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app/javascript/flavours/glitch/features/emoji/emoji.js

Summary

Maintainability
F
6 days
Test Coverage

Function emojifyTextNode has a Cognitive Complexity of 43 (exceeds 5 allowed). Consider refactoring.
Open

const emojifyTextNode = (node, customEmojis) => {
  const VS15 = 0xFE0E;
  const VS16 = 0xFE0F;

  let str = node.textContent;
Severity: Minor
Found in app/javascript/flavours/glitch/features/emoji/emoji.js - About 6 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 emojifyTextNode has 63 lines of code (exceeds 25 allowed). Consider refactoring.
Open

const emojifyTextNode = (node, customEmojis) => {
  const VS15 = 0xFE0E;
  const VS16 = 0xFE0F;

  let str = node.textContent;
Severity: Major
Found in app/javascript/flavours/glitch/features/emoji/emoji.js - About 2 hrs to fix

    Consider simplifying this complex logical expression.
    Open

        if (customEmojis === null) {
      while (i < str.length && (useSystemEmojiFont || !(unicode_emoji = trie.search(str.slice(i))))) {
        i += str.codePointAt(i) < 65536 ? 1 : 2;
      }
    } else {
    Severity: Major
    Found in app/javascript/flavours/glitch/features/emoji/emoji.js - About 40 mins to fix

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

      const emojifyNode = (node, customEmojis) => {
  for (const child of node.childNodes) {
    switch(child.nodeType) {
    case Node.TEXT_NODE:
      emojifyTextNode(child, customEmojis);
      Severity: Minor
      Found in app/javascript/flavours/glitch/features/emoji/emoji.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

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

          if (str[i] === ':') { // Potentially the start of a custom emoji :shortcode:
      rend = str.indexOf(':', i + 1) + 1;

      // no matching ending ':', skip
      if (!rend) {
      Severity: Major
      Found in app/javascript/flavours/glitch/features/emoji/emoji.js and 1 other location - About 2 days to fix
      app/javascript/mastodon/features/emoji/emoji.js on lines 54..101

      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 454.

      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

      export const buildCustomEmojis = (customEmojis) => {
  const emojis = [];

  customEmojis.forEach(emoji => {
    const shortcode = emoji.get('shortcode');
      Severity: Major
      Found in app/javascript/flavours/glitch/features/emoji/emoji.js and 1 other location - About 6 hrs to fix
      app/javascript/mastodon/features/emoji/emoji.js on lines 142..164

      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 174.

      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 emojifyNode = (node, customEmojis) => {
  for (const child of node.childNodes) {
    switch(child.nodeType) {
    case Node.TEXT_NODE:
      emojifyTextNode(child, customEmojis);
      Severity: Major
      Found in app/javascript/flavours/glitch/features/emoji/emoji.js and 1 other location - About 2 hrs to fix
      app/javascript/mastodon/features/emoji/emoji.js on lines 114..126

      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 91.

      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 emojify = (str, customEmojis = {}) => {
  const wrapper = document.createElement('div');
  wrapper.innerHTML = str;

  if (!Object.keys(customEmojis).length)
      Severity: Major
      Found in app/javascript/flavours/glitch/features/emoji/emoji.js and 1 other location - About 2 hrs to fix
      app/javascript/mastodon/features/emoji/emoji.js on lines 128..138

      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 85.

      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

      export const categoriesFromEmojis = customEmojis => customEmojis.reduce((set, emoji) => set.add(emoji.get('category') ? `custom-${emoji.get('category')}` : 'custom'), new Set(['custom']));
      Severity: Major
      Found in app/javascript/flavours/glitch/features/emoji/emoji.js and 1 other location - About 1 hr to fix
      app/javascript/mastodon/features/emoji/emoji.js on lines 166..166

      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 73.

      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

      const emojiFilename = (filename) => {
  const borderedEmoji = (document.body && document.body.classList.contains('skin-mastodon-light')) ? lightEmoji : darkEmoji;
  return borderedEmoji.includes(filename) ? (filename + '_border') : filename;
};
      Severity: Major
      Found in app/javascript/flavours/glitch/features/emoji/emoji.js and 1 other location - About 1 hr to fix
      app/javascript/mastodon/features/emoji/emoji.js on lines 20..23

      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 71.

      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 darkEmoji = emojiFilenames(['🎱', '🐜', 'âšĢ', '🖤', 'âŦ›', 'â—ŧī¸', '◾', 'â—ŧī¸', '✒ī¸', 'â–Ēī¸', 'đŸ’Ŗ', 'đŸŽŗ', '📷', '📸', 'â™Ŗī¸', 'đŸ•ļī¸', '✴ī¸', '🔌', '💂‍♀ī¸', 'đŸ“Ŋī¸', 'đŸŗ', 'đŸĻ', '💂', 'đŸ”Ē', 'đŸ•ŗī¸', '🕹ī¸', '🕋', '🖊ī¸', '🖋ī¸', '💂‍♂ī¸', '🎤', '🎓', 'đŸŽĨ', 'đŸŽŧ', '♠ī¸', '🎩', 'đŸĻƒ', 'đŸ“ŧ', '📹', '🎮', '🐃', '🏴', '🐞', 'đŸ•ē', '📱', '📲', '🚲', 'đŸĒŽ', 'đŸĻ‍âŦ›']);
      Severity: Major
      Found in app/javascript/flavours/glitch/features/emoji/emoji.js and 1 other location - About 1 hr to fix
      app/javascript/mastodon/features/emoji/emoji.js on lines 17..17

      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 63.

      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 lightEmoji = emojiFilenames(['đŸ‘Ŋ', '⚾', '🐔', '☁ī¸', '💨', '🕊ī¸', '👀', 'đŸĨ', 'đŸ‘ģ', '🐐', '❕', '❔', '⛸ī¸', '🌩ī¸', '🔊', '🔇', '📃', '🌧ī¸', '🐏', '🍚', '🍙', '🐓', '🐑', '💀', '☠ī¸', '🌨ī¸', '🔉', '🔈', 'đŸ’Ŧ', '💭', '🏐', 'đŸŗī¸', 'âšĒ', 'âŦœ', 'â—Ŋ', 'â—ģī¸', 'â–Ģī¸', 'đŸĒŊ', 'đŸĒŋ']);
      Severity: Minor
      Found in app/javascript/flavours/glitch/features/emoji/emoji.js and 1 other location - About 50 mins to fix
      app/javascript/mastodon/features/emoji/emoji.js on lines 18..18

      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 51.

      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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