StealthHook

A lightweight JavaScript hook library for intercepting and modifying function behavior in the browser. Designed for stealth modifications with automatic iframe detection and recursive hooking.

Features

- 🎯 Stealth Hooking - Modify functions while passing toString() checks
- 🔄 Auto iframe Detection - Automatically detect and hook functions in iframes
- 🛡️ Type Safe - Full TypeScript support

Installation

$3

``bash
npm install stealth-hook
`

$3

`bash
pnpm add stealth-hook
`

$3

`javascript
// @require https://unpkg.com/@wulu007/stealth-hook@latest/dist/index.global.js
// @grant unsafeWindow
// @run-at document-start
`

Usage

$3

`javascript
import { hookScope } from 'stealth-hook'

hookScope(({ hookMethod }, win) => {
// Note: use the win parameter
hookMethod(win.console, 'log', (target, args, thisArg) => {
console.log('[Hooked]', ...args)
return target(...args)
})
}, rootWindow)
`

$3

`javascript
// ==UserScript==
// @name StealthHook Example
// @namespace https://example.com/
// @version 0.1.0
// @description Hook Example
// @author You
// @match :///*
// @require https://unpkg.com/@wulu007/stealth-hook@latest/dist/index.global.js
// @grant unsafeWindow
// @run-at document-start
// ==/UserScript==

(function () {
StealthHook.hookScope(({ hookMethod }, win) => {
// Note: use the win parameter
hookMethod(win.console, 'log', (target, args, thisArg) => {
console.log('[Custom Log]', ...args)
return target(...args)
})

hookMethod(win.console, 'table', (target, args, thisArg) => {
console.log('[Custom Table]', args)
return target(...args)
})
}, unsafeWindow)
})()
`

#### Parameters

| Parameter | Type | Description |
| --------- | ------------ | ---------------------------------------------- |
| target | Function | Original function with this auto-bound |
| args | Array | Arguments array of the original function |
| thisArg | this type | Current this` context (caller) |

License

MIT © wulu007