and planned advancements for ocamlformat.

Discussions

For conversations on ongoing development, be sure to visit the ocamlformat section of the OCaml Discuss forum.

License

ocamlformat is distributed under the terms of the MIT License. See the LICENSE file for complete details.

Acknowledgments

We gratefully acknowledge the individuals and organizations that have significantly contributed to ocamlformat.

ocamlformat owes its existance to its initial author, Josh Berdine. We also want to express our appreciation to Hugo Heuzard, Guillaume Petiot, and Jules Aguillon. Their significant contributions have been instrumental to the advancement of ocamlformat.

Moreover, our gratitude extends to Facebook, who fostered the inception of ocamlformat as part of their work on the ReasonML project. Jane Street and Tarides have also provided financial support and contributed to the ongoing development of the project.

Dependencies (5)

  1. re >= "1.10.3"
  2. ocamlformat-lib = version
  3. dune >= "2.8"
  4. cmdliner >= "1.1.0"
  5. ocaml >= "4.08" & < "5.2"

Dev Dependencies (5)

  1. odoc with-doc
  2. ocp-indent with-test & = "1.8.1"
  3. ocamlformat-rpc-lib with-test & = version
  4. dune < "3.22" & with-test
  5. cmdliner with-test & >= "1.2.0"

Used by (93)

  1. ask
  2. ask-integrator
  3. autofonce
  4. autofonce_config
  5. autofonce_core
  6. autofonce_lib
  7. autofonce_m4
  8. autofonce_misc
  9. autofonce_patch
  10. autofonce_share
  11. awsm-codegen
  12. bastet < "2.0.0"
  13. binsec >= "0.8.1" & < "0.11.0"
  14. bitpack_serializer
  15. brisk-reconciler
  16. CamelCase
  17. canary >= "0.0.4"
  18. coap
  19. coap-core
  20. coap-server-lwt
  21. diff
  22. diskuvbox < "0.2.0"
  23. dream-inertia
  24. drom
  25. drom_lib
  26. drom_toml
  27. dump_ocamlformat
  28. dune_deps_extra
  29. ephemeral
  30. ez_cmdliner >= "0.2.0"
  31. ez_config >= "0.2.0"
  32. ez_file >= "0.2.0"
  33. ez_hash < "0.5.3"
  34. ez_opam_file
  35. ez_search
  36. ez_subst
  37. fromager
  38. guardian != "0.1.0"
  39. header-check
  40. html_of_jsx
  41. js_of_ocaml-webgpu >= "0.2"
  42. letters >= "0.2.0" & != "0.3.1"
  43. lunar
  44. melange-fest
  45. melange-fetch >= "0.2.0"
  46. melange-json >= "1.2.0" & < "2.0.0"
  47. melange-radix-icons >= "0.1.0"
  48. melange-str
  49. mlx
  50. module-graph
  51. mqtt
  52. noCanren >= "0.3.0~alpha1"
  53. ocaml-lsp-server < "1.9.0"
  54. ocamlmerlin-mlx >= "0.11"
  55. ocp-search
  56. ocplib_stuff >= "0.3.0"
  57. oktree
  58. opam-bin >= "0.9.5"
  59. opam_bin_lib >= "0.9.5"
  60. owi >= "0.2"
  61. parseff < "0.2.0"
  62. polars
  63. polars_async
  64. ppx_deriving_jsonschema
  65. prelude >= "0.4"
  66. primavera
  67. psmt2-frontend >= "0.3.0"
  68. query-json
  69. quickjs
  70. rea < "0.2.0"
  71. react-rules-of-hooks-ppx
  72. red-black-tree
  73. scope
  74. server-reason-react < "0.4.0"
  75. signal
  76. sihl < "0.1.0"
  77. slipshow < "0.0.33"
  78. slugline
  79. smtml >= "0.10.0" & < "0.24.0"
  80. solidity-alcotest
  81. solidity-common
  82. solidity-parser
  83. solidity-test
  84. solidity-typechecker
  85. spectrum >= "0.7.0"
  86. sqids
  87. styled-ppx
  88. synchronizer
  89. tabr
  90. universal-portal
  91. virtfs
  92. yocaml >= "2.0.0"
  93. zanuda < "1.1.0"

Conflicts

None