sergeysova/es2-result-option

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index.js

Summary

Maintainability
D
2 days
Test Coverage

File index.js has 392 lines of code (exceeds 250 allowed). Consider refactoring.
Open

/* eslint-disable id-match, no-use-before-define */
const FL = require('fantasy-land')
const show = require('sanctuary-show')


Severity: Minor
Found in index.js - About 5 hrs to fix

    prototype has 25 functions (exceeds 20 allowed). Consider refactoring.
    Open

    Err.prototype = {
    
      map(/* okƒ */) {
        return this
      },
    Severity: Minor
    Found in index.js - About 2 hrs to fix

      prototype has 25 functions (exceeds 20 allowed). Consider refactoring.
      Open

      Ok.prototype = {
      
        map(okƒ) {
          return Ok.of(okƒ(this[ø]))
        },
      Severity: Minor
      Found in index.js - About 2 hrs to fix

        `` has 24 functions (exceeds 20 allowed). Consider refactoring.
        Open

        Object.assign(None.prototype, {
        
          map(/* ƒ */) {
            return None.of()
          },
        Severity: Minor
        Found in index.js - About 2 hrs to fix

          `` has 24 functions (exceeds 20 allowed). Consider refactoring.
          Open

          Object.assign(Some.prototype, {
            map(ƒ) {
              return Some.of(ƒ(this[ø]))
            },
          
          
          Severity: Minor
          Found in index.js - About 2 hrs to fix

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

            function result$encase(ƒ) {
              return function encased(...args) {
                try {
                  return Ok.of(ƒ.apply(this, args))
                }
            Severity: Major
            Found in index.js and 1 other location - About 1 hr to fix
            fantasy/index.js on lines 453..462

            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 67.

            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

            function option$encase(ƒ) {
              return function encased(...args) {
                try {
                  return Some.of(ƒ.apply(this, args))
                }
            Severity: Major
            Found in index.js and 1 other location - About 1 hr to fix
            fantasy/index.js on lines 208..217

            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 66.

            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

            function Err(value) {
              if (!(this instanceof Err)) {
                return new Err(value)
              }
              this[ø] = value
            Severity: Major
            Found in index.js and 2 other locations - About 50 mins to fix
            index.js on lines 13..19
            index.js on lines 295..301

            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 3 locations. Consider refactoring.
            Open

            function Ok(value) {
              if (!(this instanceof Ok)) {
                return new Ok(value)
              }
              this[ø] = value
            Severity: Major
            Found in index.js and 2 other locations - About 50 mins to fix
            index.js on lines 13..19
            index.js on lines 408..414

            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 3 locations. Consider refactoring.
            Open

            function Some(value) {
              if (!(this instanceof Some)) {
                return new Some(value)
              }
              this[ø] = value
            Severity: Major
            Found in index.js and 2 other locations - About 50 mins to fix
            index.js on lines 295..301
            index.js on lines 408..414

            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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