[Flight] Error if a legacy React Element is attempted to be rendered #29043
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eps1lon
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May 10, 2024
| throw new Error( | ||
| 'A React Element from an older version of React was rendered. ' + | ||
| 'This is not supported. It can happen if:\n' + | ||
| '- Multiple copies of the "react" package is used.\n' + |
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| '- Multiple copies of the "react" package is used.\n' + | |
| '- Multiple copies of the "react" package are used.\n' + |
| expectedMessage={ | ||
| 'A React Element from an older version of React was rendered. ' + | ||
| 'This is not supported. It can happen if:\n' + | ||
| '- Multiple copies of the "react" package is used.\n' + |
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| '- Multiple copies of the "react" package is used.\n' + | |
| '- Multiple copies of the "react" package are used.\n' + |
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This errors on the client normally but in the case the
typeis a function - i.e. a Server Component - it wouldn't be transferred to error on the client so you end up with a worse error message. So this just implements the same check as ChildFiber.