event-handlers

Proper event typing ensures type-safe access to event properties and target elements.

Skills
Development
1

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mkdir -p .claude/skills/event-handlers && curl -fsSL https://doutorai.pt/data/lib/skills__event-handlers.md -o .claude/skills/event-handlers/SKILL.md

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Content

# Event Handler TypeScript Patterns

Proper event typing ensures type-safe access to event properties and target elements.

## Mouse Events

```typescript
// Click events
function handleClick(event: React.MouseEvent<HTMLButtonElement>) {
  event.preventDefault();
  event.stopPropagation();

  // Target element typed correctly
  event.currentTarget.disabled = true;
  event.currentTarget.textContent = 'Clicked';

  // Mouse position
  console.log(event.clientX, event.clientY);
  console.log(event.pageX, event.pageY);

  // Mouse buttons
  console.log(event.button); // 0 = left, 1 = middle, 2 = r

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