| 69 | } |
| 70 | |
| 71 | function scheduleSearchPaletteModuleWarmup(): () => void { |
| 72 | let cancelled = false |
| 73 | let delayId: number | null = null |
| 74 | let frameId: number | null = null |
| 75 | let idleId: number | null = null |
| 76 | |
| 77 | const warmup = (): void => { |
| 78 | if (!cancelled) void loadSearchPaletteModule() |
| 79 | } |
| 80 | |
| 81 | delayId = window.setTimeout(() => { |
| 82 | delayId = null |
| 83 | if (typeof window.requestIdleCallback === 'function') { |
| 84 | idleId = window.requestIdleCallback( |
| 85 | () => { |
| 86 | idleId = null |
| 87 | warmup() |
| 88 | }, |
| 89 | { timeout: 300 } |
| 90 | ) |
| 91 | return |
| 92 | } |
| 93 | frameId = window.requestAnimationFrame(() => { |
| 94 | frameId = null |
| 95 | warmup() |
| 96 | }) |
| 97 | }, SEARCH_PALETTE_MODULE_WARMUP_DELAY_MS) |
| 98 | |
| 99 | return () => { |
| 100 | cancelled = true |
| 101 | if (delayId !== null) window.clearTimeout(delayId) |
| 102 | if (frameId !== null) window.cancelAnimationFrame(frameId) |
| 103 | if (idleId !== null && typeof window.cancelIdleCallback === 'function') { |
| 104 | window.cancelIdleCallback(idleId) |
| 105 | } |
| 106 | } |
| 107 | } |
| 108 | |
| 109 | function isUndoShortcut(e: KeyboardEvent): boolean { |
| 110 | return ( |