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

Number to text - Inflector for Ukrainian numerals

import { DummySyntaxNode } from "./syntax/node.js";
import { NumeralLexeme } from "./lexeme/numeral/numeral.js";
import { Relation } from "./syntax/relation.js";
import * as ordinals from "./ordinals.js";
import * as cardinals from "./cardinals.js";
export function inflect(whole, numerator, denominator, form, insert_ones = false, strict_range = false) {
    const root = new DummySyntaxNode(form);
    const obj = new DummySyntaxNode();
    build_tree(root, obj, whole, numerator, denominator, insert_ones, strict_range);
    root.agree();
    return root.text();
}
export function build_tree(root, obj, whole, numerator, denominator, insert_ones = false, strict_range = false) {
    // Add a dummy node for the virtual lexeme "частина" as in
    //  1/4 = одна четверта [частина]
    const vroot_part = new DummySyntaxNode(undefined, { gender: "feminine", animacy: "inanimate" });
    root.add_child_node(vroot_part, Relation.amod);
    vroot_part.add_child_node(obj, Relation.nmod);
    ordinals.build_tree(vroot_part, denominator, insert_ones, strict_range);
    cardinals.build_tree(vroot_part, numerator, insert_ones, strict_range);
    fix_puacal(vroot_part);
    if (whole) {
        // Add a dummy node for the virtual lexeme "частина" as in
        //  1 1/4 = одна ціла [частина] одна четверта
        const vroot_whole_parts = new DummySyntaxNode(undefined, { gender: "feminine", animacy: "inanimate" });
        root.add_child_node(vroot_whole_parts, Relation.amod);
        vroot_whole_parts.add_child(NumeralLexeme.misc("whole"), Relation.amod);
        cardinals.build_tree(vroot_whole_parts, whole, insert_ones, strict_range);
        fix_puacal(vroot_whole_parts);
    }
}
function fix_puacal(node) {
    node.edges.forEach((edge) => {
        if (edge.rel === Relation.nummod_govpc) {
            edge.rel = Relation.nummod_govpl;
        }
    });
}