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Regily/secure-postmate

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src/postmate.js

Summary

Maintainability
C
1 day
Test Coverage

File postmate.js has 298 lines of code (exceeds 250 allowed). Consider refactoring.
Open

require('json.date-extensions');

/**
 * The type of messages our frames our sending
 * @type {String}
Severity: Minor
Found in src/postmate.js - About 3 hrs to fix

    Function sendHandshake has 42 lines of code (exceeds 25 allowed). Consider refactoring.
    Open

      sendHandshake(url) {
    const childOrigin = resolveOrigin(url);
    const messageType = this.messageType;
    let attempt = 0;
    let responseInterval;
    Severity: Minor
    Found in src/postmate.js - About 1 hr to fix

      Function constructor has 28 lines of code (exceeds 25 allowed). Consider refactoring.
      Open

        constructor(info) {
    this.model = info.model;
    this.parent = info.parent;
    this.parentOrigin = info.parentOrigin;
    this.child = info.child;
      Severity: Minor
      Found in src/postmate.js - About 1 hr to fix

        Function constructor has a Cognitive Complexity of 7 (exceeds 5 allowed). Consider refactoring.
        Open

          constructor(info) {
    this.parent = info.parent;
    this.frame = info.frame;
    this.child = info.child;
    this.childOrigin = info.childOrigin;
        Severity: Minor
        Found in src/postmate.js - About 35 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

        Avoid too many return statements within this function.
        Open

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

          Avoid too many return statements within this function.
          Open

            }[message.data.postmate]) return false;
          Severity: Major
          Found in src/postmate.js - About 30 mins to fix

            Avoid too many return statements within this function.
            Open

              if (typeof message.data.postmate === 'object') return true;
            Severity: Major
            Found in src/postmate.js - About 30 mins to fix

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

              function sanitize(message, allowedOrigin, messageType) {
  if (message.origin !== allowedOrigin) return false;
  if (typeof message.data !== 'object') return false;
  if (!('postmate' in message.data)) return false;
  if (message.data.type !== messageType) return false;
              Severity: Minor
              Found in src/postmate.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

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

              function resolveOrigin(url) {
  const a = document.createElement('a');

  a.href = url;
              Severity: Minor
              Found in src/postmate.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

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

                handleHandshakeData(data) {
    // Extend model with the one provided by the parent
    const defaults = data.model;

    if (defaults) {
              Severity: Minor
              Found in src/postmate.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

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