react-native-masked-text/dist/lib/internal-dependencies/vanilla-masker.js

Text and TextInput with mask for React Native applications

(function(root,factory){if(typeof define==='function'&&define.amd){define(factory);}else if(typeof exports==='object'){module.exports=factory();}else{root.VMasker=factory();}})(this,function(){var DIGIT="9",ALPHA="A",ALPHANUM="S",BY_PASS_KEYS=[9,16,17,18,36,37,38,39,40,91,92,93],isAllowedKeyCode=function isAllowedKeyCode(keyCode){for(var i=0,len=BY_PASS_KEYS.length;i<len;i++){if(keyCode==BY_PASS_KEYS[i]){return false;}}return true;},mergeMoneyOptions=function mergeMoneyOptions(opts){opts=opts||{};opts={precision:opts.hasOwnProperty("precision")?opts.precision:2,separator:opts.separator||",",delimiter:opts.delimiter||".",unit:opts.unit?opts.unit+' ':"",suffixUnit:opts.suffixUnit&&" "+opts.suffixUnit.replace(/[\s]/g,'')||"",zeroCents:opts.zeroCents,lastOutput:opts.lastOutput};opts.moneyPrecision=opts.zeroCents?0:opts.precision;return opts;},addPlaceholdersToOutput=function addPlaceholdersToOutput(output,index,placeholder){for(;index<output.length;index++){if(output[index]===DIGIT||output[index]===ALPHA||output[index]===ALPHANUM){output[index]=placeholder;}}return output;};var VanillaMasker=function VanillaMasker(elements){this.elements=elements;};VanillaMasker.prototype.unbindElementToMask=function(){for(var i=0,len=this.elements.length;i<len;i++){this.elements[i].lastOutput="";this.elements[i].onkeyup=false;this.elements[i].onkeydown=false;if(this.elements[i].value.length){this.elements[i].value=this.elements[i].value.replace(/\D/g,'');}}};VanillaMasker.prototype.bindElementToMask=function(maskFunction){var that=this,onType=function onType(e){e=e||window.event;var source=e.target||e.srcElement;if(isAllowedKeyCode(e.keyCode)){setTimeout(function(){that.opts.lastOutput=source.lastOutput;source.value=VMasker[maskFunction](source.value,that.opts);source.lastOutput=source.value;if(source.setSelectionRange&&that.opts.suffixUnit){source.setSelectionRange(source.value.length,source.value.length-that.opts.suffixUnit.length);}},0);}};for(var i=0,len=this.elements.length;i<len;i++){this.elements[i].lastOutput="";this.elements[i].onkeyup=onType;if(this.elements[i].value.length){this.elements[i].value=VMasker[maskFunction](this.elements[i].value,this.opts);}}};VanillaMasker.prototype.maskMoney=function(opts){this.opts=mergeMoneyOptions(opts);this.bindElementToMask("toMoney");};VanillaMasker.prototype.maskNumber=function(){this.opts={};this.bindElementToMask("toNumber");};VanillaMasker.prototype.maskAlphaNum=function(){this.opts={};this.bindElementToMask("toAlphaNumeric");};VanillaMasker.prototype.maskPattern=function(pattern){this.opts={pattern:pattern};this.bindElementToMask("toPattern");};VanillaMasker.prototype.unMask=function(){this.unbindElementToMask();};var VMasker=function VMasker(el){if(!el){throw new Error("VanillaMasker: There is no element to bind.");}var elements="length"in el?el.length?el:[]:[el];return new VanillaMasker(elements);};VMasker.toMoney=function(value,opts){opts=mergeMoneyOptions(opts);if(opts.zeroCents){opts.lastOutput=opts.lastOutput||"";var zeroMatcher="("+opts.separator+"[0]{0,"+opts.precision+"})",zeroRegExp=new RegExp(zeroMatcher,"g"),digitsLength=value.toString().replace(/[\D]/g,"").length||0,lastDigitLength=opts.lastOutput.toString().replace(/[\D]/g,"").length||0;value=value.toString().replace(zeroRegExp,"");if(digitsLength<lastDigitLength){value=value.slice(0,value.length-1);}}var number=value.toString().replace(/[\D]/g,""),clearDelimiter=new RegExp("^(0|\\"+opts.delimiter+")"),clearSeparator=new RegExp("(\\"+opts.separator+")$"),money=number.substr(0,number.length-opts.moneyPrecision),masked=money.substr(0,money.length%3),cents=new Array(opts.precision+1).join("0");money=money.substr(money.length%3,money.length);for(var i=0,len=money.length;i<len;i++){if(i%3===0){masked+=opts.delimiter;}masked+=money[i];}masked=masked.replace(clearDelimiter,"");masked=masked.length?masked:"0";if(!opts.zeroCents){var beginCents=number.length-opts.precision,centsValue=number.substr(beginCents,opts.precision),centsLength=centsValue.length,centsSliced=opts.precision>centsLength?opts.precision:centsLength;cents=(cents+centsValue).slice(-centsSliced);}var unitToApply=opts.unit[opts.unit.length-1]===' '?opts.unit.substring(0,opts.unit.length-1):opts.unit;var output=unitToApply+masked+opts.separator+cents+opts.suffixUnit;return output.replace(clearSeparator,"");};VMasker.toPattern=function(value,opts){var pattern=typeof opts==='object'?opts.pattern:opts,patternChars=pattern.replace(/\W/g,''),output=pattern.split(""),values=value.toString().replace(/\W/g,""),charsValues=values.replace(/\W/g,''),index=0,i,outputLength=output.length,placeholder=typeof opts==='object'?opts.placeholder:undefined;for(i=0;i<outputLength;i++){if(index>=values.length){if(patternChars.length==charsValues.length){return output.join("");}else if(placeholder!==undefined&&patternChars.length>charsValues.length){return addPlaceholdersToOutput(output,i,placeholder).join("");}else{break;}}else{if(output[i]===DIGIT&&values[index].match(/[0-9]/)||output[i]===ALPHA&&values[index].match(/[a-zA-Z]/)||output[i]===ALPHANUM&&values[index].match(/[0-9a-zA-Z]/)){output[i]=values[index++];}else if(output[i]===DIGIT||output[i]===ALPHA||output[i]===ALPHANUM){if(placeholder!==undefined){return addPlaceholdersToOutput(output,i,placeholder).join("");}else{return output.slice(0,i).join("");}}}}return output.join("").substr(0,i);};VMasker.toNumber=function(value){return value.toString().replace(/(?!^-)[^0-9]/g,"");};VMasker.toAlphaNumeric=function(value){return value.toString().replace(/[^a-z0-9 ]+/i,"");};return VMasker;});