@zsnout/ithkuil/parse/referential/single-or-dual.js

A set of tools which can generate and parse romanized Ithkuil text and which can generate Ithkuil script from text and JSON data.

import { parseCase } from "../formative/case.js";
import { singleOrDualReferential } from "../lex/referential/single-or-dual.js";
import { VowelForm } from "../vowel-form.js";
import { parseReferentListAndPerspective } from "./referent-list.js";
/**
 * Builds a single or dual referential.
 *
 * @param word The word to be built.
 * @returns Either a parsed `PartialReferential` indicating a success, or
 *   `undefined` indicating a tokenization failure. Throws if the adjunct was
 *   successfully tokenized but had another error in it (e.g. invalid Vc).
 */
export function buildSingleOrDualReferential(word, stress) {
    const match = singleOrDualReferential.exec(word);
    if (match == null) {
        return;
    }
    const case1 = parseCase(VowelForm.parseOrThrow(match[3]));
    const case2 = match[4] ? parseCase(VowelForm.parseOrThrow(match[4])) : undefined;
    const [referents2, perspective2] = match[5] ?
        parseReferentListAndPerspective(match[5], false)
        : [undefined, undefined];
    const essence = stress == "ultimate" ? "RPV" : undefined;
    if (match[1]) {
        return {
            type: match[1] == "hm" ? "QUO"
                : match[1] == "hn" ? "NAM"
                    : match[1] == "hň" ? "PHR"
                        : "CAR",
            case: case1,
            case2,
            ...(referents2 && { referents2, perspective2 }),
            essence,
        };
    }
    else {
        const [referents, perspective] = parseReferentListAndPerspective(match[2].replace(/ë/g, ""), false);
        return {
            referents,
            perspective,
            case: case1,
            case2,
            ...(referents2 && { referents2, perspective2 }),
            essence,
        };
    }
}