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一套前端设计语言和基于React的实现

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import { __assign, __extends } from "tslib"; import { jsx as _jsx } from "react/jsx-runtime"; import { Component, createRef } from 'react'; import reactCSS from '../helpers/reactcss'; import * as hue from '../helpers/hue'; import { addEventListener } from '../../utils/component/event-handler'; import { runOnceInNextFrame } from '../../utils/nextFrame'; var Hue = (function (_super) { __extends(Hue, _super); function Hue() { var _this = _super !== null && _super.apply(this, arguments) || this; _this.containerRef = createRef(); _this.eventCancelList = []; _this.handleChange = runOnceInNextFrame(function (e, skip) { var change = hue.calculateChange(e, skip, _this.props, _this.containerRef.current); change && _this.props.onChange(change, e); }); _this.handleTouch = function (e) { e.persist(); _this.handleChange(e); }; _this.handleMouseDown = function (e) { e.persist(); _this.handleChange(e, true); _this.eventCancelList.push(addEventListener(window, 'mousemove', _this.handleChange)); _this.eventCancelList.push(addEventListener(window, 'mouseup', _this.handleMouseUp, { passive: true })); }; _this.handleMouseUp = function () { _this.unbindEventListeners(); }; return _this; } Hue.prototype.componentWillUnmount = function () { this.unbindEventListeners(); }; Hue.prototype.unbindEventListeners = function () { this.eventCancelList.forEach(function (cancel) { return cancel(); }); this.eventCancelList = []; }; Hue.prototype.render = function () { var styles = reactCSS({ default: { hue: { absolute: '0px 0px 0px 0px', background: "linear-gradient(to right, #f00 0%, #ff0 17%, #0f0 33%,\n #0ff 50%, #00f 67%, #f0f 83%, #f00 100%)", borderRadius: this.props.radius, boxShadow: this.props.shadow, }, container: { margin: '0 2px', position: 'relative', height: '100%', }, pointer: { position: 'absolute', left: (this.props.hsl.h * 100) / 360 + "%", }, slider: { marginTop: '1px', width: '4px', borderRadius: '1px', height: '8px', boxShadow: '0 0 2px rgba(0, 0, 0, .6)', background: '#fff', transform: 'translateX(-2px)', }, }, vertical: { hue: { background: "linear-gradient(to top, #f00 0%, #ff0 17%, #0f0 33%,\n #0ff 50%, #00f 67%, #f0f 83%, #f00 100%)", }, pointer: { left: '0px', top: -((this.props.hsl.h * 100) / 360) + 100 + "%", }, }, }, { vertical: this.props.direction === 'vertical' }); return (_jsx("div", __assign({ style: styles.hue, className: "hue-area", "data-zv": '10.0.17' }, { children: _jsx("div", __assign({ className: "hue-bar", style: styles.container, ref: this.containerRef, onMouseDown: this.handleMouseDown, onTouchMove: this.handleTouch, onTouchStart: this.handleTouch, "data-zv": '10.0.17' }, { children: _jsx("div", __assign({ style: styles.pointer, "data-zv": '10.0.17' }, { children: this.props.pointer ? (_jsx(this.props.pointer, __assign({}, this.props), void 0)) : (_jsx("div", { style: styles.slider, "data-zv": '10.0.17' }, void 0)) }), void 0) }), void 0) }), void 0)); }; return Hue; }(Component)); export default Hue;