vr-file-upload-preview/vr-file-upload-preview.min.js

A simple file-upload lib that shows a preview of the uploaded image.

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a=(Array.isArray(e)?e:[e]).filter((e=>e instanceof Blob));this.filesHandler(a)}remove(e){if(!(e+1>this.files.length)){this.files.splice(e,1),a("change",this,{files:this.files});for(var i=0;i<this.containerRef.children.length;i++)if(i==e){this.containerRef.children[i].parentNode.removeChild(this.containerRef.children[i]);break}this.files.length||(this.inputRef.value="")}}clear(){for(;this.containerRef.firstChild;)this.containerRef.removeChild(this.containerRef.lastChild);this.inputRef.value="",this.files=[],a("change",this,{files:this.files})}buildPreviewPanel(){var e;null===(e=this.containerRef)||void 0===e||e.remove(),this.containerRef=document.querySelector(this.preview),this.containerRef||(this.containerRef=l("div",null,{classes:[n.PREVIEW]}),this.insertAdjacentElement("afterend",this.containerRef))}buildTemplate(e){if(!e.type.match("image"))return void this.containerRef.insertAdjacentHTML("beforeend",this.getTemplatePreviewImage(e));const a=new FileReader;a.onload=({target:a})=>this.containerRef.insertAdjacentHTML("beforeend",this.getTemplatePreviewImage(e,a.result)),a.readAsDataURL(e)}getTemplatePreviewImage(e,a){return`\n                <div class="${n.IMAGE}">\n                    <div\n                        class="${n.REMOVE}"\n                        data-name="${e.name}"\n                    >\n                        &times;\n                    </div>\n                    <div\n                        class="${n.SOURCE}"\n                        style="${a?`background-image: url(${a})`:""}"\n                    >\n                        ${a?"":e.type}\n                    </div>\n                    <div class="${n.INFO}">\n                        <span>${this.getShortName(e.name)}</span>\n                        ${function(e){if(!e)return"0 Byte";const a=parseInt(Math.floor(Math.log(e)/Math.log(1024)));return`${Math.round(e/Math.pow(1024,a))} ${["Bytes","KB","MB","GB","TB"][a]}`}(e.size)}\n                    </div>\n                </div>\n            `}setEventListners(){this.defaultEventListners(),this.dropzone&&this.dragOnDropEventListners()}defaultEventListners(e=!0){const a=e?"addEventListener":"removeEventListener";this.uploadRef[a]("click",this.onSelect),this.inputRef[a]("change",this.onChange),this.containerRef[a]("click",this.onRemove)}dragOnDropEventListners(e=!0){const a=e?"addEventListener":"removeEventListener";["dragenter","dragover","dragleave","drop"].forEach((e=>this.uploadRef[a](e,this.preventDefaults))),["dragenter","dragover"].forEach((e=>this.uploadRef[a](e,this.onHighlight))),["dragleave","drop"].forEach((e=>this.uploadRef[a](e,this.onUnhighlight))),this.uploadRef[a]("drop",this.onDrop)}getShortName(e,a=12){const[i,l]=e.split(".");return`${i.slice(0,a)}.${l}`}preventDefaults(e){e.preventDefault(),e.stopPropagation()}}),e.VR_FILE_CLASS=n,e.VR_FILE_ERROR_TYPE=t,Object.defineProperty(e,"__esModule",{value:!0}),e}({});