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Function analyze has a Cognitive Complexity of 33 (exceeds 5 allowed). Consider refactoring.
Open

  analyze() {
    // Get analytics
    const ruleAnalysis = this.analyzeRules();
    const selectorAnalysis = this.analyzeSelectors();
    const declarationAnalysis = this.analyzeDeclarations();
Severity: Minor
Found in lib/analyzer.js - 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 parse has 104 lines of code (exceeds 25 allowed). Consider refactoring.
Open

  parse() {
    // Object to return
    const parsedData = {
      cssString: '',
      cssSize: 0,
Severity: Major
Found in lib/parser.js - About 4 hrs to fix

    Function analyze has 98 lines of code (exceeds 25 allowed). Consider refactoring.
    Open

      analyze() {
    // Get analytics
    const ruleAnalysis = this.analyzeRules();
    const selectorAnalysis = this.analyzeSelectors();
    const declarationAnalysis = this.analyzeDeclarations();
    Severity: Major
    Found in lib/analyzer.js - About 3 hrs to fix

      Function analyzeDeclarations has 95 lines of code (exceeds 25 allowed). Consider refactoring.
      Open

        analyzeDeclarations() {
    // Object to return
    const result = {
      dataUriSize: '',
      importantKeywords: 0,
      Severity: Major
      Found in lib/analyzer.js - About 3 hrs to fix

        File analyzer.js has 280 lines of code (exceeds 250 allowed). Consider refactoring.
        Open

        const gzipSize = require('gzip-size');

class Analyzer {
  /**
   * @param {Array} rules
        Severity: Minor
        Found in lib/analyzer.js - About 2 hrs to fix

          Function analyzeSelectors has 48 lines of code (exceeds 25 allowed). Consider refactoring.
          Open

            analyzeSelectors() {
    // Object to return
    const result = {
      idSelectors: 0,
      universalSelectors: 0,
          Severity: Minor
          Found in lib/analyzer.js - About 1 hr to fix

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

                  if (selector.indexOf('*') > -1) {
        const universal = selector.replace(/\[.+]/g, '');
        if (universal.indexOf('*') > -1) {
          result.universalSelectors += 1;
        }
            Severity: Major
            Found in lib/analyzer.js and 1 other location - About 1 hr to fix
            lib/analyzer.js on lines 101..106

            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

                  if (selector.indexOf('#') > -1) {
        const id = selector.replace(/\[.+]/g, '');
        if (id.indexOf('#') > -1) {
          result.idSelectors += 1;
        }
            Severity: Major
            Found in lib/analyzer.js and 1 other location - About 1 hr to fix
            lib/analyzer.js on lines 109..114

            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

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

              constructor(args, config) {
    args = Array.isArray(args) ? args : [args];
    this.urls = [];
    this.files = [];
    this.styles = [];
            Severity: Minor
            Found in lib/stylestats.js - About 1 hr to fix

              Function prettify has 38 lines of code (exceeds 25 allowed). Consider refactoring.
              Open

              function prettify(result) {
  const collection = {};

  Object.keys(result).forEach(key => {
    const readableKey = aliases[key];
              Severity: Minor
              Found in lib/prettify.js - About 1 hr to fix

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

                      if (declaration.property.indexOf('font-size') > -1) {
        result.uniqueFontSizes.push(declaration.value.replace(/!important/, '').trim());
      }
                Severity: Major
                Found in lib/analyzer.js and 1 other location - About 1 hr to fix
                lib/analyzer.js on lines 195..197

                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 64.

                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

                      if (declaration.property.indexOf('font-family') > -1) {
        result.uniqueFontFamilies.push(declaration.value.replace(/(!important)/g, '').trim());
      }
                Severity: Major
                Found in lib/analyzer.js and 1 other location - About 1 hr to fix
                lib/analyzer.js on lines 200..202

                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 64.

                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

                  isDirectory: dir => {
    try {
      return fs.existsSync(dir) && fs.statSync(dir).isDirectory();
    } catch (err) {
      return false;
                Severity: Major
                Found in lib/util.js and 1 other location - About 1 hr to fix
                lib/util.js on lines 10..16

                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 60.

                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

                  isFile: file => {
    try {
      return fs.existsSync(file) && fs.statSync(file).isFile();
    } catch (err) {
      return false;
                Severity: Major
                Found in lib/util.js and 1 other location - About 1 hr to fix
                lib/util.js on lines 22..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 60.

                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

                    result.uniqueBackgroundImages = result.uniqueBackgroundImages.filter((backgroundImage, index, array) => {
      return array.indexOf(backgroundImage) === index;
    }).sort();
                Severity: Major
                Found in lib/analyzer.js and 1 other location - About 1 hr to fix
                lib/analyzer.js on lines 233..235

                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 57.

                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

                    result.uniqueFontFamilies = result.uniqueFontFamilies.filter((fontFamily, index, array) => {
      return array.indexOf(fontFamily) === index;
    }).sort();
                Severity: Major
                Found in lib/analyzer.js and 1 other location - About 1 hr to fix
                lib/analyzer.js on lines 276..278

                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 57.

                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

                            rule.rules.forEach(rule => {
              if (rule.type === 'rule') {
                parsedData.rules.push(rule);
              }
            });
                Severity: Minor
                Found in lib/parser.js and 1 other location - About 50 mins to fix
                lib/parser.js on lines 187..191

                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

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

                          rule.declarations.forEach(declaration => {
            if (declaration.type === 'declaration') {
              parsedData.declarations.push(declaration);
            }
          });
                Severity: Minor
                Found in lib/parser.js and 1 other location - About 50 mins to fix
                lib/parser.js on lines 174..178

                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

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

                    if (KEY_BYTE.indexOf(key) !== -1) {
      value = numeral(value).format('0.0b').replace(/^0\.0B$/, '0');
    }
                Severity: Minor
                Found in lib/prettify.js and 1 other location - About 40 mins to fix
                lib/prettify.js on lines 46..48

                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 49.

                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

                    if (KEY_PERCENT.indexOf(key) !== -1) {
      value = numeral(value).format('0.0%').replace(/^0\.0%$/, '0');
    }
                Severity: Minor
                Found in lib/prettify.js and 1 other location - About 40 mins to fix
                lib/prettify.js on lines 43..45

                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 49.

                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

                Severity
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                Status
                Source
                Language