Refactor login form and improve error handling #37
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…sages; Add lazy loading
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WalkthroughThis pull request includes several updates across multiple components to enhance error handling, user experience, and component loading. The Changes
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Visit the preview URL for this PR (updated for commit 56bf402): https://waldorfwahlen--pr37-feat-lazy-loading-xvfzuesd.web.app (expires Mon, 16 Dec 2024 22:29:12 GMT) 🔥 via Firebase Hosting GitHub Action 🌎 Sign: 29598eeceef3a0396a20fa770c02232c60673862 |
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Actionable comments posted: 7
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📒 Files selected for processing (7)
src/Vote.jsx(1 hunks)src/admin/Overview.jsx(1 hunks)src/admin/auth/Login.tsx(2 hunks)src/admin/index.jsx(1 hunks)src/admin/navigation/DrawerList.jsx(1 hunks)src/main.jsx(1 hunks)vite.config.js(1 hunks)
✅ Files skipped from review due to trivial changes (3)
- src/admin/navigation/DrawerList.jsx
- src/admin/Overview.jsx
- vite.config.js
🔇 Additional comments (1)
src/admin/index.jsx (1)
116-119: LGTM
The snackbar notification now includes the closeable: true property, allowing users to dismiss the message. This enhancement is correctly implemented.
| const email = formData.get("email") as string; | ||
| const password = formData.get("password") as string; |
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Ensure email and password are not null before use
The formData.get() method can return null if the form fields are missing. Casting a null value to a string may lead to runtime errors when calling authentication functions. It's important to validate that email and password are not null or undefined before proceeding.
Apply this diff to add null checks:
const email = formData.get("email") as string;
const password = formData.get("password") as string;
+if (!email || !password) {
+ snackbar({ message: "Bitte geben Sie Ihre Email und Ihr Passwort ein." });
+ setLoading(false);
+ return;
+}Committable suggestion skipped: line range outside the PR's diff.
| setLoading(true); | ||
| sendPasswordResetEmail(auth, email) | ||
| .then(() => { | ||
| alert({ | ||
| headline: "Email gesendet", | ||
| description: "Bitte überprüfen Sie Ihren Posteingang.", | ||
| }); | ||
| setLoading(false); | ||
| }) | ||
| .catch((error) => { | ||
| console.error(error); | ||
| alert({ | ||
| headline: "Fehler", | ||
| description: error.message, | ||
| }); | ||
| setLoading(false); |
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🛠️ Refactor suggestion
Validate email input before sending password reset email
Ensure that the email provided is not empty to prevent errors when sending the password reset email. This enhances user experience and avoids unnecessary API calls.
Apply this diff to add an email validation check:
onConfirm: (email) => {
+ if (!email) {
+ alert({
+ headline: "Email erforderlich",
+ description: "Bitte geben Sie Ihre Email-Adresse ein.",
+ });
+ return;
+ }
setLoading(true);
sendPasswordResetEmail(auth, email)Committable suggestion skipped: line range outside the PR's diff.
src/main.jsx
Outdated
| lazy: async () => ({ | ||
| loader: (await import("./App")).default.loader, | ||
| Component: (await import("./App")).default, | ||
| }), |
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🛠️ Refactor suggestion
Optimize dynamic imports to avoid redundant module loading
In the lazy functions, the same module is imported multiple times within the function, which can lead to unnecessary overhead. Import the module once and reuse it within the function to improve performance.
Apply this change to each lazy function:
lazy: async () => {
+ const module = await import("./App");
return {
- loader: (await import("./App")).default.loader,
- Component: (await import("./App")).default,
+ loader: module.default.loader,
+ Component: module.default,
};
},Repeat this pattern for all similar lazy functions where multiple imports of the same module occur.
Also applies to: 28-31, 35-38, 42-45, 49-52, 56-59, 63-65, 69-72, 76-78, 82-85, 89-91, 95-98, 102-105, 109-112, 116-119, 126-129, 133-136, 140-143, 147-149, 153-156, 160-163, 167-170, 174-177, 181-184, 188-191, 195-198
| console.error(error); | ||
| alert( | ||
| "Es ist ein Fehler aufgetreten. Bitte versuchen Sie es später erneut.\n"+error | ||
| ) | ||
| } |
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Avoid concatenating raw error objects in user alerts
Again, to maintain consistency and security, use error.message when displaying error information to the user.
