joi-schema-validator/dist/formatter.js

A world-class Joi validation error formatter for structured, user-friendly error handling.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.formatError = void 0;
const formatError = (error, messages) => {
    return error.details.map((detail) => {
        const field = detail.path.join('.'); // Supports nested fields like "address.street"
        const type = detail.type;
        // Check for field-specific override, e.g., "name.string.min"
        const fieldSpecificKey = `${field}.${type}`;
        let messageTemplate = messages[fieldSpecificKey] ||
            messages[type] ||
            `${field} is invalid.`;
        // Replace placeholders with actual values from context
        if (detail.context) {
            Object.entries(detail.context).forEach(([key, value]) => {
                messageTemplate = messageTemplate.replace(new RegExp(`{#${key}}`, 'g'), (value === null || value === void 0 ? void 0 : value.toString()) || '');
            });
        }
        // Ensure proper sentence case
        messageTemplate =
            messageTemplate.charAt(0).toUpperCase() + messageTemplate.slice(1);
        return {
            field,
            type,
            message: messageTemplate
        };
    });
};
exports.formatError = formatError;
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