Formula-Parser

A react app that parses API provided formula, does calculation, and sends result to the API

Input and Output

Sample Input provided by the API

[
  {
    "formula": "a+b+2+x"
  },
  {
    "formula": "c-d+v"
  }	
]

Sample Output posted to the API

[
  {
    "formula": "a+b+2+x",
    "values": {
      "a": 2,
      "b": 3,
      "x": 4
    },
    "result": 11
  },
  {
    "formula": "c-d+v",
    "values": {
      "c": 10,
      "d": 5,
      "v": 4
    },
    "result": 9
  }	
]

How to run

Make sure to have the node version v10.15.1 and npm version 6.4.1. Install the latest lts via nvm.
Backend server must be kept running to successfully run the frontend. Open terminal and cd to backend directory.
run npm i
run npm start
In another terminal/tab cd to frontend directory.
run npm i
run npm start
fill the inputs and hit submit button.
monitor the terminal where backend is running. The result will be printed in the terminal.
run npm test to run test. This has no connection with the backend.

** frontend uses create-react-app.

ksharifbd/formula-parser

Formula-Parser

Input and Output

Sample Input provided by the API

Sample Output posted to the API

How to run