Tom Boullay
65 lines
2.1 KiB
TypeScript
65 lines
2.1 KiB
TypeScript
import { MODEL_EXTENSIONS } from './constants'
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import type { FileChange, PushFile } from './types'
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interface DiffResult {
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fileChanges: Map<string, FileChange>
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changedFilesToPush: PushFile[]
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deletedFileNames: string[]
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deletePaths: string[]
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}
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/**
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* Classify each file as new, changed, or unchanged by comparing against
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* the remote file map.
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*
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* Rules:
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* - Models: always re-pushed, but marked as unchanged when the remote file exists.
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* - Textures: compared by size (not compressed, reliable).
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* - Orphan remote files: classified as deletions.
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*/
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export function classifyFileChanges(
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filesToPush: PushFile[],
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remoteFileMap: Map<string, number>,
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folderPath: string,
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): DiffResult {
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const fileChanges = new Map<string, FileChange>()
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const changedFilesToPush: PushFile[] = []
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for (const f of filesToPush) {
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const filename = f.path.split('/').pop() ?? ''
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const ext = filename.slice(filename.lastIndexOf('.')).toLowerCase()
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const isModel = MODEL_EXTENSIONS.has(ext)
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if (isModel) {
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const remoteSize = remoteFileMap.get(filename.toLowerCase())
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fileChanges.set(filename.toLowerCase(), remoteSize === undefined ? 'new' : 'unchanged')
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changedFilesToPush.push(f)
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} else {
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const localSize = Buffer.from(f.contentBase64, 'base64').length
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const remoteSize = remoteFileMap.get(filename.toLowerCase())
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if (remoteSize === undefined) {
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fileChanges.set(filename.toLowerCase(), 'new')
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changedFilesToPush.push(f)
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} else if (remoteSize !== localSize) {
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fileChanges.set(filename.toLowerCase(), 'changed')
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changedFilesToPush.push(f)
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} else {
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fileChanges.set(filename.toLowerCase(), 'unchanged')
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}
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}
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}
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const newFileNames = new Set(filesToPush.map((f) => (f.path.split('/').pop() ?? '').toLowerCase()))
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const deletedFileNames: string[] = []
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const deletePaths: string[] = []
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for (const [name] of remoteFileMap) {
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if (!newFileNames.has(name)) {
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deletedFileNames.push(name)
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deletePaths.push(`${folderPath}/${name}`)
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}
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}
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return { fileChanges, changedFilesToPush, deletedFileNames, deletePaths }
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}
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