Add utf7 decoding for Gmail labels#586
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Some IMAP servers emit FETCH responses where an even-indexed atom
(key position) is an integer-shaped token (e.g. "* 1 FETCH (12345 NIL)"
or as observed in the wild on the @integromat/imap consumer side via
extension/quirk responses). convStr returns a JS number for such atoms,
and parseFetch then calls .toLowerCase() on it, throwing:
TypeError: list[i].toLowerCase is not a function
at Parser.parseFetch (lib/Parser.js:431)
Coerce the key token to a string at the extraction site. Value-position
numeric atoms (RFC822.SIZE, MODSEQ, UIDNEXT, etc.) are untouched, so
existing consumers that read those as numbers see no behavior change.
Bump to 0.8.22.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Fix TypeError in parseFetch for integer-shaped key tokens
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This solves problem with Gmail labels encoded with modified UTF-7. It is similar to #126