react-say-fork/lib/createSynthesize.js

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

"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const QueuedUtterance_1 = __importDefault(require("./QueuedUtterance"));
function createSynthesize() {
    let queueWithCurrent = [];
    let running;
    const run = () => __awaiter(this, void 0, void 0, function* () {
        if (running) {
            return;
        }
        running = true;
        try {
            let queuedUtterance;
            while ((queuedUtterance = queueWithCurrent[0])) {
                try {
                    yield queuedUtterance.speak();
                }
                catch (err) {
                    err.message !== 'cancelled' && console.error(err);
                }
                queueWithCurrent = queueWithCurrent.filter((target) => target !== queuedUtterance);
            }
        }
        finally {
            running = false;
        }
    });
    return (ponyfill, utterance, { onEnd, onError, onStart } = {}) => {
        if (!(utterance instanceof ponyfill.SpeechSynthesisUtterance)) {
            throw new Error('utterance must be instance of the ponyfill');
        }
        const queuedUtterance = new QueuedUtterance_1.default(ponyfill, utterance, {
            onEnd,
            onError,
            onStart,
        });
        queueWithCurrent = [...queueWithCurrent, queuedUtterance];
        run();
        return {
            cancel: () => queuedUtterance.cancel(),
            promise: queuedUtterance.promise,
        };
    };
}
exports.default = createSynthesize;