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lts/lib/internal/modules/esm/translators.js

Summary

Maintainability
F
1 wk
Test Coverage

Function jsonStrategy has 49 lines of code (exceeds 25 allowed). Consider refactoring.
Open

translators.set('json', async function jsonStrategy(url) {
  emitExperimentalWarning('Importing JSON modules');
  debug(`Translating JSONModule ${url}`);
  debug(`Loading JSONModule ${url}`);
  const pathname = url.startsWith('file:') ? fileURLToPath(url) : null;
Severity: Minor
Found in lts/lib/internal/modules/esm/translators.js - About 1 hr to fix

    Function jsonStrategy has a Cognitive Complexity of 12 (exceeds 5 allowed). Consider refactoring.
    Open

    translators.set('json', async function jsonStrategy(url) {
  emitExperimentalWarning('Importing JSON modules');
  debug(`Translating JSONModule ${url}`);
  debug(`Loading JSONModule ${url}`);
  const pathname = url.startsWith('file:') ? fileURLToPath(url) : null;
    Severity: Minor
    Found in lts/lib/internal/modules/esm/translators.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

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

    translators.set('json', async function jsonStrategy(url) {
  emitExperimentalWarning('Importing JSON modules');
  debug(`Translating JSONModule ${url}`);
  debug(`Loading JSONModule ${url}`);
  const pathname = url.startsWith('file:') ? fileURLToPath(url) : null;
    Severity: Major
    Found in lts/lib/internal/modules/esm/translators.js and 1 other location - About 3 days to fix
    current/lib/internal/modules/esm/translators.js on lines 174..231

    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 515.

    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

    translators.set('wasm', async function(url) {
  emitExperimentalWarning('Importing Web Assembly modules');
  let { source } = await this._getSource(
    url, { format: 'wasm' }, defaultGetSource);
  assertBufferSource(source, false, 'getSource');
    Severity: Major
    Found in lts/lib/internal/modules/esm/translators.js and 1 other location - About 1 day to fix
    current/lib/internal/modules/esm/translators.js on lines 234..260

    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 351.

    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

    translators.set('commonjs', function commonjsStrategy(url, isMain) {
  debug(`Translating CJSModule ${url}`);
  const pathname = internalURLModule.fileURLToPath(new URL(url));
  const cached = this.cjsCache.get(url);
  if (cached) {
    Severity: Major
    Found in lts/lib/internal/modules/esm/translators.js and 1 other location - About 1 day to fix
    current/lib/internal/modules/esm/translators.js on lines 133..157

    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 239.

    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

    translators.set('module', async function moduleStrategy(url) {
  let { source } = await this._getSource(
    url, { format: 'module' }, defaultGetSource);
  assertBufferSource(source, true, 'getSource');
  ({ source } = await this._transformSource(
    Severity: Major
    Found in lts/lib/internal/modules/esm/translators.js and 1 other location - About 7 hrs to fix
    current/lib/internal/modules/esm/translators.js on lines 113..128

    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 180.

    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

    translators.set('builtin', async function builtinStrategy(url) {
  debug(`Translating BuiltinModule ${url}`);
  // Slice 'nodejs:' scheme
  const id = url.slice(7);
  const module = loadNativeModule(id, url, true);
    Severity: Major
    Found in lts/lib/internal/modules/esm/translators.js and 1 other location - About 4 hrs to fix
    current/lib/internal/modules/esm/translators.js on lines 161..171

    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 129.

    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 assertBufferSource(body, allowString, hookName) {
  if (allowString && typeof body === 'string') {
    return;
  }
  const { isArrayBufferView, isAnyArrayBuffer } = lazyTypes();
    Severity: Major
    Found in lts/lib/internal/modules/esm/translators.js and 1 other location - About 3 hrs to fix
    current/lib/internal/modules/esm/translators.js on lines 52..66

    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 95.

    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

    function createImportMetaResolve(defaultParentUrl) {
  return async function resolve(specifier, parentUrl = defaultParentUrl) {
    if (!esmLoader) {
      esmLoader = require('internal/process/esm_loader').ESMLoader;
    }
    Severity: Major
    Found in lts/lib/internal/modules/esm/translators.js and 1 other location - About 2 hrs to fix
    current/lib/internal/modules/esm/translators.js on lines 91..103

    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 92.

    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 stringify(body) {
  if (typeof body === 'string') return body;
  assertBufferSource(body, false, 'transformSource');
  DECODER = DECODER === null ? new TextDecoder() : DECODER;
  return DECODER.decode(body);
    Severity: Major
    Found in lts/lib/internal/modules/esm/translators.js and 1 other location - About 1 hr to fix
    current/lib/internal/modules/esm/translators.js on lines 68..73

    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 62.

    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

    async function importModuleDynamically(specifier, { url }) {
  if (!esmLoader) {
    esmLoader = require('internal/process/esm_loader').ESMLoader;
  }
  return esmLoader.import(specifier, url);
    Severity: Minor
    Found in lts/lib/internal/modules/esm/translators.js and 1 other location - About 50 mins to fix
    current/lib/internal/modules/esm/translators.js on lines 84..89

    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 52.

    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 initializeImportMeta(meta, { url }) {
  // Alphabetical
  if (experimentalImportMetaResolve)
    meta.resolve = createImportMetaResolve(url);
  meta.url = url;
    Severity: Minor
    Found in lts/lib/internal/modules/esm/translators.js and 1 other location - About 45 mins to fix
    current/lib/internal/modules/esm/translators.js on lines 105..110

    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

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

    function errPath(url) {
  const parsed = new URL(url);
  if (parsed.protocol === 'file:') {
    return fileURLToPath(parsed);
  }
    Severity: Minor
    Found in lts/lib/internal/modules/esm/translators.js and 1 other location - About 30 mins to fix
    current/lib/internal/modules/esm/translators.js on lines 75..81

    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 45.

    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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