@lobehub/ui
Version:
Lobe UI is an open-source UI component library for building AIGC web apps
314 lines (308 loc) • 15.7 kB
JavaScript
'use client';
function _typeof(o) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) { return typeof o; } : function (o) { return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o; }, _typeof(o); }
var _excluded = ["sentences", "as", "typingSpeed", "initialDelay", "pauseDuration", "deletingSpeed", "deletePauseDuration", "loop", "className", "color", "showCursor", "hideCursorWhileTyping", "cursorCharacter", "cursorClassName", "cursorColor", "cursorBlinkDuration", "cursorFade", "cursorStyle", "textColors", "variableSpeed", "onSentenceComplete", "startOnVisible", "reverseMode", "segmentMode"];
function ownKeys(e, r) { var t = Object.keys(e); if (Object.getOwnPropertySymbols) { var o = Object.getOwnPropertySymbols(e); r && (o = o.filter(function (r) { return Object.getOwnPropertyDescriptor(e, r).enumerable; })), t.push.apply(t, o); } return t; }
function _objectSpread(e) { for (var r = 1; r < arguments.length; r++) { var t = null != arguments[r] ? arguments[r] : {}; r % 2 ? ownKeys(Object(t), !0).forEach(function (r) { _defineProperty(e, r, t[r]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(e, Object.getOwnPropertyDescriptors(t)) : ownKeys(Object(t)).forEach(function (r) { Object.defineProperty(e, r, Object.getOwnPropertyDescriptor(t, r)); }); } return e; }
function _defineProperty(obj, key, value) { key = _toPropertyKey(key); if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
function _toPropertyKey(t) { var i = _toPrimitive(t, "string"); return "symbol" == _typeof(i) ? i : String(i); }
function _toPrimitive(t, r) { if ("object" != _typeof(t) || !t) return t; var e = t[Symbol.toPrimitive]; if (void 0 !== e) { var i = e.call(t, r || "default"); if ("object" != _typeof(i)) return i; throw new TypeError("@@toPrimitive must return a primitive value."); } return ("string" === r ? String : Number)(t); }
function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); }
function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i]; return arr2; }
function _iterableToArrayLimit(r, l) { var t = null == r ? null : "undefined" != typeof Symbol && r[Symbol.iterator] || r["@@iterator"]; if (null != t) { var e, n, i, u, a = [], f = !0, o = !1; try { if (i = (t = t.call(r)).next, 0 === l) { if (Object(t) !== t) return; f = !1; } else for (; !(f = (e = i.call(t)).done) && (a.push(e.value), a.length !== l); f = !0); } catch (r) { o = !0, n = r; } finally { try { if (!f && null != t.return && (u = t.return(), Object(u) !== u)) return; } finally { if (o) throw n; } } return a; } }
function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }
function _objectWithoutProperties(source, excluded) { if (source == null) return {}; var target = _objectWithoutPropertiesLoose(source, excluded); var key, i; if (Object.getOwnPropertySymbols) { var sourceSymbolKeys = Object.getOwnPropertySymbols(source); for (i = 0; i < sourceSymbolKeys.length; i++) { key = sourceSymbolKeys[i]; if (excluded.indexOf(key) >= 0) continue; if (!Object.prototype.propertyIsEnumerable.call(source, key)) continue; target[key] = source[key]; } } return target; }
function _objectWithoutPropertiesLoose(source, excluded) { if (source == null) return {}; var target = {}; var sourceKeys = Object.keys(source); var key, i; for (i = 0; i < sourceKeys.length; i++) { key = sourceKeys[i]; if (excluded.indexOf(key) >= 0) continue; target[key] = source[key]; } return target; }
import { motion } from 'framer-motion';
import { createElement, memo, useCallback, useEffect, useMemo, useRef, useState } from 'react';
import { useStyles } from "./style";
import { jsx as _jsx } from "react/jsx-runtime";
import { Fragment as _Fragment } from "react/jsx-runtime";
import { jsxs as _jsxs } from "react/jsx-runtime";
var TypewriterEffect = /*#__PURE__*/memo(function (_ref) {
var sentences = _ref.sentences,
_ref$as = _ref.as,
Component = _ref$as === void 0 ? 'div' : _ref$as,
_ref$typingSpeed = _ref.typingSpeed,
typingSpeed = _ref$typingSpeed === void 0 ? 100 : _ref$typingSpeed,
_ref$initialDelay = _ref.initialDelay,
initialDelay = _ref$initialDelay === void 0 ? 0 : _ref$initialDelay,
_ref$pauseDuration = _ref.pauseDuration,
pauseDuration = _ref$pauseDuration === void 0 ? 2000 : _ref$pauseDuration,
_ref$deletingSpeed = _ref.deletingSpeed,
