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Function forEach has a Cognitive Complexity of 60 (exceeds 20 allowed). Consider refactoring.
Open

    forEach(options) {
        if ( options.value !== undefined ) {
            for ( let i in this ) {
                switch ( options.action ) {
                    case 'attr':    this[i].setAttribute(options.name, options.value);  break;
Severity: Minor
Found in src/EventeSelector.js - About 6 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 eval has a Cognitive Complexity of 58 (exceeds 20 allowed). Consider refactoring.
Open

    eval(model, item, property) {
        if ( item === undefined )
            item = this.tree;
        let value, tmp, number, type = typeof item;
        switch ( type ) {
Severity: Minor
Found in src/EventeExpression.js - About 6 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 parse_tree has a Cognitive Complexity of 57 (exceeds 20 allowed). Consider refactoring.
Open

    parse_tree(tokens, item) {
        if ( item === undefined )
            item = {};
        if ( item.params === undefined )
            item.params = [];
Severity: Minor
Found in src/EventeExpression.js - About 6 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

File EventeExpression.js has 320 lines of code (exceeds 250 allowed). Consider refactoring.
Open

const EventeModel = require('./EventeModel');
const EventePipes = require('./EventePipes');
const EventeStrings = require('./EventeStrings');

/**
Severity: Minor
Found in src/EventeExpression.js - About 3 hrs to fix

    Function parse_tree has 88 lines of code (exceeds 50 allowed). Consider refactoring.
    Open

        parse_tree(tokens, item) {
        if ( item === undefined )
            item = {};
        if ( item.params === undefined )
            item.params = [];
    Severity: Major
    Found in src/EventeExpression.js - About 2 hrs to fix

      Function dealias has a Cognitive Complexity of 32 (exceeds 20 allowed). Consider refactoring.
      Open

          dealias(node, alias, base) {
        let value,
            regexp = new RegExp('(^|[^a-z])' + alias.replace(/\./g, '\\.') + '([^a-z]|$)', 'gim'),
            test = new RegExp('{{');
        if ( node instanceof Text ) {
      Severity: Minor
      Found in src/EventeAttributeBase.js - About 2 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 forEach has 78 lines of code (exceeds 50 allowed). Consider refactoring.
      Open

          forEach(options) {
        if ( options.value !== undefined ) {
            for ( let i in this ) {
                switch ( options.action ) {
                    case 'attr':    this[i].setAttribute(options.name, options.value);  break;
      Severity: Major
      Found in src/EventeSelector.js - About 2 hrs to fix

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

                for ( i = 0; i < items.length; i++ ) {
            item = items[i];
            if (
                item instanceof Comment ||
                item instanceof HTMLBRElement ||
        Severity: Major
        Found in src/EventeAttributeFor.js and 1 other location - About 1 hr to fix
        src/EventeAttributeBase.js on lines 90..99

        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 74.

        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

                for ( i = 0; i < items.length; i++ ) {
            item = items[i];
            if (
                item instanceof Comment ||
                item instanceof HTMLBRElement ||
        Severity: Major
        Found in src/EventeAttributeBase.js and 1 other location - About 1 hr to fix
        src/EventeAttributeFor.js on lines 93..102

        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 74.

        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 eval has 67 lines of code (exceeds 50 allowed). Consider refactoring.
        Open

            eval(model, item, property) {
        if ( item === undefined )
            item = this.tree;
        let value, tmp, number, type = typeof item;
        switch ( type ) {
        Severity: Major
        Found in src/EventeExpression.js - About 1 hr to fix

          Function dealias has 56 lines of code (exceeds 50 allowed). Consider refactoring.
          Open

              dealias(node, alias, base) {
        let value,
            regexp = new RegExp('(^|[^a-z])' + alias.replace(/\./g, '\\.') + '([^a-z]|$)', 'gim'),
            test = new RegExp('{{');
        if ( node instanceof Text ) {
          Severity: Major
          Found in src/EventeAttributeBase.js - About 1 hr to fix

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

                        value = EventeAttribute.attributes[attr.name] ? EventeAttribute.attributes[attr.name].check(node, attr.name) : attr.value;
            Severity: Minor
            Found in src/EventeAttributeFor.js and 1 other location - About 55 mins to fix
            src/EventeAttributeBase.js on lines 74..74

            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 54.

            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

                            value = EventeAttribute.attributes[item.name] ? EventeAttribute.attributes[item.name].check(node, item.name) : item.value;
            Severity: Minor
            Found in src/EventeAttributeBase.js and 1 other location - About 55 mins to fix
            src/EventeAttributeFor.js on lines 85..85

            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 54.

            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

            Avoid deeply nested control flow statements.
            Open

                                        if ( EventeExpression.operations[item.type].priority >= EventeExpression.operations['.'].priority )
                                item = {type: '.', params: [item, token]};
                            else
                                item.params.push({type: '.', params: [item.params.pop(), token]});
            Severity: Major
            Found in src/EventeExpression.js - About 45 mins to fix

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

                      let property = ( target.$ ? target.$ + '.' : '' ) + prop,
            node, nodes = this.data.getNodes(property);
              Severity: Minor
              Found in src/EventeModelProxyHandler.js and 1 other location - About 40 mins to fix
              src/EventeModelProxyHandler.js on lines 95..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 49.

              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

                          let property = ( target.$ ? target.$ + '.' : '' ) + prop,
                node, nodes = this.data.getNodes(property);
              Severity: Minor
              Found in src/EventeModelProxyHandler.js and 1 other location - About 40 mins to fix
              src/EventeModelProxyHandler.js on lines 24..25

              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 49.

              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

                  ownKeys(target) {
        let data = this.data.shadow.getField(target.$);
        return Object.keys(data);
    }
              Severity: Minor
              Found in src/EventeModelProxyHandler.js and 1 other location - About 35 mins to fix
              src/EventeModelProxyHandler.js on lines 74..77

              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

                  isExtensible(target) {
        let data = this.data.shadow.getField(target.$);
        return Reflect.isExtensible(data);
    }
              Severity: Minor
              Found in src/EventeModelProxyHandler.js and 1 other location - About 35 mins to fix
              src/EventeModelProxyHandler.js on lines 79..82

              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

              Avoid too many return statements within this function.
              Open

                                      if ( !tmp ) return false;
              Severity: Major
              Found in src/EventeSelector.js - About 30 mins to fix

                Avoid too many return statements within this function.
                Open

                        return item;
                Severity: Major
                Found in src/EventeExpression.js - About 30 mins to fix
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