oxc/crates/oxc_traverse/scripts/lib/traverse.mjs

import {camelToSnake} from './utils.mjs';

export default function generateTraverseTraitCode(types) {
    const typesArr = Object.values(types);
    typesArr.push({name: 'Statements', rawName: "Vec<'a, Statement<'a>>"});

    let traverseMethods = '';
    for (const type of typesArr) {
        const snakeName = camelToSnake(type.name);
        traverseMethods += `
            #[inline]
            fn enter_${snakeName}(&mut self, node: &mut ${type.rawName}, ctx: &TraverseCtx<'a>) {}
            #[inline]
            fn exit_${snakeName}(&mut self, node: &mut ${type.rawName}, ctx: &TraverseCtx<'a>) {}
        `;
    }

    return `
        use oxc_allocator::Vec;
        #[allow(clippy::wildcard_imports)]
        use oxc_ast::ast::*;

        use crate::TraverseCtx;

        #[allow(unused_variables)]
        pub trait Traverse<'a> {
            ${traverseMethods}
        }
    `;
}