no-extra-label.md

Pattern: Unnecessary labeled break/continue

Issue: -

Description

Labels on loops are only needed when breaking/continuing to that label from a nested loop or switch. If there are no nested loops or switches, the label is unnecessary and can be confusing as developers expect labels to handle more complex flow control.

Examples

Example of incorrect code:

outer: while (condition) {
  break outer;
}

loop1: for (let i = 0; i < 3; i++) {
  continue loop1;
}

check: switch (value) {
  case 1:
    break check;
}

Example of correct code:

while (condition) {
  break;
}

outer: while (condition1) {
  while (condition2) {
    break outer;
  }
}

loop1: for (let i = 0; i < 3; i++) {
  for (let j = 0; j < 3; j++) {
    continue loop1;
  }
}