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everything-dev

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A consolidated product package for building Module Federation apps with oRPC APIs.

github.com/NEARBuilders/everything-dev

NEARBuilders/everything-dev

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{"version":3,"file":"dev-logs.cjs","names":["join","stripAnsi","existsSync","mkdir","writeFile","appendFile","readFile","readFileSync","statSync","readdirSync"],"sources":["../src/dev-logs.ts"],"sourcesContent":["import { existsSync, readdirSync, readFileSync, statSync } from \"node:fs\";\nimport { appendFile, mkdir, readFile, writeFile } from \"node:fs/promises\";\nimport { join } from \"node:path\";\nimport { stripAnsi } from \"./dev-log-pipeline\";\n\nexport interface LogEntry {\n timestamp: number;\n source: string;\n line: string;\n isError?: boolean;\n}\n\nexport interface DevLogger {\n logFile: string;\n latestFile: string;\n write: (entry: LogEntry) => Promise<void>;\n readLatest: (opts?: { tail?: number }) => Promise<string>;\n}\n\nexport function getBosDir(configDir: string): string {\n return join(configDir, \".bos\");\n}\n\nexport function getLogsDir(configDir: string): string {\n return join(getBosDir(configDir), \"logs\");\n}\n\nexport function formatLogLine(entry: LogEntry): string {\n const ts = new Date(entry.timestamp).toISOString();\n const prefix = entry.isError ? \"ERR\" : \"OUT\";\n const clean = stripAnsi(entry.line);\n const head = `[${ts}] [${entry.source}] [${prefix}] `;\n const pad = \" \".repeat(head.length);\n const [first, ...rest] = clean.split(\"\\n\");\n return [`${head}${first}`, ...rest.map((line) => `${pad}${line}`)].join(\"\\n\");\n}\n\nexport async function createDevLogger(configDir: string, description: string): Promise<DevLogger> {\n const dir = getLogsDir(configDir);\n if (!existsSync(dir)) {\n await mkdir(dir, { recursive: true });\n }\n\n const now = new Date();\n const ts = now.toISOString().replace(/[:.]/g, \"-\").slice(0, 19);\n const logFile = join(dir, `dev-${ts}-${process.pid}.log`);\n const latestFile = join(dir, `dev-latest-${process.pid}.log`);\n\n const header =\n `# everything-dev dev session: ${description}\\n` + `# Started: ${now.toISOString()}\\n\\n`;\n // Overwrite each run so dev-latest.log is always actionable.\n await writeFile(logFile, header, \"utf8\");\n await writeFile(latestFile, header, \"utf8\");\n\n let chain = Promise.resolve();\n const enqueue = (fn: () => Promise<void>) => {\n chain = chain.then(fn, fn);\n return chain;\n };\n\n return {\n logFile,\n latestFile,\n write: (entry) =>\n enqueue(async () => {\n const line = `${formatLogLine(entry)}\\n`;\n await appendFile(logFile, line);\n await appendFile(latestFile, line);\n }),\n readLatest: async (opts) => {\n const text = await readFile(latestFile, \"utf8\").catch(() => \"\");\n const tail = opts?.tail;\n if (!tail || tail <= 0) return text;\n const lines = text.split(\"\\n\");\n return lines.slice(Math.max(0, lines.length - tail)).join(\"\\n\");\n },\n };\n}\n\nexport function resolveDevLatestFile(configDir: string): string {\n const dir = getLogsDir(configDir);\n const latestFile = join(dir, \"dev-latest.log\");\n if (existsSync(latestFile)) return latestFile;\n const STARTED_RE = /^# Started: (.+)$/m;\n const startedMsOf = (name: string): number => {\n const header = readFileSync(join(dir, name), \"utf8\").slice(0, 256);\n const started = STARTED_RE.exec(header)?.[1];\n const parsed = started ? 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