cBioPortal/clinical-timeline

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js/plugins/trimTimeline.js

Summary

Maintainability
C
1 day
Test Coverage

Function run has 171 lines of code (exceeds 25 allowed). Consider refactoring.
Open

trimClinicalTimeline.prototype.run = function (timeline, spec) {
  // skip when zoomed in, because trimming behaves oddly in those cases
  if (timeline.zoomFactor() !== 1) {
      return;
  }
Severity: Major
Found in js/plugins/trimTimeline.js - About 6 hrs to fix

    Function has too many statements (34). Maximum allowed is 30.
    Open

    trimClinicalTimeline.prototype.run = function (timeline, spec) {
    Severity: Minor
    Found in js/plugins/trimTimeline.js by eslint

    enforce a maximum number of statements allowed in function blocks (max-statements)

    The max-statements rule allows you to specify the maximum number of statements allowed in a function.

    function foo() {
      var bar = 1; // one statement
      var baz = 2; // two statements
      var qux = 3; // three statements
    }

    Rule Details

    This rule enforces a maximum number of statements allowed in function blocks.

    Options

    This rule has a number or object option:

    • "max" (default 10) enforces a maximum number of statements allows in function blocks

    Deprecated: The object property maximum is deprecated; please use the object property max instead.

    This rule has an object option:

    • "ignoreTopLevelFunctions": true ignores top-level functions

    max

    Examples of incorrect code for this rule with the default { "max": 10 } option:

    /*eslint max-statements: ["error", 10]*/
    /*eslint-env es6*/
    
    function foo() {
      var foo1 = 1;
      var foo2 = 2;
      var foo3 = 3;
      var foo4 = 4;
      var foo5 = 5;
      var foo6 = 6;
      var foo7 = 7;
      var foo8 = 8;
      var foo9 = 9;
      var foo10 = 10;
    
      var foo11 = 11; // Too many.
    }
    
    let foo = () => {
      var foo1 = 1;
      var foo2 = 2;
      var foo3 = 3;
      var foo4 = 4;
      var foo5 = 5;
      var foo6 = 6;
      var foo7 = 7;
      var foo8 = 8;
      var foo9 = 9;
      var foo10 = 10;
    
      var foo11 = 11; // Too many.
    };

    Examples of correct code for this rule with the default { "max": 10 } option:

    /*eslint max-statements: ["error", 10]*/
    /*eslint-env es6*/
    
    function foo() {
      var foo1 = 1;
      var foo2 = 2;
      var foo3 = 3;
      var foo4 = 4;
      var foo5 = 5;
      var foo6 = 6;
      var foo7 = 7;
      var foo8 = 8;
      var foo9 = 9;
      var foo10 = 10;
      return function () {
    
        // The number of statements in the inner function does not count toward the
        // statement maximum.
    
        return 42;
      };
    }
    
    let foo = () => {
      var foo1 = 1;
      var foo2 = 2;
      var foo3 = 3;
      var foo4 = 4;
      var foo5 = 5;
      var foo6 = 6;
      var foo7 = 7;
      var foo8 = 8;
      var foo9 = 9;
      var foo10 = 10;
      return function () {
    
        // The number of statements in the inner function does not count toward the
        // statement maximum.
    
        return 42;
      };
    }

    ignoreTopLevelFunctions

    Examples of additional correct code for this rule with the { "max": 10 }, { "ignoreTopLevelFunctions": true } options:

    /*eslint max-statements: ["error", 10, { "ignoreTopLevelFunctions": true }]*/
    
    function foo() {
      var foo1 = 1;
      var foo2 = 2;
      var foo3 = 3;
      var foo4 = 4;
      var foo5 = 5;
      var foo6 = 6;
      var foo7 = 7;
      var foo8 = 8;
      var foo9 = 9;
      var foo10 = 10;
      var foo11 = 11;
    }

    Related Rules

    • [complexity](complexity.md)
    • [max-depth](max-depth.md)
    • [max-len](max-len.md)
    • [max-nested-callbacks](max-nested-callbacks.md)
    • [max-params](max-params.md) Source: http://eslint.org/docs/rules/

    Function has a complexity of 8.
    Open

      ticksToShow.forEach(function(item, index) {
    Severity: Minor
    Found in js/plugins/trimTimeline.js by eslint

    Limit Cyclomatic Complexity (complexity)

    Cyclomatic complexity measures the number of linearly independent paths through a program's source code. This rule allows setting a cyclomatic complexity threshold.

    function a(x) {
        if (true) {
            return x; // 1st path
        } else if (false) {
            return x+1; // 2nd path
        } else {
            return 4; // 3rd path
        }
    }

    Rule Details

    This rule is aimed at reducing code complexity by capping the amount of cyclomatic complexity allowed in a program. As such, it will warn when the cyclomatic complexity crosses the configured threshold (default is 20).

