WikiEducationFoundation/WikiEduDashboard

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app/assets/javascripts/reducers/timeline.js

Summary

Maintainability
C
1 day
Test Coverage
A
96%

Function timeline has 85 lines of code (exceeds 25 allowed). Consider refactoring.
Open

export default function timeline(state = initialState, action) {
  switch (action.type) {
    case SAVED_TIMELINE:
    case RECEIVE_TIMELINE: {
      return {
Severity: Major
Found in app/assets/javascripts/reducers/timeline.js - About 3 hrs to fix

    Function updateBlockPosition has 30 lines of code (exceeds 25 allowed). Consider refactoring.
    Open

    const updateBlockPosition = (movingBlock, newWeekId, targetIndex, blocks) => {
      const oldWeekId = movingBlock.id;
      const movedBlock = { ...movingBlock };
      movedBlock.week_id = newWeekId;
      const weekChanged = newWeekId !== oldWeekId;
    Severity: Minor
    Found in app/assets/javascripts/reducers/timeline.js - About 1 hr to fix

      Avoid too many return statements within this function.
      Open

            return { ...state, blocks, editableBlockIds: [...state.editableBlockIds, action.tempId] };
      Severity: Major
      Found in app/assets/javascripts/reducers/timeline.js - About 30 mins to fix

        Avoid too many return statements within this function.
        Open

              return { ...state, blocks, persistedBlocks, editableBlockIds: removeBlockId(state.editableBlockIds, action.blockId) };
        Severity: Major
        Found in app/assets/javascripts/reducers/timeline.js - About 30 mins to fix

          Avoid too many return statements within this function.
          Open

                return { ...state, blocks, editableBlockIds: removeBlockId(state.editableBlockIds, action.blockId) };
          Severity: Major
          Found in app/assets/javascripts/reducers/timeline.js - About 30 mins to fix

            Avoid too many return statements within this function.
            Open

                  return { ...state, blocks };
            Severity: Major
            Found in app/assets/javascripts/reducers/timeline.js - About 30 mins to fix

              Avoid too many return statements within this function.
              Open

                    return { ...state, blocks: updatedBlocks };
              Severity: Major
              Found in app/assets/javascripts/reducers/timeline.js - About 30 mins to fix

                Avoid too many return statements within this function.
                Open

                      return {
                        ...state,
                        blocks: {
                          ...state.blocks,
                          [block.id]: block
                Severity: Major
                Found in app/assets/javascripts/reducers/timeline.js - About 30 mins to fix

                  Avoid too many return statements within this function.
                  Open

                        return { ...state, weeks };
                  Severity: Major
                  Found in app/assets/javascripts/reducers/timeline.js - About 30 mins to fix

                    Avoid too many return statements within this function.
                    Open

                          return { ...state, weeks };
                    Severity: Major
                    Found in app/assets/javascripts/reducers/timeline.js - About 30 mins to fix

                      Avoid too many return statements within this function.
                      Open

                            return { ...state, blocks: { ...state.blocksPersisted }, weeks: deepCopyWeeks(state.weeksPersisted), editableBlockIds: [] };
                      Severity: Major
                      Found in app/assets/javascripts/reducers/timeline.js - About 30 mins to fix

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

                          blocksInNewWeek.forEach((block, i) => {
                            const updatedBlock = { ...block, order: i };
                            updatedBlocks[block.id] = updatedBlock;
                          });
                        Severity: Minor
                        Found in app/assets/javascripts/reducers/timeline.js and 1 other location - About 40 mins to fix
                        app/assets/javascripts/reducers/timeline.js on lines 140..143

                        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 48.

                        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

                          blocksInOldWeek.forEach((block, i) => {
                            const updatedBlock = { ...block, order: i };
                            updatedBlocks[block.id] = updatedBlock;
                          });
                        Severity: Minor
                        Found in app/assets/javascripts/reducers/timeline.js and 1 other location - About 40 mins to fix
                        app/assets/javascripts/reducers/timeline.js on lines 144..147

                        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 48.

                        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

                        Parsing error: Cannot find module 'babel-plugin-root-import' Require stack: - /usr/local/node_modules/@babel/core/lib/config/files/plugins.js - /usr/local/node_modules/@babel/core/lib/config/files/index.js - /usr/local/node_modules/@babel/core/lib/index.js - /usr/local/node_modules/@babel/eslint-parser/lib/worker/babel-core.cjs - /usr/local/node_modules/@babel/eslint-parser/lib/worker/handle-message.cjs - /usr/local/node_modules/@babel/eslint-parser/lib/client.cjs - /usr/local/node_modules/@babel/eslint-parser/lib/index.cjs - /usr/local/node_modules/eslint/lib/cli-engine/config-array-factory.js - /usr/src/app/lib/eslint6-patch.js - /usr/src/app/lib/eslint.js - /usr/src/app/bin/eslint.js
                        Open

                        import {

                        For more information visit Source: http://eslint.org/docs/rules/

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