5 Commits

Author SHA1 Message Date
8994fb7b45 Version 1.0.5 2026-03-12 21:06:18 +01:00
a5acb5ed03 Version 1.0.4 2026-03-12 21:02:16 +01:00
2a5e4b1052 Export all the things 2026-03-12 19:52:27 +01:00
c18a544a2e Version 1.0.3 2026-03-12 18:21:34 +01:00
25c07c947a Expose equalBytes and constantTimeEqualBytes 2026-03-12 18:21:21 +01:00
4 changed files with 118 additions and 68 deletions

View File

@@ -11,16 +11,22 @@ repos:
hooks:
- id: shellcheck
- repo: https://github.com/pre-commit/mirrors-eslint
rev: v10.0.3
- repo: local
hooks:
- id: prettier
name: prettier
entry: npx prettier --write
language: system
files: "\\.(js|jsx|ts|tsx)$"
- repo: local
hooks:
- id: eslint
name: eslint
entry: npx eslint --fix
language: system
files: "\\.(js|jsx|ts|tsx)$"
exclude: node_modules/
# Use stylelint (local) instead of the deprecated scss-lint Ruby gem which
# cannot parse modern Sass `@use` and module syntax. This invokes the
# project's installed `stylelint` via `npx` so the devDependency is used.
- repo: local
hooks:
- id: stylelint

8
.prettierrc.ts Normal file
View File

@@ -0,0 +1,8 @@
import { type Config } from "prettier";
const config: Config = {
trailingComma: "none",
printWidth: 120
};
export default config;

View File

@@ -1,7 +1,7 @@
{
"name": "@hamradio/packet",
"type": "module",
"version": "1.0.2",
"version": "1.0.5",
"description": "Low level packet parsing library (for radio protocols)",
"keywords": [
"HAM radio",
@@ -13,12 +13,12 @@
],
"repository": {
"type": "git",
"url": "https://git.maze.io/ham/packet.js"
"url": "https://git.maze.io/ham/packet.ts"
},
"license": "MIT",
"author": "Wijnand Modderman-Lenstra",
"main": "dist/index.js",
"module": "dist/index.mjs",
"module": "dist/index.js",
"types": "dist/index.d.ts",
"files": [
"dist"
@@ -26,7 +26,7 @@
"exports": {
".": {
"types": "./dist/index.d.ts",
"import": "./dist/index.mjs",
"import": "./dist/index.js",
"require": "./dist/index.js"
}
},
@@ -40,12 +40,12 @@
"lint": "eslint .",
"prepare": "npm run build"
},
"dependencies": {},
"devDependencies": {
"@eslint/js": "^10.0.1",
"@vitest/coverage-v8": "^4.0.18",
"eslint": "^10.0.3",
"globals": "^17.4.0",
"prettier": "3.8.1",
"tsup": "^8.5.1",
"typescript": "^5.9.3",
"typescript-eslint": "^8.57.0",

