Update plugin-proposal-logical-assignment-operators.md (#2108)

add nullish coalescing assignment example in / out Co-authored-by: Henry Zhu <hi@henryzoo.com>
babel · Apr 12, 2021 · cdc9723 · cdc9723
1 parent 3317331
commit cdc9723
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diff --git a/docs/plugin-proposal-logical-assignment-operators.md b/docs/plugin-proposal-logical-assignment-operators.md
@@ -30,6 +30,24 @@ a && (a = b);
 (_obj$a2 = obj.a).b && (_obj$a2.b = c);
 ```
 
+### With Nullish Coalescing
+
+> While using the `@babel/plugin-proposal-nullish-coalescing-operator` plugin (included in `@babel/preset-env`)
+
+```javascript
+a ??= b;
+obj.a.b ??= c;
+```
+
+```javascript
+var _a, _obj$a, _obj$a$b;
+
+(_a = a) !== null && _a !== void 0 ? _a : (a = b);
+(_obj$a$b = (_obj$a = obj.a).b) !== null && _obj$a$b !== void 0
+  ? _obj$a$b
+  : (_obj$a.b = c);
+```
+
 ## Installation
 
 ```sh