@nutui/nutui-react-taro
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京东风格的轻量级移动端 React 组件库，支持一套代码生成 H5 和小程序
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JavaScript
import { _ as _define_property } from "@swc/helpers/_/_define_property";
import { _ as _object_spread } from "@swc/helpers/_/_object_spread";
import { _ as _object_spread_props } from "@swc/helpers/_/_object_spread_props";
import { _ as _object_without_properties } from "@swc/helpers/_/_object_without_properties";
import { _ as _sliced_to_array } from "@swc/helpers/_/_sliced_to_array";
import React, { useEffect, useRef, useState } from "react";
import classNames from "classnames";
import Taro from "@tarojs/taro";
import { View } from "@tarojs/components";
import pxTransform from "../../utils/px-transform";
import { ComponentDefaults } from "../../utils/typings";
import { useRtl } from "../configprovider/index";
import useUuid from "../../hooks/use-uuid";
import { harmony, web } from "../../utils/platform-taro";
var defaultProps = _object_spread_props(_object_spread({}, ComponentDefaults), {
percent: 0,
showText: false,
animated: false,
lazy: false,
delay: 0
});
export var Progress = function(props) {
var rtl = useRtl();
var _ref = _object_spread({}, defaultProps, props), className = _ref.className, style = _ref.style, percent = _ref.percent, background = _ref.background, color = _ref.color, strokeWidth = _ref.strokeWidth, showText = _ref.showText, animated = _ref.animated, children = _ref.children, lazy = _ref.lazy, delay = _ref.delay, rest = _object_without_properties(_ref, [
"className",
"style",
"percent",
"background",
"color",
"strokeWidth",
"showText",
"animated",
"children",
"lazy",
"delay"
]);
var classPrefix = 'nut-progress';
var _obj;
var classesInner = classNames((_obj = {}, _define_property(_obj, "".concat(classPrefix, "-inner"), true), _define_property(_obj, "".concat(classPrefix, "-active"), animated), _obj));
var stylesOuter = {
width: '100%',
backgroundColor: background
};
var _useState = _sliced_to_array(useState(percent), 2), displayPercent = _useState[0], setDispalyPercent = _useState[1];
var stylesInner = {
width: "".concat(displayPercent, "%"),
background: color || '#FF0F23'
};
if (strokeWidth) {
stylesOuter.height = pxTransform(Number(strokeWidth));
stylesInner.height = pxTransform(Number(strokeWidth));
}
var handlePercent = function() {
var timer = null;
if (delay) {
setDispalyPercent(0);
timer = setTimeout(function() {
setDispalyPercent(percent);
}, delay);
}
return function() {
lazy && resetObserver();
timer && clearTimeout(timer);
};
};
useEffect(function() {
setDispalyPercent(percent);
}, [
percent
]);
var _useState1 = _sliced_to_array(useState(false), 2), intersecting = _useState1[0], setIntersecting = _useState1[1];
var progressRef = useRef(null);
var webObserver = useRef(null);
var uuid = useUuid();
var selector = "".concat(classPrefix, "-lazy-").concat(uuid);
var resetObserver = function() {
var observer = arguments.length > 0 && arguments[0] !== void 0 ? arguments[0] : null;
if (web()) {
webObserver.current.disconnect && webObserver.current.disconnect();
} else {
observer && observer.disconnect();
}
};
useEffect(function() {
if (lazy) {
setTimeout(function() {
if (intersecting) {
setDispalyPercent(percent);
} else {
setDispalyPercent(0.01);
}
}, delay);
}
}, [
intersecting
]);
var handleWebObserver = function() {
/// web环境
if (lazy) {
webObserver.current = new IntersectionObserver(function(entires, self) {
entires.forEach(function(item) {
setIntersecting(item.isIntersecting);
});
}, {
threshold: [
0
],
rootMargin: '0px'
});
webObserver.current.observe(progressRef.current);
}
handlePercent();
};
var handleOtherObserver = function() {
// 非web环境
var observer = null;
if (lazy) {
observer = Taro.createIntersectionObserver(Taro.getCurrentInstance().page, {
thresholds: [
0
],
observeAll: true
});
observer.relativeToViewport({
top: 0
}).observe("#".concat(selector), function(res) {
setIntersecting(res.intersectionRatio > 0);
});
}
handlePercent();
};
useEffect(function() {
if (web()) {
handleWebObserver();
} else if (!harmony()) {
handleOtherObserver();
}
}, []);
var getTextStyle = function() {
return rtl ? {
right: '100%'
} : {
left: '100%'
};
};
var computeRight = function() {
if (children) {
return 0;
}
if (!harmony()) {
return Math.floor("".concat(percent, "%").length * 9 / 2);
}
return Math.floor(("".concat(percent, "%").length * 9 + 4) / 2);
};
var computeInnerStyle = function() {
var style = {
backgroundColor: color || '#ff0f23'
};
if (harmony()) {
style.width = harmony() ? pxTransform("".concat(percent, "%").length * 9 + 4) : "".concat(percent, "%").length * 9 + 4;
}
return style;
};
return /*#__PURE__*/ React.createElement(View, _object_spread({
ref: progressRef,
id: selector,
className: classNames(classPrefix, className),
style: style
}, rest), /*#__PURE__*/ React.createElement(View, {
className: "".concat(classPrefix, "-outer"),
style: stylesOuter
}, /*#__PURE__*/ React.createElement(View, {
className: classesInner,
style: _object_spread_props(_object_spread({}, stylesInner), {
position: 'relative'
})
}, showText && /*#__PURE__*/ React.createElement(View, {
style: _define_property({
position: 'relative'
}, rtl ? 'left' : 'right', computeRight())
}, /*#__PURE__*/ React.createElement(View, {
className: "".concat(classPrefix, "-text"),
style: _object_spread_props(_object_spread({}, getTextStyle()), {
height: // eslint-disable-next-line no-nested-ternary
harmony() ? pxTransform(strokeWidth ? Number(strokeWidth) + 8 : 18) : strokeWidth ? Number(strokeWidth) + 8 : 18,
position: 'absolute',
top: -(strokeWidth ? (Number(strokeWidth) + 8 - 9) / 2 + 5 : 9)
})
}, children || /*#__PURE__*/ React.createElement(View, {
className: "".concat(classPrefix, "-text-inner"),
style: computeInnerStyle()
}, "".concat(percent, "%")))))));
};
Progress.displayName = 'NutProgress';