# Sejong Buffer
[](https://crates.io/crates/sejong)
[](https://www.npmjs.com/package/sejong-buffer)
[](https://docs.rs/sejong)
[](./LICENSE)
Sejong Buffer is a buffer that receives ASCII bytes from standard English keyboard and sends out UTF-32 Hangul string. This buffer allows deletion by Jamo.
This rust library can be compiled as a WASM library or as part of another rust program.
# USE
## To use as an NPM package
__Do NOT run in a node app, this package can only run in browser__
Install: `npm install sejong-buffer`
In apps that built with webpack:
```js
import('sejong-buffer').then(buffer => {
buffer.put('d');
buffer.put('k');
buffer.put('s');
buffer.put('s');
buffer.put('u');
buffer.put('d');
console.assert(buffer.to_string() === '안녕');
buffer.put('s');
console.assert(buffer.to_string() === '안녕ㄴ');
buffer.pop();
console.assert(buffer.out() === '안녕');
console.assert(buffer.out() === '');
});
```
## To use in Rust program
Install: `cargo install sejong`
```rust
use sejong::{Buffer, Byte};
let mut buf = Buffer::default();
buf.put(Byte::NG as u8);
buf.put(Byte::A as u8);
buf.put(Byte::N as u8);
buf.put(Byte::N as u8);
buf.put(Byte::YEO as u8);
buf.put(Byte::NG as u8);
assert_eq!(buf.to_string(), "안녕");
buf.put(Byte::N as u8);
assert_eq!(buf.to_string(), "안녕ㄴ");
buf.pop();
assert_eq!(buf.out(), "안녕");
assert_eq!(buf.out(), "");
```
# BUILD
## WASM
1. Install [wasm-pack](https://rustwasm.github.io/):
` curl https://rustwasm.github.io/wasm-pack/installer/init.sh -sSf | sh `
2. Build the wasm npm package:
`wasm-pack build --release -- --features wasm`
## rust lib
No additional step. Just use as regular rust library.