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etnbrd/flx-compiler

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lib/analyzer/context.js

Summary

Maintainability
F
4 days
Test Coverage

Function isFunction has a Cognitive Complexity of 46 (exceeds 5 allowed). Consider refactoring.
Open

Context.prototype.isFunction = function(id) {

  // TODO this function is a mess : refactor.

  if (id.context) {
Severity: Minor
Found in lib/analyzer/context.js - About 7 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 Context has a Cognitive Complexity of 45 (exceeds 5 allowed). Consider refactoring.
Open

function Context (ast, filename, dirname, root) {
  // + The filename
  this.name = filename;
  this.dirname = dirname;
  this.root = root;
Severity: Minor
Found in lib/analyzer/context.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 Context has 126 lines of code (exceeds 25 allowed). Consider refactoring.
Open

function Context (ast, filename, dirname, root) {
  // + The filename
  this.name = filename;
  this.dirname = dirname;
  this.root = root;
Severity: Major
Found in lib/analyzer/context.js - About 5 hrs to fix

    Function isFunction has 70 lines of code (exceeds 25 allowed). Consider refactoring.
    Open

    Context.prototype.isFunction = function(id) {

  // TODO this function is a mess : refactor.

  if (id.context) {
    Severity: Major
    Found in lib/analyzer/context.js - About 2 hrs to fix

      File context.js has 279 lines of code (exceeds 250 allowed). Consider refactoring.
      Open

      // # Fluxion mapper

// The compiler start by parsing the source to generate an Intermediate Representation (IR).
// It uses the [esprima parser](http://esprima.org/), which generates an Abstract Syntax Tree (AST) according to the [SpiderMonkey Parser API](https://developer.mozilla.org/en-US/docs/Mozilla/Projects/SpiderMonkey/Parser_API).
      Severity: Minor
      Found in lib/analyzer/context.js - About 2 hrs to fix

        Avoid deeply nested control flow statements.
        Open

                    if (ids[0] === property.key.name) {
              if(ids.length === 1)
                return true;
              // else
                // checkProp(ids.slice(1), property)
        Severity: Major
        Found in lib/analyzer/context.js - About 45 mins to fix

          Avoid too many return statements within this function.
          Open

            return false;
          Severity: Major
          Found in lib/analyzer/context.js - About 30 mins to fix

            Avoid too many return statements within this function.
            Open

                    return whatIsIt(n.object) + '.' + whatIsIt(n.property);
            Severity: Major
            Found in lib/analyzer/context.js - About 30 mins to fix

              Avoid too many return statements within this function.
              Open

                    return returnValueOf(n);
              Severity: Major
              Found in lib/analyzer/context.js - About 30 mins to fix

                Avoid too many return statements within this function.
                Open

                  return false;
                Severity: Major
                Found in lib/analyzer/context.js - About 30 mins to fix

                  Avoid too many return statements within this function.
                  Open

                            return this.isFunction(val);
                  Severity: Major
                  Found in lib/analyzer/context.js - About 30 mins to fix

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

                    Context.prototype.leaveScope = function(n) {
  n.scopes.forEach(function(scope) {
    scope = this._scopeStack.pop();
    this.currentScope = this._scopeStack[this._scopeStack.length - 1];
    log.leave('Leave scope ' + h.getScopeName(scope));
                    Severity: Major
                    Found in lib/analyzer/context.js and 1 other location - About 4 hrs to fix
                    lib/mapper/context.js on lines 79..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 122.

                    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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