gravityforms-minmax.min.js

gform.addFilter("gform_calculation_result",function(result,formulaField,formId,calcObj){if(formulaField.formula.indexOf("MIN")>-1||formulaField.formula.indexOf("MAX")>-1){let fieldFormula=calcObj.replaceFieldTags(formId,formulaField.formula,formulaField);const pattern=/\(?(MIN|MAX)\(([\d\s\W]+)\s*\)/gi;while(fieldFormula[0]==="("&&fieldFormula.slice(-1)===")"){fieldFormula=fieldFormula.substr(1,fieldFormula.length-2)}matches=fieldFormula.match(pattern);let replaces=[];for(let i in matches){let components=/\(?(MIN|MAX)\(([\d\s\W]+)\s*\)/gi.exec(matches[i]);let values=components[2].split(",").map((value,index,array)=>{return parseFloat(eval(value.trim()))});if(components[1]=="MIN")replaces.push([matches[i],,Math.min(...values)]);if(components[1]=="MAX")replaces.push([matches[i],,Math.max(...values)])}for(let i in replaces){fieldFormula=fieldFormula.replace(replaces[i][0],replaces[i][2])}fieldFormula=fieldFormula.replace(/[^0-9\s\n\r\+\-\*\/\^\(\)\.](MIN|MAX)/g,"");result=eval(fieldFormula)}return result});