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kafkajs

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kafkajs - npm Package Compare versions

Comparing version

to
1.13.0-beta.51

6

package.json
{
"name": "kafkajs",
"version": "1.13.0-beta.50",
"version": "1.13.0-beta.51",
"description": "A modern Apache Kafka client for node.js",

@@ -82,5 +82,5 @@ "author": "Tulio Ornelas <ornelas.tulio@gmail.com>",

"kafkajs": {
"sha": "af684ba10ccecec7c23e812cdb742090971ba74b",
"compare": "https://github.com/tulios/kafkajs/compare/v1.12.0...af684ba10ccecec7c23e812cdb742090971ba74b"
"sha": "6b2d7235c84256a28149bc25c0e69d853b8f14b5",
"compare": "https://github.com/tulios/kafkajs/compare/v1.12.0...6b2d7235c84256a28149bc25c0e69d853b8f14b5"
}
}

@@ -57,10 +57,43 @@ const Long = require('long')

constructor() {
this.buffer = Buffer.alloc(0)
static nextPowerOfTwo(value) {
return 1 << (31 - Math.clz32(value) + 1)
}
/**
* Construct a new encoder with the given initial size
*
* @param {number} [initialSize] initial size
*/
constructor(initialSize = 511) {
this.buf = Buffer.alloc(Encoder.nextPowerOfTwo(initialSize))
this.offset = 0
}
/**
* @param {Buffer} buffer
*/
writeBufferInternal(buffer) {
const bufferLength = buffer.length
this.ensureAvailable(bufferLength)
buffer.copy(this.buf, this.offset, 0)
this.offset += bufferLength
}
ensureAvailable(length) {
if (this.offset + length > this.buf.length) {
const newLength = Encoder.nextPowerOfTwo(this.offset + length)
const newBuffer = Buffer.alloc(newLength)
this.buf.copy(newBuffer, 0, 0, this.offset)
this.buf = newBuffer
}
}
get buffer() {
return this.buf.slice(0, this.offset)
}
writeInt8(value) {
const tempBuffer = Buffer.alloc(INT8_SIZE)
tempBuffer.writeInt8(value)
this.buffer = Buffer.concat([this.buffer, tempBuffer])
this.ensureAvailable(INT8_SIZE)
this.buf.writeInt8(value, this.offset)
this.offset += INT8_SIZE
return this

@@ -70,5 +103,5 @@ }

writeInt16(value) {
const tempBuffer = Buffer.alloc(INT16_SIZE)
tempBuffer.writeInt16BE(value)
this.buffer = Buffer.concat([this.buffer, tempBuffer])
this.ensureAvailable(INT16_SIZE)
this.buf.writeInt16BE(value, this.offset)
this.offset += INT16_SIZE
return this

@@ -78,5 +111,5 @@ }

writeInt32(value) {
const tempBuffer = Buffer.alloc(INT32_SIZE)
tempBuffer.writeInt32BE(value)
this.buffer = Buffer.concat([this.buffer, tempBuffer])
this.ensureAvailable(INT32_SIZE)
this.buf.writeInt32BE(value, this.offset)
this.offset += INT32_SIZE
return this

@@ -86,5 +119,5 @@ }

writeUInt32(value) {
const tempBuffer = Buffer.alloc(INT32_SIZE)
tempBuffer.writeUInt32BE(value)
this.buffer = Buffer.concat([this.buffer, tempBuffer])
this.ensureAvailable(INT32_SIZE)
this.buf.writeUInt32BE(value, this.offset)
this.offset += INT32_SIZE
return this

@@ -94,7 +127,7 @@ }

writeInt64(value) {
const tempBuffer = Buffer.alloc(INT64_SIZE)
this.ensureAvailable(INT64_SIZE)
const longValue = Long.fromValue(value)
tempBuffer.writeInt32BE(longValue.getHighBits(), 0)
tempBuffer.writeInt32BE(longValue.getLowBits(), 4)
this.buffer = Buffer.concat([this.buffer, tempBuffer])
this.buf.writeInt32BE(longValue.getHighBits(), this.offset)
this.buf.writeInt32BE(longValue.getLowBits(), this.offset + INT32_SIZE)
this.offset += INT64_SIZE
return this

