@yar.ua/numerals/lib/diagram.js

Number to text - Inflector for Ukrainian numerals

import { toString } from "./grammar.js";
export function to_mermaid(root) {
    const ids = new WeakMap();
    var counter = 0;
    function id(l) {
        if (ids.has(l)) {
            return ids.get(l);
        }
        let newId = `o_${counter++}`;
        ids.set(l, newId);
        return `${newId}["${l.value} ${toString(l.form())}"]`;
    }
    const result = ["graph TD"];
    function build_tree_recursive(root) {
        root.edges.reverse().forEach(edge => {
            const parent = id(edge.parent.lexeme);
            const connection = `--> |${edge.rel}|`;
            const child = id(edge.child.lexeme);
            result.push(`  ${parent} ${connection} ${child}`);
            build_tree_recursive(edge.child);
        });
    }
    build_tree_recursive(root);
    return result.join("\n");
}