class-validator-multi-lang
Version:
Decorator-based property validation for classes.
37 lines • 1.73 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.IsInstance = exports.isInstance = exports.IS_INSTANCE = void 0;
const ValidateBy_1 = require("../common/ValidateBy");
const multi_lang_1 = require("../../multi-lang");
exports.IS_INSTANCE = 'isInstance';
/**
* Checks if the value is an instance of the specified object.
*/
function isInstance(object, targetTypeConstructor) {
return (targetTypeConstructor && typeof targetTypeConstructor === 'function' && object instanceof targetTypeConstructor);
}
exports.isInstance = isInstance;
/**
* Checks if the value is an instance of the specified object.
*/
function IsInstance(targetType, validationOptions) {
return (0, ValidateBy_1.ValidateBy)({
name: exports.IS_INSTANCE,
constraints: [targetType],
validator: {
validate: (value, args) => isInstance(value, args === null || args === void 0 ? void 0 : args.constraints[0]),
defaultMessage: (0, ValidateBy_1.buildMessage)((eachPrefix, args) => {
if (args === null || args === void 0 ? void 0 : args.constraints[0]) {
return (eachPrefix +
(0, multi_lang_1.getText)(`$property must be an instance of $constraint`).replace('$constraint', args.constraints[0].name));
}
else {
return (eachPrefix +
(0, multi_lang_1.getText)(`$IS_INSTANCE decorator expects and object as value, but got falsy value.`).replace('$IS_INSTANCE', exports.IS_INSTANCE));
}
}, validationOptions),
},
}, validationOptions);
}
exports.IsInstance = IsInstance;
//# sourceMappingURL=IsInstance.js.map