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react-toy-robot

A toy robot simulator written by React + Redux

Description:

The application is a simulation of a toy robot moving on a square tabletop, of dimensions 5 units x 5 units. There are no other obstructions on the table surface. The robot is free to roam around the surface of the table, but must be prevented from falling to destruction. Any movement that would result in the robot falling from the table must be prevented, however further valid movement commands must still be allowed.

Create an application that can read in commands of the following form

PLACE X,Y,F
MOVE
LEFT
RIGHT
REPORT
  • PLACE will put the toy robot on the table in position X,Y and facing NORTH, SOUTH, EAST or WEST.
  • The origin (0,0) can be considered to be the SOUTH WEST most corner.
  • The first valid command to the robot is a PLACE command, after that, any sequence of commands may be issued, in any order, including another PLACE command. The application should discard all commands in the sequence until a valid PLACE command has been executed.
  • MOVE will move the toy robot one unit forward in the direction it is currently facing.
  • LEFT and RIGHT will rotate the robot 90 degrees in the specified direction without changing the position of the robot.
  • REPORT will announce the X,Y and F of the robot. This can be in any form, but standard output is sufficient.
  • A robot that is not on the table can choose the ignore the MOVE, LEFT, RIGHT and REPORT commands.
  • Input can be from a file, or from standard input, as the developer chooses.

Completed application screenshot

alt screenshot

Built with

Get started

Make sure you have the latest git, Node.js and Yarn installed on your machine

$ git --version

$ yarn --version

$ node --version

Clone the repo from Bitbucket

$ git clone https://github.com/kidjp85/react-toy-robot.git

Install npm package

$ cd react-toy-robot && yarn

Start local server

$ yarn start

And open http://localhost:3000 to view it in the browser.

Build production

$ yarn build

Testing

$ yarn test

Linting (eslint + stylelint)

$ yarn linting