{"record":{"id":"d3ae3e81f8c4cd21","repo":"AykutSarac/jsoncrack.com","slug":"the-content-was-unable-to-be-converted-so-it-was","errorCode":null,"errorMessage":"The content was unable to be converted, so it was cleared instead.","messagePattern":"The content was unable to be converted, so it was cleared instead\\.","errorType":"console","errorClass":null,"httpStatus":null,"severity":"warning","filePath":"apps/www/src/store/useFile.ts","lineNumber":97,"sourceCode":"    set({ fileData, format: fileData.format || FileFormat.JSON });\n    get().setContents({ contents: fileData.content, hasChanges: false });\n    gaEvent(\"set_content\", { label: fileData.format });\n  },\n  getContents: () => get().contents,\n  getFormat: () => get().format,\n  getHasChanges: () => get().hasChanges,\n  setFormat: async format => {\n    try {\n      const prevFormat = get().format;\n\n      set({ format });\n      const contentJson = await contentToJson(get().contents, prevFormat);\n      const jsonContent = await jsonToContent(JSON.stringify(contentJson, null, 2), format);\n\n      get().setContents({ contents: jsonContent });\n    } catch {\n      get().clear();\n      console.warn(\"The content was unable to be converted, so it was cleared instead.\");\n    }\n  },\n  setContents: async ({ contents, hasChanges = true, skipUpdate = false, format }) => {\n    try {\n      set({\n        ...(contents && { contents }),\n        error: null,\n        hasChanges,\n        format: format ?? get().format,\n      });\n\n      const isFetchURL = window.location.href.includes(\"?\");\n      const json = await contentToJson(get().contents, get().format);\n\n      if (!useConfig.getState().liveTransformEnabled && skipUpdate) return;\n\n      if (get().hasChanges && contents && contents.length < 80_000 && !isIframe() && !isFetchURL) {\n        sessionStorage.setItem(\"content\", contents);","sourceCodeStart":79,"sourceCodeEnd":115,"githubUrl":"https://github.com/AykutSarac/jsoncrack.com/blob/3c9af69e23c635356293b6b28cf4cd0af10d1059/apps/www/src/store/useFile.ts#L79-L115","documentation":"console.warn emitted by useFile.setFormat when converting the editor content between formats fails. setFormat reads the current contents (prevFormat) via contentToJson, re-serializes to JSON, then converts to the target format via jsonToContent. On any failure it calls get().clear(), wiping the editor and the JSON store, and warns to the console.","triggerScenarios":"Switching format when the editor content cannot be parsed in the previous format (e.g. malformed YAML, CSV, XML) — contentToJson throws; or the JSON cannot be expressed in the target format — jsonToContent throws. The catch then destructively clears everything.","commonSituations":"Mid-edit content that is temporarily invalid when the user switches format; a CSV/XML payload that doesn't round-trip; selecting a format mismatched to the data.","solutions":["Do not call get().clear() on conversion failure — keep the original content so users can fix it.","Validate the content parses in the current format before allowing a format switch.","Log the conversion error (currently only a generic warn) with the format pair and error message.","Offer a 'convert a copy' mode that does not destroy the source on failure."],"exampleFix":"// before\n} catch {\n  get().clear();\n  console.warn(\"The content was unable to be converted, so it was cleared instead.\");\n}\n\n// after — preserve content, surface the cause\n} catch (err) {\n  console.warn(`Cannot convert ${prevFormat} -> ${format}:`, err);\n  set({ format: prevFormat }); // revert the format selector\n  toast.error(`Conversion failed: ${err?.message ?? \"invalid content\"}`);\n}","handlingStrategy":"validation","validationCode":"// Validate current content parses in its format before switching\nexport async function canConvert(contents: string, from: string, to: string): Promise<boolean> {\n  try {\n    const json = await contentToJson(contents, from);\n    await jsonToContent(JSON.stringify(json, null, 2), to);\n    return true;\n  } catch { return false; }\n}","typeGuard":"// Detect contentToJson/jsonToContent failures (no thrown primitives)\nexport function isConversionError(error: unknown): error is Error {\n  return error instanceof Error;\n}","tryCatchPattern":"// Revert format, keep content, surface the cause\ntry { /* conversion */ }\ncatch (err) {\n  set({ format: prevFormat });\n  console.warn(`Cannot convert ${prevFormat} -> ${format}:`, err);\n  toast.error(`Conversion failed: ${err?.message ?? \"invalid content\"}`);\n}","preventionTips":["Validate the current content parses before enabling a format switch.","Do not call get().clear() on failure — preserve the user's content.","Log the format pair and error message for diagnostics."],"tags":["format-conversion","json","yaml","csv","xml","destructive","zustand"],"backgroundTag":null,"analyzedSha":"3c9af69e23c635356293b6b28cf4cd0af10d1059","analyzedAt":"2026-08-12T19:00:27.891Z","schemaVersion":2},"datasetVersion":"2026-08-12T23:17:12.415Z"}