@nestjs/config/dist/utils/validate-with-schema.util.js

Nest - modern, fast, powerful node.js web framework (@config)

/**
 * Joi defaults to `allowUnknown: false` and `abortEarly: true`, which would
 * reject the unrelated variables that are always present in `process.env` and
 * report only the first failure. Previous versions of this package overrode
 * both, so they remain the defaults for Joi schemas unless the user opts out.
 */
const JOI_DEFAULT_LIBRARY_OPTIONS = {
    abortEarly: false,
    allowUnknown: true,
};
/**
 * Validates config using a Standard Schema (e.g. Zod, Arktype).
 * @see https://standardschema.dev/
 */
export async function validateWithStandardSchema(schema, config, options) {
    const result = await schema['~standard'].validate(config, getLibraryOptions(schema, options));
    // A falsy "issues" value indicates success, see https://standardschema.dev/
    if (result.issues) {
        return { error: new Error(formatIssues(result.issues)), value: config };
    }
    return { value: result.value };
}
function getLibraryOptions(schema, options) {
    if (schema['~standard'].vendor !== 'joi') {
        return options;
    }
    return {
        ...options,
        libraryOptions: {
            ...JOI_DEFAULT_LIBRARY_OPTIONS,
            ...options?.libraryOptions,
        },
    };
}
function formatIssues(issues) {
    return issues
        .map(issue => {
        const path = formatIssuePath(issue.path);
        return path ? `${path}: ${issue.message}` : issue.message;
    })
        .join('\n');
}
function formatIssuePath(path) {
    return (path ?? [])
        .map(segment => typeof segment === 'object' && segment !== null
        ? String(segment.key)
        : String(segment))
        .join('.');
}