@@ -115,6 +148,6 @@ }

const byteLength = Buffer.byteLength(value, 'utf8')
this.ensureAvailable(INT16_SIZE + byteLength)
this.writeInt16(byteLength)
const tempBuffer = Buffer.alloc(byteLength)
tempBuffer.write(value, 0, byteLength, 'utf8')
this.buffer = Buffer.concat([this.buffer, tempBuffer])
this.buf.write(value, this.offset, byteLength, 'utf8')
this.offset += byteLength
return this

@@ -131,5 +164,5 @@ }

this.writeVarInt(byteLength)
const tempBuffer = Buffer.alloc(byteLength)
tempBuffer.write(value, 0, byteLength, 'utf8')
this.buffer = Buffer.concat([this.buffer, tempBuffer])
this.ensureAvailable(byteLength)
this.buf.write(value, this.offset, byteLength, 'utf8')
this.offset += byteLength
return this

@@ -146,11 +179,12 @@ }

// raw bytes
this.ensureAvailable(INT32_SIZE + value.length)
this.writeInt32(value.length)
this.buffer = Buffer.concat([this.buffer, value])
this.writeBufferInternal(value)
} else {
const valueToWrite = String(value)
const byteLength = Buffer.byteLength(valueToWrite, 'utf8')
this.ensureAvailable(INT32_SIZE + byteLength)
this.writeInt32(byteLength)
const tempBuffer = Buffer.alloc(byteLength)
tempBuffer.write(valueToWrite, 0, byteLength, 'utf8')
this.buffer = Buffer.concat([this.buffer, tempBuffer])
this.buf.write(valueToWrite, this.offset, byteLength, 'utf8')
this.offset += byteLength
}

@@ -170,3 +204,3 @@

this.writeVarInt(value.length)
this.buffer = Buffer.concat([this.buffer, value])
this.writeBufferInternal(value)
} else {

@@ -176,5 +210,5 @@ const valueToWrite = String(value)

this.writeVarInt(byteLength)
const tempBuffer = Buffer.alloc(byteLength)
tempBuffer.write(valueToWrite, 0, byteLength, 'utf8')
this.buffer = Buffer.concat([this.buffer, tempBuffer])
this.ensureAvailable(byteLength)
this.buf.write(valueToWrite, this.offset, byteLength, 'utf8')
this.offset += byteLength
}

@@ -186,19 +220,18 @@

writeEncoder(value) {
if (value == null || value.buffer == null) {
if (value == null || !Buffer.isBuffer(value.buf)) {
throw new Error('value should be an instance of Encoder')
}
return this.writeBuffer(value.buffer)
this.writeBufferInternal(value.buffer)
return this
}
writeEncoderArray(value) {
if (!Array.isArray(value) || value.some(v => v == null || !Buffer.isBuffer(v.buffer))) {
if (!Array.isArray(value) || value.some(v => v == null || !Buffer.isBuffer(v.buf))) {
throw new Error('all values should be an instance of Encoder[]')
}
const newBuffer = [this.buffer]
value.forEach(v => {
newBuffer.push(v.buffer)
this.writeBufferInternal(v.buffer)
})
this.buffer = Buffer.concat(newBuffer)
return this

@@ -212,3 +245,3 @@ }

this.buffer = Buffer.concat([this.buffer, value])
this.writeBufferInternal(value)
return this

@@ -225,3 +258,4 @@ }

const length = array.length !== 0 ? array.length : -1
return this.writeArray(array, type, length)
this.writeArray(array, type, length)
return this
}

@@ -292,3 +326,3 @@

byteArray.push(encodedValue & OTHER_BITS)
this.buffer = Buffer.concat([this.buffer, Buffer.from(byteArray)])
this.writeBufferInternal(Buffer.from(byteArray))
return this

@@ -313,3 +347,3 @@ }

this.buffer = Buffer.concat([this.buffer, Buffer.from(byteArray)])
this.writeBufferInternal(Buffer.from(byteArray))
return this

@@ -319,3 +353,4 @@ }

size() {
return Buffer.byteLength(this.buffer)
// We can use the offset here directly, because we anyways will not re-encode the buffer when writing
return this.offset
}

@@ -322,0 +357,0 @@