tools/openapi-client/src/App.tsx

65:   const handleParseSpec = async (input: string | File, action: 'paste' | 'upload' | 'sample' = 'paste') => {
66:     if (processing || (typeof input === 'string' && !input.trim())) return
67:
68:     const inputSource = action === 'sample' ? 'example' : action === 'upload' ? 'user_input' : draftInputSource
69:     setGeneratedInputSource(inputSource)
70:     setProcessing(true)
71:     setError(null)
72:     setGeneratedCode('')
73:     setSelectedEndpoint(null)
74:     setSpec(null)
75:     setEndpoints([])
76:
77:     let stage: ErrorStage = typeof input === 'string' ? 'parse' : 'file_read'
78:     try {
79:       const text = typeof input === 'string' ? input : await input.text()
80:       if (action !== 'paste') {
81:         setSpecText(text)
82:         setDraftInputSource(inputSource)
83:       }
84:       stage = 'parse'
85:       const parsedSpec = await parseOpenAPISpec(text)
86:       const extractedEndpoints = extractEndpoints(parsedSpec)
87:
88:       // Auto-generate code
89:       stage = 'generate'
90:       handleGenerate(parsedSpec, extractedEndpoints, selectedLanguage, action, inputSource)
91:       setSpec(parsedSpec)
92:       setEndpoints(extractedEndpoints)
93:     } catch (err) {
94:       setError((err as Error).message)
95:       setSpec(null)
96:       setEndpoints([])
97:       trackToolEvent('tool_error', selectedLanguage, action, inputSource, stage)
98:     } finally {
99:       setProcessing(false)
100:     }
101:   }