react-viewer - npm Package Compare versions

Comparing version 2.5.1 to 2.5.2

dist/index.js

@@ -533,7 +533,11 @@ (function webpackUniversalModuleDefinition(root, factory) {
 	        _this.handleChangeImg = function (newIndex) {
-	            // let imgCenterXY2 = this.getImageCenterXY();
-	            // this.handleZoom(imgCenterXY2.x, imgCenterXY2.y, -1, 1);
-	            // setTimeout(() => {
-	            //   this.loadImg(newIndex);
-	            // }, transitionDuration);
+	            if (newIndex >= _this.props.images.length) {
+	                newIndex = 0;
+	            }
+	            if (newIndex < 0) {
+	                newIndex = _this.props.images.length - 1;
+	            }
+	            if (newIndex === _this.state.activeIndex) {
+	                return;
+	            }
 	            _this.loadImg(newIndex);
@@ -552,10 +556,6 @@ };
 	                case _Icon.ActionType.prev:
-	                    if (_this.state.activeIndex - 1 >= 0) {
-	                        _this.handleChangeImg(_this.state.activeIndex - 1);
-	                    }
+	                    _this.handleChangeImg(_this.state.activeIndex - 1);
 	                    break;
 	                case _Icon.ActionType.next:
-	                    if (_this.state.activeIndex + 1 < _this.props.images.length) {
-	                        _this.handleChangeImg(_this.state.activeIndex + 1);
-	                    }
+	                    _this.handleChangeImg(_this.state.activeIndex + 1);
 	                    break;
@@ -562,0 +562,0 @@ case _Icon.ActionType.zoomIn:

dist/index.min.js

@@ -1,1 +0,1 @@
-!function(e,t){"object"==typeof exports&&"object"==typeof module?module.exports=t(require("react"),require("react-dom")):"function"==typeof define&&define.amd?define(["react","react-dom"],t):"object"==typeof exports?exports["react-viewer"]=t(require("react"),require("react-dom")):e["react-viewer"]=t(e.React,e.ReactDOM)}(this,function(e,t){return function(e){function t(o){if(n[o])return n[o].exports;var i=n[o]={exports:{},id:o,loaded:!1};return e[o].call(i.exports,i,i.exports,t),i.loaded=!0,i.exports}var n={};return t.m=e,t.c=n,t.p="",t(0)}([function(e,t,n){"use strict";function o(e){return e&&e.__esModule?e:{default:e}}Object.defineProperty(t,"__esModule",{value:!0});var i=n(4),r=o(i);t.default=r.default,e.exports=t.default},function(t,n){t.exports=e},function(e,t,n){"use strict";function o(e){if(e&&e.__esModule)return e;var t={};if(null!=e)for(var n in e)Object.prototype.hasOwnProperty.call(e,n)&&(t[n]=e[n]);return t.default=e,t}function i(e,t){for(var n=Object.getOwnPropertyNames(t),o=0;o<n.length;o++){var i=n[o],r=Object.getOwnPropertyDescriptor(t,i);r&&r.configurable&&void 0===e[i]&&Object.defineProperty(e,i,r)}return e}function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}function a(e,t){if(!e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!t||"object"!=typeof t&&"function"!=typeof t?e:t}function s(e,t){if("function"!=typeof t&&null!==t)throw new TypeError("Super expression must either be null or a function, not "+typeof t);e.prototype=Object.create(t&&t.prototype,{constructor:{value:e,enumerable:!1,writable:!0,configurable:!0}}),t&&(Object.setPrototypeOf?Object.setPrototypeOf(e,t):i(e,t))}Object.defineProperty(t,"__esModule",{value:!0}),t.default=t.ActionType=void 0;var c=n(1),l=o(c),p=t.ActionType=void 0;!function(e){e[e.zoomIn=1]="zoomIn",e[e.zoomOut=2]="zoomOut",e[e.prev=3]="prev",e[e.next=4]="next",e[e.rotateLeft=5]="rotateLeft",e[e.rotateRight=6]="rotateRight",e[e.reset=7]="reset",e[e.close=8]="close",e[e.scaleX=9]="scaleX",e[e.scaleY=10]="scaleY",e[e.download=11]="download"}(p||(t.ActionType=p={}));var u=function(e){function t(){return r(this,t),a(this,e.apply(this,arguments))}return s(t,e),t.prototype.render=function(){var e="react-viewer-icon";return l.createElement("i",{className:e+" "+e+"-"+p[this.props.type]})},t}(l.Component);t.default=u},function(e,t,n){"use strict";function o(e){if(e&&e.__esModule)return e;var t={};if(null!=e)for(var n in e)Object.prototype.hasOwnProperty.call(e,n)&&(t[n]=e[n]);return t.default=e,t}function i(e,t){for(var n=Object.getOwnPropertyNames(t),o=0;o<n.length;o++){var i=n[o],r=Object.getOwnPropertyDescriptor(t,i);r&&r.configurable&&void 0===e[i]&&Object.defineProperty(e,i,r)}return e}function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}function a(e,t){if(!e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!t||"object"!