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ciiqr/zod-type-guard-sendgrid.ts

Last active September 15, 2023 17:40
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zod type guard for @sendgrid/mail's ResponseError
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zod-type-guard-sendgrid.ts
// NOTE: sendgrid doesn't properly export its ResponseError class, so this type
// (roughly) represents that type (with the type of body fixed)
const sendGridResponseErrorSchema = z.instanceof(Error).and(z.object({
code: z.number(),
response: z.object({
headers: z.record(z.string(), z.string()),
body: z.object({
errors: z.array(z.unknown())
})
})
}));
type SendGridResponseError = z.infer<typeof sendGridResponseErrorSchema>;
function isSendGridResponseError(val: unknown): val is SendGridResponseError {
return sendGridResponseErrorSchema.safeParse(val).success;
}
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