Buffer

Compares buf with target and returns a number indicating whether bufcomes before, after, or is the same as target in sort order. Comparison is based on the actual sequence of bytes in each Buffer.

Copies data from a region of buf to a region in target, even if the targetmemory region overlaps with buf.

Returns true if both buf and otherBuffer have exactly the same bytes,false otherwise. Equivalent to buf.compare(otherBuffer) === 0.

Fills buf with the specified value. If the offset and end are not given, the entire buf will be filled:

Equivalent to buf.indexOf() !== -1.

If value is:

Identical to buf.indexOf(), except the last occurrence of value is found rather than the first occurrence.

Reads a signed, big-endian 64-bit integer from buf at the specified offset.

Reads a signed, little-endian 64-bit integer from buf at the specifiedoffset.

Reads an unsigned, big-endian 64-bit integer from buf at the specifiedoffset.

Reads an unsigned, little-endian 64-bit integer from buf at the specifiedoffset.

Reads a 64-bit, big-endian double from buf at the specified offset.

Reads a 64-bit, little-endian double from buf at the specified offset.

Reads a 32-bit, big-endian float from buf at the specified offset.

Reads a 32-bit, little-endian float from buf at the specified offset.

Reads a signed, big-endian 16-bit integer from buf at the specified offset.

Reads a signed, little-endian 16-bit integer from buf at the specifiedoffset.

Reads a signed, big-endian 32-bit integer from buf at the specified offset.

Reads a signed, little-endian 32-bit integer from buf at the specifiedoffset.

Reads a signed 8-bit integer from buf at the specified offset.

Reads byteLength number of bytes from buf at the specified offset and interprets the result as a big-endian, two's complement signed value supporting up to 48 bits of accuracy.

Reads byteLength number of bytes from buf at the specified offset and interprets the result as a little-endian, two's complement signed value supporting up to 48 bits of accuracy.

Reads an unsigned, big-endian 16-bit integer from buf at the specifiedoffset.

Reads an unsigned, little-endian 16-bit integer from buf at the specified offset.

Reads an unsigned, big-endian 32-bit integer from buf at the specifiedoffset.

Reads an unsigned, little-endian 32-bit integer from buf at the specifiedoffset.

Reads an unsigned 8-bit integer from buf at the specified offset.

Reads byteLength number of bytes from buf at the specified offset and interprets the result as an unsigned big-endian integer supporting up to 48 bits of accuracy.

Reads byteLength number of bytes from buf at the specified offset and interprets the result as an unsigned, little-endian integer supporting up to 48 bits of accuracy.

Returns a new Buffer that references the same memory as the original, but offset and cropped by the start and end indices.

Returns a new Buffer that references the same memory as the original, but offset and cropped by the start and end indices.

Interprets buf as an array of unsigned 16-bit integers and swaps the byte order in-place. Throws ERR_INVALID_BUFFER_SIZE if buf.length is not a multiple of 2.

Interprets buf as an array of unsigned 32-bit integers and swaps the byte order in-place. Throws ERR_INVALID_BUFFER_SIZE if buf.length is not a multiple of 4.

Interprets buf as an array of 64-bit numbers and swaps byte order in-place. Throws ERR_INVALID_BUFFER_SIZE if buf.length is not a multiple of 8.

Returns a JSON representation of buf. JSON.stringify() implicitly calls this function when stringifying a Buffer instance.

Decodes buf to a string according to the specified character encoding inencoding. start and end may be passed to decode only a subset of buf.

Writes string to buf at offset according to the character encoding inencoding. The length parameter is the number of bytes to write. If buf did not contain enough space to fit the entire string, only part of string will be written. However, partially encoded characters will not be written.

Writes value to buf at the specified offset as big-endian.

Writes value to buf at the specified offset as little-endian.

Writes value to buf at the specified offset as big-endian.

Writes value to buf at the specified offset as little-endian

Writes value to buf at the specified offset as big-endian. The value must be a JavaScript number. Behavior is undefined when value is anything other than a JavaScript number.

Writes value to buf at the specified offset as little-endian. The value must be a JavaScript number. Behavior is undefined when value is anything other than a JavaScript number.

Writes value to buf at the specified offset as big-endian. Behavior is undefined when value is anything other than a JavaScript number.

Writes value to buf at the specified offset as little-endian. Behavior is undefined when value is anything other than a JavaScript number.

Writes value to buf at the specified offset as big-endian. The value must be a valid signed 16-bit integer. Behavior is undefined when value is anything other than a signed 16-bit integer.

Writes value to buf at the specified offset as little-endian. The value must be a valid signed 16-bit integer. Behavior is undefined when value is anything other than a signed 16-bit integer.

Writes value to buf at the specified offset as big-endian. The value must be a valid signed 32-bit integer. Behavior is undefined when value is anything other than a signed 32-bit integer.

Writes value to buf at the specified offset as little-endian. The value must be a valid signed 32-bit integer. Behavior is undefined when value is anything other than a signed 32-bit integer.

Writes value to buf at the specified offset. value must be a valid signed 8-bit integer. Behavior is undefined when value is anything other than a signed 8-bit integer.

Writes byteLength bytes of value to buf at the specified offsetas big-endian. Supports up to 48 bits of accuracy. Behavior is undefined whenvalue is anything other than a signed integer.

Writes byteLength bytes of value to buf at the specified offsetas little-endian. Supports up to 48 bits of accuracy. Behavior is undefined when value is anything other than a signed integer.

Writes value to buf at the specified offset as big-endian. The value must be a valid unsigned 16-bit integer. Behavior is undefined when valueis anything other than an unsigned 16-bit integer.

Writes value to buf at the specified offset as little-endian. The value must be a valid unsigned 16-bit integer. Behavior is undefined when value is anything other than an unsigned 16-bit integer.

Writes value to buf at the specified offset as big-endian. The value must be a valid unsigned 32-bit integer. Behavior is undefined when valueis anything other than an unsigned 32-bit integer.

Writes value to buf at the specified offset as little-endian. The value must be a valid unsigned 32-bit integer. Behavior is undefined when value is anything other than an unsigned 32-bit integer.

Writes value to buf at the specified offset. value must be a valid unsigned 8-bit integer. Behavior is undefined when value is anything other than an unsigned 8-bit integer.

Writes byteLength bytes of value to buf at the specified offsetas big-endian. Supports up to 48 bits of accuracy. Behavior is undefined when value is anything other than an unsigned integer.

Writes byteLength bytes of value to buf at the specified offsetas little-endian. Supports up to 48 bits of accuracy. Behavior is undefined when value is anything other than an unsigned integer.