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app/javascript/flavours/glitch/reducers/notification_groups.ts

Summary

Maintainability
F
3 wks
Test Coverage

File notification_groups.ts has 536 lines of code (exceeds 250 allowed). Consider refactoring.
Open

import { createReducer, isAnyOf } from '@reduxjs/toolkit';

import {
  authorizeFollowRequestSuccess,
  blockAccountSuccess,
Severity: Major
Found in app/javascript/flavours/glitch/reducers/notification_groups.ts - About 1 day to fix

    Function notificationGroupsReducer has 184 lines of code (exceeds 25 allowed). Consider refactoring.
    Open

      (builder) => {
    builder
      .addCase(fetchNotifications.fulfilled, (state, action) => {
        state.groups = action.payload.map((json) =>
          json.type === 'gap' ? json : createNotificationGroupFromJSON(json),
    Severity: Major
    Found in app/javascript/flavours/glitch/reducers/notification_groups.ts - About 7 hrs to fix

      Function fillNotificationsGap has 41 lines of code (exceeds 25 allowed). Consider refactoring.
      Open

      function fillNotificationsGap(
  groups: NotificationGroupsState['groups'],
  gap: NotificationGap,
  notifications: ApiNotificationGroupJSON[],
): NotificationGroupsState['groups'] {
      Severity: Minor
      Found in app/javascript/flavours/glitch/reducers/notification_groups.ts - About 1 hr to fix

        Function mergeGaps has a Cognitive Complexity of 13 (exceeds 5 allowed). Consider refactoring.
        Open

        function mergeGaps(groups: NotificationGroupsState['groups']) {
  for (let i = 0; i < groups.length; i++) {
    const firstGroupOrGap = groups[i];

    if (firstGroupOrGap?.type === 'gap') {
        Severity: Minor
        Found in app/javascript/flavours/glitch/reducers/notification_groups.ts - About 1 hr to fix

        Cognitive Complexity

        Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

        A method's cognitive complexity is based on a few simple rules:

        • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
        • Code is considered more complex for each "break in the linear flow of the code"
        • Code is considered more complex when "flow breaking structures are nested"

        Further reading

        Function processNewNotification has 36 lines of code (exceeds 25 allowed). Consider refactoring.
        Open

        function processNewNotification(
  groups: NotificationGroupsState['groups'],
  notification: ApiNotificationJSON,
) {
  if (!shouldGroupNotificationType(notification.type)) {
        Severity: Minor
        Found in app/javascript/flavours/glitch/reducers/notification_groups.ts - About 1 hr to fix

          Function processNewNotification has a Cognitive Complexity of 10 (exceeds 5 allowed). Consider refactoring.
          Open

          function processNewNotification(
  groups: NotificationGroupsState['groups'],
  notification: ApiNotificationJSON,
) {
  if (!shouldGroupNotificationType(notification.type)) {
          Severity: Minor
          Found in app/javascript/flavours/glitch/reducers/notification_groups.ts - About 1 hr to fix

          Cognitive Complexity

          Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

          A method's cognitive complexity is based on a few simple rules:

          • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
          • Code is considered more complex for each "break in the linear flow of the code"
          • Code is considered more complex when "flow breaking structures are nested"

          Further reading

          Similar blocks of code found in 2 locations. Consider refactoring.
          Open

          export const notificationGroupsReducer = createReducer<NotificationGroupsState>(
  initialState,
  (builder) => {
    builder
      .addCase(fetchNotifications.fulfilled, (state, action) => {
          Severity: Major
          Found in app/javascript/flavours/glitch/reducers/notification_groups.ts and 1 other location - About 1 wk to fix
          app/javascript/mastodon/reducers/notification_groups.ts on lines 434..631

          Duplicated Code

          Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

          Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

          When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

          Tuning

          This issue has a mass of 1609.

          We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

          The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

          If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

          See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

          Refactorings

          Further Reading

          Similar blocks of code found in 2 locations. Consider refactoring.
          Open

          function fillNotificationsGap(
  groups: NotificationGroupsState['groups'],
  gap: NotificationGap,
  notifications: ApiNotificationGroupJSON[],
): NotificationGroupsState['groups'] {
          Severity: Major
          Found in app/javascript/flavours/glitch/reducers/notification_groups.ts and 1 other location - About 2 days to fix
          app/javascript/mastodon/reducers/notification_groups.ts on lines 312..390

          Duplicated Code

          Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

          Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

          When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

          Tuning

          This issue has a mass of 485.

