{"version":3,"file":"jsonl.d.ts","sourceRoot":"","sources":["../../../../src/harness/session/storage/jsonl.ts"],"names":[],"mappings":"AAKA,OAAO,KAAK,EAAE,oBAAoB,EAAE,cAAc,EAAE,gBAAgB,EAAE,MAAM,gBAAgB,CAAC;AA+C7F,wBAAsB,wBAAwB,CAAC,QAAQ,EAAE,MAAM,GAAG,OAAO,CAAC,oBAAoB,CAAC,CAkB9F;AAkCD,qBAAa,mBAAoB,YAAW,cAAc,CAAC,oBAAoB,CAAC;IAC/E,OAAO,CAAC,QAAQ,CAAC,QAAQ,CAAS;IAClC,OAAO,CAAC,QAAQ,CAAC,QAAQ,CAAuB;IAChD,OAAO,CAAC,OAAO,CAAqB;IACpC,OAAO,CAAC,IAAI,CAAgC;IAC5C,OAAO,CAAC,UAAU,CAAsB;IACxC,OAAO,CAAC,aAAa,CAAgB;IAErC,OAAO,eAON;IAED,OAAa,IAAI,CAAC,QAAQ,EAAE,MAAM,GAAG,OAAO,CAAC,mBAAmB,CAAC,CAIhE;IAED,OAAa,MAAM,CAClB,QAAQ,EAAE,MAAM,EAChB,OAAO,EAAE;QACR,GAAG,EAAE,MAAM,CAAC;QACZ,SAAS,EAAE,MAAM,CAAC;QAClB,iBAAiB,CAAC,EAAE,MAAM,CAAC;KAC3B,GACC,OAAO,CAAC,mBAAmB,CAAC,CAa9B;IAEK,WAAW,IAAI,OAAO,CAAC,oBAAoB,CAAC,CAEjD;IAEK,SAAS,IAAI,OAAO,CAAC,MAAM,GAAG,IAAI,CAAC,CAExC;IAEK,SAAS,CAAC,MAAM,EAAE,MAAM,GAAG,IAAI,GAAG,OAAO,CAAC,IAAI,CAAC,CAKpD;IAEK,aAAa,IAAI,OAAO,CAAC,MAAM,CAAC,CAErC;IAEK,WAAW,CAAC,KAAK,EAAE,gBAAgB,GAAG,OAAO,CAAC,IAAI,CAAC,CAMxD;IAEK,QAAQ,CAAC,EAAE,EAAE,MAAM,GAAG,OAAO,CAAC,gBAAgB,GAAG,SAAS,CAAC,CAEhE;IAEK,WAAW,CAAC,KAAK,SAAS,gBAAgB,CAAC,MAAM,CAAC,EACvD,IAAI,EAAE,KAAK,GACT,OAAO,CAAC,KAAK,CAAC,OAAO,CAAC,gBAAgB,EAAE;QAAE,IAAI,EAAE,KAAK,CAAA;KAAE,CAAC,CAAC,CAAC,CAE5D;IAEK,QAAQ,CAAC,EAAE,EAAE,MAAM,GAAG,OAAO,CAAC,MAAM,GAAG,SAAS,CAAC,CAEtD;IAEK,aAAa,CAAC,MAAM,EAAE,MAAM,GAAG,IAAI,GAAG,OAAO,CAAC,gBAAgB,EAAE,CAAC,CAStE;IAEK,UAAU,IAAI,OAAO,CAAC,gBAAgB,EAAE,CAAC,CAE9C;CACD","sourcesContent":["import { randomUUID } from \"node:crypto\";\nimport { createReadStream } from \"node:fs\";\nimport { appendFile, mkdir, readFile, writeFile } from \"node:fs/promises\";\nimport { dirname, resolve } from \"node:path\";\nimport { createInterface } from \"node:readline\";\nimport type { JsonlSessionMetadata, SessionStorage, SessionTreeEntry } from \"../../types.js\";\n\ninterface SessionHeader {\n\ttype: \"session\";\n\tversion: 3;\n\tid: string;\n\ttimestamp: string;\n\tcwd: string;\n\tparentSession?: string;\n}\n\nfunction updateLabelCache(labelsById: Map<string, string>, entry: SessionTreeEntry): void {\n\tif (entry.type !== \"label\") return;\n\tconst label = entry.label?.trim();\n\tif (label) {\n\t\tlabelsById.set(entry.targetId, label);\n\t} else {\n\t\tlabelsById.delete(entry.targetId);\n\t}\n}\n\nfunction buildLabelsById(entries: SessionTreeEntry[]): Map<string, string> {\n\tconst labelsById = new Map<string, string>();\n\tfor (const entry of entries) {\n\t\tupdateLabelCache(labelsById, entry);\n\t}\n\treturn labelsById;\n}\n\nfunction generateEntryId(byId: { has(id: string): boolean }): string {\n\tfor (let i = 0; i < 100; i++) {\n\t\tconst id = randomUUID().slice(0, 8);\n\t\tif (!byId.has(id)) return