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flow.js
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/*!
* Webflow: Front-end site library
* @license MIT
* Inline scripts may access the api using an async handler:
* var Webflow = Webflow || [];
* Webflow.push(readyFunction);
*/
/******/ (function(modules) { // webpackBootstrap
/******/ // The module cache
/******/ var installedModules = {};
/******/
/******/ // The require function
/******/ function __webpack_require__(moduleId) {
/******/
/******/ // Check if module is in cache
/******/ if(installedModules[moduleId]) {
/******/ return installedModules[moduleId].exports;
/******/ }
/******/ // Create a new module (and put it into the cache)
/******/ var module = installedModules[moduleId] = {
/******/ i: moduleId,
/******/ l: false,
/******/ exports: {}
/******/ };
/******/
/******/ // Execute the module function
/******/ modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);
/******/
/******/ // Flag the module as loaded
/******/ module.l = true;
/******/
/******/ // Return the exports of the module
/******/ return module.exports;
/******/ }
/******/
/******/
/******/ // expose the modules object (__webpack_modules__)
/******/ __webpack_require__.m = modules;
/******/
/******/ // expose the module cache
/******/ __webpack_require__.c = installedModules;
/******/
/******/ // define getter function for harmony exports
/******/ __webpack_require__.d = function(exports, name, getter) {
/******/ if(!__webpack_require__.o(exports, name)) {
/******/ Object.defineProperty(exports, name, { enumerable: true, get: getter });
/******/ }
/******/ };
/******/
/******/ // define __esModule on exports
/******/ __webpack_require__.r = function(exports) {
/******/ if(typeof Symbol !== 'undefined' && Symbol.toStringTag) {
/******/ Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });
/******/ }
/******/ Object.defineProperty(exports, '__esModule', { value: true });
/******/ };
/******/
/******/ // create a fake namespace object
/******/ // mode & 1: value is a module id, require it
/******/ // mode & 2: merge all properties of value into the ns
/******/ // mode & 4: return value when already ns object
/******/ // mode & 8|1: behave like require
/******/ __webpack_require__.t = function(value, mode) {
/******/ if(mode & 1) value = __webpack_require__(value);
/******/ if(mode & 8) return value;
/******/ if((mode & 4) && typeof value === 'object' && value && value.__esModule) return value;
/******/ var ns = Object.create(null);
/******/ __webpack_require__.r(ns);
/******/ Object.defineProperty(ns, 'default', { enumerable: true, value: value });
/******/ if(mode & 2 && typeof value != 'string') for(var key in value) __webpack_require__.d(ns, key, function(key) { return value[key]; }.bind(null, key));
/******/ return ns;
/******/ };
/******/
/******/ // getDefaultExport function for compatibility with non-harmony modules
/******/ __webpack_require__.n = function(module) {
/******/ var getter = module && module.__esModule ?
/******/ function getDefault() { return module['default']; } :
/******/ function getModuleExports() { return module; };
/******/ __webpack_require__.d(getter, 'a', getter);
/******/ return getter;
/******/ };
/******/
/******/ // Object.prototype.hasOwnProperty.call
/******/ __webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };
/******/
/******/ // __webpack_public_path__
/******/ __webpack_require__.p = "";
/******/
/******/
/******/ // Load entry module and return exports
/******/ return __webpack_require__(__webpack_require__.s = 103);
/******/ })
/************************************************************************/
/******/ ([
/* 0 */
/***/ (function(module, exports) {
function _interopRequireDefault(obj) {
return obj && obj.__esModule ? obj : {
"default": obj
};
}
module.exports = _interopRequireDefault;
/***/ }),
/* 1 */
/***/ (function(module, exports) {
/**
* Checks if `value` is classified as an `Array` object.
*
* @static
* @memberOf _
* @since 0.1.0
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is an array, else `false`.