deletingSpeed = _ref$deletingSpeed === void 0 ? 50 : _ref$deletingSpeed,
_ref$deletePauseDurat = _ref.deletePauseDuration,
deletePauseDuration = _ref$deletePauseDurat === void 0 ? 0 : _ref$deletePauseDurat,
_ref$loop = _ref.loop,
loop = _ref$loop === void 0 ? true : _ref$loop,
_ref$className = _ref.className,
className = _ref$className === void 0 ? '' : _ref$className,
color = _ref.color,
_ref$showCursor = _ref.showCursor,
showCursor = _ref$showCursor === void 0 ? true : _ref$showCursor,
_ref$hideCursorWhileT = _ref.hideCursorWhileTyping,
hideCursorWhileTyping = _ref$hideCursorWhileT === void 0 ? false : _ref$hideCursorWhileT,
cursorCharacter = _ref.cursorCharacter,
_ref$cursorClassName = _ref.cursorClassName,
cursorClassName = _ref$cursorClassName === void 0 ? '' : _ref$cursorClassName,
cursorColor = _ref.cursorColor,
_ref$cursorBlinkDurat = _ref.cursorBlinkDuration,
cursorBlinkDuration = _ref$cursorBlinkDurat === void 0 ? 0.8 : _ref$cursorBlinkDurat,
_ref$cursorFade = _ref.cursorFade,
cursorFade = _ref$cursorFade === void 0 ? true : _ref$cursorFade,
_ref$cursorStyle = _ref.cursorStyle,
cursorStyle = _ref$cursorStyle === void 0 ? 'pipe' : _ref$cursorStyle,
_ref$textColors = _ref.textColors,
textColors = _ref$textColors === void 0 ? [] : _ref$textColors,
variableSpeed = _ref.variableSpeed,
onSentenceComplete = _ref.onSentenceComplete,
_ref$startOnVisible = _ref.startOnVisible,
startOnVisible = _ref$startOnVisible === void 0 ? false : _ref$startOnVisible,
_ref$reverseMode = _ref.reverseMode,
reverseMode = _ref$reverseMode === void 0 ? false : _ref$reverseMode,
_ref$segmentMode = _ref.segmentMode,
segmentMode = _ref$segmentMode === void 0 ? 'grapheme' : _ref$segmentMode,
props = _objectWithoutProperties(_ref, _excluded);
var _useStyles = useStyles(),
styles = _useStyles.styles,
cx = _useStyles.cx;
var _useState = useState(''),
_useState2 = _slicedToArray(_useState, 2),
displayedText = _useState2[0],
setDisplayedText = _useState2[1];
var _useState3 = useState(0),
_useState4 = _slicedToArray(_useState3, 2),
currentCharIndex = _useState4[0],
setCurrentCharIndex = _useState4[1];
var _useState5 = useState(false),
_useState6 = _slicedToArray(_useState5, 2),
isDeleting = _useState6[0],
setIsDeleting = _useState6[1];
var _useState7 = useState(0),
_useState8 = _slicedToArray(_useState7, 2),
currentTextIndex = _useState8[0],
setCurrentTextIndex = _useState8[1];
var _useState9 = useState(!startOnVisible),
_useState10 = _slicedToArray(_useState9, 2),
isVisible = _useState10[0],
setIsVisible = _useState10[1];
var _useState11 = useState(false),
_useState12 = _slicedToArray(_useState11, 2),
isDeletePausing = _useState12[0],
setIsDeletePausing = _useState12[1];
var containerRef = useRef(null);
var textArray = useMemo(function () {
return Array.isArray(sentences) ? sentences : [sentences];
}, [sentences]);
// Helper function to split text based on segment mode
var splitText = useCallback(function (text) {
// Use Intl.Segmenter if available
if (typeof Intl !== 'undefined' && 'Segmenter' in Intl) {
var segmenter = new Intl.Segmenter(undefined, {
granularity: segmentMode
});
return Array.from(segmenter.segment(text), function (segment) {
return segment.segment;
});
}
// Fallback when Intl.Segmenter is not available
if (segmentMode === 'word') {
// Simple word splitting fallback
return text.split(/(\s+)/).filter(Boolean);
}
// Grapheme fallback
return Array.from(text);
}, [segmentMode]);
var getRandomSpeed = useCallback(function () {
if (!variableSpeed) return typingSpeed;
var min = variableSpeed.min,
max = variableSpeed.max;
return Math.random() * (max - min) + min;
}, [variableSpeed, typingSpeed]);
var getCurrentTextColor = function getCurrentTextColor() {
if (textColors.length > 0) {
return textColors[currentTextIndex % textColors.length];
}
return color;
};
var getCurrentCursorColor = function getCurrentCursorColor() {
return cursorColor || color;
};
useEffect(function () {
if (!startOnVisible || !containerRef.current) return;
var observer = new IntersectionObserver(function (entries) {
entries.forEach(function (entry) {
if (entry.isIntersecting) {
setIsVisible(true);
}
});
}, {
threshold: 0.1
});
observer.observe(containerRef.current);
return function () {
return observer.disconnect();
};
}, [startOnVisible]);
useEffect(function () {
if (!isVisible) return;
var timeout;
