babel/packages/babel-plugin-proposal-logical-assignment-operators/test/fixtures/logical-assignment/named-functions-exec/exec.js

var a, b = true, c;

a ||= function d() {};
b &&= function e() {};
c ??= function f() {};

expect(a.name).toBe("d");
expect(b.name).toBe("e");
expect(c.name).toBe("f");