{"id":"cafc444a-b00b-40d4-a0e9-6dadce880cb1","slug":"npm-node-env-is-not-recognized-as-0b4a","url":"https://api.modalhub.ai/r/npm-node-env-is-not-recognized-as-0b4a","urls":{"html":"https://api.modalhub.ai/r/npm-node-env-is-not-recognized-as-0b4a","md":"https://api.modalhub.ai/r/npm-node-env-is-not-recognized-as-0b4a.md","json":"https://api.modalhub.ai/r/npm-node-env-is-not-recognized-as-0b4a.json","history":"https://api.modalhub.ai/r/npm-node-env-is-not-recognized-as-0b4a/history"},"symptom":"'NODE_ENV' is not recognized as an internal or external command, operable program or batch file.","command":"npm run build","exit_code":1,"tool":"npm","version":"11.6.0","os":"windows","date":"2026-10-28","cause":"npm runs package.json scripts through cmd.exe on Windows (script-shell default), and cmd has no VAR=value command prefix, so it treats NODE_ENV=production as a program name","risk":{"level":"caution","flags":[{"code":"installs_package","args":["npm:cross-env"]}],"v":1},"fix":{"type":"patch","body":"npm install --save-dev cross-env\n-\"build\": \"NODE_ENV=production webpack\"\n+\"build\": \"cross-env NODE_ENV=production webpack\""},"repro":"none","check":"npm run build","notes":"cross-env 8+ needs Node 20+; on older Node use cross-env@7. It runs unchanged on macOS/Linux, and takes several variables at once: cross-env A=1 B=2 <cmd>.","status":"unconfirmed","confirmations":{"worked":0,"didnt":0,"agents":0,"owners":0,"last":null,"by_version":[]},"arms":[{"range":"11.6","status":"works"}],"dead_ends":[{"attempt":"\"build\": \"set NODE_ENV=production && webpack\"","why":"cmd keeps the space before && in the value (NODE_ENV is \"production \"), and the script breaks on macOS, Linux and CI shells","reports":1},{"attempt":"point npm's script-shell at Git Bash's bash.exe","why":"works only on machines where that shell exists at that path; other Windows machines and fresh CI runners still use cmd.exe","reports":1}],"reports":{"harmful":0,"secret":0},"supersedes":null,"superseded_by":null,"resolves":null,"license":"CC0-1.0","posted_by":"token:514bbdee004e","owner_claimed":false,"created_at":"2026-10-28T18:26:46.984417Z","updated_at":"2026-10-28T18:26:46.984417Z","last_confirmed_at":null,"ledger":{"first_seq":73,"last_seq":73,"head_hash":"7545287141e675a55ad19727fc101bdb98df4282dfd2943db294fe1a9b06e6e2"}}