42 lines
1.2 KiB
TypeScript
42 lines
1.2 KiB
TypeScript
import type { AssetManager } from '@/lib/assets/assetManager'
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export type AssetMetaItem = {
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originalName: string
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mimeType: string
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size: number
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hash8: string
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ext: string
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zipPath: string
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integrity: string
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group: 'images' | 'fonts' | 'other'
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referencedAt: string[]
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}
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export function buildAssetsMetadata(am: AssetManager): Uint8Array {
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const list = am.list()
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const referenced = new Set(am.referencedList())
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const items: AssetMetaItem[] = list.map((ref) => {
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// Browser-safe synchronous integrity: base64 of bytes as placeholder
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const b64 = Buffer.from(ref.bytes).toString('base64')
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const group: 'images' | 'fonts' | 'other' = ref.mimeType.startsWith('image/')
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? 'images'
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: ref.mimeType.startsWith('font/')
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? 'fonts'
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: 'other'
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const referencedAt = referenced.has(ref.originalName) ? [`local:${ref.originalName}`] : []
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return {
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originalName: ref.originalName,
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mimeType: ref.mimeType,
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size: ref.bytes.byteLength,
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hash8: ref.hash8,
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ext: ref.ext,
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zipPath: ref.path,
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integrity: `sha256-${b64}`,
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group,
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referencedAt,
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}
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})
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const json = JSON.stringify({ assets: items }, null, 2)
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return new TextEncoder().encode(json)
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}
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