react-say-fork/lib/createNativeUtterance.js

# Goal and TODOs * Add Typescript support * Make compononents style-customizable

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
function createNativeUtterance({ speechSynthesis, SpeechSynthesisUtterance }, { lang, onBoundary, pitch, rate, text, voice, volume }) {
    const utterance = new SpeechSynthesisUtterance(text);
    let targetVoice;
    if (typeof voice === 'function') {
        targetVoice = voice.call(speechSynthesis, speechSynthesis.getVoices());
    }
    else {
        const { voiceURI } = voice || {};
        targetVoice =
            voiceURI &&
                [].find.call([].slice.call(speechSynthesis.getVoices()), (v) => v.voiceURI === voiceURI);
    }
    utterance.lang = lang || '';
    if (pitch || pitch === 0) {
        utterance.pitch = pitch;
    }
    if (rate || rate === 0) {
        utterance.rate = rate;
    }
    if (targetVoice) {
        utterance.voice = targetVoice;
    }
    if (volume || volume === 0) {
        utterance.volume = volume;
    }
    onBoundary && (utterance === null || utterance === void 0 ? void 0 : utterance.addEventListener('boundary', onBoundary));
    return utterance;
}
exports.default = createNativeUtterance;