=typeof t&&"function"!=typeof t?e:t}function s(e,t){if("function"!=typeof t&&null!==t)throw new TypeError("Super expression must either be null or a function, not "+typeof t);e.prototype=Object.create(t&&t.prototype,{constructor:{value:e,enumerable:!1,writable:!0,configurable:!0}}),t&&(Object.setPrototypeOf?Object.setPrototypeOf(e,t):i(e,t))}Object.defineProperty(t,"__esModule",{value:!0}),t.default=void 0;var c=n(1),l=o(c),p=function(e){function t(){return r(this,t),a(this,e.call(this))}return s(t,e),t.prototype.render=function(){var e="spin spin-spinning";return l.createElement("div",{className:"spin-wrap",style:this.props.style},l.createElement("div",{className:e},l.createElement("div",{className:"spin-dot"})))},t}(l.Component);t.default=p,e.exports=t.default},function(e,t,n){"use strict";function o(e){return e&&e.__esModule?e:{default:e}}function i(e){if(e&&e.__esModule)return e;var t={};if(null!=e)for(var n in e)Object.prototype.hasOwnProperty.call(e,n)&&(t[n]=e[n]);return t.default=e,t}function r(e,t){for(var n=Object.getOwnPropertyNames(t),o=0;o<n.length;o++){var i=n[o],r=Object.getOwnPropertyDescriptor(t,i);r&&r.configurable&&void 0===e[i]&&Object.defineProperty(e,i,r)}return e}function a(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}function s(e,t){if(!e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!t||"object"!=typeof t&&"function"!=typeof t?e:t}function c(e,t){if("function"!=typeof t&&null!==t)throw new TypeError("Super expression must either be null or a function, not "+typeof t);e.prototype=Object.create(t&&t.prototype,{constructor:{value:e,enumerable:!1,writable:!0,configurable:!0}}),t&&(Object.setPrototypeOf?Object.setPrototypeOf(e,t):r(e,t))}Object.defineProperty(t,"__esModule",{value:!0}),t.default=void 0;var l=n(1),p=i(l),u=n(10),h=i(u),f=n(6),d=o(f),v=function(e){function t(){a(this,t);var n=s(this,e.call(this));return n.container=null,n.defaultContainer=document.createElement("div"),n.component=null,n}return c(t,e),t.prototype.renderViewer=function(){if(this.props.visible||this.component){this.container||(this.props.container?this.container=this.props.container:(this.container=this.defaultContainer,document.body.appendChild(this.container)));var e=this;h.unstable_renderSubtreeIntoContainer(this,p.createElement(d.default,this.props),this.container,function(){e.component=this})}},t.prototype.removeViewer=function(){if(this.container){var e=this.container;h.unmountComponentAtNode(e),e.parentNode.removeChild(e),this.container=null,this.component=null}},t.prototype.componentWillUnmount=function(){this.props.visible&&this.props.onClose&&this.props.onClose(),this.removeViewer()},t.prototype.componentWillReceiveProps=function(e){this.props.container!==e.container&&(this.component=null,e.container?(this.container&&document.body.removeChild(this.container),this.container=e.container):(this.container=this.defaultContainer,document.body.appendChild(this.container)))},t.prototype.componentDidMount=function(){this.renderViewer()},t.prototype.componentDidUpdate=function(){this.renderViewer()},t.prototype.render=function(){return null},t}(p.Component);t.default=v,e.exports=t.default},function(e,t,n){"use strict";function o(e){return e&&e.__esModule?e:{default:e}}function i(e){if(e&&e.__esModule)return e;var t={};if(null!=e)for(var n in e)Object.prototype.hasOwnProperty.call(e,n)&&(t[n]=e[n]);return t.default=e,t}function r(e,t){for(var n=Object.getOwnPropertyNames(t),o=0;o<n.length;o++){var i=n[o],r=Object.getOwnPropertyDescriptor(t,i);r&&r.configurable&&void 0===e[i]&&Object.defineProperty(e,i,r)}return e}function a(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}function s(e,t){if(!e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!t||"object"!=typeof t&&"function"!=typeof t?e:t}function c(e,t){if("function"!=typeof t&&null!