function_evaluator

A package that evaluates a given string as function

This module is a simple way to evaluate a string content as an expression. Passing other than string to this module throws an error.

Download

It is published on node package manager (npm). To install, do:

npm i @adhikari_mithun/function_evaluator

Usage

var evaluate = require('@adhikari_mithun/function_evaluator')

var res = evaluate(content,callback)

The following options are available:

content (String): the content to be evaluated

callback (Function) : the function to be called when the expression is evaluated or some error is thrown.

Example

var evaluate = require('@adhikari_mithun/function_evaluator')

var res = evaluate('let m = 123; exports.x = x',function(res,err){ // => res === { x: 123 } });

res = evaluate('module.exports = function () { return 123 }',function(res,err){ // => res() === 123 });

res = evaluate(13,function(res,err){ // => err === "This expression requires only string and not other" });