id;\n\t}\n\treturn randomUUID();\n}\n\nfunction headerToSessionMetadata(header: SessionHeader, path: string): JsonlSessionMetadata {\n\treturn {\n\t\tid: header.id,\n\t\tcreatedAt: header.timestamp,\n\t\tcwd: header.cwd,\n\t\tpath,\n\t\tparentSessionPath: header.parentSession,\n\t};\n}\n\nexport async function loadJsonlSessionMetadata(filePath: string): Promise<JsonlSessionMetadata> {\n\tconst stream = createReadStream(filePath, { encoding: \"utf8\" });\n\tconst lines = createInterface({ input: stream, crlfDelay: Infinity });\n\ttry {\n\t\tfor await (const line of lines) {\n\t\t\tif (!line.trim()) break;\n\t\t\ttry {\n\t\t\t\tconst header = JSON.parse(line) as SessionHeader;\n\t\t\t\treturn headerToSessionMetadata(header, resolve(filePath));\n\t\t\t} catch {\n\t\t\t\tthrow new Error(`Invalid JSONL session file ${filePath}: first line is not a valid session header`);\n\t\t\t}\n\t\t}\n\t\tthrow new Error(`Invalid JSONL session file ${filePath}: missing session header`);\n\t} finally {\n\t\tlines.close();\n\t\tstream.destroy();\n\t}\n}\n\nasync function loadJsonlStorage(filePath: string): Promise<{\n\theader: SessionHeader;\n\tentries: SessionTreeEntry[];\n\tleafId: string | null;\n}> {\n\tconst content = await readFile(filePath, \"utf8\");\n\tconst lines = content.split(\"\\n\").filter((line) => line.trim());\n\tif (lines.length === 0) {\n\t\tthrow new Error(`Invalid JSONL session file ${filePath}: missing session header`);\n\t}\n\n\tlet header: SessionHeader;\n\ttry {\n\t\theader = JSON.parse(lines[0]!) as SessionHeader;\n\t} catch {\n\t\tthrow new Error(`Invalid JSONL session file ${filePath}: first line is not a valid session header`);\n\t}\n\n\tconst entries: SessionTreeEntry[] = [];\n\tlet leafId: string | null = null;\n\tfor (const line of lines.slice(1)) {\n\t\ttry {\n\t\t\tconst entry = JSON.parse(line) as SessionTreeEntry;\n\t\t\tentries.push(entry);\n\t\t\tleafId = entry.id;\n\t\t} catch {\n\t\t\t// ignore malformed entry lines\n\t\t}\n\t}\n\treturn { header, entries, leafId };\n}\n\nexport class JsonlSessionStorage implements SessionStorage<JsonlSessionMetadata> {\n\tprivate readonly filePath: string;\n\tprivate readonly metadata: JsonlSessionMetadata;\n\tprivate entries: SessionTreeEntry[];\n\tprivate byId: Map<string, SessionTreeEntry>;\n\tprivate labelsById: Map<string, string>;\n\tprivate currentLeafId: string | null;\n\n\tprivate constructor(filePath: string, header: SessionHeader, entries: SessionTreeEntry[], leafId: string | null) {\n\t\tthis.filePath = resolve(filePath);\n\t\tthis.metadata = headerToSessionMetadata(header, this.filePath);\n\t\tthis.entries = entries;\n\t\tthis.byId = new Map(entries.map((entry) => [entry.id, entry]));\n\t\tthis.labelsById = buildLabelsById(entries);\n\t\tthis.currentLeafId = leafId;\n\t}\n\n\tstatic async open(filePath: string): Promise<JsonlSessionStorage> {\n\t\tconst resolvedPath = resolve(filePath);\n\t\tconst loaded = await loadJsonlStorage(resolvedPath);\n\t\treturn new JsonlSessionStorage(resolvedPath, loaded.header, loaded.entries, loaded.leafId);\n\t}\n\n\tstatic async create(\n\t\tfilePath: string,\n\t\toptions: {\n\t\t\tcwd: string;\n\t\t\tsessionId: string;\n\t\t\tparentSessionPath?: string;\n\t\t},\n\t): Promise<JsonlSessionStorage> {\n\t\tconst resolvedPath = resolve(filePath);\n\t\tconst header: SessionHeader = {\n\t\t\ttype: \"session\",\n\t\t\tversion: 3,\n\t\t\tid: options.sessionId,\n\t\t\ttimestamp: new Date().toISOString(),\n\t\t\tcwd: options.cwd,\n\t\t\tparentSession: options.parentSessionPath,\n\t\t};\n\t\tawait mkdir(dirname(resolvedPath), { recursive: true });\n\t\tawait writeFile(resolvedPath, `${JSON.stringify(header)}\\n`);\n\t\treturn new JsonlSessionStorage(resolvedPath, header, [], null);\n\t}\n\n\tasync getMetadata(): Promise<JsonlSessionMetadata> {\n\t\treturn this.metadata;\n\t}\n\n\tasync getLeafId(): Promise<string | null> {\n\t\treturn this.currentLeafId;\n\t}\n\n\tasync setLeafId(leafId: string | null): Promise<void> {\n\t\tif (leafId !== null && !this.byId.has(leafId)) {\n\t\t\tthrow new Error(`Entry ${leafId} not found`);\n\t\t}\n\t\tthis.currentLeafId = leafId;\n\t}\n\n\tasync createEntryId(): Promise<string> {\n\t\treturn generateEntryId(this.byId);\n\t}\n\n\tasync appendEntry(entry: SessionTreeEntry): Promise<void> {\n\t\tawait appendFile(this.filePath, `${JSON.stringify(entry)}\\n`);\n\t\tthis.entries.push(entry);\n\t\tthis.byId.set(entry.id, entry);\n\t\tupdateLabelCache(this.labelsById, entry);\n\t\tthis.currentLeafId = entry.id;\n\t}\n\n\tasync getEntry(id: string): Promise<SessionTreeEntry | undefined> {\n\t\treturn this.byId.get(id);\n\t}\n\n\tasync findEntries<TType extends SessionTreeEntry[\"type\"]>(\n\t\ttype: TType,\n\t): Promise<Array<Extract<SessionTreeEntry, { type: TType }>>> {\n\t\treturn this.entries.filter((entry): entry is Extract<SessionTreeEntry, { type: TType }> => entry.type === type);\n\t}\n\n\tasync getLabel(id: string): Promise<string | undefined> {\n\t\treturn this.labelsById.get(id);\n\t}\n\n\tasync getPathToRoot(leafId: string | null): Promise<SessionTreeEntry[]> {\n\t\tif (leafId === null) return [];\n\t\tconst path: SessionTreeEntry[] = [];\n\t\tlet current = this.byId.get(leafId);\n\t\twhile (current) {\n\t\t\tpath.unshift(current);\n\t\t\tcurrent = current.parentId ? this.byId.get(current.parentId) : undefined;\n\t\t}\n\t\treturn path;\n\t}\n\n\tasync getEntries(): Promise<SessionTreeEntry[]> {\n\t\treturn [...this.entries];\n\t}\n}\n"]}