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packages/babel-generator/src/generators/statements.js

Summary

Maintainability
D
1 day
Test Coverage

Function VariableDeclaration has a Cognitive Complexity of 14 (exceeds 5 allowed). Consider refactoring.
Open

export function VariableDeclaration(node: Object, parent: Object) {
  if (node.declare) {
    // TS
    this.word("declare");
    this.space();
Severity: Minor
Found in packages/babel-generator/src/generators/statements.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

Function VariableDeclaration has 26 lines of code (exceeds 25 allowed). Consider refactoring.
Open

export function VariableDeclaration(node: Object, parent: Object) {
  if (node.declare) {
    // TS
    this.word("declare");
    this.space();
Severity: Minor
Found in packages/babel-generator/src/generators/statements.js - About 1 hr to fix

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

    export function IfStatement(node: Object) {
  this.word("if");
  this.space();
  this.token("(");
  this.print(node.test, node);
    Severity: Minor
    Found in packages/babel-generator/src/generators/statements.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

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

    export function WithStatement(node: Object) {
  this.word("with");
  this.space();
  this.token("(");
  this.print(node.object, node);
    Severity: Major
    Found in packages/babel-generator/src/generators/statements.js and 1 other location - About 2 hrs to fix
    packages/babel-generator/src/generators/statements.js on lines 75..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 88.

    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

    export function WhileStatement(node: Object) {
  this.word("while");
  this.space();
  this.token("(");
  this.print(node.test, node);
    Severity: Major
    Found in packages/babel-generator/src/generators/statements.js and 1 other location - About 2 hrs to fix
    packages/babel-generator/src/generators/statements.js on lines 3..10

    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 88.

    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

    function constDeclarationIndent() {
  // "const " indentation.
  this.token(",");
  this.newline();
  if (this.endsWith("\n")) for (let i = 0; i < 6; i++) this.space(true);
    Severity: Major
    Found in packages/babel-generator/src/generators/statements.js and 1 other location - About 1 hr to fix
    packages/babel-generator/src/generators/statements.js on lines 224..229

    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

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

    function variableDeclarationIndent() {
  // "let " or "var " indentation.
  this.token(",");
  this.newline();
  if (this.endsWith("\n")) for (let i = 0; i < 4; i++) this.space(true);
    Severity: Major
    Found in packages/babel-generator/src/generators/statements.js and 1 other location - About 1 hr to fix
    packages/babel-generator/src/generators/statements.js on lines 231..236

    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

    Similar blocks of code found in 11 locations. Consider refactoring.
    Open

      if (node.finalizer) {
    this.space();
    this.word("finally");
    this.space();
    this.print(node.finalizer, node);
    Severity: Major
    Found in packages/babel-generator/src/generators/statements.js and 10 other locations - About 1 hr to fix
    packages/babel-generator/src/generators/classes.js on lines 41..46
    packages/babel-generator/src/generators/classes.js on lines 94..99
    packages/babel-generator/src/generators/classes.js on lines 110..115
    packages/babel-generator/src/generators/flow.js on lines 237..242
    packages/babel-generator/src/generators/flow.js on lines 445..450
    packages/babel-generator/src/generators/flow.js on lines 465..470
    packages/babel-generator/src/generators/modules.js on lines 129..134
    packages/babel-generator/src/generators/statements.js on lines 295..300
    packages/babel-generator/src/generators/typescript.js on lines 19..24
    packages/babel-generator/src/generators/typescript.js on lines 26..31

    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 58.

    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 11 locations. Consider refactoring.
    Open

      if (node.init) {
    this.space();
    this.token("=");
    this.space();
    this.print(node.init, node);
    Severity: Major
    Found in packages/babel-generator/src/generators/statements.js and 10 other locations - About 1 hr to fix
    packages/babel-generator/src/generators/classes.js on lines 41..46
    packages/babel-generator/src/generators/classes.js on lines 94..99
    packages/babel-generator/src/generators/classes.js on lines 110..115
    packages/babel-generator/src/generators/flow.js on lines 237..242
    packages/babel-generator/src/generators/flow.js on lines 445..450
    packages/babel-generator/src/generators/flow.js on lines 465..470
    packages/babel-generator/src/generators/modules.js on lines 129..134
    packages/babel-generator/src/generators/statements.js on lines 163..168
    packages/babel-generator/src/generators/typescript.js on lines 19..24
    packages/babel-generator/src/generators/typescript.js on lines 26..31

    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 58.

    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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