@shopify/react-form/dist/validation/validator.js

Manage react forms tersely and safely-typed with no magic using React hooks.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var predicates_1 = require("@shopify/predicates");
/**
 * A factory for creating reusable validation functions.
 *
 * ```tsx
 *  const isAColor = validator((input) => ['red', 'blue', 'green', 'yellow'].includes(input));
 *
 *  // the returned function takes an error string or a function to generate errors
 *  const colorField = useField({
 *    value: 'green',
 *    validates: isAColor((input) => `${input} is not a color`);
 *  })
 * ```
 *
 * By default validators will return true automatically if the value is empty (`null`, `undefined` or `''`). You can circumvent this by using the `skipOnEmpty` option.
 *
 * ```tsx
 *  const isAColor = validator(
 *    (input) => ['red', 'blue', 'green', 'yellow'].includes(input),
 *    {skipOnEmpty: false},
 *  );
 * ```
 *
 * @param matcher - a function that takes in an input and returns `true` if the value is valid, or `false` if it is not.
 * @param options - an optional configuration object.
 */
function validator(matcher, _a) {
    var _b = (_a === void 0 ? {} : _a).skipOnEmpty, skipOnEmpty = _b === void 0 ? true : _b;
    return function (errorContent) {
        return function (input) {
            if (skipOnEmpty && predicates_1.isEmpty(input)) {
                return;
            }
            var matches = matcher(input);
            if (matches) {
                return;
            }
            if (typeof errorContent === 'function') {
                return errorContent(input);
            }
            return errorContent;
        };
    };
}
exports.validator = validator;