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current/deps/v8/tools/turbolizer/src/code-view.ts

Summary

Maintainability
F
2 wks
Test Coverage

Function initializeCode has a Cognitive Complexity of 32 (exceeds 5 allowed). Consider refactoring.
Open

  initializeCode() {
    const view = this;
    const source = this.source;
    const sourceText = source.sourceText;
    if (!sourceText) return;
Severity: Minor
Found in current/deps/v8/tools/turbolizer/src/code-view.ts - About 4 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 initializeCode has 82 lines of code (exceeds 25 allowed). Consider refactoring.
Open

  initializeCode() {
    const view = this;
    const source = this.source;
    const sourceText = source.sourceText;
    if (!sourceText) return;
Severity: Major
Found in current/deps/v8/tools/turbolizer/src/code-view.ts - About 3 hrs to fix

    File code-view.ts has 251 lines of code (exceeds 250 allowed). Consider refactoring.
    Open

    // Copyright 2015 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

interface PR {
    Severity: Minor
    Found in current/deps/v8/tools/turbolizer/src/code-view.ts - About 2 hrs to fix

      Function constructor has 43 lines of code (exceeds 25 allowed). Consider refactoring.
      Open

        constructor(parent: HTMLElement, broker: SelectionBroker, sourceResolver: SourceResolver, sourceFunction: Source, codeMode: CodeMode) {
    super(parent);
    const view = this;
    view.broker = broker;
    view.sourceResolver = sourceResolver;
      Severity: Minor
      Found in current/deps/v8/tools/turbolizer/src/code-view.ts - About 1 hr to fix

        Function insertSourcePositions has 31 lines of code (exceeds 25 allowed). Consider refactoring.
        Open

          insertSourcePositions(currentSpan, lineNumber, pos, end, adjust) {
    const view = this;
    const sps = this.sourceResolver.sourcePositionsInRange(this.source.sourceId, pos - adjust, end);
    let offset = 0;
    for (const sourcePosition of sps) {
        Severity: Minor
        Found in current/deps/v8/tools/turbolizer/src/code-view.ts - About 1 hr to fix

          Function constructor has a Cognitive Complexity of 9 (exceeds 5 allowed). Consider refactoring.
          Open

            constructor(parent: HTMLElement, broker: SelectionBroker, sourceResolver: SourceResolver, sourceFunction: Source, codeMode: CodeMode) {
    super(parent);
    const view = this;
    view.broker = broker;
    view.sourceResolver = sourceResolver;
          Severity: Minor
          Found in current/deps/v8/tools/turbolizer/src/code-view.ts - About 55 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

          Function insertSourcePositions has a Cognitive Complexity of 8 (exceeds 5 allowed). Consider refactoring.
          Open

            insertSourcePositions(currentSpan, lineNumber, pos, end, adjust) {
    const view = this;
    const sps = this.sourceResolver.sourcePositionsInRange(this.source.sourceId, pos - adjust, end);
    let offset = 0;
    for (const sourcePosition of sps) {
          Severity: Minor
          Found in current/deps/v8/tools/turbolizer/src/code-view.ts - About 45 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 class CodeView extends View {
  broker: SelectionBroker;
  source: Source;
  sourceResolver: SourceResolver;
  codeMode: CodeMode;
          Severity: Major
          Found in current/deps/v8/tools/turbolizer/src/code-view.ts and 1 other location - About 2 wks to fix
          lts/deps/v8/tools/turbolizer/src/code-view.ts on lines 17..274

          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 2741.

          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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