ngx-numaric-keypad/bundles/ngx-numaric-keypad.umd.min.js

This is a two in one features keypad, you can use this as calculator also by just enabling that feature.

!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?e(exports,require("@angular/core"),require("@angular/common")):"function"==typeof define&&define.amd?define("ngx-numaric-keypad",["exports","@angular/core","@angular/common"],e):e((t=t||self)["ngx-numaric-keypad"]={},t.ng.core,t.ng.common)}(this,(function(t,e,r){"use strict";
/*! *****************************************************************************
    Copyright (c) Microsoft Corporation.

    Permission to use, copy, modify, and/or distribute this software for any
    purpose with or without fee is hereby granted.

    THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
    REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
    AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
    INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
    LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
    OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
    PERFORMANCE OF THIS SOFTWARE.
    ***************************************************************************** */function n(t,e,r,n){var o,i=arguments.length,u=i<3?e:null===n?n=Object.getOwnPropertyDescriptor(e,r):n;if("object"==typeof Reflect&&"function"==typeof Reflect.decorate)u=Reflect.decorate(t,e,r,n);else for(var a=t.length-1;a>=0;a--)(o=t[a])&&(u=(i<3?o(u):i>3?o(e,r,u):o(e,r))||u);return i>3&&u&&Object.defineProperty(e,r,u),u}var o=function(){function t(){}return t.ɵprov=e.ɵɵdefineInjectable({factory:function(){return new t},token:t,providedIn:"root"}),t=n([e.Injectable({providedIn:"root"})],t)}(),i=function(){function t(){this.calc=!1,this.getVal=new e.EventEmitter,this.currentNumber="0",this.firstOperand=null,this.operator=null,this.waitForSecondNumber=!1,this.equalSign=!1}return t.prototype.ngOnInit=function(){},t.prototype.getNumber=function(t){this.waitForSecondNumber?(this.currentNumber=t,this.waitForSecondNumber=!1):"0"===this.currentNumber?this.currentNumber=t:this.currentNumber+=t,this.getVal.emit(this.currentNumber)},t.prototype.backSpace=function(){this.currentNumber.length>0&&(this.currentNumber=this.currentNumber.slice(0,-1),this.getVal.emit(this.currentNumber))},t.prototype.getDecimal=function(){this.currentNumber.includes(".")||(this.currentNumber+=".")},t.prototype.doCalculation=function(t,e){switch(t){case"+":return this.firstOperand+=e;case"-":return this.firstOperand-=e;case"*":return this.firstOperand*=e;case"/":return this.firstOperand/=e;case"%":return this.firstOperand/100*e;case"=":return e}},t.prototype.getOperation=function(t){if(null===this.firstOperand)this.firstOperand=Number(this.currentNumber);else if(this.operator){var e=this.doCalculation(this.operator,Number(this.currentNumber));this.currentNumber=String(e),this.firstOperand=e}this.operator=t,this.waitForSecondNumber=!0,this.getVal.emit(this.firstOperand)},t.prototype.clear=function(){this.currentNumber="0",this.firstOperand=null,this.operator=null,this.waitForSecondNumber=!1,this.getVal.emit(this.currentNumber)},n([e.Input()],t.prototype,"calc",void 0),n([e.Output()],t.prototype,"getVal",void 0),t=n([e.Component({selector:"ngx-numaric-keypad",template:'<div class=\'keypad-container\'>\r\n    <div class="keypad">\r\n      <div class="keypad-screen">\r\n        <input type="text"  [value]="currentNumber" disabled />\r\n      </div>\r\n    \r\n      <div class="keypad-keys">\r\n        <div class="keypad-btns">\r\n          <button type="button" (click)="getNumber(\'7\')" value="7">7</button>\r\n          <button