@zsnout/ithkuil/parse/vowel-form.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 { deepFreeze } from "../generate/helpers/deep-freeze.js";
import { insertGlottalStopIntoPossiblyWithWYAlternative } from "../generate/helpers/insert-glottal-stop.js";
import { STANDARD_VOWEL_TABLE } from "../generate/helpers/vowel-table.js";
import { WithWYAlternative } from "../generate/helpers/with-wy-alternative.js";
/** A class representing a vowel form. */
export class VowelForm {
    sequence;
    degree;
    hasGlottalStop;
    static of(text) {
        let hasGlottalStop = text.includes("'");
        text = text.replace(/'/g, "");
        if (text[0] == text[1]) {
            return VOWEL_FORM_TO_OBJECT_MAP[text[0]]?.withGlottalStop(hasGlottalStop);
        }
        return VOWEL_FORM_TO_OBJECT_MAP[text]?.withGlottalStop(hasGlottalStop);
    }
    static parseOrThrow(text) {
        let hasGlottalStop = text.includes("'");
        text = text.replace(/'/g, "");
        if (text[0] == text[1]) {
            return VOWEL_FORM_TO_OBJECT_MAP[text[0]].withGlottalStop(hasGlottalStop);
        }
        if (text in VOWEL_FORM_TO_OBJECT_MAP) {
            return VOWEL_FORM_TO_OBJECT_MAP[text].withGlottalStop(hasGlottalStop);
        }
        throw new Error("Invalid vowel form: " + text + ".");
    }
    constructor(
    /** The sequence of this vowel form. */
    sequence, 
    /** The degree of this vowel form. */
    degree, 
    /** Whether or not this vowel form has a glottal stop. */
    hasGlottalStop = false) {
        this.sequence = sequence;
        this.degree = degree;
        this.hasGlottalStop = hasGlottalStop;
        Object.freeze(this);
    }
    toString(isAtEndOfWord) {
        const form = STANDARD_VOWEL_TABLE[this.sequence][this.degree];
        if (this.hasGlottalStop) {
            return insertGlottalStopIntoPossiblyWithWYAlternative(form, isAtEndOfWord);
        }
        else {
            return form;
        }
    }
    /**
     * Creates a new `VowelForm` identical to this one, but with a glottal stop.
     *
     * @param hasGlottalStop Whether the output `VowelForm` will include a glottal
     *   stop. Defaults to `true`.
     * @returns The new `VowelForm`.
     */
    withGlottalStop(hasGlottalStop = true) {
        return new VowelForm(this.sequence, this.degree, hasGlottalStop);
    }
}
/**
 * An object mapping from all non-glottal-stop-including vowel forms to their
 * corresponding `VowelForm` objects.
 */
export const VOWEL_FORM_TO_OBJECT_MAP = /* @__PURE__ */ deepFreeze({
    ae: /* @__PURE__ */ new VowelForm(1, 0),
    a: /* @__PURE__ */ new VowelForm(1, 1),
    ä: /* @__PURE__ */ new VowelForm(1, 2),
    e: /* @__PURE__ */ new VowelForm(1, 3),
    i: /* @__PURE__ */ new VowelForm(1, 4),
    ëi: /* @__PURE__ */ new VowelForm(1, 5),
    ö: /* @__PURE__ */ new VowelForm(1, 6),
    o: /* @__PURE__ */ new VowelForm(1, 7),
    ü: /* @__PURE__ */ new VowelForm(1, 8),
    u: /* @__PURE__ */ new VowelForm(1, 9),
    ea: /* @__PURE__ */ new VowelForm(2, 0),
    ai: /* @__PURE__ */ new VowelForm(2, 1),
    au: /* @__PURE__ */ new VowelForm(2, 2),
    ei: /* @__PURE__ */ new VowelForm(2, 3),
    eu: /* @__PURE__ */ new VowelForm(2, 4),
    ëu: /* @__PURE__ */ new VowelForm(2, 5),
    ou: /* @__PURE__ */ new VowelForm(2, 6),
    oi: /* @__PURE__ */ new VowelForm(2, 7),
    iu: /* @__PURE__ */ new VowelForm(2, 8),
    ui: /* @__PURE__ */ new VowelForm(2, 9),
    üo: /* @__PURE__ */ new VowelForm(3, 0),
    ia: /* @__PURE__ */ new VowelForm(3, 1),
    uä: /* @__PURE__ */ new VowelForm(3, 1),
    ie: /* @__PURE__ */ new VowelForm(3, 2),
    uë: /* @__PURE__ */ new VowelForm(3, 2),
    io: /* @__PURE__ */ new VowelForm(3, 3),
    üä: /* @__PURE__ */ new VowelForm(3, 3),
    iö: /* @__PURE__ */ new VowelForm(3, 4),
    üë: /* @__PURE__ */ new VowelForm(3, 4),
    eë: /* @__PURE__ */ new VowelForm(3, 5),
    uö: /* @__PURE__ */ new VowelForm(3, 6),
    öë: /* @__PURE__ */ new VowelForm(3, 6),
    uo: /* @__PURE__ */ new VowelForm(3, 7),
    öä: /* @__PURE__ */ new VowelForm(3, 7),
    ue: /* @__PURE__ */ new VowelForm(3, 8),
    ië: /* @__PURE__ */ new VowelForm(3, 8),
    ua: /* @__PURE__ */ new VowelForm(3, 9),
    iä: /* @__PURE__ */ new VowelForm(3, 9),
    üö: /* @__PURE__ */ new VowelForm(4, 0),
    ao: /* @__PURE__ */ new VowelForm(4, 1),
    aö: /* @__PURE__ */ new VowelForm(4, 2),
    eo: /* @__PURE__ */ new VowelForm(4, 3),
    eö: /* @__PURE__ */ new VowelForm(4, 4),
    oë: /* @__PURE__ */ new VowelForm(4, 5),
    öe: /* @__PURE__ */ new VowelForm(4, 6),
    oe: /* @__PURE__ */ new VowelForm(4, 7),
    öa: /* @__PURE__ */ new VowelForm(4, 8),
    oa: /* @__PURE__ */ new VowelForm(4, 9),
});