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rjrodger/use-plugin

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use.js

Summary

Maintainability
F
3 days
Test Coverage

File use.js has 393 lines of code (exceeds 250 allowed). Consider refactoring.
Invalid

/* Copyright © 2014-2024 Richard Rodger and other contributors, MIT License. */
'use strict'

const Path = require('path')
const Module = require('module')
Severity: Minor
Found in use.js - About 5 hrs to fix

    Function build_plugin_desc has a Cognitive Complexity of 28 (exceeds 5 allowed). Consider refactoring.
    Open

    function build_plugin_desc(spec, useopts, eraro) {
  const plugin = spec.plugin

  // Don't do much with plugin options, just ensure they are an object.
  let options =
    Severity: Minor
    Found in use.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 perform_require has a Cognitive Complexity of 20 (exceeds 5 allowed). Consider refactoring.
    Open

    function perform_require(reqfunc, plugin_desc, builtin, level) {
  const search_list = plugin_desc.search
  let initfunc
  let search
  let found
    Severity: Minor
    Found in use.js - About 2 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 build_plugin_desc has 65 lines of code (exceeds 25 allowed). Consider refactoring.
    Open

    function build_plugin_desc(spec, useopts, eraro) {
  const plugin = spec.plugin

  // Don't do much with plugin options, just ensure they are an object.
  let options =
    Severity: Major
    Found in use.js - About 2 hrs to fix

      Function use_plugin_desc has a Cognitive Complexity of 19 (exceeds 5 allowed). Consider refactoring.
      Open

      function use_plugin_desc(plugin_desc, useopts, eraro) {
  plugin_desc.search = build_plugin_names(
    plugin_desc.name,
    useopts.builtin,
    useopts.prefix,
      Severity: Minor
      Found in use.js - About 2 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 use_plugin_desc has 59 lines of code (exceeds 25 allowed). Consider refactoring.
      Open

      function use_plugin_desc(plugin_desc, useopts, eraro) {
  plugin_desc.search = build_plugin_names(
    plugin_desc.name,
    useopts.builtin,
    useopts.prefix,
      Severity: Major
      Found in use.js - About 2 hrs to fix

        Function build_plugin_names has 58 lines of code (exceeds 25 allowed). Consider refactoring.
        Open

        function build_plugin_names() {
  const args = BuildNameArgu(arguments)

  const name = args.name
  const isRelative = name.match(/^[./]/)
        Severity: Major
        Found in use.js - About 2 hrs to fix

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

          function make(useopts) {
  // Default options, overidden by caller supplied options.
  useopts = Object.assign(
    {
      prefix: 'plugin-',
          Severity: Minor
          Found in use.js - About 1 hr to fix

            Function load_plugin has 43 lines of code (exceeds 25 allowed). Consider refactoring.
            Open

            function load_plugin(plugin_desc, start_module, eraro) {
  let current_module = start_module
  let builtin = true
  let level = 0
  let funcdesc = {}
            Severity: Minor
            Found in use.js - About 1 hr to fix

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

              function perform_require(reqfunc, plugin_desc, builtin, level) {
  const search_list = plugin_desc.search
  let initfunc
  let search
  let found
              Severity: Minor
              Found in use.js - About 1 hr to fix

                Function make has a Cognitive Complexity of 10 (exceeds 5 allowed). Consider refactoring.
                Open

                function make(useopts) {
  // Default options, overidden by caller supplied options.
  useopts = Object.assign(
    {
      prefix: 'plugin-',
                Severity: Minor
                Found in use.js - About 1 hr 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 build_plugin_names has a Cognitive Complexity of 9 (exceeds 5 allowed). Consider refactoring.
                Open

                function build_plugin_names() {
  const args = BuildNameArgu(arguments)

  const name = args.name
  const isRelative = name.match(/^[./]/)
                Severity: Minor
                Found in use.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 load_plugin has a Cognitive Complexity of 7 (exceeds 5 allowed). Consider refactoring.
                Open

                function load_plugin(plugin_desc, start_module, eraro) {
  let current_module = start_module
  let builtin = true
  let level = 0
  let funcdesc = {}
                Severity: Minor
                Found in use.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

                  const prefix_list = args.prefix
    ? Array.isArray(args.prefix)
      ? args.prefix
      : [args.prefix]
    : []
                Severity: Minor
                Found in use.js and 1 other location - About 35 mins to fix
                use.js on lines 513..517

                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 46.

                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 builtin_list = args.builtin
    ? Array.isArray(args.builtin)
      ? args.builtin
      : [args.builtin]
    : []
                Severity: Minor
                Found in use.js and 1 other location - About 35 mins to fix
                use.js on lines 519..523

                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 46.

                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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