@nestjs/class-validator
Version:
Fork of the class-validator package. Decorator-based property validation for classes.
44 lines • 2.5 kB
JavaScript
;
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.Length = exports.length = exports.IS_LENGTH = void 0;
const isLength_1 = __importDefault(require("validator/lib/isLength"));
const ValidateBy_1 = require("../common/ValidateBy");
exports.IS_LENGTH = 'isLength';
/**
* Checks if the string's length falls in a range. Note: this function takes into account surrogate pairs.
* If given value is not a string, then it returns false.
*/
function length(value, min, max) {
return typeof value === 'string' && (0, isLength_1.default)(value, { min, max });
}
exports.length = length;
/**
* Checks if the string's length falls in a range. Note: this function takes into account surrogate pairs.
* If given value is not a string, then it returns false.
*/
function Length(min, max, validationOptions) {
return (0, ValidateBy_1.ValidateBy)({
name: exports.IS_LENGTH,
constraints: [min, max],
validator: {
validate: (value, args) => length(value, args === null || args === void 0 ? void 0 : args.constraints[0], args === null || args === void 0 ? void 0 : args.constraints[1]),
defaultMessage: (0, ValidateBy_1.buildMessage)((eachPrefix, args) => {
const isMinLength = (args === null || args === void 0 ? void 0 : args.constraints[0]) !== null && (args === null || args === void 0 ? void 0 : args.constraints[0]) !== undefined;
const isMaxLength = (args === null || args === void 0 ? void 0 : args.constraints[1]) !== null && (args === null || args === void 0 ? void 0 : args.constraints[1]) !== undefined;
if (isMinLength && (!args.value || args.value.length < args.constraints[0])) {
return eachPrefix + '$property must be longer than or equal to $constraint1 characters';
}
else if (isMaxLength && args.value.length > args.constraints[1]) {
return eachPrefix + '$property must be shorter than or equal to $constraint2 characters';
}
return (eachPrefix +
'$property must be longer than or equal to $constraint1 and shorter than or equal to $constraint2 characters');
}, validationOptions),
},
}, validationOptions);
}
exports.Length = Length;
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