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m => process.send(ARSON.stringify(m))\n : () => {};\n\nstartCompilerWorker()\n .catch(err => {\n setTimeout(() => {\n throw err;\n })\n });\n\nconst FAILURE_COUNT = 5;\n\nasync function startCompilerWorker() {\n const {cwd, target} = flags;\n const config = ARSON.parse(flags.config);\n\n const [err, valid] = validate({ target: config, name: `${target}-worker` });\n\n if (!valid) {\n console.error(err);\n return;\n }\n\n const compiler = await createCompiler({config, cwd, target});\n const fs = compiler.outputFileSystem;\n\n let beat = Date.now();\n let failures = 0;\n\n setInterval(() => {\n const age = Date.now() - beat;\n if (age >= 2000) {\n failures++;\n debug(`worker: ${target} beat is ${age}ms old, failure ${failures}/${FAILURE_COUNT}.`);\n } else if (failures !== 0) {\n debug(`worker: ${target} beat limit met, reset failure to 0/${FAILURE_COUNT}.`);\n failures = 0;\n }\n if (failures >= FAILURE_COUNT) {\n send({\n type: \"shutdown\", target\n });\n process.exit(0);\n }\n }, 1000);\n\n compiler.hooks.compile.tap(\"patternpalte\", () => {\n send({type: \"start\", target, payload: {}});\n });\n\n compiler.hooks.done.tap(\"patternplate\", (stats) => {\n if (stats.compilation.errors && stats.compilation.errors.length > 0) {\n stats.compilation.errors.forEach(err => {\n return send({type: \"error\", target, payload: err});\n });\n return send({type: \"error\", target, payload: stats.compilation.errors});\n }\n send({type: \"done\", target, payload: fs.data});\n });\n\n compiler.hooks.failed.tap(\"patternplate\", err => {\n send({type: \"error\", target, payload: err});\n });\n\n process.on(\"message\", async envelope => {\n const message = ARSON.parse(envelope);\n\n switch (message.type) {\n case \"heartbeat\": {\n beat = Date.now();\n return;\n }\n case \"start\": {\n debug(`worker: start ${target}`);\n return compiler.watch({ignored: \"**/pattern.json\"}, () => {});\n }\n case \"stop\": {\n debug(`worker: stop ${target}`);\n process.exit(0);\n }\n }\n });\n\n send({type: \"ready\"});\n}\n"]} |