{"version":3,"file":"node.mjs","names":[],"sources":["../node.mts"],"sourcesContent":["import {\n baseLoadFromInput,\n createMinimalZip,\n createZip,\n type Attachment,\n type AttachmentInput,\n type MinimalBackupData,\n type PHBaseState,\n type PHDocument,\n type Reducer,\n type ReplayDocumentOptions,\n} from \"@powerhousedao/shared/document-model\";\nimport mime from \"mime/lite\";\nimport type { BinaryLike } from \"node:crypto\";\nimport { createHash } from \"node:crypto\";\nimport fs from \"node:fs\";\nimport https from \"node:https\";\nimport { join } from \"node:path\";\n\nfunction getFileAttributes(\n file: string,\n): Omit {\n const extension = file.replace(/^.*\\./, \"\") || undefined;\n const fileName = file.replace(/^.*[/\\\\]/, \"\") || undefined;\n return { extension, fileName };\n}\n\n/**\n * Reads an attachment from a file and returns its base64-encoded data and MIME type.\n * @param path - The path of the attachment file to read.\n * @returns A Promise that resolves to an object containing the base64-encoded data and MIME type of the attachment.\n */\nexport async function getLocalFile(path: string): Promise {\n const buffer = await getFileNode(path);\n const mimeType = mime.getType(path) || \"application/octet-stream\";\n const attributes = getFileAttributes(path);\n const data = buffer.toString(\"base64\");\n return { data, hash: hashNode(data), mimeType, ...attributes };\n}\n\n/**\n * Fetches an attachment from a URL and returns its base64-encoded data and MIME type.\n * @param url - The URL of the attachment to fetch.\n * @returns A Promise that resolves to an object containing the base64-encoded data and MIME type of the attachment.\n */\nexport async function getRemoteFile(url: string): Promise {\n const { buffer, mimeType = \"application/octet-stream\" } =\n await fetchFileNode(url);\n const attributes = getFileAttributes(url);\n const data = buffer.toString(\"base64\");\n return {\n data,\n hash: hashNode(data),\n mimeType,\n ...attributes,\n };\n}\n\nexport function writeFileNode(\n path: string,\n name: string,\n data: Uint8Array,\n): Promise {\n const filePath = join(path, name);\n fs.mkdirSync(path, { recursive: true });\n\n return new Promise((resolve, reject) => {\n try {\n fs.writeFile(filePath, data, {}, (err) => {\n if (err) {\n reject(err);\n } else {\n resolve(filePath);\n }\n });\n } catch (error: unknown) {\n if (error instanceof Error) {\n reject(error);\n } else {\n reject(new Error(String(error)));\n }\n }\n });\n}\n\nexport function readFileNode(path: string) {\n return fs.readFileSync(path);\n}\n\nexport function fetchFileNode(\n url: string,\n): Promise<{ buffer: Buffer; mimeType?: string }> {\n return new Promise((resolve, reject) => {\n https\n .get(url, (resp) => {\n const data: Uint8Array[] = [];\n const mimeType = resp.headers[\"content-type\"];\n resp.on(\"data\", (chunk: Uint8Array) => {\n data.push(chunk);\n });\n\n resp.on(\"end\", () => {\n resolve({ buffer: Buffer.concat(data), mimeType });\n });\n })\n .on(\"error\", (err) => {\n reject(err);\n });\n });\n}\n\nexport const getFileNode = (file: string) => {\n return Promise.resolve(readFileNode(file));\n};\n\nexport const hashNode = (\n data: BinaryLike,\n algorithm = \"sha1\",\n encoding: \"base64\" | \"hex\" = \"base64\",\n _params?: Record,\n) => {\n if (![\"sha1\", \"sha256\", \"sha512\"].includes(algorithm)) {\n throw new Error(\n `Hashing algorithm not supported: \"${algorithm}\". Available: sha1, sha256, sha512`,\n );\n }\n\n if (![\"base64\", \"hex\"].includes(encoding)) {\n throw new Error(\n `Hash encoding not supported: \"${encoding}\". Available: base64, hex`,\n );\n }\n\n return createHash(algorithm).update(data).digest(encoding);\n};\n\n/**\n * Loads a document from a ZIP file.\n *\n * @remarks\n * This function reads a ZIP file and returns the document state after\n * applying all the operations. The reducer is used to apply the operations.\n *\n * @typeParam S - The type of the state object.\n * @typeParam A - The type of the actions that can be applied to the state object.\n *\n * @param path - The path to the ZIP file.\n * @param reducer - The reducer to apply the operations to the state object.\n * @returns A promise that resolves to the document state after applying all the operations.\n * @throws An error if the initial state or the operations history is not found in the ZIP file.\n */\nexport async function baseLoadFromFile<\n TState extends PHBaseState = PHBaseState,\n>(\n path: string,\n reducer: Reducer,\n options?: ReplayDocumentOptions,\n): Promise> {\n const file = readFileNode(path);\n return baseLoadFromInput(file, reducer, options);\n}\n\n/**\n * Saves a minimal document backup to a .phd file.\n * Used when the full document is not available (e.g., in onOperations handler).\n * Creates a file with minimal header and empty operations.\n */\nexport async function baseMinimalSaveToFile(\n data: MinimalBackupData,\n path: string,\n extension: string,\n) {\n const file = await createMinimalZip(data);\n const fileExtension = extension ? `.${extension}.phd` : \".phd\";\n\n return writeFileNode(\n path,\n data.name.endsWith(fileExtension)\n ? data.name\n : `${data.name}${fileExtension}`,\n file,\n );\n}\n\n/**\n * Saves a document to a ZIP file.\n *\n * @remarks\n * This function creates a ZIP file containing the document's state, operations,\n * and file attachments. 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