* @example
*
* _.isArray([1, 2, 3]);
* // => true
*
* _.isArray(document.body.children);
* // => false
*
* _.isArray('abc');
* // => false
*
* _.isArray(_.noop);
* // => false
*/
var isArray = Array.isArray;
module.exports = isArray;
/***/ }),
/* 2 */
/***/ (function(module, exports, __webpack_require__) {
"use strict";
var _interopRequireWildcard = __webpack_require__(18);
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.IX2VanillaUtils = exports.IX2VanillaPlugins = exports.IX2ElementsReducer = exports.IX2EngineConstants = exports.IX2EngineActionTypes = exports.IX2EasingUtils = exports.IX2Easings = exports.IX2BrowserSupport = void 0;
var IX2BrowserSupport = _interopRequireWildcard(__webpack_require__(32));
exports.IX2BrowserSupport = IX2BrowserSupport;
var IX2Easings = _interopRequireWildcard(__webpack_require__(85));
exports.IX2Easings = IX2Easings;
var IX2EasingUtils = _interopRequireWildcard(__webpack_require__(87));
exports.IX2EasingUtils = IX2EasingUtils;
var IX2EngineActionTypes = _interopRequireWildcard(__webpack_require__(89));
exports.IX2EngineActionTypes = IX2EngineActionTypes;
var IX2EngineConstants = _interopRequireWildcard(__webpack_require__(49));
exports.IX2EngineConstants = IX2EngineConstants;
var IX2ElementsReducer = _interopRequireWildcard(__webpack_require__(191));
exports.IX2ElementsReducer = IX2ElementsReducer;
var IX2VanillaPlugins = _interopRequireWildcard(__webpack_require__(90));
exports.IX2VanillaPlugins = IX2VanillaPlugins;
var IX2VanillaUtils = _interopRequireWildcard(__webpack_require__(200));
exports.IX2VanillaUtils = IX2VanillaUtils;
/***/ }),
/* 3 */
/***/ (function(module, exports, __webpack_require__) {
var freeGlobal = __webpack_require__(67);
/** Detect free variable `self`. */
var freeSelf = typeof self == 'object' && self && self.Object === Object && self;
/** Used as a reference to the global object. */
var root = freeGlobal || freeSelf || Function('return this')();
module.exports = root;
/***/ }),
/* 4 */
/***/ (function(module, exports) {
/**
* Checks if `value` is the
* [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)
* of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)
*
* @static
* @memberOf _
* @since 0.1.0
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is an object, else `false`.
* @example
*
* _.isObject({});
* // => true
*
* _.isObject([1, 2, 3]);
* // => true
*
* _.isObject(_.noop);
* // => true
*
* _.isObject(null);
* // => false
*/
function isObject(value) {
var type = typeof value;
return value != null && (type == 'object' || type == 'function');
}
module.exports = isObject;
/***/ }),
/* 5 */
/***/ (function(module, exports) {
function _defineProperty(obj, key, value) {
if (key in obj) {
Object.defineProperty(obj, key, {
value: value,
enumerable: true,
configurable: true,
writable: true
});
} else {
obj[key] = value;
}
return obj;
}
module.exports = _defineProperty;
/***/ }),
/* 6 */
/***/ (function(module, exports, __webpack_require__) {
"use strict";
// @wf-will-never-add-flow-to-this-file
/* globals window, document, navigator, WEBFLOW_ENV_TEST */
/* eslint-disable no-var */
/**
* Webflow: Core site library
*/
var Webflow = {};
var modules = {};
var primary = [];
var secondary = window.Webflow || [];
var $ = window.jQuery;
var $win = $(window);
var $doc = $(document);
var isFunction = $.isFunction;
var _ = Webflow._ = __webpack_require__(105);
var tram = Webflow.tram = __webpack_require__(54) && $.tram;
var domready = false;
var destroyed = false;
tram.config.hideBackface = false;
tram.config.keepInherited = true;
/**
* Webflow.define - Define a named module
* @param {string} name
* @param {function} factory
* @param {object} options
* @return {object}
*/
Webflow.define = function (name, factory, options) {
if (modules[name]) {
unbindModule(modules[name]);
}
var instance = modules[name] = factory($, _, options) || {};
bindModule(instance);
return instance;
};
/**
* Webflow.require - Require a named module
* @param {string} name
* @return {object}
*/
Webflow.require = function (name) {
return modules[name];
