zingchart/zingtouch

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src/gestures/Pan.js

Summary

Maintainability
C
1 day
Test Coverage

Function move has 64 lines of code (exceeds 25 allowed). Consider refactoring.
Open

  move(inputs, state, element) {
    if (this.numInputs !== inputs.length) return null;

    const output = {
      data: [],
Severity: Major
Found in src/gestures/Pan.js - About 2 hrs to fix

    Function packData has 39 lines of code (exceeds 25 allowed). Consider refactoring.
    Open

        function packData( input, progress ) {
          const distanceFromOrigin = util.distanceBetweenTwoPoints(
            input.initial.x,
            input.current.x,
            input.initial.y,
    Severity: Minor
    Found in src/gestures/Pan.js - About 1 hr to fix

      Function constructor has a Cognitive Complexity of 7 (exceeds 5 allowed). Consider refactoring.
      Open

        constructor(options) {
          super();
      
          /**
           * The type of the Gesture.
      Severity: Minor
      Found in src/gestures/Pan.js - About 35 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 5 locations. Consider refactoring.
      Open

            const directionFromOrigin = util.getAngle(
              input.initial.x,
              input.initial.y,
              input.current.x,
              input.current.y
      Severity: Major
      Found in src/gestures/Pan.js and 4 other locations - About 45 mins to fix
      src/gestures/Pan.js on lines 110..115
      src/gestures/Pan.js on lines 130..135
      src/gestures/Pan.js on lines 136..141
      src/gestures/Pan.js on lines 148..153

      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 50.

      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 5 locations. Consider refactoring.
      Open

            const distanceFromLastEmit = util.distanceBetweenTwoPoints(
              progress.lastEmitted.x,
              input.current.x,
              progress.lastEmitted.y,
              input.current.y
      Severity: Major
      Found in src/gestures/Pan.js and 4 other locations - About 45 mins to fix
      src/gestures/Pan.js on lines 130..135
      src/gestures/Pan.js on lines 136..141
      src/gestures/Pan.js on lines 142..147
      src/gestures/Pan.js on lines 148..153

      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 50.

      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 5 locations. Consider refactoring.
      Open

            const currentDistance = util.distanceBetweenTwoPoints(
              progress.lastEmitted.x,
              input.current.x,
              progress.lastEmitted.y,
              input.current.y
      Severity: Major
      Found in src/gestures/Pan.js and 4 other locations - About 45 mins to fix
      src/gestures/Pan.js on lines 110..115
      src/gestures/Pan.js on lines 130..135
      src/gestures/Pan.js on lines 142..147
      src/gestures/Pan.js on lines 148..153

      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 50.

      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 5 locations. Consider refactoring.
      Open

            const distanceFromOrigin = util.distanceBetweenTwoPoints(
              input.initial.x,
              input.current.x,
              input.initial.y,
              input.current.y
      Severity: Major
      Found in src/gestures/Pan.js and 4 other locations - About 45 mins to fix
      src/gestures/Pan.js on lines 110..115
      src/gestures/Pan.js on lines 136..141
      src/gestures/Pan.js on lines 142..147
      src/gestures/Pan.js on lines 148..153

      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 50.

      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 5 locations. Consider refactoring.
      Open

            const currentDirection = util.getAngle(
              progress.lastEmitted.x,
              progress.lastEmitted.y,
              input.current.x,
              input.current.y
      Severity: Major
      Found in src/gestures/Pan.js and 4 other locations - About 45 mins to fix
      src/gestures/Pan.js on lines 110..115
      src/gestures/Pan.js on lines 130..135
      src/gestures/Pan.js on lines 136..141
      src/gestures/Pan.js on lines 142..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 50.

      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 4 locations. Consider refactoring.
      Open

          if (options && options.onStart && typeof options.onStart === 'function') {
            this.onStart = options.onStart
          }
      Severity: Major
      Found in src/gestures/Pan.js and 3 other locations - About 40 mins to fix
      src/gestures/Distance.js on lines 45..47
      src/gestures/Pan.js on lines 62..64
      src/gestures/Swipe.js on lines 94..96

      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 4 locations. Consider refactoring.
      Open

          if (options && options.onMove && typeof options.onMove === 'function') {
            this.onMove = options.onMove
          }
      Severity: Major
      Found in src/gestures/Pan.js and 3 other locations - About 40 mins to fix
      src/gestures/Distance.js on lines 45..47
      src/gestures/Pan.js on lines 56..58
      src/gestures/Swipe.js on lines 94..96

      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 5 locations. Consider refactoring.
      Open

          if (options && options.onEnd && typeof options.onEnd === 'function') {
            this.onEnd = options.onEnd
          }
      Severity: Major
      Found in src/gestures/Pan.js and 4 other locations - About 35 mins to fix
      src/gestures/Distance.js on lines 51..53
      src/gestures/Rotate.js on lines 38..40
      src/gestures/Swipe.js on lines 100..102
      src/gestures/Tap.js on lines 81..83

      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 46.

      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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