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tergo

Why tergo?

There is plenty of formatting libraries for R. Just to name a few:

• styleR
• formatR

Unfortunately, all of them suffer from one major drawback. They are slow. If you care about speed and efficiency of your styling tool, and not so much about the full-blown configurability, you should use tergo. Some use-cases include:

• Save money on your CI infrastructure by checking the style with tergo instead of slow running alternatives. Save tens of hours on your monthly bill!
• You are developing a user interface that needs to style the code for the user to see and other styling libraries don’t cut it in terms of speed and efficiency.

tergo is Faster than Blink of an Eye. First run is more x100 faster or for bigger repositories even x1000 faster than other available solutions.

Yes, tergo is there but it takes less than 0.1 seconds so is not visible!!!

Benchmarking code is available in data-raw/bench.R on Github.

Installation

From Github sources

Requires Rust tooling:

• rustup
• cargo

if (!require(remotes)) {
  install.packages("remotes")
}
remotes::install_github("kpagacz/tergo@latest", subdir = "antidotum/tergo")

From R-Universe

Does not require Rust tooling, because R-Universe builds binaries.

install.packages('tergo', repos = c('https://kpagacz.r-universe.dev', 'https://cloud.r-project.org'))

Usage

See the R manual for the reference.

To style your package, run:

tergo::style()

Configuration

TOML file

tergo reads the configuration from a TOML file (tergo.toml) in your package root. See the library documentation for possible values and their explanation.

As an argument to styling functions

The styling functions accept a configuration argument that lets you modify the styling behaviour without a configuration file.

The keys and the possible values are the same as in the TOML file. See the library documentation for possible values and their explanation.

These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.