{"version":3,"file":"file-mutation-queue.d.ts","sourceRoot":"","sources":["../../../src/core/tools/file-mutation-queue.ts"],"names":[],"mappings":"AAcA;;;GAGG;AACH,wBAAsB,qBAAqB,CAAC,CAAC,EAAE,QAAQ,EAAE,MAAM,EAAE,EAAE,EAAE,MAAM,OAAO,CAAC,CAAC,CAAC,GAAG,OAAO,CAAC,CAAC,CAAC,CAoBjG","sourcesContent":["import { realpath } from \"node:fs/promises\";\nimport { resolve } from \"node:path\";\n\nconst fileMutationQueues = new Map<string, Promise<void>>();\n\nasync function getMutationQueueKey(filePath: string): Promise<string> {\n\tconst resolvedPath = resolve(filePath);\n\ttry {\n\t\treturn await realpath(resolvedPath);\n\t} catch {\n\t\treturn resolvedPath;\n\t}\n}\n\n/**\n * Serialize file mutation operations targeting the same file.\n * Operations for different files still run in parallel.\n */\nexport async function withFileMutationQueue<T>(filePath: string, fn: () => Promise<T>): Promise<T> {\n\tconst key = await getMutationQueueKey(filePath);\n\tconst currentQueue = fileMutationQueues.get(key) ?? Promise.resolve();\n\n\tlet releaseNext!: () => void;\n\tconst nextQueue = new Promise<void>((resolveQueue) => {\n\t\treleaseNext = resolveQueue;\n\t});\n\tconst chainedQueue = currentQueue.then(() => nextQueue);\n\tfileMutationQueues.set(key, chainedQueue);\n\n\tawait currentQueue;\n\ttry {\n\t\treturn await fn();\n\t} finally {\n\t\treleaseNext();\n\t\tif (fileMutationQueues.get(key) === chainedQueue) {\n\t\t\tfileMutationQueues.delete(key);\n\t\t}\n\t}\n}\n"]}