In this project, let's build a Gallery App by applying the concepts we have learned till now.

Refer to the image below:

Design Files

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• Extra Small (Size < 576px) and Small (Size >= 576px)
• Medium (Size >= 768px), Large (Size >= 992px) and Extra Large (Size >= 1200px)

Set Up Instructions

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• Download dependencies by running npm install
• Start up the app using npm start

Completion Instructions

Functionality to be added

The app must have the following functionalities

• Initially, the first image in the list should be displayed

• When the user clicks on a thumbnail, then the corresponding image should be displayed

• The Gallery component is provided with imagesList. It consists of a list of image details objects with the following properties in each object

  Key	Data Type
  id	Number
  imageUrl	String
  thumbnailUrl	String
  imageAltText	String
  thumbnailAltText	String

Components Structure

Implementation Files

Use these files to complete the implementation:

• src/components/Gallery/index.js
• src/components/Gallery/index.css
• src/components/ThumbnailItem/index.js
• src/components/ThumbnailItem/index.css

Quick Tips

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• You can use the CSS opacity property to set the degree to which content behind an element is hidden. It accepts a value in the range of 0.0 to 1.0 inclusive

  opacity: 0.5;
  

Important Note

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The following instructions are required for the tests to pass

• The selected image should have the alt as the value of the key imageAltText from each image details object provided
• The thumbnail images should have the alt as values of the key thumbnailAltText from each image details object provided

Resources

Colors

Hex: #1e293b

Hex: #ffffff

Hex: #64748b

Font-families

• Roboto

Things to Keep in Mind

• All components you implement should go in the src/components directory.
• Don't change the component folder names as those are the files being imported into the tests.
• Do not remove the pre-filled code
• Want to quickly review some of the concepts you’ve been learning? Take a look at the Cheat Sheets.