    Examples of incorrect code for a maximum of 2:

    /*eslint complexity: ["error", 2]*/
    
    function a(x) {
        if (true) {
            return x;
        } else if (false) {
            return x+1;
        } else {
            return 4; // 3rd path
        }
    }

    Examples of correct code for a maximum of 2:

    /*eslint complexity: ["error", 2]*/
    
    function a(x) {
        if (true) {
            return x;
        } else {
            return 4;
        }
    }

    Options

    Optionally, you may specify a max object property:

    "complexity": ["error", 2]

    is equivalent to

    "complexity": ["error", { "max": 2 }]

    Deprecated: the object property maximum is deprecated. Please use the property max instead.

    When Not To Use It

    If you can't determine an appropriate complexity limit for your code, then it's best to disable this rule.

    Further Reading

    Related Rules

    • [max-depth](max-depth.md)
    • [max-len](max-len.md)
    • [max-nested-callbacks](max-nested-callbacks.md)
    • [max-params](max-params.md)
    • [max-statements](max-statements.md) Source: http://eslint.org/docs/rules/

    Function has a complexity of 7.
    Open

    trimClinicalTimeline.prototype.run = function (timeline, spec) {
    Severity: Minor
    Found in js/plugins/trimTimeline.js by eslint

    Limit Cyclomatic Complexity (complexity)

    Cyclomatic complexity measures the number of linearly independent paths through a program's source code. This rule allows setting a cyclomatic complexity threshold.

    function a(x) {
        if (true) {
            return x; // 1st path
        } else if (false) {
            return x+1; // 2nd path
        } else {
            return 4; // 3rd path
        }
    }

    Rule Details

    This rule is aimed at reducing code complexity by capping the amount of cyclomatic complexity allowed in a program. As such, it will warn when the cyclomatic complexity crosses the configured threshold (default is 20).

    Examples of incorrect code for a maximum of 2:

    /*eslint complexity: ["error", 2]*/
    
    function a(x) {
        if (true) {
            return x;
        } else if (false) {
            return x+1;
        } else {
            return 4; // 3rd path
        }
    }

    Examples of correct code for a maximum of 2:

    /*eslint complexity: ["error", 2]*/
    
    function a(x) {
        if (true) {
            return x;
        } else {
            return 4;
        }
    }

    Options

    Optionally, you may specify a max object property:

    "complexity": ["error", 2]

    is equivalent to

    "complexity": ["error", { "max": 2 }]

    Deprecated: the object property maximum is deprecated. Please use the property max instead.

    When Not To Use It

    If you can't determine an appropriate complexity limit for your code, then it's best to disable this rule.

    Further Reading

    Related Rules

    • [max-depth](max-depth.md)
    • [max-len](max-len.md)
    • [max-nested-callbacks](max-nested-callbacks.md)
    • [max-params](max-params.md)
    • [max-statements](max-statements.md) Source: http://eslint.org/docs/rules/

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

    trimClinicalTimeline.prototype.run = function (timeline, spec) {
      // skip when zoomed in, because trimming behaves oddly in those cases
      if (timeline.zoomFactor() !== 1) {
          return;
      }
    Severity: Minor
    Found in js/plugins/trimTimeline.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

        diffTicksSVGPreTrim = d3.transform(d3.select($(divId+" .axis .tick")[1]).attr("transform")).translate[0] - d3.transform(d3.select($(divId+" .axis .tick")[0]).attr("transform")).translate[0],
    Severity: Minor
    Found in js/plugins/trimTimeline.js and 1 other location - About 45 mins to fix
    js/plugins/trimTimeline.js on lines 188..188

    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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