pi-lens/rules/tree-sitter-queries/javascript/switch-non-case-labels.yml

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# JavaScript Switch Non-Case Labels
# Detects non-case labels inside switch statements in JavaScript
id: switch-non-case-labels-js
name: Switch Should Not Contain Non-Case Labels
severity: error
category: reliability
defect_class: correctness
inline_tier: blocking
language: javascript

message: "switch statements should not contain non-case labels"

description: |
  Non-case labels in switch statements create confusing control flow.
  This is a MISRA rule violation.

  ✅ FIX: Remove labels or restructure code

query: |
  (switch_statement
    body: (switch_body
      (switch_case
        (labeled_statement
          (statement_identifier) @LABEL) @LABELED)))

metavars:
  - LABEL
  - LABELED

tags:
  - reliability
  - javascript
  - misra
  - control-flow

examples:
  bad: |
    switch (x) {
        case 1:
            break;
        myLabel:  // BAD
            doSomething();
    }

  good: |
    switch (x) {
        case 1:
            break;
        default:
            break;
    }

has_fix: false