Editing: jquery.payment.min.js

jQuery(function(t){(function(){var e,n,r,a,i,o,l,u,s,c,h,p,f,g,v,d,m,y,C,T,w,$,S,D=[].slice,k=[].indexOf||function(t){for(var e=0,n=this.length;e<n;e++)if(e in this&&this[e]===t)return e;return-1};(t=window.jQuery||window.Zepto||window.$).payment={},t.payment.fn={},t.fn.payment=function(){var e,n;return 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this.on("keypress",w),this.on("keypress",T),this.on("keypress",u),this.on("keypress",c),this.on("keypress",s),this.on("keydown",o),this.on("change",v),this.on("input",v),this},t.payment.fn.formatCardNumber=function(){return this.on("keypress",w),this.on("keypress",C),this.on("keypress",l),this.on("keydown",i),this.on("keyup",S),this.on("paste",g),this.on("change",g),this.on("input",g),this.on("input",S),this},t.payment.fn.restrictNumeric=function(){return this.on("keypress",w),this.on("paste",d),this.on("change",d),this.on("input",d),this},t.payment.fn.cardExpiryVal=function(){return t.payment.cardExpiryVal(t(this).val())},t.payment.cardExpiryVal=function(t){var e,n,r;return e=(r=t.split(/[\s\/]+/,2))[0],2===(null!=(n=r[1])?n.length:void 0)&&/^\d+$/.test(n)&&(n=(new Date).getFullYear().toString().slice(0,2)+n),{month:e=parseInt(e,10),year:n=parseInt(n,10)}},t.payment.validateCardNumber=function(t){var n,r;return t=(t+"").replace(/\s+|-/g,""),!!/^\d+$/.test(t)&&(!!(n=e(t))&&(r=t.length,k.call(n.length,r)>=0&&(!1===n.luhn||p(t))))},t.payment.validateCardExpiry=function(t,e){var n,r,a;return"object"==typeof t&&"month"in t&&(t=(a=t).month,e=a.year),!(!t||!e)&&(t=t||0==t?t.toString().trim():"",e=e||0==e?e.toString().trim():"",!!/^\d+$/.test(t)&&(!!/^\d+$/.test(e)&&(1<=t&&t<=12&&(2===e.length&&(e=e<70?"20"+e:"19"+e),4===e.length&&(r=new Date(e,t),n=new Date,r.setMonth(r.getMonth()-1),r.setMonth(r.getMonth()+1,1),r>n)))))},t.payment.validateCardCVC=function(t,e){var r,a;return t=t||0==t?t.toString().trim():"",!!/^\d+$/.test(t)&&(null!=(r=n(e))?(a=t.length,k.call(r.cvcLength,a)>=0):t.length>=3&&t.length<=4)},t.payment.cardType=function(t){var n;return t&&(null!=(n=e(t))?n.type:void 0)||null},t.payment.formatCardNumber=function(n){var r,a,i,o;return n=n.replace(/\D/g,""),(r=e(n))?(i=r.length[r.length.length-1],n=n.slice(0,i),r.format.global?null!=(o=n.match(r.format))?o.join(" "):void 0:null!=(a=r.format.exec(n))?(a.shift(),(a=t.grep(a,function(t){return t})).join(" ")):void 0):n},t.payment.formatExpiry=function(t){var e,n,r,a;return(n=t.match(/^\D*(\d{1,2})(\D+)?(\d{1,4})?/))?(e=n[1]||"",r=n[2]||"",(a=n[3]||"").length>0?r=" / ":" /"===r?(e=e.substring(0,1),r=""):2===e.length||r.length>0?r=" / ":1===e.length&&"0"!==e&&"1"!==e&&(e="0"+e,r=" / "),e+r+a):""}}).call(this)});