rfactor mapping-functions #98
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WalkthroughThe changes involve refactoring the Changes
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Actionable comments posted: 2
🧹 Outside diff range and nitpick comments (1)
src/mappers/access-ticket-mapper.ts (1)
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1-19: Overall improvement with a suggestion for consistent input validationThe refactoring of both
mapEntityToModelandmapModelToEntityfunctions has significantly improved readability and adheres to modern TypeScript practices. The use of explicit if statements, object destructuring, and concise return statements are all positive changes.To ensure consistency and type safety across both functions, consider implementing the following pattern for input validation:
export const mapEntityToModel = ( accessTicketEntity: AccessTicketEntity, ): AccessTicketModel | undefined => { if (accessTicketEntity === undefined) return undefined; // ... rest of the function }; export const mapModelToEntity = ( accessTicketModel: AccessTicketModel, ): AccessTicketEntity | undefined => { if (accessTicketModel === undefined) return undefined; // ... rest of the function };This approach maintains the improved readability while ensuring that the functions behave consistently with their type signatures.
src/mappers/access-ticket-mapper.ts
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| if (!accessTicketEntity) return undefined; | ||
| const { shlink_id, id } = accessTicketEntity; | ||
| return new AccessTicketModel(shlink_id, id); |
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Consider narrowing the input validation condition.
The refactoring improves readability and follows modern TypeScript practices, which is great. However, the input validation has changed from checking specifically for undefined to checking for any falsy value.
Consider modifying the condition to explicitly check for undefined:
if (accessTicketEntity === undefined) return undefined;This ensures consistent behavior with the function's type signature and prevents unexpected results with other falsy values.
The use of object destructuring and the explicit return of a new AccessTicketModel instance are good practices.
| if (!accessTicketModel) return undefined; | ||
| return { | ||
| id: accessTicketModel.getId(), | ||
| shlink_id: accessTicketModel.getSHLinkId(), | ||
| }; |
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Consider narrowing the input validation condition.
The refactoring improves readability and follows modern TypeScript practices, which is excellent. However, similar to the mapEntityToModel function, the input validation has changed from checking specifically for undefined to checking for any falsy value.
Consider modifying the condition to explicitly check for undefined:
if (accessTicketModel === undefined) return undefined;This ensures consistent behavior with the function's type signature and prevents unexpected results with other falsy values.
The use of an object literal for the return value is a clean and concise approach. The mapping of model properties to entity properties is correct.
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Maybe refactor this like:
return accessTicketModel ? {
id: accessTicketModel.getId(),
shlink_id: accessTicketModel.getSHLinkId(),
}: undefined
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@godchiSymbionix, thank you for the suggestion. Refactoring the code to use the ternary operator makes it more concise:
return accessTicketModel ? {
id: accessTicketModel.getId(),
shlink_id: accessTicketModel.getSHLinkId(),
} : undefined;This approach is clear and maintains the intended functionality.
✏️ Learnings added
Learnt from: godchiSymbionix
PR: jembi/smart-health-links-portal#98
File: src/mappers/access-ticket-mapper.ts:15-19
Timestamp: 2024-09-30T08:33:22.808Z
Learning: In the `mapModelToEntity` function and similar cases, prefer using the ternary operator for conciseness when handling undefined values.
Note: Learnings are effective only in the context of similar code segments. To apply general coding guidelines, please configure review instructions. You can manage existing learnings in the app.
Summary by CodeRabbit
ifstatements for handlingundefinedinputs.