no-constant-condition

Note: this rule is part of the recommended rule set.

Enable the full set in ende.json:

{
  "lint": {
    "rules": {
      "tags": ["recommended"]
    }
  }
}

Enable the full set using the Ende CLI:

ende lint --rules-tags=recommended

This rule can be explicitly included in or excluded from the rules present in the current tag by adding it to the include or exclude array in ende.json:

{
  "lint": {
    "rules": {
      "include": ["no-constant-condition"],
      "exclude": ["no-constant-condition"]
    }
  }
}

Disallows the use of a constant expression in conditional test.

Using a constant expression in a conditional test is often either a mistake or a temporary situation introduced during development and is not ready for production.

Invalid:

if (true) {}
if (2) {}
do {} while (x = 2); // infinite loop

Valid:

if (x) {}
if (x === 0) {}
do {} while (x === 2);