kappe/src/lib.rs

pub mod ast;
pub mod compiler;
pub mod error;
pub mod lexer;
pub mod parser;
pub mod token;

use wasm_bindgen::prelude::*;

#[wasm_bindgen]
pub fn compile(input: &str) -> String {
    let tokens = match lexer::scan(&input) {
        Ok(tokens) => tokens,
        Err(e) => return e.message,
    };
    let select = match parser::parse(tokens) {
        Ok(select) => select,
        Err(e) => return e.message,
    };
    let query = match compiler::compile(select) {
        Ok(query) => query,
        Err(e) => return e.message,
    };

    format!(
        "GET /{}/_search\n{}",
        query.source.name,
        serde_json::to_string_pretty(&query.body).unwrap()
    )
}