decimal-eval/dist/pure.min.js

A tiny, safe, fast JavaScript library for decimal arithmetic expressions.

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String(Number(e)*Number(t))},"/":function(e,t){return String(Number(e)/Number(t))}};function y(e,t,i){switch(i){case"+":case"-":case"*":case"/":return v[i](e,t);default:for(var n=0;n<f.length;n++){var r=f[n];if(r.type.isBinary&&r.value===i)return r.calc(e,t)}}throw new Error("Unexpected binary operator: ".concat(i))}function x(e,t){switch(t){case"+":return e;case"-":return String(-e);default:for(var i=0;i<f.length;i++){var n=f[i];if(n.type.isPrefix&&n.value===t)return n.calc(e)}}throw new Error("Unexpected unary operator: ".concat(t))}function k(e){var t,i=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};if(e instanceof o)switch(e.type){case"Expression":return k(e.expression,i);case"BinaryExpression":return y(k(e.left,i),k(e.right,i),e.operator);case"UnaryExpression":return x(k(e.argument,i),e.operator);case"NumericLiteral":return e.value;case"Identifier":if(void 0===(t=i[e.name]))throw new Error("The scope name `".concat(e.name,"` is not initialized"));return String(t);default:throw new Error("Unexpected type: ".concat(e.type))}return e}var w=function(){function e(i){t(this,e),n(this,"input",void 0),n(this,"node",void 0),n(this,"pos",void 0),n(this,"tokenType",void 0),n(this,"value",void 0),n(this,"start",void 0),n(this,"end",void 0),n(this,"lastTokenStart",void 0),n(this,"lastTokenEnd",void 0),n(this,"allowPrefix",void 0),this.input=String(i),this.tokenType=s.start,this.value="",this.pos=0,this.start=0,this.end=0,this.lastTokenStart=0,this.lastTokenEnd=0,this.allowPrefix=!0}var r,c,d;return r=e,d=[{key:"evaluate",value:function(t,i){return new e(t).compile()(i)}}],(c=[{key:"compile",value:function(){var e=this.node;return void 0===e&&(e=this.parse()),function(t){return e?k(e,null!=t?t:{}):"0"}}},{key:"parse",value:function(){this.next();var e=this.startNode(this.start);return this.tokenType===s.end?this.node=null:(e.expression=this.parseExpression(),this.tokenType!==s.end&&this.unexpected(this.value),this.node=this.finishNode(e,"Expression"))}},{key:"parseExpression",value:function(){return this.parseExprAtom(this.start,-1)}},{key:"parseExprAtom",value:function(e,t){if(this.tokenType===s.parenL){this.next();var i=this.parseExprAtom(this.start,-1);return this.expect(s.parenR),this.parseExprOp(i,e,t)}var n=this.parseMaybeUnary(t);return this.parseExprOp(n,e,t)}},{key:"parseExprOp",value:function(e,t,i){var n=this.tokenType.precedence;if(this.tokenType.isBinary&&n>i){var r=this.startNode(t),s=this.value;this.next();var o=this.start,a=this.parseExprAtom(o,n),h=this.parseExprOp(a,o,n);return r.left=e,r.operator=s,r.right=h,this.finishNode(r,"BinaryExpression"),this.parseExprOp(r,t,i)}return e}},{key:"parseMaybeUnary",value:function(e){var t=this.tokenType.precedence,i=this.startNode(),n=this.start,r=this.value;if(this.tokenType.isPrefix&&t>=e)return 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