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Function str has a Cognitive Complexity of 35 (exceeds 5 allowed). Consider refactoring.
Open

  function str(key, holder, depthDecr, arrayMaxLength) {
      var i,          // The loop counter.
          k,          // The member key.
          v,          // The member value.
          length,
Severity: Minor
Found in packages/lib/src/components/DevTool/Console/tools.js - About 5 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

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

const theme = {
  scheme: 'bright',
  author: 'chris kempson (http://chriskempson.com)',
  base00: '#000000',
  base01: '#303030',
Severity: Major
Found in packages/lib/src/components/DevTool/Requests/Details.js and 1 other location - About 3 hrs to fix
packages/lib/src/components/DevTool/Console/Output.js on lines 13..32

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 98.

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

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

const theme = {
  scheme: 'bright',
  author: 'chris kempson (http://chriskempson.com)',
  base00: '#000000',
  base01: '#303030',
Severity: Major
Found in packages/lib/src/components/DevTool/Console/Output.js and 1 other location - About 3 hrs to fix
packages/lib/src/components/DevTool/Requests/Details.js on lines 17..36

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 98.

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

Function render has 78 lines of code (exceeds 25 allowed). Consider refactoring.
Open

  render() {
    return (
      <SafeAreaView style={styles.container}>
        <KeyboardAvoidingView style={styles.wrapper} behavior="padding">
          <View>
Severity: Major
Found in packages/demo/App.js - About 3 hrs to fix

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

            onPress={() => {
          let currentOffset = typeof historyOffset === 'undefined' ? -1 : historyOffset;
          currentOffset += 1;
          const index = history.length - 1 - currentOffset;
          if (history[index]) {
    Severity: Major
    Found in packages/lib/src/components/DevTool/Console/Input.js and 1 other location - About 2 hrs to fix
    packages/lib/src/components/DevTool/Console/Input.js on lines 77..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 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

            onPress={() => {
          let currentOffset = typeof historyOffset === 'undefined' ? -1 : historyOffset;
          currentOffset -= 1;
          const index = history.length - 1 - currentOffset;
          if (history[index]) {
    Severity: Major
    Found in packages/lib/src/components/DevTool/Console/Input.js and 1 other location - About 2 hrs to fix
    packages/lib/src/components/DevTool/Console/Input.js on lines 63..71

    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

    Function attach has 53 lines of code (exceeds 25 allowed). Consider refactoring.
    Open

      attach() {
    const me = this;
    const headers = {};
    global.XMLHttpRequest.prototype.open = function proxyOpen (...args) {
      let sendArgs;
    Severity: Major
    Found in packages/lib/src/network.js - About 2 hrs to fix

      Function str has 50 lines of code (exceeds 25 allowed). Consider refactoring.
      Open

        function str(key, holder, depthDecr, arrayMaxLength) {
      var i,          // The loop counter.
          k,          // The member key.
          v,          // The member value.
          length,
      Severity: Minor
      Found in packages/lib/src/components/DevTool/Console/tools.js - About 2 hrs to fix

        Function proxyOpen has 49 lines of code (exceeds 25 allowed). Consider refactoring.
        Open

            global.XMLHttpRequest.prototype.open = function proxyOpen (...args) {
      let sendArgs;
      const [
        method,
        url,
        Severity: Minor
        Found in packages/lib/src/network.js - About 1 hr to fix

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

                      <Button
              title="GET XHR (json)"
              style={styles.button}
              onPress={() => {
                const xhr = new XMLHttpRequest();
          Severity: Major
          Found in packages/demo/App.js and 1 other location - About 1 hr to fix
          packages/demo/App.js on lines 63..71

          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 67.

          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

                      <Button
              title="GET XHR (html)"
              style={styles.button}
              onPress={() => {
                const xhr = new XMLHttpRequest();
          Severity: Major
          Found in packages/demo/App.js and 1 other location - About 1 hr to fix
          packages/demo/App.js on lines 74..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 67.

          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

          Function render has 30 lines of code (exceeds 25 allowed). Consider refactoring.
          Open

            render() {
    const {
      ...others
    } = this.props;
          Severity: Minor
          Found in packages/lib/src/components/DevTool/Modal.js - About 1 hr to fix

            Function useStorage has 29 lines of code (exceeds 25 allowed). Consider refactoring.
            Open

            const useStorage = (provider) => {
  const [data, setData] = useState({});

  const update = async () => {
    const keys = await provider.getAllKeys();
            Severity: Minor
            Found in packages/lib/src/components/data/storage.js - About 1 hr to fix

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

              const formatData = (data, options) => {
  const {
    includeStackTrace,
  } = options;
  if (typeof data === 'undefined') {
              Severity: Minor
              Found in packages/lib/src/components/DevTool/Console/Output.js - 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 DevTool has a Cognitive Complexity of 9 (exceeds 5 allowed). Consider refactoring.
              Open

              const DevTool = ({
  style,
  includeStackTrace,
  onClose,
  logProvider = log,
              Severity: Minor
              Found in packages/lib/src/components/DevTool/index.js - 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

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

                clear() {
    this.requests = [];
    this.listeners.forEach(l => l(this.requests));
  }
              Severity: Minor
              Found in packages/lib/src/network.js and 1 other location - About 35 mins to fix
              packages/lib/src/log.js on lines 21..24

              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 47.

              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

                clear() {
    this.logs = [];
    this.listeners.forEach(l => l(this.logs));
  }
              Severity: Minor
              Found in packages/lib/src/log.js and 1 other location - About 35 mins to fix
              packages/lib/src/network.js on lines 25..28

              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 47.

              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

              Avoid too many return statements within this function.
              Open

                return '#2ecc71';
              Severity: Major
              Found in packages/lib/src/components/base/Status.js - About 30 mins to fix

                Avoid too many return statements within this function.
                Open

                  return <Fixed selectable={true}>{data.toString()}</Fixed>;
                Severity: Major
                Found in packages/lib/src/components/DevTool/Console/Output.js - About 30 mins to fix
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