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Refactored Example Screen #78

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Refactored Example Screen #78

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himanshu-wedensday
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@himanshu-wedensday himanshu-wedensday commented Apr 11, 2024 •
edited by coderabbitai bot
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Description

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Summary by CodeRabbit

  • Refactor
    • Refactored the ExampleScreen to a functional component using hooks for better performance and maintainability.
  • Bug Fixes
    • Updated user data fetching logic to enhance reliability.
  • Tests
    • Enhanced test setups and consistency across unit tests to improve code quality and future maintenance.

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coderabbitai bot commented Apr 11, 2024 •
edited
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Walkthrough

This update involves refactoring the ExampleScreen in a React application to enhance readability and maintainability. The main changes include transitioning from a class-based component to a functional one using hooks, specifically useEffect, for better side-effect management. Additionally, the associated tests and reducers have been adjusted to align with the new component structure and improve test setup processes.

Changes

Files Changes
.../ExampleScreen/index.js, .../ExampleScreen/saga.js Refactored to functional component using hooks. Updated saga import.
.../ExampleScreen/reducer.js Simplified fetchUser function call.
.../ExampleScreen/tests/... Enhanced test setups and consistency in test files.

Poem

🌟🐰
In the land of code and screen,
A rabbit hopped to the scene.
With a flick and a hop, refactor done,
Functional hooks, oh what fun!
Cheers to clean code, run and test,
In the meadow of bytes, we do our best.
🌟🐰

Recent Review Details

Configuration used: CodeRabbit UI

Commits Files that changed from the base of the PR and between de4a313 and fe81854.
Files selected for processing (6)
  • app/scenes/ExampleScreen/index.js (2 hunks)
  • app/scenes/ExampleScreen/reducer.js (1 hunks)
  • app/scenes/ExampleScreen/saga.js (1 hunks)
  • app/scenes/ExampleScreen/tests/index.test.js (2 hunks)
  • app/scenes/ExampleScreen/tests/reducer.test.js (1 hunks)
  • app/scenes/ExampleScreen/tests/selectors.test.js (1 hunks)
Additional Context Used
GitHub Check Runs (1)
Coverage annotations (🧪 jest-coverage-report-action) success (27)

app/scenes/ExampleScreen/index.js: [warning] 91-93: 🧾 Statement is not covered
Warning! Not covered statement

app/scenes/ExampleScreen/index.js: [warning] 92-92: 🧾 Statement is not covered
Warning! Not covered statement

app/scenes/ExampleScreen/index.js: [warning] 91-91: 🕹 Function is not covered
Warning! Not covered function

app/scenes/ExampleScreen/index.js: [warning] 92-92: 🕹 Function is not covered
Warning! Not covered function

Additional comments not posted (12)
app/scenes/ExampleScreen/saga.js (2)

2-2: Direct import of get from lodash enhances clarity and potentially improves performance by avoiding extra destructuring.

Line range hint 9-20: The saga function fetchUser is well-implemented with appropriate handling of asynchronous calls and responses. Good use of yield and error handling.

app/scenes/ExampleScreen/tests/selectors.test.js (2)

8-25: The setupMockedState function effectively centralizes the creation of mocked state, simplifying test setup and improving maintainability.

27-41: The test cases using setupMockedState are well-structured and effectively test the selectors. Good job ensuring clarity and correctness in tests.

app/scenes/ExampleScreen/reducer.js (2)

44-44: Removing an unnecessary argument from the fetchUser function call simplifies the code and aligns with best practices.

41-47: > 📝 NOTE

This review was outside the diff hunks and was mapped to the diff hunk with the greatest overlap. Original lines [44-50]

The reducer is well-implemented with correct handling of action types and immutable state updates using produce from immer.

app/scenes/ExampleScreen/tests/index.test.js (2)

10-10: The setupJest function effectively centralizes the creation of a mock function, simplifying test setup and improving maintainability.

7-29: > 📝 NOTE

This review was outside the diff hunks and was mapped to the diff hunk with the greatest overlap. Original lines [13-36]

The test cases using setupJest are well-structured and effectively test the ExampleScreen component behavior. Good job ensuring clarity and correctness in tests.

app/scenes/ExampleScreen/tests/reducer.test.js (2)

8-11: The setupState function effectively centralizes the creation of initial state and user data, simplifying test setup and improving maintainability.

14-54: The test cases using setupState are well-structured and effectively test the reducer behavior. Good job ensuring clarity and correctness in tests.

app/scenes/ExampleScreen/index.js (2)

51-53: The use of useEffect to fetch user data on component mount is correctly implemented, effectively replacing the componentDidMount lifecycle method.

47-71: The ExampleScreen component is well-structured with appropriate use of hooks, styled components, and conditional rendering. The component maintains a clear separation of concerns.

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@github-actions GitHub Actions
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github-actions bot commented Apr 11, 2024 •
edited
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Coverage report

Total coverage

Status Category Percentage Covered / Total
🟢 Statements 93.17% 191/205
🟡 Branches 87.8% 36/41
🟡 Functions 89.74% 70/78
🟢 Lines 94.88% 389/410

Status of coverage: 🟢 - ok, 🟡 - slightly more than threshold, 🔴 - under the threshold

Report generated by 🧪jest coverage report action from fe81854

alichherawalla
alichherawalla reviewed Apr 12, 2024
View reviewed changes
app/scenes/ExampleScreen/reducer.js Outdated
[exampleScreenTypes.SUCCESS_FETCH_USER]: successFetchUser(state, action),
[exampleScreenTypes.FAILURE_FETCH_USER]: failureFetchUser(state, action)
};
if (actionTypes[action.type]) return actionTypes[action.type];
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let's pls add this rule to ensure that conditionals are always formatted as so

if (condition) {
  statement
}

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@himanshu-wedensday @alichherawalla