};
function bindModule(module) {
// If running in Webflow app, subscribe to design/preview events
if (Webflow.env()) {
isFunction(module.design) && $win.on('__wf_design', module.design);
isFunction(module.preview) && $win.on('__wf_preview', module.preview);
} // Subscribe to front-end destroy event
isFunction(module.destroy) && $win.on('__wf_destroy', module.destroy); // Look for ready method on module
if (module.ready && isFunction(module.ready)) {
addReady(module);
}
}
function addReady(module) {
// If domready has already happened, run ready method
if (domready) {
module.ready();
return;
} // Otherwise add ready method to the primary queue (only once)
if (_.contains(primary, module.ready)) {
return;
}
primary.push(module.ready);
}
function unbindModule(module) {
// Unsubscribe module from window events
isFunction(module.design) && $win.off('__wf_design', module.design);
isFunction(module.preview) && $win.off('__wf_preview', module.preview);
isFunction(module.destroy) && $win.off('__wf_destroy', module.destroy); // Remove ready method from primary queue
if (module.ready && isFunction(module.ready)) {
removeReady(module);
}
}
function removeReady(module) {
primary = _.filter(primary, function (readyFn) {
return readyFn !== module.ready;
});
}
/**
* Webflow.push - Add a ready handler into secondary queue
* @param {function} ready Callback to invoke on domready
*/
Webflow.push = function (ready) {
// If domready has already happened, invoke handler
if (domready) {
isFunction(ready) && ready();
return;
} // Otherwise push into secondary queue
secondary.push(ready);
};
/**
* Webflow.env - Get the state of the Webflow app
* @param {string} mode [optional]
* @return {boolean}
*/
Webflow.env = function (mode) {
var designFlag = window.__wf_design;
var inApp = typeof designFlag !== 'undefined';
if (!mode) {
return inApp;
}
if (mode === 'design') {
return inApp && designFlag;
}
if (mode === 'preview') {
return inApp && !designFlag;
}
if (mode === 'slug') {
return inApp && window.__wf_slug;
}
if (mode === 'editor') {
return window.WebflowEditor;
}
if (mode === 'test') {
return false || window.__wf_test;
}
if (mode === 'frame') {
return window !== window.top;
}
}; // Feature detects + browser sniffs ಠ_à²
var userAgent = navigator.userAgent.toLowerCase();
var touch = Webflow.env.touch = 'ontouchstart' in window || window.DocumentTouch && document instanceof window.DocumentTouch;
var chrome = Webflow.env.chrome = /chrome/.test(userAgent) && /Google/.test(navigator.vendor) && parseInt(userAgent.match(/chrome\/(\d+)\./)[1], 10);
var ios = Webflow.env.ios = /(ipod|iphone|ipad)/.test(userAgent);
Webflow.env.safari = /safari/.test(userAgent) && !chrome && !ios; // Maintain current touch target to prevent late clicks on touch devices
var touchTarget; // Listen for both events to support touch/mouse hybrid devices
touch && $doc.on('touchstart mousedown', function (evt) {
touchTarget = evt.target;
});
/**
* Webflow.validClick - validate click target against current touch target
* @param {HTMLElement} clickTarget Element being clicked
* @return {Boolean} True if click target is valid (always true on non-touch)
*/
Webflow.validClick = touch ? function (clickTarget) {
return clickTarget === touchTarget || $.contains(clickTarget, touchTarget);
} : function () {
return true;
};
/**
* Webflow.resize, Webflow.scroll - throttled event proxies
*/
var resizeEvents = 'resize.webflow orientationchange.webflow load.webflow';
var scrollEvents = 'scroll.webflow ' + resizeEvents;
Webflow.resize = eventProxy($win, resizeEvents);
Webflow.scroll = eventProxy($win, scrollEvents);
Webflow.redraw = eventProxy(); // Create a proxy instance for throttled events
function eventProxy(target, types) {
// Set up throttled method (using custom frame-based _.throttle)
var handlers = [];
var proxy = {};
proxy.up = _.throttle(function (evt) {
_.each(handlers, function (h) {
h(evt);
});
}); // Bind events to target
if (target && types) {
target.on(types, proxy.up);
}
/**
* Add an event handler
* @param {function} handler
*/
