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¿Cómo transferir datos de la ventana secundaria a la ventana principal?

Tengo dos componentes de reacción padre e hijo. Necesito pasar un token de un componente secundario a uno principal. El componente secundario se abre con window.open desde el componente principal. No puedo obtener una referencia al componente principal y pasarle datos del componente secundario.

 function Parent() { return ( const SSOWindowOpen = () => { const left = (screen.width - 465 ) / 2 const top = (screen.height - 650 ) / 4 const SSOWindow = window.open('/sso', 'SSOWindow', 'resizable=yes, width=' + 465 + ', height=' + 650 + ', top=' + top + ', left=' + left);) }

componente hijo

 function children() { return ( const Token = 123-token-123 window.opener ?????? ) }
about 4 years ago · Juan Pablo Isaza
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Puede declarar una variable de token en la ventana principal y desde la ventana secundaria puede asignarla como:

 `window.opener.variable_name=Token;`
about 4 years ago · Juan Pablo Isaza Report
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