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- function _toConsumableArray(arr) { return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread(); }
- function _nonIterableSpread() { throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
- function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
- function _iterableToArray(iter) { if (typeof Symbol !== "undefined" && Symbol.iterator in Object(iter)) return Array.from(iter); }
- function _arrayWithoutHoles(arr) { if (Array.isArray(arr)) return _arrayLikeToArray(arr); }
- function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }
- var identity = function identity(i) {
- return i;
- };
- export var PLACE_HOLDER = {
- '@@functional/placeholder': true
- };
- var isPlaceHolder = function isPlaceHolder(val) {
- return val === PLACE_HOLDER;
- };
- var curry0 = function curry0(fn) {
- return function _curried() {
- if (arguments.length === 0 || arguments.length === 1 && isPlaceHolder(arguments.length <= 0 ? undefined : arguments[0])) {
- return _curried;
- }
- return fn.apply(void 0, arguments);
- };
- };
- var curryN = function curryN(n, fn) {
- if (n === 1) {
- return fn;
- }
- return curry0(function () {
- for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
- args[_key] = arguments[_key];
- }
- var argsLength = args.filter(function (arg) {
- return arg !== PLACE_HOLDER;
- }).length;
- if (argsLength >= n) {
- return fn.apply(void 0, args);
- }
- return curryN(n - argsLength, curry0(function () {
- for (var _len2 = arguments.length, restArgs = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
- restArgs[_key2] = arguments[_key2];
- }
- var newArgs = args.map(function (arg) {
- return isPlaceHolder(arg) ? restArgs.shift() : arg;
- });
- return fn.apply(void 0, _toConsumableArray(newArgs).concat(restArgs));
- }));
- });
- };
- export var curry = function curry(fn) {
- return curryN(fn.length, fn);
- };
- export var range = function range(begin, end) {
- var arr = [];
- for (var i = begin; i < end; ++i) {
- arr[i - begin] = i;
- }
- return arr;
- };
- export var map = curry(function (fn, arr) {
- if (Array.isArray(arr)) {
- return arr.map(fn);
- }
- return Object.keys(arr).map(function (key) {
- return arr[key];
- }).map(fn);
- });
- export var compose = function compose() {
- for (var _len3 = arguments.length, args = new Array(_len3), _key3 = 0; _key3 < _len3; _key3++) {
- args[_key3] = arguments[_key3];
- }
- if (!args.length) {
- return identity;
- }
- var fns = args.reverse(); // first function can receive multiply arguments
- var firstFn = fns[0];
- var tailsFn = fns.slice(1);
- return function () {
- return tailsFn.reduce(function (res, fn) {
- return fn(res);
- }, firstFn.apply(void 0, arguments));
- };
- };
- export var reverse = function reverse(arr) {
- if (Array.isArray(arr)) {
- return arr.reverse();
- } // can be string
- return arr.split('').reverse.join('');
- };
- export var memoize = function memoize(fn) {
- var lastArgs = null;
- var lastResult = null;
- return function () {
- for (var _len4 = arguments.length, args = new Array(_len4), _key4 = 0; _key4 < _len4; _key4++) {
- args[_key4] = arguments[_key4];
- }
- if (lastArgs && args.every(function (val, i) {
- return val === lastArgs[i];
- })) {
- return lastResult;
- }
- lastArgs = args;
- lastResult = fn.apply(void 0, args);
- return lastResult;
- };
- };
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