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nagix/chartjs-plugin-streaming

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src/plugins/plugin.annotation.js

Summary

Maintainability
F
4 days
Test Coverage

Function updateBoxAnnotation has a Cognitive Complexity of 26 (exceeds 6 allowed). Consider refactoring.
Open

function updateBoxAnnotation(element, chart, options) {
  const {scales, chartArea} = chart;
  const {xScaleID, yScaleID, xMin, xMax, yMin, yMax} = options;
  const xScale = scales[xScaleID];
  const yScale = scales[yScaleID];
Severity: Minor
Found in src/plugins/plugin.annotation.js - About 3 hrs 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 updateLineAnnotation has a Cognitive Complexity of 25 (exceeds 6 allowed). Consider refactoring.
Open

function updateLineAnnotation(element, chart, options) {
  const {scales, chartArea} = chart;
  const {scaleID, value} = options;
  const scale = scales[scaleID];
  const {top, left, bottom, right} = chartArea;
Severity: Minor
Found in src/plugins/plugin.annotation.js - About 3 hrs 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 updateLineAnnotation has 47 lines of code (exceeds 25 allowed). Consider refactoring.
Open

function updateLineAnnotation(element, chart, options) {
  const {scales, chartArea} = chart;
  const {scaleID, value} = options;
  const scale = scales[scaleID];
  const {top, left, bottom, right} = chartArea;
Severity: Minor
Found in src/plugins/plugin.annotation.js - About 1 hr to fix

    Function updateBoxAnnotation has 34 lines of code (exceeds 25 allowed). Consider refactoring.
    Open

    function updateBoxAnnotation(element, chart, options) {
  const {scales, chartArea} = chart;
  const {xScaleID, yScaleID, xMin, xMax, yMin, yMax} = options;
  const xScale = scales[xScaleID];
  const yScale = scales[yScaleID];
    Severity: Minor
    Found in src/plugins/plugin.annotation.js - About 1 hr to fix

      Function attachChart has a Cognitive Complexity of 7 (exceeds 6 allowed). Consider refactoring.
      Open

      export function attachChart(plugin, chart) {
  const streaming = chart.$streaming;

  if (streaming.annotationPlugin !== plugin) {
    const afterUpdate = plugin.afterUpdate;
      Severity: Minor
      Found in src/plugins/plugin.annotation.js - About 25 mins 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

        if (yScale) {
    const min = scaleValue(yScale, yMin, top);
    const max = scaleValue(yScale, yMax, bottom);
    const reverse = min.value > max.value;
      Severity: Major
      Found in src/plugins/plugin.annotation.js and 1 other location - About 6 hrs to fix
      src/plugins/plugin.annotation.js on lines 19..33

      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 165.

      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

        if (xScale) {
    const min = scaleValue(xScale, xMin, left);
    const max = scaleValue(xScale, xMax, right);
    const reverse = min.value > max.value;
      Severity: Major
      Found in src/plugins/plugin.annotation.js and 1 other location - About 6 hrs to fix
      src/plugins/plugin.annotation.js on lines 35..49

      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 165.

      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

        if (xScale) {
    const min = scaleValue(xScale, xMin);
    const max = scaleValue(xScale, xMax);

    if (min.transitionable) {
      Severity: Major
      Found in src/plugins/plugin.annotation.js and 1 other location - About 4 hrs to fix
      src/plugins/plugin.annotation.js on lines 91..105

      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 117.

      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

        if (yScale) {
    const min = scaleValue(yScale, yMin);
    const max = scaleValue(yScale, yMax);

    if (min.transitionable) {
      Severity: Major
      Found in src/plugins/plugin.annotation.js and 1 other location - About 4 hrs to fix
      src/plugins/plugin.annotation.js on lines 75..89

      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 117.

      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

        if (yScale) {
    const y = scaleValue(yScale, yValue);

    if (y.transitionable) {
      streaming.y = {axisId: yScaleID};
      Severity: Minor
      Found in src/plugins/plugin.annotation.js and 1 other location - About 35 mins to fix
      src/plugins/plugin.annotation.js on lines 117..123

      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 47.

      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

        if (xScale) {
    const x = scaleValue(xScale, xValue);

    if (x.transitionable) {
      streaming.x = {axisId: xScaleID};
      Severity: Minor
      Found in src/plugins/plugin.annotation.js and 1 other location - About 35 mins to fix
      src/plugins/plugin.annotation.js on lines 125..131

      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 47.

      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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