{"record":{"id":"17d352358a238d21","repo":"facebook/lexical","slug":"minified-lexical-error-code-visit-url-tostr","errorCode":null,"errorMessage":"Minified Lexical error #${code}; visit ${url.toString()} for the full message or use the non-minified dev environment for full errors and additional helpful warnings.","messagePattern":"Minified Lexical error #(.+?); visit (.+?) for the full message or use the non-minified dev environment for full errors and additional helpful warnings\\.","errorType":"error_code","errorClass":"Error","httpStatus":null,"severity":"error","filePath":"packages/lexical-internal/src/formatProdErrorMessage.ts","lineNumber":25,"sourceCode":" */\n\n// Do not require this module directly! Use normal `invariant` calls with\n// template literal strings. The messages will be replaced with error codes\n// during build.\n\nexport default function formatProdErrorMessage(\n  code: string,\n  ...args: string[]\n): never {\n  const url = new URL('https://lexical.dev/docs/error');\n  const params = new URLSearchParams();\n  params.append('code', code);\n  for (const arg of args) {\n    params.append('v', arg);\n  }\n  url.search = params.toString();\n\n  throw Error(\n    `Minified Lexical error #${code}; visit ${url.toString()} for the full message or use the non-minified dev environment for full errors and additional helpful warnings.`,\n  );\n}\n","sourceCodeStart":7,"sourceCodeEnd":29,"githubUrl":"https://github.com/facebook/lexical/blob/76a22dcba981b46119fcec45f935270707e26a57/packages/lexical-internal/src/formatProdErrorMessage.ts#L7-L29","documentation":"In production builds Lexical strips the human-readable text of its internal errors and throws a generic Error carrying only a numeric error code, to keep bundle size small. This message tells you the code and a URL (errors.lexical.dev with ?code= and ?v= query params) that renders the full original message with the arguments substituted. It is a thrown Error, not a warning, so it interrupts execution.","triggerScenarios":"Any Lexical internal invariant violation (invalid API usage, use of $-functions outside an update/read context, corrupt node trees, etc.) thrown via formatProdErrorMessage in a minified production build; the specific code identifies the actual invariant.","commonSituations":"Shipping minified prod bundles and hitting any Lexical-thrown error; debugging a crash whose only info is 'Minified Lexical error #NN'; CI/e2e runs against prod builds.","solutions":["Open the URL from the message (it includes the code and values) to see the full decoded error message.","Reproduce with a non-minified development build of Lexical (dev export condition / source) to get the full error and additional warnings.","Look up the numeric code in packages/lexical-shared/src/errorCodes (codes are appended at build time) to map it to the original message.","Fix the underlying invalid API usage once the full message is known."],"exampleFix":null,"handlingStrategy":"try-catch","validationCode":null,"typeGuard":"function isMinifiedLexicalError(e: unknown): e is Error & {message: string} {\n  return e instanceof Error && e.message.startsWith('Minified Lexical error #');\n}","tryCatchPattern":"try {\n  editor.update(() => { /* ... */ });\n} catch (e) {\n  if (isMinifiedLexicalError(e)) {\n    const code = /#(\\d+)/.exec(e.message)![1];\n    console.error(`Lexical error ${code}; see https://errors.lexical.dev?code=${code}`);\n  } else {\n    throw e;\n  }\n}","preventionTips":["Develop and test against non-minified dev builds so full error messages and warnings appear.","When a minified error appears in prod logs, resolve the code via the URL in the message or the error-codes file.","Register editor onError to capture and log errors with context (editor state) for diagnosis.","Never swallow Lexical-thrown errors — they indicate invalid API usage that will corrupt behavior."],"tags":["minified-error","production","error-code","debugging"],"backgroundTag":"minified-error-code","analyzedSha":"76a22dcba981b46119fcec45f935270707e26a57","analyzedAt":"2026-08-31T21:45:54.792Z","schemaVersion":2},"datasetVersion":"2026-08-31T22:30:34.772Z"}