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: / usr / share / nodejs / formdata-polyfill /
Filename : formdata.min.js
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if(typeof Blob!=="undefined"&&(typeof FormData==="undefined"||!FormData.prototype.keys)){const global=typeof globalThis==="object"?globalThis:typeof window==="object"?window:typeof self==="object"?self:this;const _FormData=global.FormData;const _send=global.XMLHttpRequest&&global.XMLHttpRequest.prototype.send;const _fetch=global.Request&&global.fetch;const _sendBeacon=global.navigator&&global.navigator.sendBeacon;const _match=global.Element&&global.Element.prototype;const stringTag=global.Symbol&&Symbol.toStringTag;if(stringTag){if(!Blob.prototype[stringTag]){Blob.prototype[stringTag]="Blob"}if("File"in global&&!File.prototype[stringTag]){File.prototype[stringTag]="File"}}try{new File([],"")}catch(a){global.File=function File(b,d,c){const blob=new Blob(b,c||{});const t=c&&void 0!==c.lastModified?new Date(c.lastModified):new Date;Object.defineProperties(blob,{name:{value:d},lastModified:{value:+t},toString:{value(){return"[object File]"}}});if(stringTag){Object.defineProperty(blob,stringTag,{value:"File"})}return blob}}function ensureArgs(args,expected){if(args.length<expected){throw new TypeError(`${expected} argument required, but only ${args.length} present.`)}}function normalizeArgs(name,value,filename){if(value instanceof Blob){filename=filename!==undefined?String(filename+""):typeof value.name==="string"?value.name:"blob";if(value.name!==filename||Object.prototype.toString.call(value)==="[object Blob]"){value=new File([value],filename)}return[String(name),value]}return[String(name),String(value)]}function normalizeLinefeeds(value){return value.replace(/\r?\n|\r/g,"\r\n")}function each(arr,cb){for(let i=0;i<arr.length;i++){cb(arr[i])}}const escape=str=>str.replace(/\n/g,"%0A").replace(/\r/g,"%0D").replace(/"/g,"%22");class FormDataPolyfill{constructor(form){this._data=[];const self=this;form&&each(form.elements,(elm=>{if(!elm.name||elm.disabled||elm.type==="submit"||elm.type==="button"||elm.matches("form fieldset[disabled] *"))return;if(elm.type==="file"){const files=elm.files&&elm.files.length?elm.files:[new File([],"",{type:"application/octet-stream"})];each(files,(file=>{self.append(elm.name,file)}))}else if(elm.type==="select-multiple"||elm.type==="select-one"){each(elm.options,(opt=>{!opt.disabled&&opt.selected&&self.append(elm.name,opt.value)}))}else if(elm.type==="checkbox"||elm.type==="radio"){if(elm.checked)self.append(elm.name,elm.value)}else{const value=elm.type==="textarea"?normalizeLinefeeds(elm.value):elm.value;self.append(elm.name,value)}}))}append(name,value,filename){ensureArgs(arguments,2);this._data.push(normalizeArgs(name,value,filename))}delete(name){ensureArgs(arguments,1);const result=[];name=String(name);each(this._data,(entry=>{entry[0]!==name&&result.push(entry)}));this._data=result}*entries(){for(var i=0;i<this._data.length;i++){yield this._data[i]}}forEach(callback,thisArg){ensureArgs(arguments,1);for(const[name,value]of this){callback.call(thisArg,value,name,this)}}get(name){ensureArgs(arguments,1);const entries=this._data;name=String(name);for(let i=0;i<entries.length;i++){if(entries[i][0]===name){return entries[i][1]}}return null}getAll(name){ensureArgs(arguments,1);const result=[];name=String(name);each(this._data,(data=>{data[0]===name&&result.push(data[1])}));return result}has(name){ensureArgs(arguments,1);name=String(name);for(let i=0;i<this._data.length;i++){if(this._data[i][0]===name){return true}}return false}*keys(){for(const[name]of this){yield name}}set(name,value,filename){ensureArgs(arguments,2);name=String(name);const result=[];const args=normalizeArgs(name,value,filename);let replace=true;each(this._data,(data=>{data[0]===name?replace&&(replace=!result.push(args)):result.push(data)}));replace&&result.push(args);this._data=result}*values(){for(const[,value]of this){yield value}}["_asNative"](){const fd=new _FormData;for(const[name,value]of this){fd.append(name,value)}return fd}["_blob"](){const boundary="----formdata-polyfill-"+Math.random(),chunks=[],p=`--${boundary}\r\nContent-Disposition: form-data; name="`;this.forEach(((value,name)=>typeof value=="string"?chunks.push(p+escape(normalizeLinefeeds(name))+`"\r\n\r\n${normalizeLinefeeds(value)}\r\n`):chunks.push(p+escape(normalizeLinefeeds(name))+`"; filename="${escape(value.name)}"\r\nContent-Type: ${value.type||"application/octet-stream"}\r\n\r\n`,value,`\r\n`)));chunks.push(`--${boundary}--`);return new Blob(chunks,{type:"multipart/form-data; boundary="+boundary})}[Symbol.iterator](){return this.entries()}toString(){return"[object FormData]"}}if(_match&&!_match.matches){_match.matches=_match.matchesSelector||_match.mozMatchesSelector||_match.msMatchesSelector||_match.oMatchesSelector||_match.webkitMatchesSelector||function(s){var matches=(this.document||this.ownerDocument).querySelectorAll(s);var i=matches.length;while(--i>=0&&matches.item(i)!==this){}return i>-1}}if(stringTag){FormDataPolyfill.prototype[stringTag]="FormData"}if(_send){const setRequestHeader=global.XMLHttpRequest.prototype.setRequestHeader;global.XMLHttpRequest.prototype.setRequestHeader=function(name,value){setRequestHeader.call(this,name,value);if(name.toLowerCase()==="content-type")this._hasContentType=true};global.XMLHttpRequest.prototype.send=function(data){if(data instanceof FormDataPolyfill){const blob=data["_blob"]();if(!this._hasContentType)this.setRequestHeader("Content-Type",blob.type);_send.call(this,blob)}else{_send.call(this,data)}}}if(_fetch){global.fetch=function(input,init){if(init&&init.body&&init.body instanceof FormDataPolyfill){init.body=init.body["_blob"]()}return _fetch.call(this,input,init)}}if(_sendBeacon){global.navigator.sendBeacon=function(url,data){if(data instanceof FormDataPolyfill){data=data["_asNative"]()}return _sendBeacon.call(this,url,data)}}global["FormData"]=FormDataPolyfill}