for - 5: feature edit

[AlinaTaoRao]

---

name: For edit feature
about: A template PR for contributing to this project

close #18

Checklists

• All CI checks pass
• The branch works when you pull it and run it locally

HTML

• the code is well-formatted
• the HTML code passes validator.w3.org
• there are no inline styles (example: style='color: red;')
• there are no <style> tags with CSS, all styles are hrefs
• there is no inline JavaScript (example: onclick='doSomething()')
• there are no <script> tags with JS, all JS is in an separate file
• ids are used for JavaScript only, not for CSS
• semantic tags are used
• ARIA labels are used where necessary
• spelling and grammar is correct in all site content

CSS

• the code is well-formatted
• the code does not use any # id's
• styles are responsive

JavaScript

• code is clean and easy to read
• helpful variable names are used
• all comments are clear and help to understand the code
• there is no unused code in comments
• all file names are helpful and match their exports

src/data.js

• the file does not import anything
• the file only exports JS data (primitives, arrays, objects, ...)
• the file does not contain any functions or logic
• (optional) the data is documented with JSDocs

src/init

• there is an index.js that is included by the index.html file
• ../listener files are imported
• there is no code that needs to run after the page is initialized
• any other files have helpful names

src/listeners

• the DOM can be queried to find elements
• the DOM is not be modified
• handlers are imported and used as callbacks to event listeners
• no other functions are imported or used
• the file name makes sense for the listener

src/handlers

• handlers have a JSDoc comment
• the function name matches the file name
• handlers are used as a callback to .addEventListener somewhere in the program
• functions from /logic or /procedures files may be imported and called
• functions from /handlers may be imported and attached to the DOM with event listeners
• data from /data.js may be imported and used
• handlers may read and write to the DOM
• handlers do not return values that you will need later in the program

src/components

• A DOM element is returned
• handlers can be imported and used as callbacks to event listeners
• logic, components and procedures can also be imported
• there is an HTML test file to render the component with different inputs
• each component has a .test.html file
• bonus points for a unit test .spec.js file

src/logic

• the handler has a complete and correct JSDoc comment
• the function name matches the file name
• other functions from /logic may be imported and called
• the function does not read or write to the DOM
• the function does not log to the console
• each logic function has a .spec.js file
  • tests are simple with no extra code
  • tests are well-named
  • tests cover common use cases (bonus for edge cases)
  • tests check for side-effects (if necessary)