Initial release of Web Tools 0.0.5

src/workers/crc.worker.ts

@@ -0,0 +1,44 @@
+import { calculateCrcReport, type CrcWorkerRequest, type CrcWorkerResponse } from '@/lib/crcWorker'
+import { getFirmwareFormat, MAX_FIRMWARE_FILE_SIZE, parseFirmwareContent } from '@/lib/firmware'
+import type { DataBlock } from '@/lib/intelHex'
+
+const workerScope = globalThis as unknown as {
+  onmessage: ((event: MessageEvent<CrcWorkerRequest>) => void) | null
+  postMessage(message: CrcWorkerResponse): void
+}
+
+let firmwareBlocks: DataBlock[] | undefined
+
+workerScope.onmessage = async (event) => {
+  const request = event.data
+  try {
+    if (request.type === 'parse') {
+      if (request.file.size === 0) throw new Error('文件为空')
+      if (request.file.size > MAX_FIRMWARE_FILE_SIZE) throw new Error('文件不能超过 64 MiB')
+      const format = getFirmwareFormat(request.file.name)
+      const content = format === 'Intel HEX'
+        ? await request.file.text()
+        : new Uint8Array(await request.file.arrayBuffer())
+      const parsed = parseFirmwareContent(request.file.name, content)
+      firmwareBlocks = parsed.blocks
+      workerScope.postMessage({
+        type: 'parsed',
+        id: request.id,
+        format: parsed.format,
+        totalBytes: parsed.totalBytes,
+        blockCount: parsed.blocks.length,
+        warnings: parsed.warnings,
+      })
+      return
+    }
+    if (!firmwareBlocks) throw new Error('请先选择 BIN 或 Intel HEX 文件')
+    workerScope.postMessage({ type: 'calculated', id: request.id, ...calculateCrcReport(firmwareBlocks, request.parameters) })
+  } catch (reason) {
+    workerScope.postMessage({
+      type: 'error',
+      id: request.id,
+      operation: request.type,
+      error: reason instanceof Error ? reason.message : 'CRC 计算失败',
+    })
+  }
+}