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Avoid too many return statements within this function.
Open

        return result
Severity: Major
Found in src/notevil/index.js - About 30 mins to fix

    Avoid too many return statements within this function.
    Open

              return finalValue(blockContext[node.name])
    Severity: Major
    Found in src/notevil/index.js - About 30 mins to fix

      Avoid too many return statements within this function.
      Open

              return val ? walk(node.consequent) : walk(node.alternate)
      Severity: Major
      Found in src/notevil/index.js - About 30 mins to fix

        Avoid too many return statements within this function.
        Open

                return target.apply(object, args)
        Severity: Major
        Found in src/notevil/index.js - About 30 mins to fix

          Avoid too many return statements within this function.
          Open

              return true
          Severity: Major
          Found in src/notevil/index.js - About 30 mins to fix

            Avoid too many return statements within this function.
            Open

                      return undefined
            Severity: Major
            Found in src/notevil/index.js - About 30 mins to fix

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

                          if (character_1.Character.isIdentifierStart(this.source.charCodeAt(this.index))) {
                this.throwUnexpectedToken();
            }
              Severity: Minor
              Found in dist/csp.tmpl.js and 1 other location - About 30 mins to fix
              dist/csp.tmpl.js on lines 4339..4341

              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

              Similar blocks of code found in 5 locations. Consider refactoring.
              Open

                  var DebuggerStatement = (function () {
        function DebuggerStatement() {
            this.type = syntax_1.Syntax.DebuggerStatement;
        }
        return DebuggerStatement;
              Severity: Major
              Found in dist/csp.tmpl.js and 4 other locations - About 30 mins to fix
              dist/csp.tmpl.js on lines 5017..5022
              dist/csp.tmpl.js on lines 5313..5318
              dist/csp.tmpl.js on lines 5365..5370
              dist/csp.tmpl.js on lines 6302..6307

              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

              Similar blocks of code found in 5 locations. Consider refactoring.
              Open

                  var JSXEmptyExpression = (function () {
        function JSXEmptyExpression() {
            this.type = jsx_syntax_1.JSXSyntax.JSXEmptyExpression;
        }
        return JSXEmptyExpression;
              Severity: Major
              Found in dist/csp.tmpl.js and 4 other locations - About 30 mins to fix
              dist/csp.tmpl.js on lines 4992..4997
              dist/csp.tmpl.js on lines 5017..5022
              dist/csp.tmpl.js on lines 5313..5318
              dist/csp.tmpl.js on lines 5365..5370

              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

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

                          if (character_1.Character.isIdentifierStart(this.source.charCodeAt(this.index))) {
                this.throwUnexpectedToken();
            }
              Severity: Minor
              Found in dist/csp.tmpl.js and 1 other location - About 30 mins to fix
              dist/csp.tmpl.js on lines 4189..4191

              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

              Similar blocks of code found in 5 locations. Consider refactoring.
              Open

                  var Super = (function () {
        function Super() {
            this.type = syntax_1.Syntax.Super;
        }
        return Super;
              Severity: Major
              Found in dist/csp.tmpl.js and 4 other locations - About 30 mins to fix
              dist/csp.tmpl.js on lines 4992..4997
              dist/csp.tmpl.js on lines 5017..5022
              dist/csp.tmpl.js on lines 5365..5370
              dist/csp.tmpl.js on lines 6302..6307

              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

              Similar blocks of code found in 5 locations. Consider refactoring.
              Open

                  var EmptyStatement = (function () {
        function EmptyStatement() {
            this.type = syntax_1.Syntax.EmptyStatement;
        }
        return EmptyStatement;
              Severity: Major
              Found in dist/csp.tmpl.js and 4 other locations - About 30 mins to fix
              dist/csp.tmpl.js on lines 4992..4997
              dist/csp.tmpl.js on lines 5313..5318
              dist/csp.tmpl.js on lines 5365..5370
              dist/csp.tmpl.js on lines 6302..6307

              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

              Similar blocks of code found in 5 locations. Consider refactoring.
              Open

                  var ThisExpression = (function () {
        function ThisExpression() {
            this.type = syntax_1.Syntax.ThisExpression;
        }
        return ThisExpression;
              Severity: Major
              Found in dist/csp.tmpl.js and 4 other locations - About 30 mins to fix
              dist/csp.tmpl.js on lines 4992..4997
              dist/csp.tmpl.js on lines 5017..5022
              dist/csp.tmpl.js on lines 5313..5318
              dist/csp.tmpl.js on lines 6302..6307

              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

              Function getPrototypeOf has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.
              Open

              Primitives.prototype.getPrototypeOf = function (value) {
  if (value == null) { // handle null and undefined
    return value
  }
              Severity: Minor
              Found in src/notevil/lib/primitives.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

              Parsing error: The keyword 'export' is reserved
              Open

              export
              Severity: Minor
              Found in src/tmpl.js by eslint

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

              Parsing error: The keyword 'import' is reserved
              Open

              import safeEval from '../src/notevil' //eslint-disable-line no-unused-vars
              Severity: Minor
              Found in src/index.js by eslint

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

              Parsing error: The keyword 'export' is reserved
              Open

              export
              Severity: Minor
              Found in src/brackets.js by eslint

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

              Parsing error: The keyword 'import' is reserved
              Open

              import nodeResolve from 'rollup-plugin-node-resolve'
              Severity: Minor
              Found in rollup.config.js by eslint

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

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