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Chris Tate
dfd19cbea6
After socket.setEncoding("utf8"), Node passes strings to 'data'
listeners, while @types/node types the chunk as a Buffer. An inline
listener whose chunk is typed Buffer (annotated or inferred) received a
Buffer. When a program can call setEncoding on a socket, such listeners
now take the chunk as a checked dynamic value, so console.log, typeof,
string methods and concatenation behave as in Node, and Buffer-only
methods throw Node's TypeError. Programs without setEncoding on a socket
compile to the same IR as before.
2 lines
424 B
Plaintext
2 lines
424 B
Plaintext
After `socket.setEncoding("utf8")`, an inline `'data'` listener receives strings, as in Node, whatever type its chunk parameter declares. A listener passed by reference, such as a named function whose parameter is typed `Buffer`, keeps its `Buffer` parameter, so a string chunk throws `TypeError: expected Uint8Array at $[0], got string`. Declare that parameter as `string` or `string | Buffer`, or pass an inline function.
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