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client-reactnative/src/helpers/chat/inputUtils.ts

Summary

Maintainability
D
2 days
Test Coverage

File inputUtils.ts has 374 lines of code (exceeds 250 allowed). Consider refactoring.
Open

import {diffChars} from 'diff';
import {StyleProp, TextStyle} from 'react-native';
// @ts-ignore the lib do not have TS declarations yet
import matchAll from 'string.prototype.matchall';
import {
Severity: Minor
Found in client-reactnative/src/helpers/chat/inputUtils.ts - About 5 hrs to fix

Function parseValue has a Cognitive Complexity of 32 (exceeds 5 allowed). Consider refactoring.
Open

const parseValue = (
  value: string,
  partTypes: PartType[],
  positionOffset = 0,
): {plainText: string; parts: Part[]} => {
Severity: Minor
Found in client-reactnative/src/helpers/chat/inputUtils.ts - 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 parseValue has 73 lines of code (exceeds 25 allowed). Consider refactoring.
Open

const parseValue = (
  value: string,
  partTypes: PartType[],
  positionOffset = 0,
): {plainText: string; parts: Part[]} => {
Severity: Major
Found in client-reactnative/src/helpers/chat/inputUtils.ts - About 2 hrs to fix

Function getMentionPartSuggestionKeywords has 46 lines of code (exceeds 25 allowed). Consider refactoring.
Open

const getMentionPartSuggestionKeywords = (
  parts: Part[],
  plainText: string,
  selection: Position,
  partTypes: PartType[],
Severity: Minor
Found in client-reactnative/src/helpers/chat/inputUtils.ts - About 1 hr to fix

Function generateValueWithAddedSuggestion has 40 lines of code (exceeds 25 allowed). Consider refactoring.
Open

const generateValueWithAddedSuggestion = (
  parts: Part[],
  mentionType: MentionPartType,
  plainText: string,
  selection: Position,
Severity: Minor
Found in client-reactnative/src/helpers/chat/inputUtils.ts - About 1 hr to fix

Function getPartsInterval has 39 lines of code (exceeds 25 allowed). Consider refactoring.
Open

const getPartsInterval = (
  parts: Part[],
  cursor: number,
  count: number,
): Part[] => {
Severity: Minor
Found in client-reactnative/src/helpers/chat/inputUtils.ts - About 1 hr to fix

Function generateValueFromPartsAndChangedText has 28 lines of code (exceeds 25 allowed). Consider refactoring.
Open

const generateValueFromPartsAndChangedText = (
  parts: Part[],
  originalText: string,
  changedText: string,
) => {
Severity: Minor
Found in client-reactnative/src/helpers/chat/inputUtils.ts - About 1 hr to fix

Function getPartsInterval has a Cognitive Complexity of 9 (exceeds 5 allowed). Consider refactoring.
Open

const getPartsInterval = (
  parts: Part[],
  cursor: number,
  count: number,
): Part[] => {
Severity: Minor
Found in client-reactnative/src/helpers/chat/inputUtils.ts - 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

Avoid too many return statements within this function.
Open

            return;
Severity: Major
Found in client-reactnative/src/helpers/chat/inputUtils.ts - About 30 mins to fix

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

      const part = parts.find(
        one =>
          selection.end >= one.position.start &&
          selection.end <= one.position.end,
      );
Severity: Minor
Found in client-reactnative/src/helpers/chat/inputUtils.ts and 1 other location - About 55 mins to fix
client-reactnative/src/helpers/chat/inputUtils.ts on lines 304..307

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 54.

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 currentPartIndex = parts.findIndex(
    one =>
      selection.end >= one.position.start && selection.end <= one.position.end,
  );
Severity: Minor
Found in client-reactnative/src/helpers/chat/inputUtils.ts and 1 other location - About 55 mins to fix
client-reactnative/src/helpers/chat/inputUtils.ts on lines 161..165

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 54.

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 (mentionData.trigger !== partType.trigger) {
          const plainTextAndParts = parseValue(
            mentionData.original,
            restPartTypes,
            positionOffset + plainText.length,
Severity: Minor
Found in client-reactnative/src/helpers/chat/inputUtils.ts and 1 other location - About 35 mins to fix
client-reactnative/src/helpers/chat/inputUtils.ts on lines 492..526

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 47.

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 (isMentionPartType(partType)) {
        const mentionData = getMentionDataFromRegExMatchResult(result);

        // Matched pattern is a mention and the mention doesn't match current mention type
        // We should parse the mention with rest part types
Severity: Minor
Found in client-reactnative/src/helpers/chat/inputUtils.ts and 1 other location - About 35 mins to fix
client-reactnative/src/helpers/chat/inputUtils.ts on lines 497..515

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 47.

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

== should be ===
Open

        triggerIndex == -1 ||
Severity: Minor
Found in client-reactnative/src/helpers/chat/inputUtils.ts by tslint

Rule: triple-equals

Requires === and !== in place of == and !=.

Config

Two arguments may be optionally provided:

  • "allow-null-check" allows == and != when comparing to null.
  • "allow-undefined-check" allows == and != when comparing to undefined.
Examples
"triple-equals": true
"triple-equals": true,allow-null-check
"triple-equals": true,allow-undefined-check
Schema
{
  "type": "array",
  "items": {
    "type": "string",
    "enum": [
      "allow-null-check",
      "allow-undefined-check"
    ]
  },
  "minLength": 0,
  "maxLength": 2
}

For more information see this page.

!= should be !==
Open

    if (matches[0].index != 0) {
Severity: Minor
Found in client-reactnative/src/helpers/chat/inputUtils.ts by tslint

Rule: triple-equals

Requires === and !== in place of == and !=.

Config

Two arguments may be optionally provided:

  • "allow-null-check" allows == and != when comparing to null.
  • "allow-undefined-check" allows == and != when comparing to undefined.
Examples
"triple-equals": true
"triple-equals": true,allow-null-check
"triple-equals": true,allow-undefined-check
Schema
{
  "type": "array",
  "items": {
    "type": "string",
    "enum": [
      "allow-null-check",
      "allow-undefined-check"
    ]
  },
  "minLength": 0,
  "maxLength": 2
}

For more information see this page.

!= should be !==
Open

      if (selection.end != selection.start) {
Severity: Minor
Found in client-reactnative/src/helpers/chat/inputUtils.ts by tslint

Rule: triple-equals

Requires === and !== in place of == and !=.

Config

Two arguments may be optionally provided:

  • "allow-null-check" allows == and != when comparing to null.
  • "allow-undefined-check" allows == and != when comparing to undefined.
Examples
"triple-equals": true
"triple-equals": true,allow-null-check
"triple-equals": true,allow-undefined-check
Schema
{
  "type": "array",
  "items": {
    "type": "string",
    "enum": [
      "allow-null-check",
      "allow-undefined-check"
    ]
  },
  "minLength": 0,
  "maxLength": 2
}

For more information see this page.

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