drag-event-service

drag-event-service

Listen both mouse and touch event. With Typescript definition files. Support Typescript.

同时监听鼠标和触摸事件. 支持Typescript.

// mapping
const events = {
  start: ['mousedown', 'touchstart'],
  move: ['mousemove', 'touchmove'],
  end: ['mouseup', 'touchend'],
}

install

npm install drag-event-service --save

usage & api

import DragEventService from 'drag-event-service'
DragEventService.on(el, name, handler, {args, mouseArgs, touchArgs})
DragEventService.off(el, name, handler, {args, mouseArgs, touchArgs})

• args, mouseArgs and touchArgs should be Array
• The args will pass to addEventListener.
• mouseArgs will pass to mouse event.
• touchArgs will pass to touch event.
• handler(event, currentPosition). The second argument of handler is current position({x, y, pageX, pageY, clientX, clientY, screenX, screenY}). x and y is pageX and pageY.

example

// 1
DragEventService.on(document, 'start', (e, mouse) => ..., {touchArgs: [{passive: false}]})
DragEventService.on(document, 'move', (e, mouse) => ..., {touchArgs: [{passive: false}]})
DragEventService.on(document, 'end', (e, mouse) => ..., {touchArgs: [{passive: false}]})
// 2
const handler = (e, mouse) => ...
DragEventService.on(document, 'start', handler)
DragEventService.off(document, 'start', handler)

Track mouse or touch position globally

全局跟踪鼠标或触摸位置

Usage

import {trackMouseOrTouchPosition} from 'drag-event-service'
const {info, start, stop} = trackMouseOrTouchPosition(options)
start() // call start to start tracking.

Types

// options
export interface Options_trackMouseOrTouchPosition{
  onMove: () => void
  onStart: () => void
  onEnd: () => void
}
// info
export interface TrackedInfo{
  position: EventPosition
  event: MouseOrTouchEvent
  eventType: EventType
  isTouch: boolean
  started: boolean
  startEvent?: MouseOrTouchEvent
  endEvent?: MouseOrTouchEvent
}
// 
start: () => void
stop: () => void