==t)throw new TypeError("Super expression must either be null or a function, not "+typeof t);e.prototype=Object.create(t&&t.prototype,{constructor:{value:e,enumerable:!1,writable:!0,configurable:!0}}),t&&(Object.setPrototypeOf?Object.setPrototypeOf(e,t):r(e,t))}Object.defineProperty(t,"__esModule",{value:!0}),t.default=void 0;var l=n(1),p=i(l),u=n(3),h=o(u),f=function(e){function t(){a(this,t);var n=s(this,e.call(this));return n.handleResize=function(e){n.props.onResize()},n.handleCanvasMouseDown=function(e){n.props.onCanvasMouseDown(e),n.handleMouseDown(e)},n.handleMouseDown=function(e){n.props.visible&&n.props.drag&&(e.preventDefault(),e.stopPropagation(),n.setState({isMouseDown:!0,mouseX:e.nativeEvent.clientX,mouseY:e.nativeEvent.clientY}))},n.handleMouseMove=function(e){if(n.state.isMouseDown){var t=e.clientX-n.state.mouseX,o=e.clientY-n.state.mouseY;n.setState({mouseX:e.clientX,mouseY:e.clientY}),n.props.onChangeImgState(n.props.width,n.props.height,n.props.top+o,n.props.left+t)}},n.handleMouseUp=function(e){n.setState({isMouseDown:!1})},n.bindEvent=function(e){var t="addEventListener";e&&(t="removeEventListener"),document[t]("click",n.handleMouseUp,!1),document[t]("mousemove",n.handleMouseMove,!1),window[t]("resize",n.handleResize,!1)},n.state={isMouseDown:!1,mouseX:0,mouseY:0},n}return c(t,e),t.prototype.componentDidMount=function(){this.props.drag&&this.bindEvent()},t.prototype.componentWillReceiveProps=function(e){return!this.props.visible&&e.visible&&e.drag?this.bindEvent():this.props.visible&&!e.visible&&(this.handleMouseUp({}),e.drag)?this.bindEvent(!0):this.props.drag&&!e.drag?this.bindEvent(!0):!this.props.drag&&e.drag&&e.visible?this.bindEvent(!0):void 0},t.prototype.componentWillUnmount=function(){this.bindEvent(!0)},t.prototype.render=function(){var e={width:this.props.width+"px",height:this.props.height+"px",transform:"translateX("+(this.props.left?this.props.left+"px":"aoto")+") translateY("+this.props.top+"px)\n      rotate("+this.props.rotate+"deg) scaleX("+this.props.scaleX+") scaleY("+this.props.scaleY+")"},t=this.props.drag?"drag":"";this.state.isMouseDown||(t+=" "+this.props.prefixCls+"-image-transition");var n={zIndex:this.props.zIndex},o=null;return""!==this.props.imgSrc&&(o=p.createElement("img",{className:t,src:this.props.imgSrc,style:e,onMouseDown:this.handleMouseDown})),this.props.loading&&(o=p.createElement("div",{style:{display:"flex",height:"100%",justifyContent:"center",alignItems:"center"}},p.createElement(h.default,null))),p.createElement("div",{className:this.props.prefixCls+"-canvas",onMouseDown:this.handleCanvasMouseDown,style:n},o)},t}(p.Component);t.default=f,e.exports=t.default},function(e,t,n){"use strict";function o(e){return e&&e.__esModule?e:{default:e}}function i(e){if(e&&e.__esModule)return e;var t={};if(null!=e)for(var n in e)Object.prototype.hasOwnProperty.call(e,n)&&(t[n]=e[n]);return t.default=e,t}function r(e,t){for(var n=Object.getOwnPropertyNames(t),o=0;o<n.length;o++){var i=n[o],r=Object.getOwnPropertyDescriptor(t,i);r&&r.configurable&&void 0===e[i]&&Object.defineProperty(e,i,r)}return e}function a(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}function s(e,t){if(!e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!t||"object"!=typeof t&&"function"!=typeof t?e:t}function c(e,t){if("function"!=typeof t&&null!==t)throw new TypeError("Super expression must either be null or a function, not "+typeof t);e.prototype=Object.create(t&&t.prototype,{constructor:{value:e,enumerable:!1,writable:!0,configurable:!0}}),t&&(Object.setPrototypeOf?Object.setPrototypeOf(e,t):r(e,t))}function l(){}Object.defineProperty(t,"__esModule",{value:!0}),t.default=void 0;var p=function(){function e(e,t){var n=[],o=!0,i=!1,r=void 0;try{for(var a,s=e[Symbol.iterator]();!(o=(a=s.next()).done)&&(n.push(a.value),!t||n.length!==t);o=!0);}catch(e){i=!0,r=e}finally{try{!o&&s.return&&s.return()}finally{if(i)throw r}}return n}return function(t,n){if(Array.isArray(t))return t;if(Symbol.iterator in Object(t))return e(t,n);throw new TypeError("Invalid attempt to destructure non-iterable instance")}}(),u=n(1),h=i(u);n(9);var f=n(5),d=o(f),v=n(7),y=o(v),m=n(8),b=o(m),g=n(2),w=o(g),x=300,O=function(e){function t(n){a(this,t);var o=s(this,e.call(this,n));return o.handleClose=function(e){o.props.onClose()},o.handleChangeImg=function(e){o.loadImg(e)},o.handleChangeImgState=function(e,t,n,i){o.setState({width:e,height:t,top:n,left:i})},o.handleDefaultAction=function(e){switch(e){case g.ActionType.prev:o.state.activeIndex-1>=0&&o.handleChangeImg(o.state.activeIndex-1);break;case g.ActionType.next:o.state.activeIndex+1<o.props.images.length&&o.handleChangeImg(o.state.activeIndex+1);break;case g.ActionType.zoomIn:var t=o.getImageCenterXY();o.handleZoom(t.x,t.y,1,o.props.zoomSpeed);break;case g.ActionType.zoomOut:var n=o.getImageCenterXY();o.handleZoom(n.x,n.y,-1,o.props.zoomSpeed);break;case g.ActionType.rotateLeft:o.handleRotate();break;case g.ActionType.rotateRight:o.handleRotate(!0);break;case