{"version":3,"file":"uuid.d.ts","sourceRoot":"","sources":["../../src/utils/uuid.ts"],"names":[],"mappings":"AAMA,0FAA0F;AAC1F,wBAAgB,MAAM,CAAC,WAAW,CAAC,EAAE,MAAM,GAAG,MAAM,CAqCnD","sourcesContent":["const MAX_UUID_V7_TIMESTAMP = 0xffffffffffff;\nconst MAX_SEQUENCE = (1n << 41n) - 1n;\n\nlet lastOrdinaryTimestamp = -1;\nlet sequence: bigint | undefined;\n\n/** Generate a time-ordered UUIDv7. A supplied timestamp is preserved for follower ids. */\nexport function uuidv7(timestampMs?: number): string {\n\tconst requestedTimestamp = timestampMs ?? Date.now();\n\tif (!Number.isInteger(requestedTimestamp) || requestedTimestamp < 0 || requestedTimestamp > MAX_UUID_V7_TIMESTAMP) {\n\t\tthrow new RangeError(`UUIDv7 timestamp must be an integer between 0 and ${MAX_UUID_V7_TIMESTAMP}`);\n\t}\n\n\tconst effectiveTimestamp =\n\t\ttimestampMs === undefined ? Math.max(requestedTimestamp, lastOrdinaryTimestamp) : timestampMs;\n\tif (timestampMs === undefined) lastOrdinaryTimestamp = effectiveTimestamp;\n\n\tconst bytes = new Uint8Array(16);\n\tglobalThis.crypto.getRandomValues(bytes);\n\tif (sequence === undefined) {\n\t\tsequence =\n\t\t\t(BigInt(bytes[1]) << 32n) |\n\t\t\t(BigInt(bytes[2]) << 24n) |\n\t\t\t(BigInt(bytes[3]) << 16n) |\n\t\t\t(BigInt(bytes[4]) << 8n) |\n\t\t\tBigInt(bytes[5]);\n\t} else {\n\t\tif (sequence === MAX_SEQUENCE) throw new RangeError(\"UUIDv7 generator sequence exhausted\");\n\t\tsequence++;\n\t}\n\n\tconst timestamp = BigInt(effectiveTimestamp);\n\tfor (let index = 5; index >= 0; index--) {\n\t\tbytes[index] = Number(timestamp >> BigInt((5 - index) * 8)) & 0xff;\n\t}\n\tbytes[6] = 0x70 | Number((sequence >> 37n) & 0x0fn);\n\tbytes[7] = Number((sequence >> 29n) & 0xffn);\n\tbytes[8] = 0x80 | Number((sequence >> 23n) & 0x3fn);\n\tbytes[9] = Number((sequence >> 15n) & 0xffn);\n\tbytes[10] = Number((sequence >> 7n) & 0xffn);\n\tbytes[11] = Number((sequence & 0x7fn) << 1n) | (bytes[11] & 0x01);\n\n\tconst hex = Array.from(bytes, (byte) => byte.toString(16).padStart(2, \"0\"));\n\treturn `${hex.slice(0, 4).join(\"\")}-${hex.slice(4, 6).join(\"\")}-${hex.slice(6, 8).join(\"\")}-${hex.slice(8, 10).join(\"\")}-${hex.slice(10).join(\"\")}`;\n}\n"]}