🛰 code-minimap

A high performance code minimap render.

This tool is for generating text minimaps at 🚀 speed. You can use it to implement IDE-like minimap plugin for a terminal text editor, minimap.vim for example.

Features

• Small and fast (see benchmarks below).
• Little constant memory usage.
• Freely zoom.
• Multi platforms support.

Usage

$ code-minimap src/core.rs -H 0.6 -V 0.5
⣿⣿⣿⣿⣿⠿⠛⠓⠒⠒⠂
⣉⣿⣿⣿⣟⣛⣛⣛⠒⠒⠂
⠀⠉⣿⣿⣿⣿⠭⠭⠭⠭⠤⠤⠤⠤⠤
⠀⠉⠛⠻⢿⣿⣿⣿⣿⣶⣶⣶⣒⣒⣒⣒⣒⣒⣀⣀⣀⣀⣀⣀⣀⣀⣀⡀
⠀⣀⣶⣾⣿⣿⣿⣿⣭⣭⣭⣤⣤⣤⣤⣤⠤⠤⠤⠤⠤
⣿⣿⣿⣶⡒⠒⠒⠒
⣿⣿⣶⣶⣶⣶⣶⣶⣤⣤⣤⣤⣤⣤⣤⣤⣄
⣭⣭⣭⣭⠭⠭⠭⠭⠉⠉⠉⠉⠉⠉⠉⠉⠉⠉⠉⠉⠉⠉⠉⠉⠉⠉⠉⠉⠉⠉⠉⠉
⣿⣿⣿⣿⣧⣤⣤⣤⣀⣀⣀⣀⣀⣀⣀⣀⣀⣀⣀⣀⣀⣀⡀
⣛⣿⣿⣿⣟⣛⣒⣒⠂
⣀⣛⣛⣛⣛⣛⣛⣛⣛⣛⣛⣛⣛⣛⣛⣛⣋⣀⣀⣀⣀⣀⣀⣀⣀⣀⣀⣀⣀⣀⣀⣀⣀⣀⣀⡀
⠀⣤⣭⣽⣿⣷⣶⣶⣶⠶⠶⠶⠶⠶⠶⠶⠶⠶⠶⠶⠶⠒⠒⠒⠒⠒
⠀⠶⠿⠿⠿⠿⠿⠿⠿⠿⠿⠿⠿⠿⠿⠿⠿⠛⠓⠒⠒⠒⠒⠒
⣉⣛⣛⣛⣛⣛⣛⣛⣛⣛⣛⣛⡛⠛⠛⠛⠛
⠒⣶⣶⣶⣶⣶⣶⣶⣶⣶⣶⣤⣤⣤⣤⣤⣤⣤⣤⣤⣤⣤⣤⣤⣤⣤⣤⣤⣤⣤⣤⣤⣤⣤⡄
⠀⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⡇
⠄⠛⠛⠛⠛⠛⠛⠛⠛⠛⠛⠛⠛⠛⠛⠛⠛⠛⠛⠛⠛⠛⠛⠛⠛⠛⠛⠛⠛⠛⠛⠛⠛⠛⠃

Run code-minimap --help to view detailed usage.

Installation

On Arch Linux

code-minimap is available in the Arch User Repository. To install it from AUR:

yay -S code-minimap

On macOS

You can install code-minimap with Homebrew:

brew tap wfxr/code-minimap
brew install code-minimap

From binaries

Prebuilt versions of code-minimap for various architectures are available at Github release page.

Note that you can try the musl version (which is statically-linked) if runs into dependency related errors.

From source

code-minimap is also published on crates.io. If you have Rust toolchains (1.40 or above) installed you can use cargo to install it from source:

cargo install --locked code-minimap

If you want the latest version, clone this repository and run cargo build --release.

Benchmark

• src/core.rs:

$ hyperfine -w 10 'code-minimap src/core.rs'
Benchmark #1: code-minimap src/core.rs
  Time (mean ± σ):       0.2 ms ±   0.1 ms    [User: 0.4 ms, System: 0.3 ms]
  Range (min … max):     0.2 ms …   1.1 ms    1560 runs

79 lines, 4K size, 0.2ms.

• all rust code from rust-1.46.0:

$ fd -t f -e rs -x cat "{}" >> /tmp/all-in-one.rs
$ hyperfine -w 10 'code-minimap /tmp/all-in-one.rs'
Benchmark #1: code-minimap /tmp/all-in-one.rs
  Time (mean ± σ):     322.7 ms ±   4.5 ms    [User: 298.7 ms, System: 23.8 ms]
  Range (min … max):   318.5 ms … 334.1 ms    10 runs

1,153,225 lines, 37M size, 323ms.

• huge random file:

$ base64 /dev/urandom | head -10000000 > huge.txt
$ hyperfine -w 1 'code-minimap huge.txt'
Benchmark #1: code-minimap huge.txt
  Time (mean ± σ):      2.941 s ±  0.034 s    [User: 2.618 s, System: 0.321 s]
  Range (min … max):    2.919 s …  3.028 s    10 runs

10,000,000 lines, 735M size, 2.9s.

Test environment:

Binary version: 0.3.0
OS: Arch Linux x86_64
Kernel: 5.8.10-arch1-1
CPU: Intel i9-9900K (16) @ 5.000GHz

Related Project

minimap.vim: Blazing fast minimap for vim.

License

code-minimap is distributed under the terms of both the MIT License and the Apache License 2.0.

See the LICENSE-APACHE and LICENSE-MIT files for license details.