Function handleLoad

projects/electron/src/modules/code/yjsStorage.ts:218–262

* Load a YJS document from disk. * Returns null if the document doesn't exist.

(id: string)

 * Returns null if the document doesn't exist.
 */
async function handleLoad(id: string): Promise<Uint8Array | null> {
    const filePath = getDocPath(id)
    const legacyNestedPath = getLegacyNestedDocPath(id)

    try {
        const data = new Uint8Array(await fs.readFile(filePath))
        if (isExpectedTaskDoc(id, data)) {
            logger.debug(`[YjsStorage] Loaded document: ${id} (${data.length} bytes)`)
            return data
        }

        try {
            const legacyData = new Uint8Array(await fs.readFile(legacyNestedPath))
            if (isExpectedTaskDoc(id, legacyData)) {
                await writeMigratedDoc(filePath, legacyData)
                logger.warn(`[YjsStorage] Recovered task document from legacy nested path: ${id}`)
                return legacyData
            }
        } catch (legacyError) {
            if ((legacyError as NodeJS.ErrnoException).code !== "ENOENT") {
                logger.warn(`[YjsStorage] Failed to inspect legacy nested document for ${id}:`, legacyError)
            }
        }

        logger.warn(`[YjsStorage] Loaded task document with mismatched metadata: ${id}`)
        return data
    } catch (error) {
        if ((error as NodeJS.ErrnoException).code === "ENOENT") {
            try {
                const legacyData = new Uint8Array(await fs.readFile(legacyNestedPath))
                if (isExpectedTaskDoc(id, legacyData)) {
                    await writeMigratedDoc(filePath, legacyData)
                    logger.warn(`[YjsStorage] Migrated task document from legacy nested path: ${id}`)
                    return legacyData
                }
            } catch (legacyError) {
                if ((legacyError as NodeJS.ErrnoException).code !== "ENOENT") {
                    logger.warn(`[YjsStorage] Failed to load legacy nested document for ${id}:`, legacyError)
                }
            }
            return null
        }
        throw error
    }
}

export async function loadYjsDocument(id: string): Promise<Uint8Array | null> {
    return handleLoad(id)