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Ikagaka/ghost-kernel.js

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lib/components/Visibility.ts

Summary

Maintainability
A
25 mins
Test Coverage

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

  watchVisibility() {
    if (!this.document) return;
    // hidden プロパティおよび可視性の変更イベントの名前を設定
    // tslint:disable-next-line strict-type-predicates
    if (typeof this.document.hidden !== "undefined") { // Opera 12.10 や Firefox 18 以降でサポート
Severity: Minor
Found in lib/components/Visibility.ts - 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

File name must be camelCase
Open

import { EventEmitter } from "events";
Severity: Minor
Found in lib/components/Visibility.ts by tslint

Rule: file-name-casing

Enforces a consistent file naming convention

Rationale

Helps maintain a consistent style across a file hierarchy

Config

One of the following arguments must be provided:

  • camel-case: File names must be camel-cased: fileName.ts.
  • pascal-case: File names must be Pascal-cased: FileName.ts.
  • kebab-case: File names must be kebab-cased: file-name.ts.
  • snake-case: File names must be snake-cased: file_name.ts.
  • ignore: File names are ignored (useful for the object configuration).

Or an object, where the key represents a regular expression that matches the file name, and the value is the file name rule from the previous list.

  • { ".tsx": "pascal-case", ".ts": "camel-case" }
Examples
"file-name-casing": true,camel-case
"file-name-casing": true,pascal-case
"file-name-casing": true,kebab-case
"file-name-casing": true,snake-case
"file-name-casing": true,[object Object]
"file-name-casing": true,[object Object]
"file-name-casing": true,[object Object]
Schema
{
  "type": "array",
  "items": {
    "anyOf": [
      {
        "type": "array",
        "items": [
          {
            "type": "string",
            "enum": [
              "camel-case",
              "ignore",
              "pascal-case",
              "kebab-case",
              "snake-case"
            ]
          }
        ]
      },
      {
        "type": "object",
        "additionalProperties": {
          "type": "string",
          "enum": [
            "camel-case",
            "ignore",
            "pascal-case",
            "kebab-case",
            "snake-case"
          ]
        },
        "minProperties": 1
      }
    ]
  }
}

For more information see this page.

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