View File

@@ -15,7 +15,7 @@ export class Reader {
const srcBuffer = buffer.buffer.slice(buffer.byteOffset, buffer.byteOffset + buffer.byteLength);
this.buffer = srcBuffer instanceof ArrayBuffer ? srcBuffer : new ArrayBuffer(srcBuffer.byteLength);
} else {
throw new TypeError('Invalid buffer type. Expected ArrayBuffer, Uint8Array, or ArrayBufferView.');
throw new TypeError("Invalid buffer type. Expected ArrayBuffer, Uint8Array, or ArrayBufferView.");
}
this.view = new DataView(this.buffer);
this.offset = 0;
@@ -179,7 +179,7 @@ export class Reader {
while (true) {
this.checkBounds(1);
const byte = this.view.getUint8(this.offset++);
result |= (byte & 0x7F) << shift;
result |= (byte & 0x7f) << shift;
if ((byte & 0x80) === 0) {
break; // Last byte of the varint
}
@@ -205,7 +205,7 @@ export class Reader {
while (true) {
this.checkBounds(1);
const byte = this.view.getUint8(this.offset++);
result |= (byte & 0x7F) << shift;
result |= (byte & 0x7f) << shift;
if ((byte & 0x80) === 0) {
break; // Last byte of the varint
}
@@ -342,32 +342,36 @@ export class Reader {
return new Reader(bytes, littleEndian);
}
public static fromString(str: string, encoding: 'utf8' | 'ascii' | 'hex' | 'base64' | 'rawbase64' | 'urlbase64' | 'rawurlbase64' = 'utf8', littleEndian: boolean = true): Reader {
public static fromString(
str: string,
encoding: "utf8" | "ascii" | "hex" | "base64" | "rawbase64" | "urlbase64" | "rawurlbase64" = "utf8",
littleEndian: boolean = true
): Reader {
let bytes: Uint8Array;
switch (encoding) {
case 'utf8':
case "utf8":
bytes = new TextEncoder().encode(str);
break;
case 'ascii':
bytes = new Uint8Array(str.split('').map(c => c.charCodeAt(0)));
case "ascii":
bytes = new Uint8Array(str.split("").map((c) => c.charCodeAt(0)));
break;
case 'hex':
case "hex":
bytes = new Uint8Array(str.length / 2);
for (let i = 0; i < bytes.length; i++) {
bytes[i] = parseInt(str.substr(i * 2, 2), 16);
}
break;
case 'base64':
bytes = Uint8Array.from(atob(str), c => c.charCodeAt(0));
case "base64":
bytes = Uint8Array.from(atob(str), (c) => c.charCodeAt(0));
break;
case 'rawbase64':
bytes = Uint8Array.from(atob(str.replace(/-/g, '+').replace(/_/g, '/')), c => c.charCodeAt(0));
case "rawbase64":
bytes = Uint8Array.from(atob(str.replace(/-/g, "+").replace(/_/g, "/")), (c) => c.charCodeAt(0));
break;
case 'urlbase64':
bytes = Uint8Array.from(atob(str.replace(/-/g, '+').replace(/_/g, '/')), c => c.charCodeAt(0));
case "urlbase64":
bytes = Uint8Array.from(atob(str.replace(/-/g, "+").replace(/_/g, "/")), (c) => c.charCodeAt(0));
break;
case 'rawurlbase64':
bytes = Uint8Array.from(atob(str.replace(/-/g, '+').replace(/_/g, '/')), c => c.charCodeAt(0));
case "rawurlbase64":
bytes = Uint8Array.from(atob(str.replace(/-/g, "+").replace(/_/g, "/")), (c) => c.charCodeAt(0));
break;
}
return new Reader(bytes.slice().buffer, littleEndian);
@@ -387,7 +391,9 @@ export class Reader {
private checkBounds(length: number) {
if (this.offset + length > this.view.byteLength) {
throw new RangeError(`Attempt to read beyond end of buffer: offset=${this.offset}, length=${length}, bufferLength=${this.view.byteLength}`);
throw new RangeError(
`Attempt to read beyond end of buffer: offset=${this.offset}, length=${length}, bufferLength=${this.view.byteLength}`
);
}
}
}
@@ -472,7 +478,7 @@ export class Writer {
*/
public int64(value: number | bigint): void {
this.checkBounds(8);
if (typeof value === 'number') {
if (typeof value === "number") {
value = BigInt(value);
}
this.view.setBigInt64(this.offset, value, this.littleEndian);
@@ -523,7 +529,7 @@ export class Writer {
*/
public uint64(value: number | bigint): void {
this.checkBounds(8);
if (typeof value === 'number') {
if (typeof value === "number") {
value = BigInt(value);
}
this.view.setBigUint64(this.offset, value, this.littleEndian);
@@ -570,7 +576,7 @@ export class Writer {
// Useful for pre-sizing buffers.
let remaining = value >>> 0; // Ensure unsigned
while (remaining >= 0x80) {
this.view.setUint8(this.offset++, (remaining & 0x7F) | 0x80);
this.view.setUint8(this.offset++, (remaining & 0x7f) | 0x80);
remaining >>>= 7;
}
this.view.setUint8(this.offset++, remaining);
@@ -591,7 +597,7 @@ export class Writer {
let remaining = value >>> 0; // Ensure unsigned
const isNegative = value < 0;
while (remaining >= 0x80 || (isNegative && remaining < 0x80)) {
this.view.setUint8(this.offset++, (remaining & 0x7F) | 0x80);
