@asteasolutions/zod-to-openapi/dist/lib/enum-info.js

Builds OpenAPI schemas from Zod schemas

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.enumInfo = void 0;
/**
 * Numeric enums have a reverse mapping https://www.typescriptlang.org/docs/handbook/enums.html#reverse-mappings
 * whereas string ones don't.
 *
 * This function checks if an enum is fully numeric - i.e all values are numbers or not.
 * And filters out only the actual enum values when a reverse mapping is apparent.
 */
function enumInfo(enumObject) {
    const keysExceptReverseMappings = Object.keys(enumObject).filter(key => typeof enumObject[enumObject[key]] !== 'number');
    const values = keysExceptReverseMappings.map(key => enumObject[key]);
    const numericCount = values.filter(_ => typeof _ === 'number').length;
    const type = numericCount === 0
        ? 'string'
        : numericCount === values.length
            ? 'numeric'
            : 'mixed';
    return { values, type };
}
exports.enumInfo = enumInfo;