          We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

          The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

          If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

          See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

          Refactorings

          Further Reading

          Similar blocks of code found in 2 locations. Consider refactoring.
          Open

          function processNewNotification(
  groups: NotificationGroupsState['groups'],
  notification: ApiNotificationJSON,
) {
  if (!shouldGroupNotificationType(notification.type)) {
          Severity: Major
          Found in app/javascript/flavours/glitch/reducers/notification_groups.ts and 1 other location - About 2 days to fix
          app/javascript/mastodon/reducers/notification_groups.ts on lines 205..256

          Duplicated Code

          Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

          Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

          When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

          Tuning

          This issue has a mass of 398.

          We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

          The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

          If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

          See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

          Refactorings

          Further Reading

          Similar blocks of code found in 2 locations. Consider refactoring.
          Open

          function filterNotificationsForAccounts(
  groups: NotificationGroupsState['groups'],
  accountIds: string[],
  onlyForType?: string,
) {
          Severity: Major
          Found in app/javascript/flavours/glitch/reducers/notification_groups.ts and 1 other location - About 1 day to fix
          app/javascript/mastodon/reducers/notification_groups.ts on lines 77..107

          Duplicated Code

          Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

          Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

          When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

          Tuning

          This issue has a mass of 225.

          We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

          The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

          If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

          See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

          Refactorings

          Further Reading

          Similar blocks of code found in 2 locations. Consider refactoring.
          Open

          function mergeGaps(groups: NotificationGroupsState['groups']) {
  for (let i = 0; i < groups.length; i++) {
    const firstGroupOrGap = groups[i];

    if (firstGroupOrGap?.type === 'gap') {
          Severity: Major
          Found in app/javascript/flavours/glitch/reducers/notification_groups.ts and 1 other location - About 1 day to fix
          app/javascript/mastodon/reducers/notification_groups.ts on lines 158..181

          Duplicated Code

          Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

          Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

          When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

          Tuning

          This issue has a mass of 203.

          We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

          The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

          If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

          See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

          Refactorings

          Further Reading

          Similar blocks of code found in 2 locations. Consider refactoring.
          Open

          function shouldMarkNewNotificationsAsRead(
  {
    isTabVisible,
    scrolledToTop,
    mounted,
          Severity: Major
          Found in app/javascript/flavours/glitch/reducers/notification_groups.ts and 1 other location - About 6 hrs to fix
          app/javascript/mastodon/reducers/notification_groups.ts on lines 265..290

          Duplicated Code

          Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

          Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

          When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

          Tuning

          This issue has a mass of 158.

          We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

          The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

          If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

          See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

          Refactorings

          Further Reading

          Similar blocks of code found in 2 locations. Consider refactoring.
          Open

          function mergeGapsAround(
  groups: NotificationGroupsState['groups'],
  index: number,
) {
  if (index > 0) {
          Severity: Major
          Found in app/javascript/flavours/glitch/reducers/notification_groups.ts and 1 other location - About 4 hrs to fix
          app/javascript/mastodon/reducers/notification_groups.ts on lines 184..203

          Duplicated Code

          Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

          Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

          When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

          Tuning

          This issue has a mass of 133.

          We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

          The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

          If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

          See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

          Refactorings

          Further Reading

          Similar blocks of code found in 2 locations. Consider refactoring.
          Open

          function ensureLeadingGap(
  groups: NotificationGroupsState['groups'],
): NotificationGap {
  if (groups[0]?.type === 'gap') {
    // We're expecting new notifications, so discard the maxId if there is one
          Severity: Major
          Found in app/javascript/flavours/glitch/reducers/notification_groups.ts and 1 other location - About 4 hrs to fix
          app/javascript/mastodon/reducers/notification_groups.ts on lines 393..410

          Duplicated Code

          Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

          Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

          When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

          Tuning

          This issue has a mass of 124.

          We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

          The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

          If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

          See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

          Refactorings

          Further Reading

          Similar blocks of code found in 2 locations. Consider refactoring.
          Open

          function ensureTrailingGap(
  groups: NotificationGroupsState['groups'],
): NotificationGap {
  const groupOrGap = groups.at(-1);
          Severity: Major
          Found in app/javascript/flavours/glitch/reducers/notification_groups.ts and 1 other location - About 4 hrs to fix
          app/javascript/mastodon/reducers/notification_groups.ts on lines 413..432

          Duplicated Code

          Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

          Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

          When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

          Tuning

          This issue has a mass of 123.

          We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

          The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

          If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

          See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

          Refactorings

          Further Reading

          Identical blocks of code found in 2 locations. Consider refactoring.
          Open

          function updateLastReadId(
  state: NotificationGroupsState,
  group: NotificationGroup | undefined = undefined,
) {
  if (shouldMarkNewNotificationsAsRead(state)) {
          Severity: Major
          Found in app/javascript/flavours/glitch/reducers/notification_groups.ts and 1 other location - About 3 hrs to fix
          app/javascript/mastodon/reducers/notification_groups.ts on lines 292..304

          Duplicated Code

          Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

          Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

          When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

          Tuning

          This issue has a mass of 107.

