@valuer/fn/dist/index.js

Collection of function utils for Valuer

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
/** @private */
var applyTo = function (value) { return function (thunk) {
    return thunk(value);
}; };
var fn;
(function (fn) {
    /**
     * Get negated thunk
     * @param thunk Thunk to negate
     */
    fn.not = function (thunk) { return function (value) {
        return !thunk(value);
    }; };
    /**
     * Whether any of the thunks over the input returns `true`
     * @param thunks Thunks to pipe together
     */
    fn.any = function () {
        var thunks = [];
        for (var _i = 0; _i < arguments.length; _i++) {
            thunks[_i] = arguments[_i];
        }
        return function (value) {
            return thunks.some(applyTo(value));
        };
    };
    /**
     * Whether exactly one of the thunks over the input returns `true`
     * @param thunks Thunks to pipe together
     */
    fn.one = function () {
        var thunks = [];
        for (var _i = 0; _i < arguments.length; _i++) {
            thunks[_i] = arguments[_i];
        }
        return function (value) {
            return thunks.map(applyTo(value)).filter(Boolean).length === 1;
        };
    };
    /**
     * Whether all of the thunks over the input return `true`
     * @param thunks Thunks to pipe together
     */
    fn.all = function () {
        var thunks = [];
        for (var _i = 0; _i < arguments.length; _i++) {
            thunks[_i] = arguments[_i];
        }
        return fn.not(fn.any.apply(void 0, thunks.map(fn.not)));
    };
})(fn = exports.fn || (exports.fn = {}));