@converse/skeletor
Version:
Modernized Backbone with web components
1,596 lines (1,476 loc) • 425 kB
JavaScript
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
typeof define === 'function' && define.amd ? define(['exports'], factory) :
(global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory(global.skeletor = {}));
})(this, (function (exports) { 'use strict';
/** Detect free variable `global` from Node.js. */
var freeGlobal = typeof global == 'object' && global && global.Object === Object && global;
/** Detect free variable `self`. */
var freeSelf = typeof self == 'object' && self && self.Object === Object && self;
/** Used as a reference to the global object. */
var root$1 = freeGlobal || freeSelf || Function('return this')();
/** Built-in value references. */
var Symbol$1 = root$1.Symbol;
/**
* A specialized version of `_.map` for arrays without support for iteratee
* shorthands.
*
* @private
* @param {Array} [array] The array to iterate over.
* @param {Function} iteratee The function invoked per iteration.
* @returns {Array} Returns the new mapped array.
*/
function arrayMap(array, iteratee) {
var index = -1,
length = array == null ? 0 : array.length,
result = Array(length);
while (++index < length) {
result[index] = iteratee(array[index], index, array);
}
return result;
}
/**
* Checks if `value` is classified as an `Array` object.
*
* @static
* @memberOf _
* @since 0.1.0
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is an array, else `false`.
* @example
*
* _.isArray([1, 2, 3]);
* // => true
*
* _.isArray(document.body.children);
* // => false
*
* _.isArray('abc');
* // => false
*
* _.isArray(_.noop);
* // => false
*/
var isArray = Array.isArray;
/** Used for built-in method references. */
var objectProto$l = Object.prototype;
/** Used to check objects for own properties. */
var hasOwnProperty$h = objectProto$l.hasOwnProperty;
/**
* Used to resolve the
* [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
* of values.
*/
var nativeObjectToString$2 = objectProto$l.toString;
/** Built-in value references. */
var symToStringTag$1 = Symbol$1 ? Symbol$1.toStringTag : undefined;
/**
* A specialized version of `baseGetTag` which ignores `Symbol.toStringTag` values.
*
* @private
* @param {*} value The value to query.
* @returns {string} Returns the raw `toStringTag`.
*/
function getRawTag(value) {
var isOwn = hasOwnProperty$h.call(value, symToStringTag$1),
tag = value[symToStringTag$1];
try {
value[symToStringTag$1] = undefined;
var unmasked = true;
} catch (e) {}
var result = nativeObjectToString$2.call(value);
if (unmasked) {
if (isOwn) {
value[symToStringTag$1] = tag;
} else {
delete value[symToStringTag$1];
}
}
return result;
}
/** Used for built-in method references. */
var objectProto$k = Object.prototype;
/**
* Used to resolve the
* [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
* of values.
*/
var nativeObjectToString$1 = objectProto$k.toString;
/**
* Converts `value` to a string using `Object.prototype.toString`.
*
* @private
* @param {*} value The value to convert.
* @returns {string} Returns the converted string.
*/
function objectToString(value) {
return nativeObjectToString$1.call(value);
}
/** `Object#toString` result references. */
var nullTag = '[object Null]',
undefinedTag = '[object Undefined]';
/** Built-in value references. */
var symToStringTag = Symbol$1 ? Symbol$1.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);
}
/**
* 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';
}
/** `Object#toString` result references. */
var symbolTag$3 = '[object Symbol]';
/**
* Checks if `value` is classified as a `Symbol` primitive or object.
*
* @static
* @memberOf _
* @since 4.0.0
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is a symbol, else `false`.
* @example
*
* _.isSymbol(Symbol.iterator);
* // => true
*
* _.isSymbol('abc');
* // => false
*/
function isSymbol(value) {
return typeof value == 'symbol' || isObjectLike(value) && baseGetTag(value) == symbolTag$3;
}
/** Used to convert symbols to primitives and strings. */
var symbolProto$2 = Symbol$1 ? Symbol$1.prototype : undefined,
symbolToString = symbolProto$2 ? symbolProto$2.toString : undefined;
/**
* The base implementation of `_.toString` which doesn't convert nullish
* values to empty strings.
*
* @private
* @param {*} value The value to process.
* @returns {string} Returns the string.