Apply this diff:
onActionClick: () => {
console.error(error);
alert(
- "Es ist ein Fehler aufgetreten. Bitte versuchen Sie es später erneut.\n" + error
+ "Es ist ein Fehler aufgetreten. Bitte versuchen Sie es später erneut.\n" + error.message
);
}Committable suggestion skipped: line range outside the PR's diff.
| console.error(error); | ||
| alert( | ||
| "Es scheint, als gäbe es ein Problem mit Ihrer Internetverbindung. Bitte überprüfen Sie diese und versuchen Sie es erneut.\n"+error | ||
| ) | ||
| } |
There was a problem hiding this comment.
Avoid concatenating raw error objects in user alerts
Similar to the previous issue, ensure that you use error.message instead of the raw error object to provide meaningful error information to the user.
Apply this diff:
onActionClick: () => {
console.error(error);
alert(
- "Es scheint, als gäbe es ein Problem mit Ihrer Internetverbindung. Bitte überprüfen Sie diese und versuchen Sie es erneut.\n" + error
+ "Es scheint, als gäbe es ein Problem mit Ihrer Internetverbindung. Bitte überprüfen Sie diese und versuchen Sie es erneut.\n" + error.message
);
}Committable suggestion skipped: line range outside the PR's diff.
| console.error(error); | ||
| alert( | ||
| "Es scheint, als sei die Wahl nicht mehr verfügbar. Bitte versuchen Sie es später erneut.\n"+error | ||
| ) | ||
| } |
There was a problem hiding this comment.
Avoid concatenating raw error objects in user alerts
Concatenating the error object directly in the alert message may not display meaningful information and can expose sensitive data. Use error.message to provide a user-friendly error description.
Apply this diff to improve the error message:
onActionClick: () => {
console.error(error);
alert(
- "Es scheint, als sei die Wahl nicht mehr verfügbar. Bitte versuchen Sie es später erneut.\n" + error
+ "Es scheint, als sei die Wahl nicht mehr verfügbar. Bitte versuchen Sie es später erneut.\n" + error.message
);
}
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Actionable comments posted: 0
🧹 Outside diff range and nitpick comments (2)
src/admin/auth/Login.tsx (2)
21-26: Consider refactoring to use controlled components for form inputsWhile the current implementation uses
FormDatato handle form submissions, refactoring to controlled components would provide better state management and validation capabilities. Controlled components keep the form data in the React state, allowing for real-time validation and feedback, which enhances user experience.Also applies to: 97-113
8-8: Avoid importing CSS from unrelated componentsImporting
"../../vote.css"may bring in styles that are not relevant to theLogincomponent and can lead to unintended styling conflicts. Consider creating a separate CSS file for theLogincomponent or ensuring that the imported styles are necessary.
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📒 Files selected for processing (1)
src/admin/auth/Login.tsx(2 hunks)
🔇 Additional comments (3)
src/admin/auth/Login.tsx (3)
25-26: Ensure email and password are not null before use
The formData.get() method can return null if the form fields are missing. Casting a null value to a string may lead to runtime errors. It's important to validate that email and password are not null or undefined before proceeding.
Apply this diff to add null checks:
const email = formData.get("email") as string;
const password = formData.get("password") as string;
+if (!email || !password) {
+ snackbar({ message: "Bitte geben Sie Ihre Email und Ihr Passwort ein." });
+ setLoading(false);
+ return;
+}40-44: Avoid displaying raw error messages to users
Displaying technical error messages (error.message) directly to users can expose sensitive information and may not be user-friendly. Consider showing a generic error message instead.
Apply this diff to provide a user-friendly error message:
.catch((error) => {
console.error(error);
- snackbar({
- message: error.message,
- });
+ snackbar({
+ message: "Anmeldung fehlgeschlagen. Bitte überprüfen Sie Ihre Eingaben und versuchen Sie es erneut.",
+ closeable: true,
+ });
setLoading(false);
});61-76: Validate email input before sending password reset email
Ensure that the email provided is not empty to prevent errors when sending the password reset email. This enhances user experience and avoids unnecessary API calls.
Apply this diff to add an email validation check:
onConfirm: (email) => {
+ if (!email) {
+ alert({
+ headline: "Email erforderlich",
+ description: "Bitte geben Sie Ihre Email-Adresse ein.",
+ });
+ return;
+ }
setLoading(true);
sendPasswordResetEmail(auth, email)
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This pull request includes several changes to improve error handling, enhance user experience, and optimize code loading in the project. The most important changes include adding detailed error messages with actions, updating icons for better consistency, and implementing lazy loading for route components. Error handling improvements:
User experience enhancements:
Code optimization:
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Refactor the login form to use controlled components and add loading state. Enhance error handling with snackbar notifications and update icons for better clarity. Implement lazy loading for improved performance.
Summary by CodeRabbit
New Features
Bug Fixes
Style
Chores