@zip.js/zip.js
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    Variable ERR_EXTRAFIELD_ZIP64_NOT_FOUNDConst

    ERR_EXTRAFIELD_ZIP64_NOT_FOUND: string

    Extra field Zip64 not found error

    Raised by ZipReader#getEntries when the Zip64 extra field of a central directory record is missing or too short to hold the values that the 0xFFFFFFFF and 0xFFFF sentinels of the record defer to it, since the sizes and the offset of the entry have no other source. The same defect in a local file header is not fatal, because the sizes of an entry are read from the central directory: FileEntry#getData reports it as WARNING_MALFORMED_EXTRA_FIELD on EntryMetaData#warnings, and an entry without a data descriptor keeps the sentinels as its local sizes, which the local file header check reports as WARNING_MISMATCHED_LOCAL_FILE_HEADER_CRC32_OR_SIZES, an error or a warning depending on ZipReaderOptions#strictness. Also thrown by ZipWriter#appendZip, before anything is written, when an entry to copy lacks the field (see WARNING_MISSING_ZIP64_EXTRA_FIELD).