*/
function baseToString(value) {
// Exit early for strings to avoid a performance hit in some environments.
if (typeof value == 'string') {
return value;
}
if (isArray(value)) {
// Recursively convert values (susceptible to call stack limits).
return arrayMap(value, baseToString) + '';
}
if (isSymbol(value)) {
return symbolToString ? symbolToString.call(value) : '';
}
var result = value + '';
return result == '0' && 1 / value == -Infinity ? '-0' : result;
}
/**
* Converts `value` to a string. An empty string is returned for `null`
* and `undefined` values. The sign of `-0` is preserved.
*
* @static
* @memberOf _
* @since 4.0.0
* @category Lang
* @param {*} value The value to convert.
* @returns {string} Returns the converted string.
* @example
*
* _.toString(null);
* // => ''
*
* _.toString(-0);
* // => '-0'
*
* _.toString([1, 2, 3]);
* // => '1,2,3'
*/
function toString$2(value) {
return value == null ? '' : baseToString(value);
}
/** Used to generate unique IDs. */
var idCounter = 0;
/**
* Generates a unique ID. If `prefix` is given, the ID is appended to it.
*
* @static
* @since 0.1.0
* @memberOf _
* @category Util
* @param {string} [prefix=''] The value to prefix the ID with.
* @returns {string} Returns the unique ID.
* @example
*
* _.uniqueId('contact_');
* // => 'contact_104'
*
* _.uniqueId();
* // => '105'
*/
function uniqueId(prefix) {
var id = ++idCounter;
return toString$2(prefix) + id;
}
/**
* @license
* Copyright 2017 Google LLC
* SPDX-License-Identifier: BSD-3-Clause
*/
const t = globalThis,
i = t.trustedTypes,
s = i ? i.createPolicy("lit-html", {
createHTML: t => t
}) : void 0,
e = "$lit$",
h = `lit$${Math.random().toFixed(9).slice(2)}$`,
o = "?" + h,
n = `<${o}>`,
r = document,
l = () => r.createComment(""),
c = t => null === t || "object" != typeof t && "function" != typeof t,
a = Array.isArray,
u = t => a(t) || "function" == typeof (t === null || t === void 0 ? void 0 : t[Symbol.iterator]),
d = "[ \t\n\f\r]",
f = /<(?:(!--|\/[^a-zA-Z])|(\/?[a-zA-Z][^>\s]*)|(\/?$))/g,
v = /-->/g,
_ = />/g,
m = RegExp(`>|${d}(?:([^\\s"'>=/]+)(${d}*=${d}*(?:[^ \t\n\f\r"'\`<>=]|("|')|))|$)`, "g"),
p = /'/g,
g = /"/g,
$ = /^(?:script|style|textarea|title)$/i,
T = Symbol.for("lit-noChange"),
E = Symbol.for("lit-nothing"),
A = new WeakMap(),
C = r.createTreeWalker(r, 129);
function P(t, i) {
if (!a(t) || !t.hasOwnProperty("raw")) throw Error("invalid template strings array");
return void 0 !== s ? s.createHTML(i) : i;
}
const V = (t, i) => {
const s = t.length - 1,
o = [];
let r,
l = 2 === i ? "<svg>" : 3 === i ? "<math>" : "",
c = f;
for (let i = 0; i < s; i++) {
const s = t[i];
let a,
u,
d = -1,
y = 0;
for (; y < s.length && (c.lastIndex = y, u = c.exec(s), null !== u);) {
var _r;
y = c.lastIndex, c === f ? "!--" === u[1] ? c = v : void 0 !== u[1] ? c = _ : void 0 !== u[2] ? ($.test(u[2]) && (r = RegExp("</" + u[2], "g")), c = m) : void 0 !== u[3] && (c = m) : c === m ? ">" === u[0] ? (c = (_r = r) !== null && _r !== void 0 ? _r : f, d = -1) : void 0 === u[1] ? d = -2 : (d = c.lastIndex - u[2].length, a = u[1], c = void 0 === u[3] ? m : '"' === u[3] ? g : p) : c === g || c === p ? c = m : c === v || c === _ ? c = f : (c = m, r = void 0);
}
const x = c === m && t[i + 1].startsWith("/>") ? " " : "";
l += c === f ? s + n : d >= 0 ? (o.push(a), s.slice(0, d) + e + s.slice(d) + h + x) : s + h + (-2 === d ? i : x);
}
return [P(t, l + (t[s] || "<?>") + (2 === i ? "</svg>" : 3 === i ? "</math>" : "")), o];
};
class N {
constructor({
strings: t,
_$litType$: s
}, n) {
let r;
