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trigger-man

v1.0.3

Published

+ Function Body

Downloads

11

Readme

TRIGGER-MAN (⌐▀͡ ̯ʖ▀)=/̵͇̿̿/'̿'̿̿̿ ̿ ̿̿

Documentation.

1. Create Trigger Function

  • Function Body

    export function createTrigger<T = any>(
      type: string, 
      detail?: T, 
      target_element?: RefObject<any>
    ) {
        if (target_element) {
            target_element.current.dispatchEvent(new CustomEvent(type, {detail}));
        } else {
            if (typeof window !== 'undefined') {
                window.dispatchEvent(new CustomEvent('alert', {detail}));
            }
        }
    }
  • Using

    //             event,   data which will be send with event
    createTrigger('alert', {message: 'Hello world'})

2. useTrigger hook

  • Function Body

    export const useTrigger = <T = any>(
      type: string,
      listener: (event: CustomEvent<T>) => void,
      element?: RefObject<any>,
      options?: boolean | AddEventListenerOptions | undefined,
    ) => {
        useEffect(() => {
            let target = element?.current || window;
            target.addEventListener(type, listener, options)
      
            return () => {
                target.removeEventListener(type, listener, options)
            }
        }, [type, listener, options])
    }
  • Using

    //          event,   function that get createTrigger data
    useTrigger('alert', (event) => {
      console.log(event.detail.message)
    });

3. Examples

  • 3.1 Change Avatar
// ChangeAvatarButton.tsx

import React from 'react';
import {createTrigger} from "trigger-man";
import newImage from './img2.png';

export const ChangeAvatarButton = () => {

  function handleClick() {
    createTrigger("changeAvatar", { img: newImage });
  }

  return <div>
    <button onClick={handleClick}>change avatar</button>
  </div>;
};
// Header.tsx

import React, {useState} from 'react';
import {useTrigger} from "trigger-man";
import oldImage from './img1.png';

export const Header = () => {

  const [img, setImg] = useState(oldImage);

  useTrigger('changeAvatar', (event) => {
    setImg(event.detail.img)
  })

  return <div>
    <img width={'200px'} src={img.src} alt={'image'}/>
  </div>
}

Result

2023-06-19 18-58-47

  • 3.2 Global Values
export const Component1 = () => {

  function handleClick() {
    createTrigger('global', {value: 1})
  }

  return <div>
    <button onClick={handleClick}>Set Value 1</button>
  </div>
}
export const Component2 = () => {

  function handleClick() {
    createTrigger("global", { value: 2 });
  }

  return <div>
    <button onClick={handleClick}>Set Value 2</button>
  </div>;
};
export const Component3 = () => {

  function handleClick() {
    createTrigger("global", { value: 3 });
  }

  return <div>
    <button onClick={handleClick}>Set Value 3</button>
  </div>;
};
export const ValueView1 = () => {

  const [value, setValue] = useState(0);

  useTrigger('global', (event) => {
    setValue(event.detail.value)
  })

  return <div>
    <h1>ValueView1: {value} </h1>
  </div>
}
export const ValueView2 = () => {

  const [value, setValue] = useState(0);

  useTrigger('global', (event) => {
    setValue(event.detail.value)
  })

  return <div>
    <h1>ValueView2: {value} </h1>
  </div>
}
export const ValueView3 = () => {

  const [value, setValue] = useState(0);

  useTrigger("global", (event) => {
    setValue(event.detail.value);
  });

  return <div>
    <h1>ValueView3: {value} </h1>
  </div>;
};
export const App = () => {

  return (
    <div style={{ padding: 100 }}>
      <div style={{ display: "flex", gap: 16, marginBottom: 16 }}>
        <Component1 />
        <Component2 />
        <Component3 />
      </div>


      <ValueView1 />
      <ValueView2 />
      <ValueView3 />
    </div>
  );
};

Result

2023-06-19 19-17-14