protobuf-codec - npm Package Compare versions

Comparing version 1.0.3 to 1.0.4

decode/reader.js

 import { decoders, tag } from './wire-types.js'
 import assert from 'nanoassert'
 
-export default function* reader(
+export default function * reader (
   buf,
   byteOffset = 0,
-  byteLength = buf.byteLength) {
+  byteLength = buf.byteLength
+) {
   let o = byteOffset
@@ -9,0 +10,0 @@ const end = byteOffset + byteLength

encode/wire-types.js

@@ -0,1 +1,73 @@
+import assert from 'nanoassert'
+
+export const wireTypes = {
+  VARINT: 0,
+  BYTES: 2,
+  FIXED64: 1,
+  FIXED32: 5
+}
+
+export const varint = {
+  encode (
+    int,
+    buf = alloc(this, int),
+    byteOffset = 0
+  ) {
+    assert(int <= varint.MAX_VALUE, 'int exceeds MAX_VALUE')
+    let o = byteOffset
+    let n = BigInt(int)
+
+    while (n >= 128n) {
+      buf[o++] = Number((n & 0xffn) | 0b1000_0000n)
+      n >>= 7n
+    }
+
+    buf[o++] = Number(n)
+
+    this.encode.bytes = o - byteOffset
+    return buf.subarray(byteOffset, o)
+  },
+  encodeOversize (int, len, buf, byteOffset = 0) {
+    assert(int <= varint.MAX_VALUE, 'int exceeds MAX_VALUE')
+    assert(len >= this.encodingLength(int), 'len does not fit int')
+    assert(buf.byteLength - byteOffset >= len, 'buf does not fit len')
+    let o = byteOffset
+    const end = byteOffset + len - 1
+
+    let n = BigInt(int)
+
+    while (o < end) {
+      buf[o++] = Number((n & 0xffn) | 0b1000_0000n)
+      n >>= 7n
+    }
+
+    buf[o++] = Number(n)
+
+    this.encodeOversize.bytes = o - byteOffset
+    return buf.subarray(byteOffset, o)
+  },
+  encodingLength (int) {
+    assert(int <= varint.MAX_VALUE, 'int exceeds MAX_VALUE')
+    if (int <= 0xffff_ffff) return (9 * (32 - Math.clz32(Number(int))) + 64) / 64 | 0
+    const high = Number(BigInt(int) >> 32n)
+    return (9 * (32 - Math.clz32(high) + 32) + 64) / 64 | 0
+  },
+  MAX_VALUE: (1n << 64n) - 1n
+}
+
+export const bytes = {
+  encode (src, buf = alloc(this, src), byteOffset = 0) {
+    let o = byteOffset
+    varint.encode(src.byteLength, buf, o)
+    o += varint.encode.bytes
+    buf.set(src, o)
+    o += src.byteLength
+    this.encode.bytes = o - byteOffset
+    return buf.subarray(byteOffset, o)
+  },
+  encodingLength (src) {
+    return varint.encodingLength(src.byteLength) + src.byteLength
+  }
+}
+
 export const tag = {
@@ -25,3 +97,3 @@ encode (
 export const string = {
-  encode(str, buf = alloc(this, str), byteOffset = 0) {
+  encode (str, buf = alloc(this, str), byteOffset = 0) {
     assert(typeof str === 'string')
@@ -150,3 +222,3 @@ const src = utf8.decode(str)
 export const enumerable = {
-  encode(en, buf = alloc(this, en), byteOffset = 0) {
+  encode (en, buf = alloc(this, en), byteOffset = 0) {
     assert(en <= enumerable.MAX_VALUE, 'enum value exceeds MAX_VALUE')
@@ -153,0 +225,0 @@ varint.encode(en, buf, byteOffset)

encode/writer.js

@@ -1,2 +0,2 @@
-import { varint, tag, bytes, uint64, uint32, wireTypes } from './wire-types.js'
+import { varint, tag, uint64, bytes, uint32, wireTypes } from './wire-types.js'
 
@@ -18,3 +18,3 @@ const PAGE_SIZE = 256
    */
-  get pages() {
+  get pages () {
     return this.buf.length
@@ -30,3 +30,3 @@ }
    */
-  alloc(bytes) {
+  alloc (bytes) {
     const tail = this.buf.at(-1)
@@ -49,7 +49,6 @@ if (tail.byteLength - this.offset >= bytes) {
    */
-  _trim() {
+  _trim () {
     if (this.offset === 0) {
       this.buf.pop() // remove the item that is unused
-    }
-    else this.buf.push(this.buf.pop().subarray(0, this.offset))
+    } else this.buf.push(this.buf.pop().subarray(0, this.offset))
   }
@@ -64,6 +63,6 @@
    */
-  append(...bufs) {
+  append (...bufs) {
     this._trim()
     this.buf.push(...bufs)
-    let tail = this.buf.at(-1)
+    const tail = this.buf.at(-1)
     this.offset = tail.byteLength
@@ -81,3 +80,3 @@
    */
-  varint(fieldNumber, value, codec = varint) {
+  varint (fieldNumber, value, codec = varint) {
     if (!value) return
@@ -94,3 +93,3 @@
 
-  bytes(fieldNumber, value, codec = bytes) {
+  bytes (fieldNumber, value, codec = bytes) {
     if (!value) return
@@ -107,3 +106,3 @@
 
-  fixed64(fieldNumber, value, codec = uint64) {
+  fixed64 (fieldNumber, value, codec = uint64) {
     if (!value) return
@@ -119,3 +118,3 @@ const buf = this.alloc(
 
-  fixed32(fieldNumber, value, codec = uint32) {
+  fixed32 (fieldNumber, value, codec = uint32) {
     if (!value) return
@@ -151,5 +150,5 @@ const buf = this.alloc(
    */
-  concat(buf, byteOffset = 0) {
+  concat (buf, byteOffset = 0) {
     this._trim()
-    let size = this.encodingLength()
+    const size = this.encodingLength()
 
@@ -167,5 +166,1 @@ if (buf == null) buf = new Uint8Array(size)
 }
-
-function _view (bytes) {
-  return new DataView(bytes.buffer, bytes.byteOffset, bytes.byteLength)
-}

package.json

 {
   "name": "protobuf-codec",
-  "version": "1.0.3",
+  "version": "1.0.4",
   "description": "Minimal Protocol Buffers wire encoding/decoding",
@@ -11,3 +11,4 @@ "type": "module",
   "scripts": {
-    "test": "tape 'test/**/*.mjs'"
+    "test": "tape 'test/**/*.mjs'",
+    "posttest": "standard ."
   },
@@ -34,2 +35,3 @@ "repository": {
   "devDependencies": {
+    "standard": "^17.0.0",
     "tape": "^5.5.3"
@@ -36,0 +38,0 @@ },

test/writer.js

@@ -1,2 +0,2 @@
-import Writer from "../encode/writer.mjs"
+import Writer from '../encode/writer.js'
 import test from 'tape'
@@ -3,0 +3,0 @@

Fixed alerts

Major refactor

Supply chain risk

Package has recently undergone a major refactor. It may be unstable or indicate significant internal changes. Use caution when updating to versions that include significant changes.

Found 1 instance in 1 package

New author

Supply chain risk

A new npm collaborator published a version of the package for the first time. New collaborators are usually benign additions to a project, but do indicate a change to the security surface area of a package.

Found 1 instance in 1 package

Improved metrics

Total package byte prevSize

20413

increased by9.44%

Lines of code

494

increased by13.3%

Number of medium supply chain risk alerts

0

decreased by-100%

Worsened metrics

Dev dependency count

2

increased by100%

No dependency changes