this.parts = [];
let c = 0,
a = 0;
const u = t.length - 1,
d = this.parts,
[f, v] = V(t, s);
if (this.el = N.createElement(f, n), C.currentNode = this.el.content, 2 === s || 3 === s) {
const t = this.el.content.firstChild;
t.replaceWith(...t.childNodes);
}
for (; null !== (r = C.nextNode()) && d.length < u;) {
if (1 === r.nodeType) {
if (r.hasAttributes()) for (const t of r.getAttributeNames()) if (t.endsWith(e)) {
const i = v[a++],
s = r.getAttribute(t).split(h),
e = /([.?@])?(.*)/.exec(i);
d.push({
type: 1,
index: c,
name: e[2],
strings: s,
ctor: "." === e[1] ? H : "?" === e[1] ? I : "@" === e[1] ? L : k
}), r.removeAttribute(t);
} else t.startsWith(h) && (d.push({
type: 6,
index: c
}), r.removeAttribute(t));
if ($.test(r.tagName)) {
const t = r.textContent.split(h),
s = t.length - 1;
if (s > 0) {
r.textContent = i ? i.emptyScript : "";
for (let i = 0; i < s; i++) r.append(t[i], l()), C.nextNode(), d.push({
type: 2,
index: ++c
});
r.append(t[s], l());
}
}
} else if (8 === r.nodeType) if (r.data === o) d.push({
type: 2,
index: c
});else {
let t = -1;
for (; -1 !== (t = r.data.indexOf(h, t + 1));) d.push({
type: 7,
index: c
}), t += h.length - 1;
}
c++;
}
}
static createElement(t, i) {
const s = r.createElement("template");
return s.innerHTML = t, s;
}
}
function S(t, i, s = t, e) {
var _s$_$Co, _h, _h2, _h2$_$AO;
if (i === T) return i;
let h = void 0 !== e ? (_s$_$Co = s._$Co) === null || _s$_$Co === void 0 ? void 0 : _s$_$Co[e] : s._$Cl;
const o = c(i) ? void 0 : i._$litDirective$;
return ((_h = h) === null || _h === void 0 ? void 0 : _h.constructor) !== o && ((_h2 = h) !== null && _h2 !== void 0 && (_h2$_$AO = _h2._$AO) !== null && _h2$_$AO !== void 0 && _h2$_$AO.call(_h2, false), void 0 === o ? h = void 0 : (h = new o(t), h._$AT(t, s, e)), void 0 !== e ? (s._$Co ??= [])[e] = h : s._$Cl = h), void 0 !== h && (i = S(t, h._$AS(t, i.values), h, e)), i;
}
class M {
constructor(t, i) {
this._$AV = [], this._$AN = void 0, this._$AD = t, this._$AM = i;
}
get parentNode() {
return this._$AM.parentNode;
}
get _$AU() {
return this._$AM._$AU;
}
u(t) {
var _t$creationScope;
const {
el: {
content: i
},
parts: s
} = this._$AD,
e = ((_t$creationScope = t === null || t === void 0 ? void 0 : t.creationScope) !== null && _t$creationScope !== void 0 ? _t$creationScope : r).importNode(i, true);
C.currentNode = e;
let h = C.nextNode(),
o = 0,
n = 0,
l = s[0];
for (; void 0 !== l;) {
var _l;
if (o === l.index) {
let i;
2 === l.type ? i = new R(h, h.nextSibling, this, t) : 1 === l.type ? i = new l.ctor(h, l.name, l.strings, this, t) : 6 === l.type && (i = new z(h, this, t)), this._$AV.push(i), l = s[++n];
}
o !== ((_l = l) === null || _l === void 0 ? void 0 : _l.index) && (h = C.nextNode(), o++);
}
return C.currentNode = r, e;
}
p(t) {
let i = 0;
for (const s of this._$AV) void 0 !== s && (void 0 !== s.strings ? (s._$AI(t, s, i), i += s.strings.length - 2) : s._$AI(t[i])), i++;
}
}
class R {
get _$AU() {
var _this$_$AM$_$AU, _this$_$AM;
return (_this$_$AM$_$AU = (_this$_$AM = this._$AM) === null || _this$_$AM === void 0 ? void 0 : _this$_$AM._$AU) !== null && _this$_$AM$_$AU !== void 0 ? _this$_$AM$_$AU : this._$Cv;
}
constructor(t, i, s, e) {
var _e$isConnected;
this.type = 2, this._$AH = E, this._$AN = void 0, this._$AA = t, this._$AB = i, this._$AM = s, this.options = e, this._$Cv = (_e$isConnected = e === null || e === void 0 ? void 0 : e.isConnected) !== null && _e$isConnected !== void 0 ? _e$isConnected : true;
}
get parentNode() {
var _t;
let t = this._$AA.parentNode;
const i = this._$AM;
