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no-dupe-else-if ​

Forbid duplicate conditions in if-else-if chains

INFO

☑️ The predefined configuration "mslint:recommended" enables this rule.

Rule details ​

This rule prohibits duplicate conditions in the same if-else-if chain.

Example of incorrect code for this rule:

maniascript
main() {
  if (A) {}
  else if (A) {}

  if (A) {}
  else if (B) {}
  else if (A) {}
  else if (C) {}

  if (A) {}
  else if (B) {}
  else if (A) {}
  else if (B) {}
  else if (A) {}

  if (A || B) {}
  else if (A) {}
  else if (B) {}

  if (A || B) {}
  else if (B || A) {}

  if (A) {}
  else if (B) {}
  else if (A || B) {}

  if (A || B) {}
  else if (C || D) {}
  else if (A || D) {}

  if (A) {}
  else if (A && B) {}
}

Example of correct code for this rule:

maniascript
main() {
  if (A) {}
  else if (B) {}

  if (A || B) {}
  else if (C) {}
  else if (D) {}

  if (A || B) {}
  else if (C || D) {}

  if (A && B) {}
  else if (A) {}
}

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