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Blob constructor error message when passing a string is misleading #38856

Description

@Ethan-Arrowood

Is your feature request related to a problem? Please describe.

Working with the new Blob api. Cannot instantiate using a string though I don't see why not.

new Blob('nodejs')

// -> The "sources" argument must be an instance of Iterable. Received type string ('nodejs')

Describe the solution you'd like

Maybe I'm misunderstanding, but I think strings to implement [Symbol.iterator]; does that not make it an instance of Iterable?

Describe alternatives you've considered

Plenty of work arounds - think this would make for a good addition.

Happy to contribute this feature too

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    bufferIssues and PRs related to the buffer subsystem.errorsIssues and PRs related to JavaScript errors originating in Node.js core.

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