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prebid/Prebid.js

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gulpfile.js

Summary

Maintainability
D
1 day
Test Coverage

File gulpfile.js has 414 lines of code (exceeds 250 allowed). Consider refactoring.
Open

/* eslint-disable no-console */
'use strict';

var _ = require('lodash');
var argv = require('yargs').argv;
Severity: Minor
Found in gulpfile.js - About 5 hrs to fix

    Function wrapWithHeaderAndFooter has 35 lines of code (exceeds 25 allowed). Consider refactoring.
    Open

    function wrapWithHeaderAndFooter(dev, modules) {
  // NOTE: gulp-header, gulp-footer & gulp-wrap do not play nice with source maps.
  // gulp-concat does; for that reason we are prepending and appending the source stream with "fake" header & footer files.
  function memoryVinyl(name, contents) {
    return new Vinyl({
    Severity: Minor
    Found in gulpfile.js - About 1 hr to fix

      Function bundle has 34 lines of code (exceeds 25 allowed). Consider refactoring.
      Open

      function bundle(dev, moduleArr) {
  var modules = moduleArr || helpers.getArgModules();
  var allModules = helpers.getModuleNames(modules);
  const sm = dev || argv.sourceMaps;
      Severity: Minor
      Found in gulpfile.js - About 1 hr to fix

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

        function bundle(dev, moduleArr) {
  var modules = moduleArr || helpers.getArgModules();
  var allModules = helpers.getModuleNames(modules);
  const sm = dev || argv.sourceMaps;
        Severity: Minor
        Found in gulpfile.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

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

          return gulp.src([].concat(moduleSources, analyticsSources, 'src/prebid.js'))
    .pipe(helpers.nameModules(externalModules))
    .pipe(webpackStream(cloned, webpack))
    .pipe(gulp.dest('build/dev'))
        Severity: Major
        Found in gulpfile.js and 1 other location - About 1 hr to fix
        gulpfile.js on lines 169..172

        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 65.

        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

            return gulp.src([].concat(moduleSources, analyticsSources, 'src/prebid.js'))
      .pipe(helpers.nameModules(externalModules))
      .pipe(webpackStream(cloned, webpack))
      .pipe(gulp.dest('build/dist'));
        Severity: Major
        Found in gulpfile.js and 1 other location - About 1 hr to fix
        gulpfile.js on lines 150..153

        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 65.

        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

          cloned.module.rules
    .flatMap((rule) => rule.use)
    .filter((use) => use.loader === 'babel-loader')
    .forEach((use) => use.options = Object.assign({}, use.options, babelConfig));
        Severity: Minor
        Found in gulpfile.js and 1 other location - About 45 mins to fix
        karma.conf.maker.js on lines 20..25

        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 50.

        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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