feat: extract skip segment detection and auto-skip

static/player/skip/index.ts

@@ -0,0 +1,50 @@
+import { state } from '../state'
+import { displayTimeFromAbsolute, absoluteTimeFromDisplay } from '../timeline'
+import { showControls } from '../controls'
+import { resolveActiveSegments, renderSegments } from './segments'
+
+const skipLabel = (type: string): string => type === 'ed' ? 'Skip outro' : 'Skip intro'
+
+export const updateSkipButton = (currentTime: number): void => {
+  const btn = state.container.querySelector('[data-skip]') as HTMLButtonElement | null
+  const displayTime = displayTimeFromAbsolute(currentTime)
+
+  const segment = state.activeSegments.find(s => {
+    const delay = Math.min(1, Math.max(0.25, (s.end - s.start) * 0.02))
+    return displayTime >= s.start + delay && displayTime < s.end
+  })
+
+  if (!segment) {
+    state.activeSkipSegment = null
+    btn?.classList.add('hidden')
+    return
+  }
+
+  const autoSkip = localStorage.getItem('mal:autoskip-enabled') === 'true'
+  if (autoSkip && displayTime >= segment.start && displayTime < segment.end) {
+    state.video.currentTime = absoluteTimeFromDisplay(segment.end + 0.01)
+    return
+  }
+
+  state.activeSkipSegment = segment
+  if (btn) {
+    btn.textContent = skipLabel(segment.type)
+    btn.title = skipLabel(segment.type)
+    btn.classList.remove('hidden')
+  }
+}
+
+export const updateAutoSkipButton = (): void => {
+  const btn = document.querySelector('[data-autoskip]') as HTMLInputElement | null
+  btn && (btn.checked = localStorage.getItem('mal:autoskip-enabled') === 'true')
+}
+
+export const setupSkip = (): void => {
+  document.addEventListener('change', (e) => {
+    const target = e.target as HTMLElement
+    if (target.hasAttribute('data-autoskip')) {
+      localStorage.setItem('mal:autoskip-enabled', (target as HTMLInputElement).checked ? 'true' : 'false')
+      showControls()
+    }
+  })
+}