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December 8, 2020 13:13
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Log all DOM events
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| logAllEvents( | |
| el, | |
| options = { | |
| excludeEvents: ['mousemove', 'mouseover', 'mouseout'], | |
| onlyEvents: [], | |
| capture: false, | |
| id: '' | |
| } | |
| ) { | |
| const watchedEventTypes = [ | |
| 'mousedown', | |
| 'mouseup', | |
| 'click', | |
| 'dblclick', | |
| 'mousemove', | |
| 'mouseover', | |
| 'mouseout', | |
| 'mousewheel', | |
| 'keydown', | |
| 'keyup', | |
| 'keypress', | |
| 'textInput', | |
| 'touchstart', | |
| 'touchmove', | |
| 'touchend', | |
| 'touchcancel', | |
| 'resize', | |
| 'scroll', | |
| 'zoom', | |
| 'focus', | |
| 'blur', | |
| 'select', | |
| 'change', | |
| 'submit', | |
| 'reset', | |
| 'load', | |
| 'unload', | |
| 'abort', | |
| 'error', | |
| 'select', | |
| 'change', | |
| 'submit', | |
| 'reset', | |
| 'focus', | |
| 'blur', | |
| 'resize', | |
| 'scroll', | |
| 'search', | |
| 'devicemotion', | |
| 'deviceorientation' | |
| ] | |
| .filter((eventType) => { | |
| if (!options?.onlyEvents) { | |
| return true; | |
| } | |
| return options.onlyEvents.includes(eventType); | |
| }) | |
| .filter( | |
| (eventType) => !(options?.excludeEvents || []).includes(eventType) | |
| ); | |
| const bubbleListeners = watchedEventTypes.map((eventType) => ({ | |
| listener: (event) => | |
| console.log( | |
| `[${options?.id || ''}] capture = false type = ${eventType}`, | |
| event | |
| ), | |
| eventType | |
| })); | |
| const captureListeners = watchedEventTypes.map((eventType) => ({ | |
| listener: (event) => | |
| console.log( | |
| `[${options?.id || ''}] capture = true type = ${eventType}`, | |
| event | |
| ), | |
| eventType | |
| })); | |
| if (options?.capture === true) { | |
| captureListeners.forEach(({ listener, eventType }) => | |
| el.addEventListener(eventType, listener, true) | |
| ); | |
| } | |
| bubbleListeners.forEach(({ listener, eventType }) => | |
| el.addEventListener(eventType, listener, false) | |
| ); | |
| return () => { | |
| if (options?.capture === true) { | |
| captureListeners.forEach(({ listener, eventType }) => | |
| el.removeEventListener(eventType, listener, true) | |
| ); | |
| } | |
| bubbleListeners.forEach(({ listener, eventType }) => | |
| el.removeEventListener(eventType, listener) | |
| ); | |
| }; | |
| } | |
| u = logAllEvents(document.body, { | |
| capture: false, | |
| excludeEvents: ['mousemove', 'mouseout', 'mouseover'] | |
| }); | |
| u(); |
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