proxy.on = function (handler) {
if (typeof handler !== 'function') {
return;
}
if (_.contains(handlers, handler)) {
return;
}
handlers.push(handler);
};
/**
* Remove an event handler
* @param {function} handler
*/
proxy.off = function (handler) {
// If no arguments supplied, clear all handlers
if (!arguments.length) {
handlers = [];
return;
} // Otherwise, remove handler from the list
handlers = _.filter(handlers, function (h) {
return h !== handler;
});
};
return proxy;
} // Webflow.location - Wrap window.location in api
Webflow.location = function (url) {
window.location = url;
};
if (Webflow.env()) {
// Ignore redirects inside a Webflow design/edit environment
Webflow.location = function () {};
} // Webflow.ready - Call primary and secondary handlers
Webflow.ready = function () {
domready = true; // Restore modules after destroy
if (destroyed) {
restoreModules(); // Otherwise run primary ready methods
} else {
_.each(primary, callReady);
} // Run secondary ready methods
_.each(secondary, callReady); // Trigger resize
Webflow.resize.up();
};
function callReady(readyFn) {
isFunction(readyFn) && readyFn();
}
function restoreModules() {
destroyed = false;
_.each(modules, bindModule);
}
/**
* Webflow.load - Add a window load handler that will run even if load event has already happened
* @param {function} handler
*/
var deferLoad;
Webflow.load = function (handler) {
deferLoad.then(handler);
};
function bindLoad() {
// Reject any previous deferred (to support destroy)
if (deferLoad) {
deferLoad.reject();
$win.off('load', deferLoad.resolve);
} // Create deferred and bind window load event
deferLoad = new $.Deferred();
$win.on('load', deferLoad.resolve);
} // Webflow.destroy - Trigger a destroy event for all modules
Webflow.destroy = function (options) {
options = options || {};
destroyed = true;
$win.triggerHandler('__wf_destroy'); // Allow domready reset for tests
if (options.domready != null) {
domready = options.domready;
} // Unbind modules
_.each(modules, unbindModule); // Clear any proxy event handlers
Webflow.resize.off();
Webflow.scroll.off();
Webflow.redraw.off(); // Clear any queued ready methods
primary = [];
secondary = []; // If load event has not yet fired, replace the deferred
if (deferLoad.state() === 'pending') {
bindLoad();
}
}; // Listen for domready
$(Webflow.ready); // Listen for window.onload and resolve deferred
bindLoad(); // Export commonjs module
module.exports = window.Webflow = Webflow;
/***/ }),
/* 7 */
/***/ (function(module, exports, __webpack_require__) {
var baseMatches = __webpack_require__(123),
baseMatchesProperty = __webpack_require__(177),
identity = __webpack_require__(46),
isArray = __webpack_require__(1),
property = __webpack_require__(184);
/**
* The base implementation of `_.iteratee`.
*
* @private
* @param {*} [value=_.identity] The value to convert to an iteratee.
* @returns {Function} Returns the iteratee.
*/
function baseIteratee(value) {
// Don't store the `typeof` result in a variable to avoid a JIT bug in Safari 9.
// See https://bugs.webkit.org/show_bug.cgi?id=156034 for more details.
if (typeof value == 'function') {
return value;
}
if (value == null) {
return identity;
}
if (typeof value == 'object') {
return isArray(value)
? baseMatchesProperty(value[0], value[1])
: baseMatches(value);
}
return property(value);
}
module.exports = baseIteratee;
/***/ }),
/* 8 */
/***/ (function(module, exports, __webpack_require__) {
var baseIsNative = __webpack_require__(135),
getValue = __webpack_require__(140);
/**
* Gets the native function at `key` of `object`.
*
* @private
* @param {Object} object The object to query.
* @param {string} key The key of the method to get.
* @returns {*} Returns the function if it's native, else `undefined`.
*/
function getNative(object, key) {
var value = getValue(object, key);
return baseIsNative(value) ? value : undefined;
}
module.exports = getNative;
/***/ }),
/* 9 */
/***/ (function(module, exports) {
/**
* Checks if `value` is object-like. A value is object-like if it's not `null`
* and has a `typeof` result of "object".
