NCD Workshop homework - Task 7.1

readme.md

Task 7.1

The answer.js file contains the following:

'use strict'

const {
  PORT
} = process.env

function fibonacci (num) {
  let a = 1
  let b = 0
  let temp

  while (num >= 0) {
    temp = a
    a = a + b
    b = temp
    num--
  }

  return b
}

Using the Node-core API's or any framework or libraries of your choice, build a web-server listening for requests on PORT.

This server should have a single endpoint /calculate-fibonacci responding to GET, returning 404 for other routes and methods.

/calculate-fibonacci should merely allow an URL query parameter called digit, and respond to these codes managing the following scenarios:

• if digit is missing - status code 400
• if extra URL query parameters are received - 406
• if digit is not an integer - 400
• if digit is greater than 50 - 413

If any of the exceptions above occur, The endpoint should return the result of the fibonacci function for digit with a status code of 200 along with a json result, in the following format:

{
  "digit": original digit here,
  "result": result of the fibonacci function here
}

answer.js

'use strict'

const {
  PORT
} = process.env

function fibonacci (num) {
  let a = 1
  let b = 0
  let temp

  while (num >= 0) {
    temp = a
    a = a + b
    b = temp
    num--
  }

  return b
}

package.json

{
  "name": "submission",
  "version": "1.0.0",
  "description": "",
  "main": "answer.js",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "keywords": [],
  "author": "",
  "license": "UNLICENSED",
  "dependencies": {}
}