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Imposter

The most powerful helper class to make human-like actions with Puppeteer

Install / Use

/learn @TheGP/Imposter

README

The Imposter

The most advanced humanizing wrapper over Puppeteer. Ever.

Features

  • Only human like actions: type, click, scroll, read
  • Blocks & automatic replay of previous actions on fail.
  • Magic methods & helpers to make your life easy: isThere, getAttribute, findChildEl, findElNearBy, chooseRandom, findFirstElementOnScreen, random, chance, randInt etc.
  • If need access Puppeter directly using .page & .browser, Ghost Cursor: .cursor

Warning: the package is in active development, can be breaking changes

Consists following packages:

What needs to be improved:

I welcome any help with improving this helper class (except rewriting in TypeScript, it will be rewritten later)

  • Clicking inside input & textarea after the text if it is exists there (.type function, useful when phone number has preffiled country code, accidental click in the middle of the already written text can cause number being typed incorrectly). It can be solved by detecting text inside or its length or specifying which area of the element to click (like right 80% of the element)
  • Selecting from select list with mouse (can open select but need to scroll and select correct element by click, like normal humans do)
  • More human scrolling (need to investigate if different mouses has different scrolling, message me to get debug script to test it)
  • Clicking on the visible element inside of boundingbox (sometimes the element has a lot of white space around it u can click, but it is not visible for user, so it should be used to click)
  • Support of horizontal scroll
  • Look for ::TODO:: blocks inside the code

Installation

git clone git@github.com:TheGP/Imposter.git
cd Imposter
npm i
git clone git@github.com:TheGP/ghost-scroll.git
git clone git@github.com:TheGP/puppeteer-humanize.git
cd puppeteer-humanize
npm i -g pnpm
pnpm install
npm run build
cd ..
cd ghost-scroll
npm i
cd ..
npm run build

Example

import ImposterClass from "./Imposter/dist/Imposter.js"
const i = new ImposterClass();
const webSocketLink = `ws://`;

(async () => {
    await i.connect(webSocketLink);

    i.setBehaviorFingerprint({
        mouse: {
            hesitation: { min: 50, max: 2000 }, // Hesitation before click
            release: { min: 1, max: 600 } // How long to hold a button
        },
        typing: {
            mistakes: { // Chance of mistakes
                chance: 4,
                delay: {
                    min: 50,
                    max: 500
                }
            },
            delays: { // Delays between different set of characters
                all: { chance: 100, min: 50, max: 150 },
                complete: { chance: 100, min: 500, max: 1000 },
                space: { chance: 80, min: 10, max: 100 },
                punctuation: { chance: 70, min: 50, max: 500 },
                termination: { chance: 95, min: 100, max: 1000 },
                cadence: { chance: 100, min: 50, max: 500 },
            },
            noticing_focus : 70, // Noticing that input is already focused and no need to click it
        }
    });

    await i.goto(`https://reviewer.eugenebos.com/automation-test`);

    await i.isThere(`button`, `Submit`, 0, async () => {
        await i.type(`#inputIframe2`, `I'm a robot⌫⌫⌫⌫⌫human;)`);
    }, () => {
        console.log(`Fail`);
    });

    if (i.chance(1)) {
        console.log(`Your are lucky to see this message with 1% chance`);
    }
})();

ImposterClass Documentation

The ImposterClass encapsulates functionalities for simulating human-like interactions with a web page using Puppeteer.

Constructor

ImposterClass()

Creates a new instance of the ImposterClass.

Properties

  • puppeteer: Instance of Puppeteer.
  • browser: Browser instance of Puppeteer
  • cursorPosition: Object representing the current cursor position { x, y }.
  • page: Current Puppeteer page being interacted with.
  • cursor: Ghost cursor instance for mouse interactions.
  • scroller: Scroller instance for simulating human-like scrolling behavior.
  • pageSize: Object representing the dimensions of the page { width, height }.
  • behavior: Object defining behavior configurations for mouse movements and typing.

Methods

▶ connect(webSocketLink: object | string): Promise<void>

Connects to the browser using the provided WebSocket link. Instead of string you can use object with parameters which will be passed inside puppeteer.connect.

▶ launch(options: Object): Promise<void>

Launches a new browser instance with the provided options, which will be passed to puppeteer.launch.