*
* @static
* @memberOf _
* @since 4.0.0
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is object-like, else `false`.
* @example
*
* _.isObjectLike({});
* // => true
*
* _.isObjectLike([1, 2, 3]);
* // => true
*
* _.isObjectLike(_.noop);
* // => false
*
* _.isObjectLike(null);
* // => false
*/
function isObjectLike(value) {
return value != null && typeof value == 'object';
}
module.exports = isObjectLike;
/***/ }),
/* 10 */
/***/ (function(module, exports, __webpack_require__) {
var Symbol = __webpack_require__(13),
getRawTag = __webpack_require__(136),
objectToString = __webpack_require__(137);
/** `Object#toString` result references. */
var nullTag = '[object Null]',
undefinedTag = '[object Undefined]';
/** Built-in value references. */
var symToStringTag = Symbol ? Symbol.toStringTag : undefined;
/**
* The base implementation of `getTag` without fallbacks for buggy environments.
*
* @private
* @param {*} value The value to query.
* @returns {string} Returns the `toStringTag`.
*/
function baseGetTag(value) {
if (value == null) {
return value === undefined ? undefinedTag : nullTag;
}
return (symToStringTag && symToStringTag in Object(value))
? getRawTag(value)
: objectToString(value);
}
module.exports = baseGetTag;
/***/ }),
/* 11 */
/***/ (function(module, exports, __webpack_require__) {
var isFunction = __webpack_require__(66),
isLength = __webpack_require__(40);
/**
* Checks if `value` is array-like. A value is considered array-like if it's
* not a function and has a `value.length` that's an integer greater than or
* equal to `0` and less than or equal to `Number.MAX_SAFE_INTEGER`.
*
* @static
* @memberOf _
* @since 4.0.0
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is array-like, else `false`.
* @example
*
* _.isArrayLike([1, 2, 3]);
* // => true
*
* _.isArrayLike(document.body.children);
* // => true
*
* _.isArrayLike('abc');
* // => true
*
* _.isArrayLike(_.noop);
* // => false
*/
function isArrayLike(value) {
return value != null && isLength(value.length) && !isFunction(value);
}
module.exports = isArrayLike;
/***/ }),
/* 12 */
/***/ (function(module, exports) {
function _extends() {
module.exports = _extends = Object.assign || function (target) {
for (var i = 1; i < arguments.length; i++) {
var source = arguments[i];
for (var key in source) {
if (Object.prototype.hasOwnProperty.call(source, key)) {
target[key] = source[key];
}
}
}
return target;
};
return _extends.apply(this, arguments);
}
module.exports = _extends;
/***/ }),
/* 13 */
/***/ (function(module, exports, __webpack_require__) {
var root = __webpack_require__(3);
/** Built-in value references. */
var Symbol = root.Symbol;
module.exports = Symbol;
/***/ }),
/* 14 */
/***/ (function(module, exports, __webpack_require__) {
var isSymbol = __webpack_require__(27);
/** Used as references for various `Number` constants. */
var INFINITY = 1 / 0;
/**
* Converts `value` to a string key if it's not a string or symbol.
*
* @private
* @param {*} value The value to inspect.
* @returns {string|symbol} Returns the key.
*/
function toKey(value) {
if (typeof value == 'string' || isSymbol(value)) {
return value;
}
var result = (value + '');
return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;
}
module.exports = toKey;
/***/ }),
/* 15 */
/***/ (function(module, exports, __webpack_require__) {
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
exports.clone = clone;
exports.addLast = addLast;
exports.addFirst = addFirst;
exports.removeLast = removeLast;
exports.removeFirst = removeFirst;
exports.insert = insert;
exports.removeAt = removeAt;
exports.replaceAt = replaceAt;
exports.getIn = getIn;
exports.set = set;
exports.setIn = setIn;
exports.update = update;
exports.updateIn = updateIn;
exports.merge = merge;
exports.mergeDeep = mergeDeep;
exports.mergeIn = mergeIn;
exports.omit = omit;
exports.addDefaults = addDefaults;
/*!
