README.md

Intercom Engineer

A program that produces the list of customers within a specified distance in a given coordinates

Installation

Node version >= 14.16.0
NPM version >= 6.14.11

Getting Started

npm install # Install required dependencies

npm run customer-invitation # Generate output file with result
or `node index.js -- 100 53.339428 -6.257664` with last 3 arguments as `distance`, `latitude` and `longitude`

npm run test # Execute tests

Code Architecture

Source code can be found under the src directory.

index.js acts as the entry point.

The src/helpers folder contains constants and helper variables to process the operation.

The src/helpers/program-tasks file contains extracted methods to get sorted customers list within a distance.

The src/program folder contains customer input file and the index program for the customer invitation.

Testing framework used is mocha. All tests can be found under the /test folder.

Output

output