g.ActionType.reset:o.loadImg(o.state.activeIndex);break;case g.ActionType.scaleX:o.handleScaleX(-1);break;case g.ActionType.scaleY:o.handleScaleY(-1);break;case g.ActionType.download:o.handleDownload()}},o.handleAction=function(e){if(o.handleDefaultAction(e.actionType),e.onClick){var t=o.getActiveImage();e.onClick(t)}},o.handleDownload=function(){var e=o.getActiveImage();e.downloadUrl&&(location.href=e.downloadUrl)},o.handleScaleX=function(e){o.setState({scaleX:o.state.scaleX*e})},o.handleScaleY=function(e){o.setState({scaleY:o.state.scaleY*e})},o.handleScrollZoom=function(e,t,n){o.handleZoom(e,t,n,o.props.zoomSpeed)},o.handleZoom=function(e,t,n,i){var r=o.getImageCenterXY(),a=e-r.x,s=t-r.y,c=!1,l=0,u=0,h=0,f=0,d=0,v=0;if(0===o.state.width){var y=o.getImgWidthHeight(o.state.imageWidth,o.state.imageHeight),m=p(y,2),b=m[0],g=m[1];c=!0,u=(o.containerWidth-b)/2,l=(o.containerHeight-o.footerHeight-g)/2,h=o.state.width+b,f=o.state.height+g,d=v=1}else{var w=o.state.scaleX>0?1:-1,x=o.state.scaleY>0?1:-1;if(d=o.state.scaleX+i*n*w,v=o.state.scaleY+i*n*x,Math.abs(d)<.1||Math.abs(v)<.1)return;l=o.state.top+-n*s/o.state.scaleX*i*w,u=o.state.left+-n*a/o.state.scaleY*i*x,h=o.state.width,f=o.state.height}o.setState({width:h,scaleX:d,scaleY:v,height:f,top:l,left:u,loading:!1})},o.getImageCenterXY=function(){return{x:o.state.left+o.state.width/2,y:o.state.top+o.state.height/2}},o.handleRotate=function(){var e=arguments.length>0&&void 0!==arguments[0]&&arguments[0];o.setState({rotate:o.state.rotate+90*(e?1:-1)})},o.handleResize=function(){if(o.setContainerWidthHeight(),o.props.visible){var e=o.getImgWidthHeight(o.state.imageWidth,o.state.imageHeight),t=p(e,2),n=t[0],i=t[1],r=(o.containerWidth-n)/2,a=(o.containerHeight-i-o.footerHeight)/2;o.setState({width:n,height:i,left:r,top:a,rotate:0,scaleX:1,scaleY:1})}},o.handleKeydown=function(e){var t=e.keyCode||e.which||e.charCode,n=!1;switch(t){case 27:o.props.onClose(),n=!0;break;case 37:e.ctrlKey?o.handleDefaultAction(g.ActionType.rotateLeft):o.handleDefaultAction(g.ActionType.prev),n=!0;break;case 39:e.ctrlKey?o.handleDefaultAction(g.ActionType.rotateRight):o.handleDefaultAction(g.ActionType.next),n=!0;break;case 38:o.handleDefaultAction(g.ActionType.zoomIn),n=!0;break;case 40:o.handleDefaultAction(g.ActionType.zoomOut),n=!0;break;case 49:e.ctrlKey&&(o.loadImg(o.state.activeIndex),n=!0)}n&&e.preventDefault()},o.handleTransitionEnd=function(e){o.state.transitionEnd&&!o.state.visibleStart||o.setState({visibleStart:!1,transitionEnd:!0})},o.handleCanvasMouseDown=function(e){o.props.onMaskClick(e)},o.getActiveImage=function(){var e={src:"",alt:"",downloadUrl:""},t=o.props.images||[];return t.length>0&&o.state.activeIndex>=0&&(e=t[o.state.activeIndex]),e},o.handleMouseScroll=function(e){e.preventDefault();var t=0;if(t=0===e.deltaY?0:e.deltaY>0?-1:1,0!==t){var n=e.clientX,i=e.clientY;if(o.props.container){var r=o.props.container.getBoundingClientRect();n-=r.left,i-=r.top}o.handleScrollZoom(n,i,t)}},o.prefixCls="react-viewer",o.state={visible:!1,visibleStart:!1,transitionEnd:!1,activeIndex:o.props.activeIndex,width:0,height:0,top:15,left:null,rotate:0,imageWidth:0,imageHeight:0,scaleX:1,scaleY:1,loading:!1},o.setContainerWidthHeight(),o.footerHeight=84,o}return c(t,e),t.prototype.setContainerWidthHeight=function(){this.containerWidth=window.innerWidth,this.containerHeight=window.innerHeight,this.props.container&&(this.containerWidth=this.props.container.offsetWidth,this.containerHeight=this.props.container.offsetHeight)},t.prototype.startVisible=function(e){var t=this;this.props.container||(document.body.style.overflow="hidden",document.body.scrollHeight>document.body.clientHeight&&(document.body.style.paddingRight="15px")),this.setState({visibleStart:!0}),setTimeout(function(){t.setState({visible:!0}),setTimeout(function(){t.bindEvent(),t.loadImg(e,!0)},300)},10)},t.prototype.componentDidMount=function(){this.refs.viewerCore.addEventListener("transitionend",this.handleTransitionEnd,!1),this.startVisible(this.state.activeIndex)},t.prototype.getImgWidthHeight=function(e,t){var n=0,o=0,i=.8*this.containerWidth,r=.8*(this.containerHeight-this.footerHeight);return n=Math.min(i,e),o=n/e*t,o>r&&(o=r,n=o/t*e),[n,o]},t.prototype.loadImg=function(e){var t=this,n=arguments.length>1&&void 0!