* Timm
*
* Immutability helpers with fast reads and acceptable writes.
*
* @copyright Guillermo Grau Panea 2016
* @license MIT
*/
var INVALID_ARGS = 'INVALID_ARGS';
// ===============================================
// ### Helpers
// ===============================================
function throwStr(msg) {
throw new Error(msg);
}
function getKeysAndSymbols(obj) {
var keys = Object.keys(obj);
if (Object.getOwnPropertySymbols) {
return keys.concat(Object.getOwnPropertySymbols(obj));
}
return keys;
}
var hasOwnProperty = {}.hasOwnProperty;
function clone(obj) {
if (Array.isArray(obj)) return obj.slice();
var keys = getKeysAndSymbols(obj);
var out = {};
for (var i = 0; i < keys.length; i++) {
var key = keys[i];
out[key] = obj[key];
}
return out;
}
function doMerge(fAddDefaults, fDeep, first) {
var out = first;
!(out != null) && throwStr( false ? undefined : INVALID_ARGS);
var fChanged = false;
for (var _len = arguments.length, rest = Array(_len > 3 ? _len - 3 : 0), _key = 3; _key < _len; _key++) {
rest[_key - 3] = arguments[_key];
}
for (var idx = 0; idx < rest.length; idx++) {
var obj = rest[idx];
if (obj == null) continue;
var keys = getKeysAndSymbols(obj);
if (!keys.length) continue;
for (var j = 0; j <= keys.length; j++) {
var key = keys[j];
if (fAddDefaults && out[key] !== undefined) continue;
var nextVal = obj[key];
if (fDeep && isObject(out[key]) && isObject(nextVal)) {
nextVal = doMerge(fAddDefaults, fDeep, out[key], nextVal);
}
if (nextVal === undefined || nextVal === out[key]) continue;
if (!fChanged) {
fChanged = true;
out = clone(out);
}
out[key] = nextVal;
}
}
return out;
}
function isObject(o) {
var type = typeof o === 'undefined' ? 'undefined' : _typeof(o);
return o != null && (type === 'object' || type === 'function');
}
// _deepFreeze = (obj) ->
// Object.freeze obj
// for key in Object.getOwnPropertyNames obj
// val = obj[key]
// if isObject(val) and not Object.isFrozen val
// _deepFreeze val
// obj
// ===============================================
// -- ### Arrays
// ===============================================
// -- #### addLast()
// -- Returns a new array with an appended item or items.
// --
// -- Usage: `addLast<T>(array: Array<T>, val: Array<T>|T): Array<T>`
// --
// -- ```js
// -- arr = ['a', 'b']
// -- arr2 = addLast(arr, 'c')
// -- // ['a', 'b', 'c']
// -- arr2 === arr
// -- // false
// -- arr3 = addLast(arr, ['c', 'd'])
// -- // ['a', 'b', 'c', 'd']
// -- ```
// `array.concat(val)` also handles the scalar case,
// but is apparently very slow
function addLast(array, val) {
if (Array.isArray(val)) return array.concat(val);
return array.concat([val]);
}
// -- #### addFirst()
// -- Returns a new array with a prepended item or items.
// --
// -- Usage: `addFirst<T>(array: Array<T>, val: Array<T>|T): Array<T>`
// --
// -- ```js
// -- arr = ['a', 'b']
// -- arr2 = addFirst(arr, 'c')
// -- // ['c', 'a', 'b']
// -- arr2 === arr
// -- // false
// -- arr3 = addFirst(arr, ['c', 'd'])
// -- // ['c', 'd', 'a', 'b']
// -- ```
function addFirst(array, val) {
if (Array.isArray(val)) return val.concat(array);
return [val].concat(array);
}
// -- #### removeLast()
// -- Returns a new array removing the last item.
// --
// -- Usage: `removeLast<T>(array: Array<T>): Array<T>`
// --
// -- ```js
// -- arr = ['a', 'b']
// -- arr2 = removeLast(arr)
// -- // ['a']
// -- arr2 === arr
// -- // false