feat: pass local file hash around instead of recomputing

package.json

@@ -1,6 +1,6 @@
 {
 	"name": "@filen/sync",
-	"version": "0.1.72",
+	"version": "0.1.73",
 	"description": "Filen Sync",
 	"main": "dist/index.js",
 	"types": "dist/index.d.ts",

src/lib/deltas.ts

@@ -7,6 +7,7 @@ export type Delta = { path: string } & (
 	| {
 			type: "uploadFile"
 			size: number
+			md5Hash?: string
 	  }
 	| {
 			type: "createRemoteDirectory"
@@ -325,19 +326,23 @@ export class Deltas {
 					currentLocalItem &&
 					currentLocalItem.type === "file" &&
 					normalizeLastModifiedMsForComparison(currentLocalItem.lastModified) >
-						normalizeLastModifiedMsForComparison(currentRemoteItem.lastModified) &&
-					(await this.sync.localFileSystem.createFileHash({
+						normalizeLastModifiedMsForComparison(currentRemoteItem.lastModified)
+				) {
+					const md5Hash = await this.sync.localFileSystem.createFileHash({
 						relativePath: path,
 						algorithm: "md5"
-					})) !== this.sync.localFileHashes[currentLocalItem.path]
-				) {
-					deltas.push({
-						type: "uploadFile",
-						path,
-						size: currentLocalItem.size
 					})
 
-					pathsAdded[path] = true
+					if (md5Hash !== this.sync.localFileHashes[currentLocalItem.path]) {
+						deltas.push({
+							type: "uploadFile",
+							path,
+							size: currentLocalItem.size,
+							md5Hash
+						})
+
+						pathsAdded[path] = true
+					}
 				}
 			}
 		}

src/lib/filesystems/local.ts

@@ -747,15 +747,15 @@ export class LocalFileSystem {
 
 	/**
 	 * Upload a local file.
-	 * @date 3/2/2024 - 9:43:58 PM
 	 *
 	 * @public
 	 * @async
-	 * @param {{ relativePath: string }} param0
+	 * @param {{ relativePath: string, passedMD5Hash?: string }} param0
 	 * @param {string} param0.relativePath
+	 * @param {string} param0.passedMD5Hash
 	 * @returns {Promise<CloudItem>}
 	 */
-	public async upload({ relativePath }: { relativePath: string }): Promise<CloudItem> {
+	public async upload({ relativePath, passedMD5Hash }: { relativePath: string; passedMD5Hash?: string }): Promise<CloudItem> {
 		const localPath = pathModule.join(this.sync.syncPair.localPath, relativePath)
 		const signalKey = `upload:${relativePath}`
 		const stats = await fs.stat(localPath)
@@ -791,12 +791,14 @@ export class LocalFileSystem {
 				throw new Error(`Could not upload ${relativePath}: Parent path not found.`)
 			}
 
-			const hash = await this.createFileHash({
-				relativePath,
-				algorithm: "md5"
-			})
+			const md5Hash = passedMD5Hash
+				? passedMD5Hash
+				: await this.createFileHash({
+						relativePath,
+						algorithm: "md5"
+				  })
 
-			this.sync.localFileHashes[relativePath] = hash
+			this.sync.localFileHashes[relativePath] = md5Hash
 
 			const item = await this.sync.sdk.cloud().uploadLocalFile({
 				source: localPath,

src/lib/tasks.ts

@@ -484,7 +484,10 @@ export class Tasks {
 			case "uploadFile": {
 				try {
 					const [, stats] = await Promise.all([
-						this.sync.localFileSystem.upload({ relativePath: delta.path }),
+						this.sync.localFileSystem.upload({
+							relativePath: delta.path,
+							passedMD5Hash: delta.md5Hash
+						}),
 						fs.stat(pathModule.join(this.sync.syncPair.localPath, delta.path))
 					])
 					const item = this.sync.remoteFileSystem.getDirectoryTreeCache.tree[delta.path]