==arguments[1]&&arguments[1],o="",i=this.props.images||[];i.length>0&&(o=i[e].src);var r=new Image;r.src=o,n?this.setState({activeIndex:e,width:0,height:0,left:0,top:0,rotate:0,scaleX:1,scaleY:1,loading:!0}):this.setState({activeIndex:e,loading:!0}),r.onload=function(){var o=r.width,i=r.height;if(n)setTimeout(function(){t.setState({activeIndex:e,imageWidth:o,imageHeight:i});var n=t.getImageCenterXY();t.handleZoom(n.x,n.y,1,1)},50);else{var a=t.getImgWidthHeight(o,i),s=p(a,2),c=s[0],l=s[1],u=(t.containerWidth-c)/2,h=(t.containerHeight-l-t.footerHeight)/2;t.setState({activeIndex:e,width:c,height:l,left:u,top:h,imageWidth:o,imageHeight:i,loading:!1,rotate:0,scaleX:1,scaleY:1})}},r.onerror=function(){t.setState({activeIndex:e,imageWidth:0,imageHeight:0,loading:!1})}},t.prototype.bindEvent=function(){var e=arguments.length>0&&void 0!==arguments[0]&&arguments[0],t="addEventListener";e&&(t="removeEventListener"),document[t]("keydown",this.handleKeydown,!1)},t.prototype.componentWillUnmount=function(){this.bindEvent(!0),this.refs.viewerCore.removeEventListener("transitionend",this.handleTransitionEnd,!1)},t.prototype.componentWillReceiveProps=function(e){var t=this;return!this.props.visible&&e.visible?void this.startVisible(e.activeIndex):this.props.visible&&!e.visible?(this.bindEvent(!0),this.handleZoom(this.containerWidth/2,(this.containerHeight-this.footerHeight)/2,-1,(this.state.scaleX>0?1:-1)*this.state.scaleX-.11),void setTimeout(function(){document.body.style.overflow="",document.body.style.paddingRight="",t.setState({visible:!1,transitionEnd:!1,width:0,height:0})},x)):this.props.activeIndex!==e.activeIndex?void this.handleChangeImg(e.activeIndex):void 0},t.prototype.render=function(){var e={src:"",alt:""},t=1e3;this.props.zIndex&&(t=this.props.zIndex);var n={opacity:this.state.visible?1:0};!this.state.visible&&this.state.transitionEnd&&(n.display="none"),!this.state.visible&&this.state.visibleStart&&(n.display="block"),this.state.visible&&this.state.transitionEnd&&(e=this.getActiveImage());var o=this.prefixCls+" "+this.prefixCls+"-transition";return this.props.container&&(o+=" "+this.prefixCls+"-inline"),h.createElement("div",{ref:"viewerCore",className:o,style:n,onWheel:this.handleMouseScroll},h.createElement("div",{className:this.prefixCls+"-mask",style:{zIndex:t}}),this.props.noClose||h.createElement("div",{className:this.prefixCls+"-close 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instance")}}(),u=n(1),h=i(u);n(9);var f=n(5),d=o(f),v=n(7),y=o(v),m=n(8),g=o(m),b=n(2),w=o(b),x=300,O=function(e){function t(n){a(this,t);var o=s(this,e.call(this,n));return o.handleClose=function(e){o.props.onClose()},o.handleChangeImg=function(e){e>=o.props.images.length&&(e=0),e<0&&(e=o.props.images.length-1),e!==o.state.activeIndex&&o.loadImg(e)},o.handleChangeImgState=function(e,t,n,i){o.setState({width:e,height:t,top:n,left:i})},o.handleDefaultAction=function(e){switch(e){case b.ActionType.prev:o.handleChangeImg(o.state.activeIndex-1);break;case b.ActionType.next:o.handleChangeImg(o.state.activeIndex+1);break;case b.ActionType.zoomIn:var t=o.getImageCenterXY();o.handleZoom(t.x,t.y,1,o.props.zoomSpeed);break;case b.ActionType.zoomOut:var n=o.getImageCenterXY();o.handleZoom(n.x,n.y,-1,o.props.zoomSpeed);break;case b.ActionType.rotateLeft:o.handleRotate();break;case b.ActionType.rotateRight:o.handleRotate(!0);break;case b.ActionType.reset:o.loadImg(o.state.activeIndex);break;case b.ActionType.scaleX:o.handleScaleX(-1);break;case b.ActionType.scaleY:o.handleScaleY(-1);break;case b.ActionType.download:o.handleDownload()}},o.handleAction=function(e){if(o.handleDefaultAction(e.actionType),e.onClick){var t=o.getActiveImage();e.onClick(t)}},o.handleDownload=function(){var e=o.getActiveImage();e.downloadUrl&&(location.href=e.downloadUrl)},o.handleScaleX=function(e){o.setState({scaleX:o.state.scaleX*e})},o.handleScaleY=function(e){o.setState({scaleY:o.state.scaleY*e})},o.handleScrollZoom=function(e,t,n){o.handleZoom(e,t,n,o.props.zoomSpeed)},o.handleZoom=function(e,t,n,i){var r=o.getImageCenterXY(),a=e-r.x,s=t-r.y,c=!1,l=0,u=0,h=0,f=0,d=0,v=0;if(0===o.state.width){var y=o.getImgWidthHeight(o.state.imageWidth,o.state.imageHeight),m=p(y,2),g=m[0],b=m[1];c=!0,u=(o.containerWidth-g)/2,l=(o.containerHeight-o.footerHeight-b)/2,h=o.state.width+g,f=o.state.height+b,d=v=1}else{var w=o.state.scaleX>0?1:-1,x=o.state.scaleY>0?1:-1;if(d=o.state.scaleX+i*n*w,v=o.state.scaleY+i*n*x,Math.abs(d)<.1||Math.abs(v)<.1)return;l=o.state.top+-n*s/o.state.scaleX*i*w,u=o.state.left+-n*a/o.state.scaleY*i*x,h=o.state.width,f=o.state.height}o.setState({width:h,scaleX:d,scaleY:v,height:f,top:l,left:u,loading:!1})},o.getImageCenterXY=function(){return{x:o.state.left+o.state.width/2,y:o.state.top+o.state.height/2}},o.handleRotate=function(){var e=arguments.length>0&&void 0!