accounts/dist/core/internal/zodIssues.js

Tempo Accounts SDK

/**
 * Flattens nested zod issues into `{ path, message }` pairs. Union branches
 * that each failed on type alone merge into a single `Expected a | b | c`
 * message; otherwise the branch with the fewest issues is reported.
 */
export function flattenIssues(issues) {
    const result = [];
    for (const issue of issues) {
        if (issue.errors?.length) {
            const merged = mergeUnionTypes(issue.errors);
            if (merged) {
                result.push({ path: issue.path, message: merged });
                continue;
            }
            const best = issue.errors.reduce((a, b) => (a.length <= b.length ? a : b));
            for (const nested of flattenIssues(best))
                result.push({ path: [...issue.path, ...nested.path], message: nested.message });
        }
        else {
            let message = issue.message;
            if (issue.code === 'invalid_type' && issue.expected)
                message = `Expected ${issue.expected}`;
            else if (issue.code === 'invalid_value')
                message = 'Invalid value';
            result.push({ path: issue.path, message });
        }
    }
    return result;
}
function mergeUnionTypes(branches) {
    const expected = [];
    for (const branch of branches) {
        const issue = branch[0];
        if (branch.length !== 1 ||
            !issue ||
            issue.code !== 'invalid_type' ||
            !issue.expected ||
            issue.path.length > 0)
            return undefined;
        if (!expected.includes(issue.expected))
            expected.push(issue.expected);
    }
    if (expected.length < 2)
        return undefined;
    return `Expected ${expected.join(' | ')}`;
}
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