https://github.com/wasm-fmt/clang-format

A WASM Based Clang Format | C / C++ / C# / Objective-C / Java / Protobuf
https://github.com/wasm-fmt/clang-format

clang-format formatter formatting wasm web webassembly

Last synced: 3 months ago
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A WASM Based Clang Format | C / C++ / C# / Objective-C / Java / Protobuf

• Host: GitHub
• URL: https://github.com/wasm-fmt/clang-format
• Owner: wasm-fmt
• License: mit
• Created: 2023-08-13T02:42:01.000Z (over 1 year ago)
• Default Branch: main
• Last Pushed: 2024-10-30T11:30:44.000Z (3 months ago)
• Last Synced: 2024-11-06T17:09:37.776Z (3 months ago)
• Topics: clang-format, formatter, formatting, wasm, web, webassembly
• Language: C++
• Homepage:
• Size: 2.18 MB
• Stars: 11
• Watchers: 1
• Forks: 3
• Open Issues: 3
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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# Install

[![npm](https://img.shields.io/npm/v/@wasm-fmt/clang-format?color=f34b7d)](https://www.npmjs.com/package/@wasm-fmt/clang-format)

```bash

npm install @wasm-fmt/clang-format

```

[![jsr.io](https://jsr.io/badges/@fmt/clang-format?color=f34b7d)](https://jsr.io/@fmt/clang-format)

```bash

npx jsr add @fmt/clang-format

```

# Usage

## CLI

This repository contains two executable files, namely clang-format and git-clang-format.

For more information, please refer to https://clang.llvm.org/docs/ClangFormat.html

## API

```JavaScript

import init, { format } from "@wasm-fmt/clang-format";

await init();

const source = `

#include 

using namespace std;

auto main() -> int{

std::cout << "Hello World!" << std::endl;

return 0;}

`;

// JSON representation of Clang-Format Style Options

const config = JSON.stringify({

  BasedOnStyle: "Chromium",

  IndentWidth: 4,

  ColumnLimit: 80,

});

// or YAML representation of Clang-Format Style Options which is used in `.clang-format` file

const config2 = `---

BasedOnStyle: Chromium

IndentWidth: 4

ColumnLimit: 80

...

`;

// or the preset name

const config3 = "Chromium";

const formatted = format(

    source,

    "main.cc",

    config,

);

console.log(formatted);

```

The third argument of `format` is a Clang-Format Style Options, which can be one of the following:

1. A preset: LLVM, GNU, Google, Chromium, Microsoft, Mozilla, WebKit.

2. A YAML/JSON string representing the style options.

3. the string content of a `.clang-format` file.

See [Clang-Format Style Options](https://clang.llvm.org/docs/ClangFormatStyleOptions.html) for more information.

# Build from source

1. Install [LLVM](https://llvm.org/docs/GettingStarted.html) and [Clang](https://clang.llvm.org/get_started.html) (version 18 or later).

2. Install [CMake](https://cmake.org/download/) (version 3.27 or later).

3. Install [Ninja](https://ninja-build.org/) (version 1.11 or later).

4. Clone this repository.

5. Run scripts/build.sh.