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40 lines
1.2 KiB
JavaScript

"use strict";
const { validateValue } = require("@validatem/core");
const isString = require("@validatem/is-string");
const wrapError = require("./");
/*** Simple rules ***/
let rule = wrapError("This is a custom error message complaining that the value must be a string!", [ isString ]);
console.log(validateValue("hello world", [ rule ])); // hello world
try {
console.log(validateValue(42, [ rule ]));
} catch (error) {
console.log("Error occurred:", error.stack); /*
Error occurred: AggregrateValidationError: One or more validation errors occurred:
- At (root): This is a custom error message complaining that the value must be a string!
*/
}
/*** Combinators with properties, and preserving the original errors as well ***/
let objectRule = wrapError("Must be a valid thingem", {
a: [ isString ],
b: [ isString ]
}, { preserveOriginalErrors: true });
let objectA = { a: "hello", b: "world" };
console.log(validateValue(objectA, [ objectRule ])); // { a: 'hello', b: 'world' }
let objectB = { a: "hello", b: 42 };
console.log(validateValue(objectB, [ objectRule ])); /*
AggregrateValidationError: One or more validation errors occurred:
- At (root): Must be a valid thingem
- At b: Must be a string
*/