          We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

          The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

          If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

          See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

          Refactorings

          Further Reading

          Identical blocks of code found in 2 locations. Consider refactoring.
          Open

          interface NotificationGroupsState {
  groups: (NotificationGroup | NotificationGap)[];
  pendingGroups: (NotificationGroup | NotificationGap)[];
  scrolledToTop: boolean;
  isLoading: boolean;
          Severity: Major
          Found in app/javascript/flavours/glitch/reducers/notification_groups.ts and 1 other location - About 3 hrs to fix
          app/javascript/mastodon/reducers/notification_groups.ts on lines 51..61

          Duplicated Code

          Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

          Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

          When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

          Tuning

          This issue has a mass of 101.

          We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

          The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

          If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

          See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

          Refactorings

          Further Reading

          Similar blocks of code found in 2 locations. Consider refactoring.
          Open

          function filterNotificationsForStatus(
  groups: NotificationGroupsState['groups'],
  statusId: string,
) {
  groups = groups.filter(
          Severity: Major
          Found in app/javascript/flavours/glitch/reducers/notification_groups.ts and 1 other location - About 2 hrs to fix
          app/javascript/mastodon/reducers/notification_groups.ts on lines 109..121

          Duplicated Code

          Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

          Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

          When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

          Tuning

          This issue has a mass of 85.

          We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

          The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

          If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

          See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

          Refactorings

          Further Reading

          Similar blocks of code found in 2 locations. Consider refactoring.
          Open

          const initialState: NotificationGroupsState = {
  groups: [],
  pendingGroups: [], // holds pending groups in slow mode
  scrolledToTop: false,
  isLoading: false,
          Severity: Major
          Found in app/javascript/flavours/glitch/reducers/notification_groups.ts and 1 other location - About 1 hr to fix
          app/javascript/mastodon/reducers/notification_groups.ts on lines 63..75

          Duplicated Code

          Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

          Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

          When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

          Tuning

          This issue has a mass of 73.

          We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

          The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

          If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

          See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

          Refactorings

          Further Reading

          Similar blocks of code found in 2 locations. Consider refactoring.
          Open

          function removeNotificationsForAccounts(
  state: NotificationGroupsState,
  accountIds: string[],
  onlyForType?: string,
) {
          Severity: Major
          Found in app/javascript/flavours/glitch/reducers/notification_groups.ts and 1 other location - About 1 hr to fix
          app/javascript/mastodon/reducers/notification_groups.ts on lines 123..138

          Duplicated Code

          Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

          Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

          When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

          Tuning

          This issue has a mass of 69.

          We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

          The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

          If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

          See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

          Refactorings

          Further Reading

          Identical blocks of code found in 2 locations. Consider refactoring.
          Open

          function trimNotifications(state: NotificationGroupsState) {
  if (state.scrolledToTop && state.groups.length > NOTIFICATIONS_TRIM_LIMIT) {
    state.groups.splice(NOTIFICATIONS_TRIM_LIMIT);
    ensureTrailingGap(state.groups);
  }
          Severity: Major
          Found in app/javascript/flavours/glitch/reducers/notification_groups.ts and 1 other location - About 1 hr to fix
          app/javascript/mastodon/reducers/notification_groups.ts on lines 258..263

          Duplicated Code

          Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

          Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

          When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

          Tuning

          This issue has a mass of 68.

          We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

          The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

          If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

          See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

          Refactorings

          Further Reading

          Similar blocks of code found in 2 locations. Consider refactoring.
          Open

          function removeNotificationsForStatus(
  state: NotificationGroupsState,
  statusId: string,
) {
  state.groups = filterNotificationsForStatus(state.groups, statusId);
          Severity: Major
          Found in app/javascript/flavours/glitch/reducers/notification_groups.ts and 1 other location - About 1 hr to fix
          app/javascript/mastodon/reducers/notification_groups.ts on lines 140..149

          Duplicated Code

          Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

          Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

          When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

          Tuning

          This issue has a mass of 60.

          We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

          The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

          If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

          See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

          Refactorings

          Further Reading

          Identical blocks of code found in 2 locations. Consider refactoring.
          Open

          function isNotificationGroup(
  groupOrGap: NotificationGroup | NotificationGap,
): groupOrGap is NotificationGroup {
  return groupOrGap.type !== 'gap';
}
          Severity: Minor
          Found in app/javascript/flavours/glitch/reducers/notification_groups.ts and 1 other location - About 30 mins to fix
          app/javascript/mastodon/reducers/notification_groups.ts on lines 151..155

          Duplicated Code

          Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

          Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

          When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

          Tuning

          This issue has a mass of 45.

          We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

          The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

          If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

          See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

          Refactorings

          Further Reading

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