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fossdd d4bd5b3766 The item `fmt` was imported redundantly
Fixed warning:

```
warning: the item `fmt` is imported redundantly
  --> helix-core/src/syntax.rs:98:9
   |
16 |     fmt,
   |     --- the item `fmt` is already imported here
...
98 |     use std::fmt;
   |         ^^^^^^^^
   |
```
3 years ago
.github action: copy grammar libraries to runtime 3 years ago
book Added change_case command (#441) 3 years ago
contrib Move themes to runtime/themes, add link from contrib/themes 3 years ago
docs Update architecture.md 4 years ago
helix-core The item `fmt` was imported redundantly 3 years ago
helix-lsp Added option to provide a custom config file to the lsp. (#460) 3 years ago
helix-syntax Build ts/tsx again, refactor collect_tree_sitter_dirs 3 years ago
helix-term Resume last picker 3 years ago
helix-tui Calculate completion popup sizing 3 years ago
helix-view Fix typo 3 years ago
runtime Update dark_plus.toml 3 years ago
.envrc build(nix): use nix-cargo-integration, make shell.nix use flake devshell 3 years ago
.gitignore Dynamically load grammar libraries at runtime 3 years ago
.gitmodules Add latex 3 years ago
CHANGELOG.md Release 0.3.0 3 years ago
Cargo.lock Bump tokio from 1.8.1 to 1.8.2 3 years ago
Cargo.toml Inline tui as helix-tui fork. 4 years ago
LICENSE Add the LICENSE file. 4 years ago
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TODO.md minor: Remove old TODOs 3 years ago
flake.lock build(nix): fetch submodules lazily 3 years ago
flake.nix nix: Set up cargo-tarpaulin 3 years ago
languages.toml Fixes toggle_comment not finding the correct language comment token 3 years ago
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shell.nix build(nix): use nix-cargo-integration, make shell.nix use flake devshell 3 years ago
theme.toml Fix number highlighting 3 years ago

README.md

Helix

Build status

Screenshot

A kakoune / neovim inspired editor, written in Rust.

The editing model is very heavily based on kakoune; during development I found myself agreeing with most of kakoune's design decisions.

For more information, see the website or documentation.

All shortcuts/keymaps can be found in the documentation on the website

Features

  • Vim-like modal editing
  • Multiple selections
  • Built-in language server support
  • Smart, incremental syntax highlighting and code editing via tree-sitter

It's a terminal-based editor first, but I'd like to explore a custom renderer (similar to emacs) in wgpu or skulpin.

Installation

Note: Only certain languages have indentation definitions at the moment. Check runtime/<lang>/ for indents.toml.

We provide packaging for various distributions, but here's a quick method to build from source.

git clone --recurse-submodules --shallow-submodules -j8 https://github.com/helix-editor/helix
cd helix
cargo install --path helix-term

This will install the hx binary to $HOME/.cargo/bin.

Helix also needs it's runtime files so make sure to copy/symlink the runtime/ directory into the config directory (for example ~/.config/helix/runtime on Linux/macOS). This location can be overriden via the HELIX_RUNTIME environment variable.

Packages already solve this for you by wrapping the hx binary with a wrapper that sets the variable to the install dir.

NOTE: running via cargo also doesn't require setting explicit HELIX_RUNTIME path, it will automatically detect the runtime directory in the project root.

Alternatively, if you want to embed the runtime/ directory into the Helix binary you can build it with:

cargo install --path helix-term --features "embed_runtime"

Packaging status

MacOS

Helix can be installed on MacOS through homebrew via:

brew tap helix-editor/helix
brew install helix

Contributing

Contributors are very welcome! No contribution is too small and all contributions are valued.

Some suggestions to get started:

  • You can look at the good first issue label on the issue tracker.
  • Help with packaging on various distributions needed!
  • To use print debugging to the ~/.cache/helix/helix.log file, you must:
    • Print using log::info!, warn!, or error!. (log::info!("helix!"))
    • Pass the appropriate verbosity level option for the desired log level. (hx -v <file> for info, more vs for higher severity inclusive)
  • If your preferred language is missing, integrating a tree-sitter grammar for it and defining syntax highlight queries for it is straight forward and doesn't require much knowledge of the internals.

We provide an architecture.md that should give you a good overview of the internals.

Getting help

Discuss the project on the community Matrix Space (make sure to join #helix-editor:matrix.org if you're on a client that doesn't support Matrix Spaces yet).