[Vuejs]-';' expected when trying to map to array of objects

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const documentData = snapshot.docs.map(d => {'key':d.id,'value':d.data()});

The problem with this snippet of code is that in a lambda expression, {} is interpreted as a block of statements rather than an object. In order to fix this, simply surround the object notation with parenthesis like so

const documentData = snapshot.docs.map(d => ({'key':d.id,'value':d.data()}));

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