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src/views/textview/text-view-left.js

Summary

Maintainability
C
1 day
Test Coverage

File text-view-left.js has 276 lines of code (exceeds 250 allowed). Consider refactoring.
Open

import { customElement, html, LitElement, property } from 'lit-element';
import { removeDuplicates } from '../utility/views-common';
import { getFileTextAndParallels } from '../../api/actions';

import sharedDataViewStyles from '../data/data-view-shared.styles';
Severity: Minor
Found in src/views/textview/text-view-left.js - About 2 hrs to fix

    Function addSegmentObservers has 40 lines of code (exceeds 25 allowed). Consider refactoring.
    Open

      async addSegmentObservers() {
    if (this.addedSegmentObservers) {
      return;
    }
    const targets = this.shadowRoot.querySelectorAll('.left-segment');
    Severity: Minor
    Found in src/views/textview/text-view-left.js - About 1 hr to fix

      Function updated has 33 lines of code (exceeds 25 allowed). Consider refactoring.
      Open

        updated(_changedProperties) {
    _changedProperties.forEach(async (oldValue, propName) => {
      if (propName === 'fileName' && !this.fetchLoading) {
        if (!('leftTextData' in _changedProperties)) {
          this.handleFilenameChanged();
      Severity: Minor
      Found in src/views/textview/text-view-left.js - About 1 hr to fix

        Function fetchNewText has 33 lines of code (exceeds 25 allowed). Consider refactoring.
        Open

          async fetchNewText() {
    this.fetchLoading = true;
    const { textleft, parallels, error } = await getFileTextAndParallels({
      fileName: this.fileName,
      limit_collection: this.limitCollection,
        Severity: Minor
        Found in src/views/textview/text-view-left.js - About 1 hr to fix

          Function displayParallels has 32 lines of code (exceeds 25 allowed). Consider refactoring.
          Open

            displayParallels(element) {
    if (!element) {
      return;
    }
          Severity: Minor
          Found in src/views/textview/text-view-left.js - About 1 hr to fix

            Function addSegmentObservers has a Cognitive Complexity of 11 (exceeds 5 allowed). Consider refactoring.
            Open

              async addSegmentObservers() {
    if (this.addedSegmentObservers) {
      return;
    }
    const targets = this.shadowRoot.querySelectorAll('.left-segment');
            Severity: Minor
            Found in src/views/textview/text-view-left.js - 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 fetchNewText has a Cognitive Complexity of 10 (exceeds 5 allowed). Consider refactoring.
            Open

              async fetchNewText() {
    this.fetchLoading = true;
    const { textleft, parallels, error } = await getFileTextAndParallels({
      fileName: this.fileName,
      limit_collection: this.limitCollection,
            Severity: Minor
            Found in src/views/textview/text-view-left.js - 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

                this.shadowRoot
      .querySelectorAll(`.${C_HIGHLIGHTED_SEGMENT}`)
      .forEach(el => el.classList.remove(C_HIGHLIGHTED_SEGMENT));
            Severity: Minor
            Found in src/views/textview/text-view-left.js and 1 other location - About 40 mins to fix
            src/views/textview/text-view-left.js on lines 220..222

            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

                this.shadowRoot
      .querySelectorAll(`.${C_SELECTED_SEGMENT}`)
      .forEach(el => el.classList.remove(C_SELECTED_SEGMENT));
            Severity: Minor
            Found in src/views/textview/text-view-left.js and 1 other location - About 40 mins to fix
            src/views/textview/text-view-left.js on lines 223..225

            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

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