flowtoken-next/dist/components/SmoothText.js


"use strict";
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    if (k2 === undefined) k2 = k;
    var desc = Object.getOwnPropertyDescriptor(m, k);
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}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || (function () {
    var ownKeys = function(o) {
        ownKeys = Object.getOwnPropertyNames || function (o) {
            var ar = [];
            for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
            return ar;
        };
        return ownKeys(o);
    };
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        if (mod && mod.__esModule) return mod;
        var result = {};
        if (mod != null) for (var k = ownKeys(mod), i = 0; i < k.length; i++) if (k[i] !== "default") __createBinding(result, mod, k[i]);
        __setModuleDefault(result, mod);
        return result;
    };
})();
Object.defineProperty(exports, "__esModule", { value: true });
const react_1 = __importStar(require("react"));
const styles_1 = require("../styles");
const SmoothText = ({ incomingText, windowSize, delayMultiplier = 1.1 }) => {
    const [tokens, setTokens] = (0, react_1.useState)([]);
    const [displayedText, setDisplayedText] = (0, react_1.useState)('');
    const [receivedText, setReceivedText] = (0, react_1.useState)(''); // Dummy state to trigger useEffect
    const timerHandles = (0, react_1.useRef)([]);
    const lastTokenTime = (0, react_1.useRef)(performance.now());
    const lastDisplayTime = (0, react_1.useRef)(performance.now());
    const lastScheduledTime = (0, react_1.useRef)(0);
    // Inject styles on component mount
    (0, react_1.useEffect)(() => {
        (0, styles_1.injectStyles)();
    }, []);
    (0, react_1.useEffect)(() => {
        // Update the tokens array with new tokens and their arrival times
        const newTokens = incomingText.slice(receivedText.length).split(' ');
        if (newTokens.length === 0)
            return;
        setReceivedText(incomingText);
        const currentTime = performance.now();
        const additionalTokens = newTokens.map((token, index) => ({
            token,
            timestamp: lastTokenTime.current + (currentTime - lastTokenTime.current) * index / newTokens.length
        }));
        const updatedTokens = [...tokens, ...additionalTokens];
        setTokens(updatedTokens);
        // Calculate the average time interval between the last 'windowSize' tokens
        const relevantTokens = updatedTokens.slice(-windowSize);
        const intervals = relevantTokens.slice(1).map((t, i) => t.timestamp - relevantTokens[i].timestamp);
        const averageInterval = intervals.length > 0 ? intervals.reduce((acc, val) => acc + val, 0) / intervals.length : 1000; // default 1 second
        // Clear previous timers
        // timerHandles.current.forEach(handle => clearTimeout(handle));
        // timerHandles.current = [];
        const timeSinceLastDisplay = currentTime - lastScheduledTime.current;
        // Schedule each new token for display
        additionalTokens.forEach((tokenInfo, index) => {
            const delay = Math.max(0, (index + 1) * averageInterval - timeSinceLastDisplay / delayMultiplier) * delayMultiplier;
            // console.log('Delay:', delay, 'ms');
            lastScheduledTime.current = Math.max(currentTime + delay, lastScheduledTime.current);
            const handle = setTimeout(() => {
                setDisplayedText(prev => `${prev} ${tokenInfo.token}`);
                lastDisplayTime.current = performance.now();
            }, delay);
            timerHandles.current.push(handle);
        });
        lastTokenTime.current = currentTime;
    }, [incomingText, windowSize]); // Dependencies on incomingText and windowSize
    return (react_1.default.createElement(react_1.default.Fragment, null, displayedText));
};
exports.default = SmoothText;