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docs(eslint-plugin): [no-unnecessary-boolean-literal-compare] add warning message #2832

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Dec 1, 2020
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docs(eslint-plugin): [no-unnecessary-boolean-literal-compare] add warning message #2832

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4 changes: 4 additions & 0 deletions packages/eslint-plugin/docs/rules/no-unnecessary-boolean-literal-compare.md
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Expand Up @@ -8,6 +8,10 @@ This rule ensures that you do not include unnecessary comparisons with boolean l
A comparison is considered unnecessary if it checks a boolean literal against any variable with just the `boolean` type.
A comparison is **_not_** considered unnecessary if the type is a union of booleans (`string | boolean`, `someObject | boolean`).

**Warning**: Do not use this rule when `strictNullChecks` is disabled.
ESLint is not able to distinguish between `false` and `undefined` or `null` values.
This can cause unintended code changes when using autofix.

**Note**: Throughout this page, only strict equality (`===` and `!==`) are
used in the examples. However, the implementation of the rule does not
distinguish between strict and loose equality. Any example below that uses
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