define(["require", "exports"], function (require, exports) {
    "use strict";
    Object.defineProperty(exports, "__esModule", { value: true });
    function sedol() {
        return {
            validate: function (input) {
                if (input.value === '') {
                    return { valid: true };
                }
                var v = input.value.toUpperCase();
                if (!/^[0-9A-Z]{7}$/.test(v)) {
                    return { valid: false };
                }
                var weight = [1, 3, 1, 7, 3, 9, 1];
                var length = v.length;
                var sum = 0;
                for (var i = 0; i < length - 1; i++) {
                    sum += weight[i] * parseInt(v.charAt(i), 36);
                }
                sum = (10 - (sum % 10)) % 10;
                return { valid: "" + sum === v.charAt(length - 1) };
            },
        };
    }
    exports.default = sedol;
});