return void 0 !== i && 11 === ((_t = t) === null || _t === void 0 ? void 0 : _t.nodeType) && (t = i.parentNode), t;
}
get startNode() {
return this._$AA;
}
get endNode() {
return this._$AB;
}
_$AI(t, i = this) {
t = S(this, t, i), c(t) ? t === E || null == t || "" === t ? (this._$AH !== E && this._$AR(), this._$AH = E) : t !== this._$AH && t !== T && this._(t) : void 0 !== t._$litType$ ? this.$(t) : void 0 !== t.nodeType ? this.T(t) : u(t) ? this.k(t) : this._(t);
}
O(t) {
return this._$AA.parentNode.insertBefore(t, this._$AB);
}
T(t) {
this._$AH !== t && (this._$AR(), this._$AH = this.O(t));
}
_(t) {
this._$AH !== E && c(this._$AH) ? this._$AA.nextSibling.data = t : this.T(r.createTextNode(t)), this._$AH = t;
}
$(t) {
var _this$_$AH;
const {
values: i,
_$litType$: s
} = t,
e = "number" == typeof s ? this._$AC(t) : (void 0 === s.el && (s.el = N.createElement(P(s.h, s.h[0]), this.options)), s);
if (((_this$_$AH = this._$AH) === null || _this$_$AH === void 0 ? void 0 : _this$_$AH._$AD) === e) this._$AH.p(i);else {
const t = new M(e, this),
s = t.u(this.options);
t.p(i), this.T(s), this._$AH = t;
}
}
_$AC(t) {
let i = A.get(t.strings);
return void 0 === i && A.set(t.strings, i = new N(t)), i;
}
k(t) {
a(this._$AH) || (this._$AH = [], this._$AR());
const i = this._$AH;
let s,
e = 0;
for (const h of t) e === i.length ? i.push(s = new R(this.O(l()), this.O(l()), this, this.options)) : s = i[e], s._$AI(h), e++;
e < i.length && (this._$AR(s && s._$AB.nextSibling, e), i.length = e);
}
_$AR(t = this._$AA.nextSibling, i) {
for ((_this$_$AP = this._$AP) === null || _this$_$AP === void 0 ? void 0 : _this$_$AP.call(this, false, true, i); t && t !== this._$AB;) {
var _this$_$AP;
const i = t.nextSibling;
t.remove(), t = i;
}
}
setConnected(t) {
var _this$_$AP2;
void 0 === this._$AM && (this._$Cv = t, (_this$_$AP2 = this._$AP) === null || _this$_$AP2 === void 0 ? void 0 : _this$_$AP2.call(this, t));
}
}
class k {
get tagName() {
return this.element.tagName;
}
get _$AU() {
return this._$AM._$AU;
}
constructor(t, i, s, e, h) {
this.type = 1, this._$AH = E, this._$AN = void 0, this.element = t, this.name = i, this._$AM = e, this.options = h, s.length > 2 || "" !== s[0] || "" !== s[1] ? (this._$AH = Array(s.length - 1).fill(new String()), this.strings = s) : this._$AH = E;
}
_$AI(t, i = this, s, e) {
const h = this.strings;
let o = false;
if (void 0 === h) t = S(this, t, i, 0), o = !c(t) || t !== this._$AH && t !== T, o && (this._$AH = t);else {
const e = t;
let n, r;
for (t = h[0], n = 0; n < h.length - 1; n++) {
var _r2;
r = S(this, e[s + n], i, n), r === T && (r = this._$AH[n]), o ||= !c(r) || r !== this._$AH[n], r === E ? t = E : t !== E && (t += ((_r2 = r) !== null && _r2 !== void 0 ? _r2 : "") + h[n + 1]), this._$AH[n] = r;
}
}
o && !e && this.j(t);
}
j(t) {
t === E ? this.element.removeAttribute(this.name) : this.element.setAttribute(this.name, t !== null && t !== void 0 ? t : "");
}
}
class H extends k {
constructor() {
super(...arguments), this.type = 3;
}
j(t) {
this.element[this.name] = t === E ? void 0 : t;
}
}
class I extends k {
constructor() {
super(...arguments), this.type = 4;
}
j(t) {
this.element.toggleAttribute(this.name, !!t && t !== E);
}
}
class L extends k {
constructor(t, i, s, e, h) {
super(t, i, s, e, h), this.type = 5;
}
_$AI(t, i = this) {
var _S;
if ((t = (_S = S(this, t, i, 0)) !== null && _S !== void 0 ? _S : E) === T) return;
const s = this._$AH,
e = t === E && s !== E || t.capture !== s.capture || t.once !== s.once || t.passive !== s.passive,