this.view.setUint8(this.offset++, (remaining & 0x7f) | 0x80);
remaining >>>= 7;
}
this.view.setUint8(this.offset++, remaining);
@@ -701,46 +707,60 @@ export class Writer {
* @param encoding The encoding to use for the string conversion.
* @returns The encoded string.
*/
public toString(encoding: 'utf-8' | 'hex' | 'base64' | 'rawbase64' | 'urlbase64' | 'rawurlbase64' = 'utf-8'): string {
public toString(encoding: "utf-8" | "hex" | "base64" | "rawbase64" | "urlbase64" | "rawurlbase64" = "utf-8"): string {
const bytes = this.toBytes();
switch (encoding) {
case 'utf-8':
case "utf-8":
return new TextDecoder().decode(bytes);
case 'hex':
return Array.from(bytes).map(b => b.toString(16).padStart(2, '0')).join('');
case 'base64':
case "hex":
return Array.from(bytes)
.map((b) => b.toString(16).padStart(2, "0"))
.join("");
case "base64":
return btoa(String.fromCharCode(...bytes));
case 'rawbase64':
return btoa(String.fromCharCode(...bytes)).replace(/\+/g, '-').replace(/\//g, '_').replace(/=+$/, '');
case 'urlbase64':
return btoa(String.fromCharCode(...bytes)).replace(/\+/g, '-').replace(/\//g, '_');
case 'rawurlbase64':
return btoa(String.fromCharCode(...bytes)).replace(/\+/g, '-').replace(/\//g, '_').replace(/=+$/, '');
case "rawbase64":
return btoa(String.fromCharCode(...bytes))
.replace(/\+/g, "-")
.replace(/\//g, "_")
.replace(/=+$/, "");
case "urlbase64":
return btoa(String.fromCharCode(...bytes))
.replace(/\+/g, "-")
.replace(/\//g, "_");
case "rawurlbase64":
return btoa(String.fromCharCode(...bytes))
.replace(/\+/g, "-")
.replace(/\//g, "_")
.replace(/=+$/, "");
default:
throw new Error(`Unsupported encoding: ${encoding}`);
}
}
public static fromString(value: string, encoding: 'utf-8' | 'hex' | 'base64' | 'rawbase64' | 'urlbase64' | 'rawurlbase64' = 'utf-8', littleEndian: boolean = true): Writer {
public static fromString(
value: string,
encoding: "utf-8" | "hex" | "base64" | "rawbase64" | "urlbase64" | "rawurlbase64" = "utf-8",
littleEndian: boolean = true
): Writer {
let bytes: Uint8Array;
switch (encoding) {
case 'utf-8':
case "utf-8":
bytes = new TextEncoder().encode(value);
break;
case 'hex':
bytes = new Uint8Array(value.match(/.{1,2}/g)!.map(byte => parseInt(byte, 16)));
case "hex":
bytes = new Uint8Array(value.match(/.{1,2}/g)!.map((byte) => parseInt(byte, 16)));
break;
case 'base64':
bytes = Uint8Array.from(atob(value), c => c.charCodeAt(0));
case "base64":
bytes = Uint8Array.from(atob(value), (c) => c.charCodeAt(0));
break;
case 'rawbase64':
bytes = Uint8Array.from(atob(value.replace(/-/g, '+').replace(/_/g, '/')), c => c.charCodeAt(0));
case "rawbase64":
bytes = Uint8Array.from(atob(value.replace(/-/g, "+").replace(/_/g, "/")), (c) => c.charCodeAt(0));
break;
case 'urlbase64':
bytes = Uint8Array.from(atob(value.replace(/-/g, '+').replace(/_/g, '/')), c => c.charCodeAt(0));
case "urlbase64":
bytes = Uint8Array.from(atob(value.replace(/-/g, "+").replace(/_/g, "/")), (c) => c.charCodeAt(0));
break;
case 'rawurlbase64':
bytes = Uint8Array.from(atob(value.replace(/-/g, '+').replace(/_/g, '/')), c => c.charCodeAt(0));
case "rawurlbase64":
bytes = Uint8Array.from(atob(value.replace(/-/g, "+").replace(/_/g, "/")), (c) => c.charCodeAt(0));
break;
default:
throw new Error(`Unsupported encoding: ${encoding}`);
@@ -764,32 +784,48 @@ export class Writer {
private checkBounds(length: number) {
if (this.offset + length > this.view.byteLength) {
throw new RangeError(`Attempt to write beyond end of buffer: offset=${this.offset}, length=${length}, bufferLength=${this.view.byteLength}`);
throw new RangeError(
`Attempt to write beyond end of buffer: offset=${this.offset}, length=${length}, bufferLength=${this.view.byteLength}`
);
}
}
}
export { FieldType } from './types';
// Exporting types and utilities for external use:
export * from "./types";
export {
FieldType,
type Packet,
type Protocol,
type Dissected,
type Segment,
type Field,
type BitField
} from "./types";
export {
isBytes,
assertBytes,
bytesToHex,
hexToBytes,
bytesToBase64,
base64ToBytes,
U8,
U16,
U32,
I8,
I16,
I32,
U8,
U16,
U32,
F32,
F64,
isBytes,
assertBytes,
equalBytes,
constantTimeEqualBytes,
base64ToBytes,
bytesToBase64,
hexToBytes,
bytesToHex,
decodeBytes,
encodeBytes,
type TypedArray,
type Encoding,
type HexEncoding,
type Base64Encoding,
type Base64RawEncoding,
type Base64URLEncoding,
type Base64RawURLEncoding,
} from './utils';
type Encoding
} from "./utils";