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refactor: extracted zod configuration
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Original file line number | Diff line number | Diff line change |
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import type { ZodError } from 'next/dist/compiled/zod' | ||
import { ZodParsedType, util, type ZodIssue } from 'next/dist/compiled/zod' | ||
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function processZodErrorMessage(issue: ZodIssue) { | ||
let message = issue.message | ||
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let path: string | ||
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if (issue.path.length > 0) { | ||
if (issue.path.length === 1) { | ||
const identifier = issue.path[0] | ||
if (typeof identifier === 'number') { | ||
// The first identifier inside path is a number | ||
path = `index ${identifier}` | ||
} else { | ||
path = `"${identifier}"` | ||
} | ||
} else { | ||
// joined path to be shown in the error message | ||
path = `"${issue.path.reduce<string>((acc, cur) => { | ||
if (typeof cur === 'number') { | ||
// array index | ||
return `${acc}[${cur}]` | ||
} | ||
if (cur.includes('"')) { | ||
// escape quotes | ||
return `${acc}["${cur.replaceAll('"', '\\"')}"]` | ||
} | ||
// dot notation | ||
const separator = acc.length === 0 ? '' : '.' | ||
return acc + separator + cur | ||
}, '')}"` | ||
} | ||
} else { | ||
path = '' | ||
} | ||
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if ( | ||
issue.code === 'invalid_type' && | ||
issue.received === ZodParsedType.undefined | ||
) { | ||
// Missing key in object. | ||
return `${path} is missing, expected ${issue.expected}` | ||
} | ||
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if (issue.code === 'invalid_enum_value') { | ||
// Remove "Invalid enum value" prefix from zod default error message | ||
return `Expected ${util.joinValues(issue.options)}, received '${ | ||
issue.received | ||
}' at ${path}` | ||
} | ||
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return message + (path ? ` at ${path}` : '') | ||
} | ||
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export function normalizeZodErrors(error: ZodError) { | ||
return error.issues.flatMap((issue) => { | ||
const issues = [{ issue, message: processZodErrorMessage(issue) }] | ||
if ('unionErrors' in issue) { | ||
for (const unionError of issue.unionErrors) { | ||
issues.push(...normalizeZodErrors(unionError)) | ||
} | ||
} | ||
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return issues | ||
}) | ||
} |