@decaf-ts/decorator-validation
Version:
simple decorator based validation engine
72 lines • 7.99 kB
JavaScript
import { ValidatorRegistry } from "./Validators/ValidatorRegistry";
import { ValidationKeys } from "./Validators/constants";
/**
* @summary Static class acting as a namespace for the Validation
*
* @class Validation
* @static
*
* @category Validation
*/
export class Validation {
static { this.actingValidatorRegistry = undefined; }
constructor() { }
/**
* @summary Defines the acting ValidatorRegistry
*
* @param {IValidatorRegistry} validatorRegistry the new implementation of the validator Registry
* @param {function(Validator): Validator} [migrationHandler] the method to map the validator if required;
*/
static setRegistry(validatorRegistry, migrationHandler) {
if (migrationHandler && Validation.actingValidatorRegistry)
Validation.actingValidatorRegistry.getKeys().forEach((k) => {
const validator = validatorRegistry.get(k);
if (validator)
validatorRegistry.register(migrationHandler(validator));
});
Validation.actingValidatorRegistry = validatorRegistry;
}
/**
* @summary Returns the current ValidatorRegistry
*
* @return IValidatorRegistry, defaults to {@link ValidatorRegistry}
*/
static getRegistry() {
if (!Validation.actingValidatorRegistry)
Validation.actingValidatorRegistry = new ValidatorRegistry();
return Validation.actingValidatorRegistry;
}
/**
* @summary Retrieves a validator
*
* @param {string} validatorKey one of the {@link ValidationKeys}
* @return {Validator | undefined} the registered Validator or undefined if there is nono matching the provided key
*/
static get(validatorKey) {
return Validation.getRegistry().get(validatorKey);
}
/**
* @summary Registers the provided validators onto the registry
*
* @param {T[] | ValidatorDefinition[]} validator
*/
static register(...validator) {
return Validation.getRegistry().register(...validator);
}
/**
* @summary Builds the key to store as Metadata under Reflections
* @description concatenates {@link ValidationKeys#REFLECT} with the provided key
*
* @param {string} key
*/
static key(key) {
return ValidationKeys.REFLECT + key;
}
/**
* @summary Returns all registered validation keys
*/
static keys() {
return this.getRegistry().getKeys();
}
}
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RhZGF0YSB1bmRlciBSZWZsZWN0aW9uc1xuICAgKiBAZGVzY3JpcHRpb24gY29uY2F0ZW5hdGVzIHtAbGluayBWYWxpZGF0aW9uS2V5cyNSRUZMRUNUfSB3aXRoIHRoZSBwcm92aWRlZCBrZXlcbiAgICpcbiAgICogQHBhcmFtIHtzdHJpbmd9IGtleVxuICAgKi9cbiAgc3RhdGljIGtleShrZXk6IHN0cmluZykge1xuICAgIHJldHVybiBWYWxpZGF0aW9uS2V5cy5SRUZMRUNUICsga2V5O1xuICB9XG5cbiAgLyoqXG4gICAqIEBzdW1tYXJ5IFJldHVybnMgYWxsIHJlZ2lzdGVyZWQgdmFsaWRhdGlvbiBrZXlzXG4gICAqL1xuICBzdGF0aWMga2V5cygpIHtcbiAgICByZXR1cm4gdGhpcy5nZXRSZWdpc3RyeSgpLmdldEtleXMoKTtcbiAgfVxufVxuIl19