▶ attachToActiveTab(debug: boolean = false): Promise<void>

Finds the active tab and prepares it for work. After that it will be available under .page prop.

▶ setBehaviorFingerprint(behavior: Object): void

Sets behavior fingerprint for simulating human-like behaviors. Useful for simulating different types of users.

▶ goto(url: string, referer: string | null = null): Promise<void>

Navigates to the specified URL. If .page prop is empty opens new tab. If page is already opened, does nothing.

▶ newPage(): Promise<void>

Opens a new page and prepares it for work. The page will be available in .page property

▶ type(selector: string | object, string: string, keepExistingText: boolean = false): Promise<void>

Simulates typing into a specified element. Automatically fixes mistakes in text. Use symbol ⌫ to emulate backspace. selector can be an object of format:

{
    el: ElementHandle
    target: instance of page | frame
    type: string['page' | 'frame']
}

▶ click(selectorOrObj: string|Object, text: string|null = null, timeout: number = 10): Promise<ElementHandle>

Simulates clicking on a specified element.

▶ select(selector: string, value: string|number): Promise<void>

Selects an option from a dropdown element.

▶ read(howLong: number = 10): Promise<void>

Reads content by scrolling for a specified duration.

▶ close(ms?: number): Promise<void>

Closes the current page.

▶ scrollTo(selector: string|Object, target: Object = this.page): Promise<void>

Scrolls to a specified element.

▶ scroll(scrolls: number = 1): Promise<void>

Scrolls down the page by a specified number of scrolls.

▶ getAttribute(selector: string|Object, attribute_name: string): Promise<string|boolean>

Gets the value of the specified attribute of an element. Supports getting value, even from checkboxes.

▶ isThere(selector: string, text: string | null = null, timeout: number = 1, cbTrue: Function | null = null, cbElse: Function | null = null): Promise<boolean>

  • selector (string): The CSS selector of the element to check.
  • text (string | null, optional): Optional text content to match within the element.
  • timeout (number, optional): Maximum time in seconds to wait for the element. Default is 1.
  • cbTrue (Function | null, optional): Callback function to execute if the element is found.
  • cbElse (Function | null, optional): Callback function to execute if the element is not found.

Checks if the specified element is present on the page. If cbTrue / cbElse will execite these function depending on success or fail. The difference from using isThere inside if statement is that on fail below in the code all this block will be replayed starting with isThere and following code in callbacks. So it is much better to use callbacks.

▶ block(selector: string | null = null, text: string | null = null, timeout: number | null = 0.1, cb: Function | null = null): Promise<void>

If you don't need check element with isThere but want to use blocks, it does the same but without check.

▶ Sblock(selector: string, text: string | null = null, timeout: number = 0.1): Promise<void>

Dummy method to skip execution of the block, just add S.

▶ findChildEl(elObjOrSelector: string | object, selectorChild: string, textChild: string | null = null): Promise<object>

Finds a child element within a given parent element or selector.

▶ findElNearBy(selectorChild: string, childText: string, selectorParent: string, selectorChild2: string, childText2: string): Promise<object>

Finds an element, then finds its parent by specified selector, then finds another child again. Useful to find elements without selectors: first you search for a title of a block, then you select the block itself, and then select the needed child.

Here is an example:

<div>
    <label>Name:</label>
    <input />
</div>

Lets find this input:

await i.findElNearBy(`label`, `Name`, `div`, `input`);

▶ chooseRandom(selector: string = '', parent: ElementHandle | null = null, except: Array<Element> = []): Promise<{ el: ElementHandle | null, target: Page, type: string }>

  • selector (string, optional): The CSS selector used to query elements.
  • parent (ElementHandle | null, optional): Optional parent element within which to search.
  • except (Array<Element>, optional): Array of elements to exclude from selection.

Returns a random element matching the specified selector, optionally within a parent element, excluding specified elements. Basically, you can click random elements, collect it and pass it as except variable so next random click won't be on the same element.

▶ findFirstElementOnScreen(selector: string): Promise<object>

Finds the first element that is currently on the screen and most visible. Usable if you want to get a currently viewed post in user feed.

▶ chance(percentage): boolean

Returns true with a given percentage chance. Useful to make some actions with some specified

View on GitHub
GitHub Stars127
CategoryDevelopment
Updated10d ago
Forks11

Languages

TypeScript

Security Score

85/100

Audited on Mar 30, 2026

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