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lib/init/init-writer.js

Summary

Maintainability
D
2 days
Test Coverage

Function exports has 112 lines of code (exceeds 25 allowed). Consider refactoring.
Open

module.exports = function (req, res, job, next) {
  job.logger?.verbose('Initializing EC writer');

  var acceptEncoding = req.header('response-encoding');
  var zip;
Severity: Major
Found in lib/init/init-writer.js - About 4 hrs to fix

    Function exports has a Cognitive Complexity of 24 (exceeds 5 allowed). Consider refactoring.
    Open

    module.exports = function (req, res, job, next) {
  job.logger?.verbose('Initializing EC writer');

  var acceptEncoding = req.header('response-encoding');
  var zip;
    Severity: Minor
    Found in lib/init/init-writer.js - About 3 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 getWriterOutputStream has 30 lines of code (exceeds 25 allowed). Consider refactoring.
    Open

      function getWriterOutputStream(resType, ext) {
    var stream;

    if (zipExt) { ext += zipExt; }
    Severity: Minor
    Found in lib/init/init-writer.js - About 1 hr to fix

      Avoid too many return statements within this function.
      Open

          return next(null);
      Severity: Major
      Found in lib/init/init-writer.js - About 30 mins to fix

        Avoid too many return statements within this function.
        Open

            return next(null);
        Severity: Major
        Found in lib/init/init-writer.js - About 30 mins to fix

          Avoid too many return statements within this function.
          Open

              return next(job.error(4006, 406));
          Severity: Major
          Found in lib/init/init-writer.js - About 30 mins to fix

            Similar blocks of code found in 3 locations. Consider refactoring.
            Open

              case 'application/jsonstream':
    job.logger?.info('JSONStream requested for response (one line of JSON per line)');
    job.headers['Content-Type'] = 'application/json';
    job.writer = getWriter(getWriterOutputStream('application/json', 'json'), 'jsonstream');
            Severity: Major
            Found in lib/init/init-writer.js and 2 other locations - About 1 hr to fix
            lib/init/init-writer.js on lines 132..138
            lib/init/init-writer.js on lines 146..152

            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 69.

            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 3 locations. Consider refactoring.
            Open

              case 'application/json':
    job.logger?.info('JSON requested for response');
    job.headers['Content-Type'] = 'application/json';
    job.writer = getWriter(getWriterOutputStream('application/json', 'json'), 'json');
            Severity: Major
            Found in lib/init/init-writer.js and 2 other locations - About 1 hr to fix
            lib/init/init-writer.js on lines 132..138
            lib/init/init-writer.js on lines 153..159

            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 69.

            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 3 locations. Consider refactoring.
            Open

              case 'text/csv':
    job.logger?.info('CSV requested for response');
    job.headers['Content-Type'] = 'text/csv';
    job.writer = getWriter(getWriterOutputStream('text/csv', 'csv'), 'csv');
            Severity: Major
            Found in lib/init/init-writer.js and 2 other locations - About 1 hr to fix
            lib/init/init-writer.js on lines 146..152
            lib/init/init-writer.js on lines 153..159

            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 69.

            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 (encodings.indexOf('gzip') >= 0) {
      job.logger?.info('Gzip requested');
      job.headers['Content-Encoding'] = 'gzip';
      zip    = 'gzip';
      zipExt = '.gz';
            Severity: Minor
            Found in lib/init/init-writer.js and 1 other location - About 40 mins to fix
            lib/init/init-writer.js on lines 45..54

            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 48.

            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

                } else if (encodings.indexOf('deflate') >= 0) {
      job.logger?.info('Deflate requested');
      job.headers['Content-Encoding'] = 'deflate';
      zip    = 'deflate';
      zipExt = '.zz';
            Severity: Minor
            Found in lib/init/init-writer.js and 1 other location - About 40 mins to fix
            lib/init/init-writer.js on lines 39..54

            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 48.

            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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