Justin Edmund
149f30c538
We extracted utility functions from the Party.svelte component in order to make things more DRY.
64 lines
1.6 KiB
TypeScript
64 lines
1.6 KiB
TypeScript
/**
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* Error message extraction utilities
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* Handles complex nested error structures from API responses
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*/
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export interface NestedErrorDetails {
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details?: NestedErrorDetails
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errors?: { message?: string; [key: string]: any }
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message?: string
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}
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/**
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* Extracts user-friendly error message from nested API error structures
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* Handles the pattern: error.details.details.errors.message
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*
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* @param error - The error object to extract from
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* @param fallbackMessage - Message to return if extraction fails
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* @returns Extracted error message or fallback
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*
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* @example
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* ```typescript
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* try {
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* await api.updateParty(...)
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* } catch (e) {
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* error = extractErrorMessage(e, 'Failed to update party')
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* }
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* ```
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*/
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export function extractErrorMessage(
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error: any,
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fallbackMessage: string = 'An error occurred'
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): string {
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if (!error) return fallbackMessage
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// Navigate through nested details structure
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let errorDetails: NestedErrorDetails | undefined = error?.details
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while (errorDetails?.details) {
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errorDetails = errorDetails.details
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}
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// Try to extract message from various formats
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if (errorDetails?.errors) {
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// Simple message format
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if (errorDetails.errors.message) {
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return errorDetails.errors.message
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}
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// Field-based errors - combine all messages
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const errorMessages = Object.entries(errorDetails.errors)
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.map(([field, messages]) => {
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if (Array.isArray(messages)) {
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return messages.join(', ')
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}
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return String(messages)
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})
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.filter((msg) => msg && msg !== 'undefined')
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.join('; ')
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if (errorMessages) return errorMessages
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}
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// Fallback to error.message
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return error?.message || fallbackMessage
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}
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