Ajout du choix des utilisateurs sur un événement. Ajout de fichiers dans un événement. (dropzone cassée)
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111
em2rp/node_modules/strnum/strnum.js
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111
em2rp/node_modules/strnum/strnum.js
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const hexRegex = /^[-+]?0x[a-fA-F0-9]+$/;
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const numRegex = /^([\-\+])?(0*)([0-9]*(\.[0-9]*)?)$/;
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// const octRegex = /^0x[a-z0-9]+/;
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// const binRegex = /0x[a-z0-9]+/;
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const consider = {
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hex : true,
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// oct: false,
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leadingZeros: true,
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decimalPoint: "\.",
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eNotation: true,
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//skipLike: /regex/
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};
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function toNumber(str, options = {}){
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options = Object.assign({}, consider, options );
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if(!str || typeof str !== "string" ) return str;
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let trimmedStr = str.trim();
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if(options.skipLike !== undefined && options.skipLike.test(trimmedStr)) return str;
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else if(str==="0") return 0;
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else if (options.hex && hexRegex.test(trimmedStr)) {
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return parse_int(trimmedStr, 16);
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// }else if (options.oct && octRegex.test(str)) {
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// return Number.parseInt(val, 8);
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}else if (trimmedStr.search(/[eE]/)!== -1) { //eNotation
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const notation = trimmedStr.match(/^([-\+])?(0*)([0-9]*(\.[0-9]*)?[eE][-\+]?[0-9]+)$/);
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// +00.123 => [ , '+', '00', '.123', ..
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if(notation){
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// console.log(notation)
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if(options.leadingZeros){ //accept with leading zeros
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trimmedStr = (notation[1] || "") + notation[3];
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}else{
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if(notation[2] === "0" && notation[3][0]=== "."){ //valid number
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}else{
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return str;
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}
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}
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return options.eNotation ? Number(trimmedStr) : str;
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}else{
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return str;
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}
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// }else if (options.parseBin && binRegex.test(str)) {
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// return Number.parseInt(val, 2);
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}else{
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//separate negative sign, leading zeros, and rest number
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const match = numRegex.exec(trimmedStr);
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// +00.123 => [ , '+', '00', '.123', ..
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if(match){
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const sign = match[1];
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const leadingZeros = match[2];
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let numTrimmedByZeros = trimZeros(match[3]); //complete num without leading zeros
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//trim ending zeros for floating number
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if(!options.leadingZeros && leadingZeros.length > 0 && sign && trimmedStr[2] !== ".") return str; //-0123
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else if(!options.leadingZeros && leadingZeros.length > 0 && !sign && trimmedStr[1] !== ".") return str; //0123
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else if(options.leadingZeros && leadingZeros===str) return 0; //00
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else{//no leading zeros or leading zeros are allowed
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const num = Number(trimmedStr);
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const numStr = "" + num;
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if(numStr.search(/[eE]/) !== -1){ //given number is long and parsed to eNotation
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if(options.eNotation) return num;
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else return str;
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}else if(trimmedStr.indexOf(".") !== -1){ //floating number
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if(numStr === "0" && (numTrimmedByZeros === "") ) return num; //0.0
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else if(numStr === numTrimmedByZeros) return num; //0.456. 0.79000
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else if( sign && numStr === "-"+numTrimmedByZeros) return num;
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else return str;
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}
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if(leadingZeros){
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return (numTrimmedByZeros === numStr) || (sign+numTrimmedByZeros === numStr) ? num : str
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}else {
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return (trimmedStr === numStr) || (trimmedStr === sign+numStr) ? num : str
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}
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}
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}else{ //non-numeric string
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return str;
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}
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}
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}
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/**
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*
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* @param {string} numStr without leading zeros
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* @returns
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*/
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function trimZeros(numStr){
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if(numStr && numStr.indexOf(".") !== -1){//float
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numStr = numStr.replace(/0+$/, ""); //remove ending zeros
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if(numStr === ".") numStr = "0";
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else if(numStr[0] === ".") numStr = "0"+numStr;
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else if(numStr[numStr.length-1] === ".") numStr = numStr.substr(0,numStr.length-1);
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return numStr;
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}
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return numStr;
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}
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function parse_int(numStr, base){
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//polyfill
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if(parseInt) return parseInt(numStr, base);
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else if(Number.parseInt) return Number.parseInt(numStr, base);
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else if(window && window.parseInt) return window.parseInt(numStr, base);
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else throw new Error("parseInt, Number.parseInt, window.parseInt are not supported")
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}
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module.exports = toNumber;
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