var currentText = textArray[currentTextIndex];
// Split text based on segment mode
var textSegments = splitText(currentText);
var processedText = reverseMode ? textSegments.reverse().join('') : currentText;
// Handle delete pause state
if (isDeletePausing) {
timeout = setTimeout(function () {
setIsDeletePausing(false);
}, deletePauseDuration);
return function () {
return clearTimeout(timeout);
};
}
var executeTypingAnimation = function executeTypingAnimation() {
if (isDeleting) {
if (displayedText === '') {
setIsDeleting(false);
if (currentTextIndex === textArray.length - 1 && !loop) {
return;
}
if (onSentenceComplete) {
onSentenceComplete(textArray[currentTextIndex], currentTextIndex);
}
setCurrentTextIndex(function (prev) {
return (prev + 1) % textArray.length;
});
setCurrentCharIndex(0);
if (deletePauseDuration > 0) {
setIsDeletePausing(true);
return;
}
} else {
timeout = setTimeout(function () {
setDisplayedText(function (prev) {
var segments = splitText(prev);
return segments.slice(0, -1).join('');
});
}, deletingSpeed);
}
} else {
var processedSegments = splitText(processedText);
if (currentCharIndex < processedSegments.length) {
timeout = setTimeout(function () {
setDisplayedText(function (prev) {
return prev + processedSegments[currentCharIndex];
});
setCurrentCharIndex(function (prev) {
return prev + 1;
});
}, variableSpeed ? getRandomSpeed() : typingSpeed);
} else if (textArray.length >= 1) {
if (!loop && currentTextIndex === textArray.length - 1) return;
timeout = setTimeout(function () {
setIsDeleting(true);
}, pauseDuration);
}
}
};
if (currentCharIndex === 0 && !isDeleting && displayedText === '') {
timeout = setTimeout(executeTypingAnimation, initialDelay);
} else {
executeTypingAnimation();
}
return function () {
return clearTimeout(timeout);
};
}, [currentCharIndex, displayedText, isDeleting, isDeletePausing, typingSpeed, deletingSpeed, deletePauseDuration, pauseDuration, textArray, currentTextIndex, loop, initialDelay, isVisible, reverseMode, variableSpeed, onSentenceComplete, getRandomSpeed, splitText]);
var getCursorStyle = function getCursorStyle() {
if (cursorCharacter) return styles.cursorCustom;
switch (cursorStyle) {
case 'block':
{
return styles.cursorBlock;
}
case 'dot':
{
return styles.cursorDot;
}
case 'underscore':
{
return styles.cursorUnderscore;
}
case 'pipe':
{
return styles.cursor;
}
}
};
var currentTextLength = splitText(textArray[currentTextIndex]).length;
var isTyping = currentCharIndex < currentTextLength && !isDeleting;
var isAfterTyping = currentCharIndex === currentTextLength && !isDeleting;
var shouldHideCursor = function () {
if (hideCursorWhileTyping === true) return true; // 完全隐藏
if (hideCursorWhileTyping === 'typing') return isTyping || isDeleting; // 打字和删除时隐藏
if (hideCursorWhileTyping === 'afterTyping') return isAfterTyping; // 打字完成后隐藏
return false;
}();
var textColor = getCurrentTextColor();
var finalCursorColor = getCurrentCursorColor();
// Split displayed text for animation
var characters = splitText(displayedText);
return /*#__PURE__*/createElement(Component, _objectSpread({
className: cx(styles.container, className),
ref: containerRef
}, props), /*#__PURE__*/_jsxs(_Fragment, {
children: [/*#__PURE__*/_jsx("span", {
className: styles.text,
style: textColor ? {
color: textColor
} : undefined,
children: characters.map(function (char, index) {
return /*#__PURE__*/_jsx(motion.span, {
animate: {
opacity: 1
},
initial: {
opacity: 0
},
style: {
display: 'inline-block'
},
transition: {
duration: typingSpeed / 500,
ease: 'easeInOut'
},
children: char === ' ' ? "\xA0" : char
}, "".concat(currentTextIndex, "-").concat(index));
})
}), showCursor && (cursorFade ? /*#__PURE__*/_jsx(motion.span, {
animate: {
opacity: shouldHideCursor ? 0 : 1
},
className: cx(getCursorStyle(), cursorClassName),
initial: {
opacity: 0
},
style: finalCursorColor ? {
backgroundColor: finalCursorColor
} : undefined,
transition: {
duration: shouldHideCursor ? 0.2 : cursorBlinkDuration,
ease: 'easeInOut',
repeat: shouldHideCursor ? 0 : Number.POSITIVE_INFINITY,
repeatType: 'reverse'
},
children: cursorCharacter
}) : /*#__PURE__*/_jsx("span", {
className: cx(getCursorStyle(), cursorClassName),
style: {
backgroundColor: finalCursorColor,
opacity: shouldHideCursor ? 0 : 1
},
children: cursorCharacter
}))]
}));
});
TypewriterEffect.displayName = 'TypewriterEffect';
export default TypewriterEffect;