==arguments[0]&&arguments[0];o.setState({rotate:o.state.rotate+90*(e?1:-1)})},o.handleResize=function(){if(o.setContainerWidthHeight(),o.props.visible){var e=o.getImgWidthHeight(o.state.imageWidth,o.state.imageHeight),t=p(e,2),n=t[0],i=t[1],r=(o.containerWidth-n)/2,a=(o.containerHeight-i-o.footerHeight)/2;o.setState({width:n,height:i,left:r,top:a,rotate:0,scaleX:1,scaleY:1})}},o.handleKeydown=function(e){var t=e.keyCode||e.which||e.charCode,n=!1;switch(t){case 27:o.props.onClose(),n=!0;break;case 37:e.ctrlKey?o.handleDefaultAction(b.ActionType.rotateLeft):o.handleDefaultAction(b.ActionType.prev),n=!0;break;case 39:e.ctrlKey?o.handleDefaultAction(b.ActionType.rotateRight):o.handleDefaultAction(b.ActionType.next),n=!0;break;case 38:o.handleDefaultAction(b.ActionType.zoomIn),n=!0;break;case 40:o.handleDefaultAction(b.ActionType.zoomOut),n=!0;break;case 49:e.ctrlKey&&(o.loadImg(o.state.activeIndex),n=!0)}n&&e.preventDefault()},o.handleTransitionEnd=function(e){o.state.transitionEnd&&!o.state.visibleStart||o.setState({visibleStart:!1,transitionEnd:!0})},o.handleCanvasMouseDown=function(e){o.props.onMaskClick(e)},o.getActiveImage=function(){var e={src:"",alt:"",downloadUrl:""},t=o.props.images||[];return t.length>0&&o.state.activeIndex>=0&&(e=t[o.state.activeIndex]),e},o.handleMouseScroll=function(e){e.preventDefault();var t=0;if(t=0===e.deltaY?0:e.deltaY>0?-1:1,0!==t){var n=e.clientX,i=e.clientY;if(o.props.container){var r=o.props.container.getBoundingClientRect();n-=r.left,i-=r.top}o.handleScrollZoom(n,i,t)}},o.prefixCls="react-viewer",o.state={visible:!1,visibleStart:!1,transitionEnd:!1,activeIndex:o.props.activeIndex,width:0,height:0,top:15,left:null,rotate:0,imageWidth:0,imageHeight:0,scaleX:1,scaleY:1,loading:!1},o.setContainerWidthHeight(),o.footerHeight=84,o}return c(t,e),t.prototype.setContainerWidthHeight=function(){this.containerWidth=window.innerWidth,this.containerHeight=window.innerHeight,this.props.container&&(this.containerWidth=this.props.container.offsetWidth,this.containerHeight=this.props.container.offsetHeight)},t.prototype.startVisible=function(e){var t=this;this.props.container||(document.body.style.overflow="hidden",document.body.scrollHeight>document.body.clientHeight&&(document.body.style.paddingRight="15px")),this.setState({visibleStart:!0}),setTimeout(function(){t.setState({visible:!0}),setTimeout(function(){t.bindEvent(),t.loadImg(e,!0)},300)},10)},t.prototype.componentDidMount=function(){this.refs.viewerCore.addEventListener("transitionend",this.handleTransitionEnd,!1),this.startVisible(this.state.activeIndex)},t.prototype.getImgWidthHeight=function(e,t){var n=0,o=0,i=.8*this.containerWidth,r=.8*(this.containerHeight-this.footerHeight);return n=Math.min(i,e),o=n/e*t,o>r&&(o=r,n=o/t*e),[n,o]},t.prototype.loadImg=function(e){var t=this,n=arguments.length>1&&void 0!==arguments[1]&&arguments[1],o="",i=this.props.images||[];i.length>0&&(o=i[e].src);var r=new Image;r.src=o,n?this.setState({activeIndex:e,width:0,height:0,left:0,top:0,rotate:0,scaleX:1,scaleY:1,loading:!0}):this.setState({activeIndex:e,loading:!0}),r.onload=function(){var o=r.width,i=r.height;if(n)setTimeout(function(){t.setState({activeIndex:e,imageWidth:o,imageHeight:i});var n=t.getImageCenterXY();t.handleZoom(n.x,n.y,1,1)},50);else{var a=t.getImgWidthHeight(o,i),s=p(a,2),c=s[0],l=s[1],u=(t.containerWidth-c)/2,h=(t.containerHeight-l-t.footerHeight)/2;t.setState({activeIndex:e,width:c,height:l,left:u,top:h,imageWidth:o,imageHeight:i,loading:!1,rotate:0,scaleX:1,scaleY:1})}},r.onerror=function(){t.setState({activeIndex:e,imageWidth:0,imageHeight:0,loading:!1})}},t.prototype.bindEvent=function(){var e=arguments.length>0&&void 0!==arguments[0]&&arguments[0],t="addEventListener";e&&(t="removeEventListener"),document[t]("keydown",this.handleKeydown,!1)},t.prototype.componentWillUnmount=function(){this.bindEvent(!0),this.refs.viewerCore.removeEventListener("transitionend",this.handleTransitionEnd,!1)},t.prototype.componentWillReceiveProps=function(e){var t=this;return!this.props.visible&&e.visible?void this.startVisible(e.activeIndex):this.props.visible&&!e.visible?