type="button" (click)="getNumber(\'8\')" value="8">8</button>\r\n          <button type="button" (click)="getNumber(\'9\')" value="9">9</button>\r\n      \r\n          <button type="button" (click)="getNumber(\'4\')" value="4">4</button>\r\n          <button type="button" (click)="getNumber(\'5\')" value="5">5</button>\r\n          <button type="button" (click)="getNumber(\'6\')" value="6">6</button>\r\n      \r\n          <button type="button" (click)="getNumber(\'1\')" value="1">1</button>\r\n          <button type="button" (click)="getNumber(\'2\')" value="2">2</button>\r\n          <button type="button" (click)="getNumber(\'3\')" value="3">3</button>\r\n      \r\n      \r\n          <button type="button" (click)="getDecimal()" class="decimal" value=".">\r\n            .\r\n          </button>\r\n          <button type="button" (click)="getNumber(\'0\')" value="0">0</button>\r\n          <button type="button" (click)="backSpace()" class="decimal back-btn">\r\n            <span class="material-icons">\r\n              backspace\r\n            </span>\r\n          </button>\r\n        </div>\r\n        <div class="op-btn" *ngIf="calc">\r\n    \r\n          <button type="button" (click)="clear()" class="all-clear" value="all-clear">\r\n            AC\r\n          </button>\r\n          <button type="button" (click)="getOperation(\'%\')" class="operator" value="%">\r\n            %\r\n          </button>\r\n          <button type="button" (click)="getOperation(\'+\')" class="operator" value="+">\r\n            +\r\n          </button>\r\n          <button type="button" (click)="getOperation(\'-\')" class="operator" value="-">\r\n            -\r\n          </button>\r\n          <button type="button" (click)="getOperation(\'*\')" class="operator" value="*">\r\n            &times;\r\n          </button>\r\n          <button type="button" (click)="getOperation(\'/\')" class="operator" value="/">\r\n            &divide;\r\n          </button>\r\n    \r\n          <button type="button" (click)="getOperation(\'=\')" class="equal-sign" value="=">\r\n            =\r\n          </button>\r\n        </div>\r\n      </div>\r\n    </div>\r\n  </div>',styles:[".keypad-container{width:100%;height:100vh;display:flex;align-items:center;justify-content:center}.keypad{border:1px solid #ccc;border-radius:5px;width:400px}.keypad-screen{padding:10px}.keypad-screen input{width:100%;font-size:4rem;height:80px;border:none;background-color:#fff;color:#000;text-align:right}.keypad-keys{display:flex;justify-content:space-between;padding:10px;border-top:1px solid #ccc;cursor:pointer}.keypad-keys .keypad-btns{flex:1;display:flex;align-items:flex-start;justify-content:space-between;flex-wrap:wrap;cursor:pointer}.keypad-keys .keypad-btns button{flex:0 0 27%;width:27%;margin:5px;cursor:pointer}button{height:60px;border-radius:3px;border:1px solid #c4c4c4;background-color:transparent;font-size:2rem;color:#333;background-image:linear-gradient(to bottom,transparent,transparent 50%,rgba(0,0,0,.04));box-shadow:inset 0 0 0 1px rgba(255,255,255,.05),inset 0 1px 0 0 rgba(255,255,255,.45),inset 0 -1px 0 0 rgba(255,255,255,.15),0 1px 0 0 rgba(255,255,255,.15);text-shadow:0 1px rgba(255,255,255,.4)}button.back-btn{font-size:1.5rem}.keypad-keys .op-btn{flex:0 0 100px;margin-left:10px;display:flex;flex-direction:column;cursor:pointer}.keypad-keys .op-btn button{flex:0 0 50px;margin:5px;cursor:pointer}"]})],t)}(),u=function(){function t(){}return t=n([e.NgModule({declarations:[i],imports:[r.CommonModule],exports:[i]})],t)}();t.KeypadComponent=i,t.KeypadModule=u,t.KeypadService=o,Object.defineProperty(t,"__esModule",{value:!0})}));
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