covid-certificate/lib/validate/JsonSchemaValidator.js

Parse and verify a european digital covid certificate (dcc)

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const AbstractValidator_1 = __importDefault(require("./AbstractValidator"));
const ValidatorResult_1 = require("./ValidatorResult");
const ajv_1 = __importDefault(require("ajv"));
/**
 * Validate data by a JSON schema
 *
 * @example
 * ```
 * const validator = new JsonSchemaValidator({
 *   type: "object",
 *   properties: {
 *     foo: {type: "integer"},
 *     bar: {type: "string"}
 *   },
 *   required: ["foo"],
 *   additionalProperties: false
 * });
 *
 * const validatorResult = validator.validate({foo: "3"}, bar: "bar"}); // error
 * ```
 *
 */
class JsonSchemaValidator extends AbstractValidator_1.default {
    /**
     * Create a JsonSchemaValidator
     *
     * @param schema
     */
    constructor(schema) {
        super();
        this.schema = schema;
    }
    /**
     * Validate data
     *
     * @param data - the data to validate
     */
    validate(data) {
        const ajv = new ajv_1.default({
            strict: false,
        });
        const validate = ajv.compile(this.schema);
        const valid = validate(data);
        if (!valid) {
            const errorMessage = validate.errors
                .map((error) => error.message)
                .join(", ");
            return new ValidatorResult_1.ValidationError("Payload not valid: " + errorMessage);
        }
        return new ValidatorResult_1.Valid();
    }
}
exports.default = JsonSchemaValidator;