(this.bindEvent(!0),this.handleZoom(this.containerWidth/2,(this.containerHeight-this.footerHeight)/2,-1,(this.state.scaleX>0?1:-1)*this.state.scaleX-.11),void setTimeout(function(){document.body.style.overflow="",document.body.style.paddingRight="",t.setState({visible:!1,transitionEnd:!1,width:0,height:0})},x)):this.props.activeIndex!==e.activeIndex?void this.handleChangeImg(e.activeIndex):void 0},t.prototype.render=function(){var e={src:"",alt:""},t=1e3;this.props.zIndex&&(t=this.props.zIndex);var n={opacity:this.state.visible?1:0};!this.state.visible&&this.state.transitionEnd&&(n.display="none"),!this.state.visible&&this.state.visibleStart&&(n.display="block"),this.state.visible&&this.state.transitionEnd&&(e=this.getActiveImage());var o=this.prefixCls+" "+this.prefixCls+"-transition";return this.props.container&&(o+=" "+this.prefixCls+"-inline"),h.createElement("div",{ref:"viewerCore",className:o,style:n,onWheel:this.handleMouseScroll},h.createElement("div",{className:this.prefixCls+"-mask",style:{zIndex:t}}),this.props.noClose||h.createElement("div",{className:this.prefixCls+"-close "+this.prefixCls+"-btn",onClick:this.handleClose,style:{zIndex:t+10}},h.createElement(w.default,{type:b.ActionType.close})),h.createElement(d.default,{prefixCls:this.prefixCls,imgSrc:e.src,visible:this.props.visible,width:this.state.width,height:this.state.height,top:this.state.top,left:this.state.left,rotate:this.state.rotate,onChangeImgState:this.handleChangeImgState,onResize:this.handleResize,zIndex:t+5,scaleX:this.state.scaleX,scaleY:this.state.scaleY,loading:this.state.loading,drag:this.props.drag,container:this.props.container,onCanvasMouseDown:this.handleCanvasMouseDown}),this.props.noFooter||h.createElement("div",{className:this.prefixCls+"-footer",style:{zIndex:t+5}},this.props.noToolbar||h.createElement(g.default,{prefixCls:this.prefixCls,onAction:this.handleAction,alt:e.alt,width:this.state.imageWidth,height:this.state.imageHeight,attribute:this.props.attribute,zoomable:this.props.zoomable,rotatable:this.props.rotatable,scalable:this.props.scalable,changeable:this.props.changeable,downloadable:this.props.downloadable,noImgDetails:this.props.noImgDetails,toolbars:this.props.customToolbar(m.defaultToolbars)}),this.props.noNavbar||h.createElement(y.default,{prefixCls:this.prefixCls,images:this.props.images,activeIndex:this.state.activeIndex,onChangeImg:this.handleChangeImg})))},t}(h.Component);t.default=O,O.defaultProps={visible:!1,onClose:l,images:[],activeIndex:0,zIndex:1e3,drag:!0,attribute:!0,zoomable:!0,rotatable:!0,scalable:!0,onMaskClick:l,changeable:!0,customToolbar:function(e){return e},zoomSpeed:.05},e.exports=t.default},function(e,t,n){"use strict";function o(e){if(e&&e.__esModule)return e;var t={};if(null!=e)for(var n in e)Object.prototype.hasOwnProperty.call(e,n)&&(t[n]=e[n]);return t.default=e,t}function i(e,t){for(var n=Object.getOwnPropertyNames(t),o=0;o<n.length;o++){var i=n[o],r=Object.getOwnPropertyDescriptor(t,i);r&&r.configurable&&void 0===e[i]&&Object.defineProperty(e,i,r)}return e}function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}function a(e,t){if(!e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!t||"object"!=typeof t&&"function"!=typeof t?e:t}function s(e,t){if("function"!=typeof t&&null!==t)throw new TypeError("Super expression must either be null or a function, not "+typeof t);e.prototype=Object.create(t&&t.prototype,{constructor:{value:e,enumerable:!1,writable:!0,configurable:!0}}),t&&(Object.setPrototypeOf?Object.setPrototypeOf(e,t):i(e,t))}Object.defineProperty(t,"__esModule",{value:!0}),t.default=void 0;var c=n(1),l=o(c),p=function(e){function t(){r(this,t);var n=a(this,e.apply(this,arguments));return n.handleChangeImg=function(e){n.props.activeIndex!==e&&n.props.onChangeImg(e)},n}return s(t,e),t.prototype.render=function(){var e=this,t=1.5*(Math.ceil(this.props.images.length/2)-this.props.activeIndex-1)*30,n={marginLeft:t+"px"};return l.createElement("div",{className:this.props.prefixCls+"-navbar"},l.createElement("ul",{className:this.props.prefixCls+"-list "+this.props.prefixCls+"-list-transition",style:n},this.props.images.map(function(t,n){return l.createElement("li",{key:n,className:n===e.props.activeIndex?"active":"",onClick:function(){e.handleChangeImg(n)}},l.createElement("img",{src:t.src,alt:t.alt}))})))},t}(l.Component);t.default=p,p.defaultProps={activeIndex:0},e.exports=t.default},function(e,t,n){"use strict";function o(e){return e&&e.