JS Training: The Quiz Project
What is it ?
The quiz is a simple quiz built on client from a json file.
The quiz has a simple schema:
| Property | Definition |
|---|---|
title:String |
Title of the quiz |
questions:Array<Object> |
Config of questions |
questions[]:Object |
|
questions[].problem:String |
Question's title |
questions[].input:Object |
Field to display |
questions[].input.type:String |
'radio', 'checkbox', 'inputs' or 'input' (default) |
questions[].input.options:Array |
labels of the options (only for 'radio', 'checkbox' or 'inputs') |
Why?
It's a project to practice acquired knowledge in JS Training Course refactoring this code.
This code is not meant to be well done, but meant to be refactored. This way, you can refactor progressively fixing the main mistakes of the code.
How?
Please read the contributing guidelines
Commands
npm run dev
Runs the project on watch mode.
npm run test
Executes end-to-end tests on the app to check your change haven't broken anything.
npm run test:dev
Executes "npm run dev" with tests so you can reload them when needed.
npm reset
Safely reinstalls the project.
Refactor phases
1. Operators And Closures
refactor/operators-closures- Change scopes of variables from global scope to local scope.
- Declare variables with
let,constorvar. - Use destructuring when possible.
- Use operator expressions for conditionals and value assignment.
2. Strings
- Convert strings to template strings.
3. Functions
- Split all logic in functions as pure as possible.
- Use new arrow functions syntax when possible.
- Respect functional principles:
- Immutability
- Absence of side effects
- Function don't depend on state
- Functions with 1 input/ 1 output.