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Christian Aurich Zanettini Martins
cc610f1cfb
openAsBlob() and openAsBlobSync() read the MIME type as
options.type || '' before validating it, causing falsy non-string
values to be replaced with the default before reaching validateString().
As a result, { type: 0 }, { type: false }, { type: null }, and
{ type: NaN } are accepted as an empty type, while { type: 1 }
throws ERR_INVALID_ARG_TYPE.
Default the option only when it is undefined so all other values are
validated against the documented string type.
Signed-off-by: Christian Aurich Zanettini Martins <christian.aurichzm@gmail.com>
PR-URL: https://github.com/nodejs/node/pull/66125
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Filip Skokan <panva.ip@gmail.com>