__esModule?e:{default:e}}function i(e){if(e&&e.__esModule)return e;var t={};if(null!=e)for(var n in e)Object.prototype.hasOwnProperty.call(e,n)&&(t[n]=e[n]);return t.default=e,t}function r(e,t){for(var n=Object.getOwnPropertyNames(t),o=0;o<n.length;o++){var i=n[o],r=Object.getOwnPropertyDescriptor(t,i);r&&r.configurable&&void 0===e[i]&&Object.defineProperty(e,i,r)}return e}function a(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}function s(e,t){if(!e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!t||"object"!=typeof t&&"function"!=typeof t?e:t}function c(e,t){if("function"!=typeof t&&null!==t)throw new TypeError("Super expression must either be null or a function, not "+typeof t);e.prototype=Object.create(t&&t.prototype,{constructor:{value:e,enumerable:!1,writable:!0,configurable:!0}}),t&&(Object.setPrototypeOf?Object.setPrototypeOf(e,t):r(e,t))}function l(e,t){var n=e.filter(function(e){return t.indexOf(e.key)<0});return n}Object.defineProperty(t,"__esModule",{value:!0}),t.default=t.defaultToolbars=void 0;var p=n(1),u=i(p),h=n(2),f=o(h),d=(t.defaultToolbars=[{key:"zoomIn",actionType:h.ActionType.zoomIn},{key:"zoomOut",actionType:h.ActionType.zoomOut},{key:"prev",actionType:h.ActionType.prev},{key:"reset",actionType:h.ActionType.reset},{key:"next",actionType:h.ActionType.next},{key:"rotateLeft",actionType:h.ActionType.rotateLeft},{key:"rotateRight",actionType:h.ActionType.rotateRight},{key:"scaleX",actionType:h.ActionType.scaleX},{key:"scaleY",actionType:h.ActionType.scaleY},{key:"download",actionType:h.ActionType.download}],function(e){function t(){a(this,t);var n=s(this,e.call(this));return n.renderAction=function(e){var t=null;return"undefined"!=typeof h.ActionType[e.actionType]&&(t=u.createElement(f.default,{type:e.actionType})),e.render&&(t=e.render),u.createElement("li",{key:e.key,className:n.props.prefixCls+"-btn",onClick:function(){n.handleAction(e)}},t)},n}return c(t,e),t.prototype.handleAction=function(e){this.props.onAction(e)},t.prototype.render=function(){var e=this,t=this.props.attribute?u.createElement("p",{className:this.props.prefixCls+"-attribute"},this.props.alt&&""+this.props.alt,this.props.noImgDetails||"("+this.props.width+" x "+this.props.height+")"):null,n=this.props.toolbars;return this.props.zoomable||(n=l(n,["zoomIn","zoomOut"])),this.props.changeable||(n=l(n,["prev","next"])),this.props.rotatable||(n=l(n,["rotateLeft","rotateRight"])),this.props.scalable||(n=l(n,["scaleX","scaleY"])),this.props.downloadable||(n=l(n,["download"])),u.createElement("div",null,t,u.createElement("ul",{className:this.props.prefixCls+"-toolbar"},n.map(function(t){return e.renderAction(t)})))},t}(u.Component));t.default=d},function(e,t){},function(e,n){e.exports=t}])});

lib/ViewerCore.js

@@ -65,7 +65,11 @@ 'use strict';
         _this.handleChangeImg = function (newIndex) {
-            // let imgCenterXY2 = this.getImageCenterXY();
-            // this.handleZoom(imgCenterXY2.x, imgCenterXY2.y, -1, 1);
-            // setTimeout(() => {
-            //   this.loadImg(newIndex);
-            // }, transitionDuration);
+            if (newIndex >= _this.props.images.length) {
+                newIndex = 0;
+            }
+            if (newIndex < 0) {
+                newIndex = _this.props.images.length - 1;
+            }
+            if (newIndex === _this.state.activeIndex) {
+                return;
+            }
             _this.loadImg(newIndex);
@@ -84,10 +88,6 @@ };
                 case _Icon.ActionType.prev:
-                    if (_this.state.activeIndex - 1 >= 0) {
-                        _this.handleChangeImg(_this.state.activeIndex - 1);
-                    }
+                    _this.handleChangeImg(_this.state.activeIndex - 1);
                     break;
                 case _Icon.ActionType.next:
-                    if (_this.state.activeIndex + 1 < _this.props.images.length) {
-                        _this.handleChangeImg(_this.state.activeIndex + 1);
-                    }
+                    _this.handleChangeImg(_this.state.activeIndex + 1);
                     break;
@@ -94,0 +94,0 @@ case _Icon.ActionType.zoomIn:

package.json

 {
   "name": "react-viewer",
-  "version": "2.5.1",
+  "version": "2.5.2",
   "description": "react image viewer",
@@ -5,0 +5,0 @@ "main": "dist/index",

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