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Class FileHeader

4.3.7 Local file header:

local file header signature     4 bytes  (0x04034b50)
version needed to extract       2 bytes
general purpose bit flag        2 bytes
compression method              2 bytes

last mod file time 2 bytes last mod file date 2 bytes crc-32 4 bytes compressed size 4 bytes uncompressed size 4 bytes file name length 2 bytes extra field length 2 bytes

file name (variable size) extra field (variable size)

Hierarchy

  • FileHeader

Index

Constructors

constructor

Methods

compressionMethod

crc32

  • crc32(): number

extraField

  • extraField(): Buffer

extraFieldLength

  • extraFieldLength(): number

fileName

  • fileName(): string

fileNameLength

  • fileNameLength(): number
  • These two values are COMPLETELY USELESS.

    Section 4.4.9: If bit 3 of the general purpose bit flag is set, these fields are set to zero in the local header and the correct values are put in the data descriptor and in the central directory.

    So we'll just use the central directory's values.

    Returns number

flags

  • flags(): number

lastModFileTime

  • lastModFileTime(): Date

rawLastModFileTime

  • rawLastModFileTime(): number

totalSize

  • totalSize(): number

useUTF8

  • useUTF8(): boolean

versionNeeded

  • versionNeeded(): number

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