@zsnout/ithkuil/generate/helpers/insert-glottal-stop.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 { ALL_DIPTHONGS } from "./dipthongs.js";
import { has } from "./has.js";
import { WithWYAlternative } from "./with-wy-alternative.js";
/**
 * Inserts a glottal stop into a vowel form.
 *
 * @param vowelForm The vowel form to insert a glottal stop into.
 * @param isAtEndOfWord Whether the finished vowel form will be at the end of a
 *   word.
 * @returns The vowel form with a glottal stop inserted.
 */
export function insertGlottalStop(vowelForm, isAtEndOfWord) {
    if (isAtEndOfWord) {
        if (vowelForm.length == 1) {
            return vowelForm + "'" + vowelForm;
        }
        if (vowelForm.length == 2) {
            return vowelForm[0] + "'" + vowelForm[1];
        }
    }
    else {
        if (vowelForm.length == 1 || has(ALL_DIPTHONGS, vowelForm)) {
            return vowelForm + "'";
        }
        if (vowelForm.length == 2) {
            return vowelForm[0] + "'" + vowelForm[1];
        }
    }
    throw new Error("Vowel forms may only 1 or 2 vowels.");
}
export function insertGlottalStopIntoPossiblyWithWYAlternative(vowelForm, isAtEndOfWord) {
    if (typeof vowelForm == "string") {
        return insertGlottalStop(vowelForm, isAtEndOfWord);
    }
    else {
        return vowelForm.insertGlottalStop(isAtEndOfWord);
    }
}