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i18next/i18next

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src/Translator.js

Summary

Maintainability
F
1 wk
Test Coverage

Function translate has a Cognitive Complexity of 140 (exceeds 5 allowed). Consider refactoring.
Open

  translate(keys, o, lastKey) {
    let opt = typeof o === 'object' ? { ...o } : o;
    if (typeof opt !== 'object' && this.options.overloadTranslationOptionHandler) {
      /* eslint prefer-rest-params: 0 */
      opt = this.options.overloadTranslationOptionHandler(arguments);
Severity: Minor
Found in src/Translator.js - About 2 days 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

File Translator.js has 519 lines of code (exceeds 300 allowed). Consider refactoring.
Open

import baseLogger from './logger.js';
import EventEmitter from './EventEmitter.js';
import postProcessor from './postProcessor.js';
import { copy as utilsCopy, looksLikeObjectPath, isString } from './utils.js';
Severity: Major
Found in src/Translator.js - About 7 hrs to fix

    Function translate has 220 lines of code (exceeds 70 allowed). Consider refactoring.
    Open

      translate(keys, o, lastKey) {
    let opt = typeof o === 'object' ? { ...o } : o;
    if (typeof opt !== 'object' && this.options.overloadTranslationOptionHandler) {
      /* eslint prefer-rest-params: 0 */
      opt = this.options.overloadTranslationOptionHandler(arguments);
    Severity: Major
    Found in src/Translator.js - About 7 hrs to fix

      Function extendTranslation has a Cognitive Complexity of 31 (exceeds 5 allowed). Consider refactoring.
      Open

        extendTranslation(res, key, opt, resolved, lastKey) {
    if (this.i18nFormat?.parse) {
      res = this.i18nFormat.parse(
        res,
        { ...this.options.interpolation.defaultVariables, ...opt },
      Severity: Minor
      Found in src/Translator.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 extractFromKey has a Cognitive Complexity of 16 (exceeds 5 allowed). Consider refactoring.
      Open

        extractFromKey(key, opt) {
    let nsSeparator = opt.nsSeparator !== undefined ? opt.nsSeparator : this.options.nsSeparator;
    if (nsSeparator === undefined) nsSeparator = ':';

    const keySeparator =
      Severity: Minor
      Found in src/Translator.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 resolve has 88 lines of code (exceeds 70 allowed). Consider refactoring.
      Open

        resolve(keys, opt = {}) {
    let found;
    let usedKey; // plain key
    let exactUsedKey; // key with context / plural
    let usedLng;
      Severity: Major
      Found in src/Translator.js - About 1 hr to fix

        Function extendTranslation has 73 lines of code (exceeds 70 allowed). Consider refactoring.
        Open

          extendTranslation(res, key, opt, resolved, lastKey) {
    if (this.i18nFormat?.parse) {
      res = this.i18nFormat.parse(
        res,
        { ...this.options.interpolation.defaultVariables, ...opt },
        Severity: Major
        Found in src/Translator.js - About 1 hr to fix

          Avoid deeply nested control flow statements.
          Open

                        if (
                needsZeroSuffixLookup &&
                opt[`defaultValue${this.options.pluralSeparator}zero`] &&
                suffixes.indexOf(`${this.options.pluralSeparator}zero`) < 0
              ) {
          Severity: Major
          Found in src/Translator.js - About 45 mins to fix

            Consider simplifying this complex logical expression.
            Open

                } else if (handleAsObjectInI18nFormat && isString(joinArrays) && Array.isArray(res)) {
      // array special treatment
      res = res.join(joinArrays);
      if (res) res = this.extendTranslation(res, keys, opt, lastKey);
    } else {
            Severity: Major
            Found in src/Translator.js - About 40 mins to fix

              Avoid too many return statements within this function.
              Open

                    return resolved;
              Severity: Major
              Found in src/Translator.js - About 30 mins to fix

                Avoid too many return statements within this function.
                Open

                        return r;
                Severity: Major
                Found in src/Translator.js - About 30 mins to fix

                  Avoid too many return statements within this function.
                  Open

                        return key;
                  Severity: Major
                  Found in src/Translator.js - About 30 mins to fix

                    Avoid too many return statements within this function.
                    Open

                        return res;
                    Severity: Major
                    Found in src/Translator.js - About 30 mins to fix

                      Avoid too many return statements within this function.
                      Open

                                return resolved;
                      Severity: Major
                      Found in src/Translator.js - About 30 mins to fix

                        Function getUsedParamsDetails has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.
                        Open

                          getUsedParamsDetails(options = {}) {
    // we need to remember to extend this array whenever new option properties are added
    const optionsKeys = [
      'defaultValue',
      'ordinal',
                        Severity: Minor
                        Found in src/Translator.js - About 25 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

                                    if (needsPluralHandling) {
              finalKeys.push(key + pluralSuffix);
              if (opt.ordinal && pluralSuffix.indexOf(ordinalPrefix) === 0) {
                finalKeys.push(
                  key + pluralSuffix.replace(ordinalPrefix, this.options.pluralSeparator),
                        Severity: Major
                        Found in src/Translator.js and 1 other location - About 2 hrs to fix
                        src/Translator.js on lines 520..530

                        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 100.

                        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 (needsPluralHandling) {
                finalKeys.push(contextKey + pluralSuffix);
                if (opt.ordinal && pluralSuffix.indexOf(ordinalPrefix) === 0) {
                  finalKeys.push(
                    contextKey + pluralSuffix.replace(ordinalPrefix, this.options.pluralSeparator),
                        Severity: Major
                        Found in src/Translator.js and 1 other location - About 2 hrs to fix
                        src/Translator.js on lines 502..512

                        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 100.

                        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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