h = t !== E && (s === E || e);
e && this.element.removeEventListener(this.name, this, s), h && this.element.addEventListener(this.name, this, t), this._$AH = t;
}
handleEvent(t) {
var _this$options$host, _this$options;
"function" == typeof this._$AH ? this._$AH.call((_this$options$host = (_this$options = this.options) === null || _this$options === void 0 ? void 0 : _this$options.host) !== null && _this$options$host !== void 0 ? _this$options$host : this.element, t) : this._$AH.handleEvent(t);
}
}
class z {
constructor(t, i, s) {
this.element = t, this.type = 6, this._$AN = void 0, this._$AM = i, this.options = s;
}
get _$AU() {
return this._$AM._$AU;
}
_$AI(t) {
S(this, t);
}
}
const j = t.litHtmlPolyfillSupport;
j !== null && j !== void 0 && j(N, R), (t.litHtmlVersions ??= []).push("3.2.1");
const B = (t, i, s) => {
var _s$renderBefore;
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let h = e._$litPart$;
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e._$litPart$ = h = new R(i.insertBefore(l(), t), t, void 0, {});
}
return h._$AI(t), h;
};
/** Used for built-in method references. */
var objectProto$j = Object.prototype;
/**
* Checks if `value` is likely a prototype object.
*
* @private
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is a prototype, else `false`.
*/
function isPrototype(value) {
var Ctor = value && value.constructor,
proto = typeof Ctor == 'function' && Ctor.prototype || objectProto$j;
return value === proto;
}
/**
* Creates a unary function that invokes `func` with its argument transformed.
*
* @private
* @param {Function} func The function to wrap.
* @param {Function} transform The argument transform.
* @returns {Function} Returns the new function.
*/
function overArg(func, transform) {
return function (arg) {
return func(transform(arg));
};
}
/* Built-in method references for those with the same name as other `lodash` methods. */
var nativeKeys = overArg(Object.keys, Object);
/** Used for built-in method references. */
var objectProto$i = Object.prototype;
/** Used to check objects for own properties. */
var hasOwnProperty$g = objectProto$i.hasOwnProperty;
/**
* The base implementation of `_.keys` which doesn't treat sparse arrays as dense.
*
* @private
* @param {Object} object The object to query.
* @returns {Array} Returns the array of property names.
*/
function baseKeys(object) {
if (!isPrototype(object)) {
return nativeKeys(object);
}
var result = [];
for (var key in Object(object)) {
if (hasOwnProperty$g.call(object, key) && key != 'constructor') {
result.push(key);
}
}
return result;
}
/**
* 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$1(value) {
var type = typeof value;
return value != null && (type == 'object' || type == 'function');
}
/** `Object#toString` result references. */
var asyncTag = '[object AsyncFunction]',
funcTag$2 = '[object Function]',
genTag$1 = '[object GeneratorFunction]',
proxyTag = '[object Proxy]';
/**
* Checks if `value` is classified as a `Function` object.
*
* @static
* @memberOf _
* @since 0.1.0
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is a function, else `false`.
* @example
*
* _.isFunction(_);
* // => true
*
* _.isFunction(/abc/);
* // => false
*/
function isFunction(value) {
if (!isObject$1(value)) {
return false;
}
// The use of `Object#toString` avoids issues with the `typeof` operator
// in Safari 9 which returns 'object' for typed arrays and other constructors.
var tag = baseGetTag(value);
return tag == funcTag$2 || tag == genTag$1 || tag == asyncTag || tag == proxyTag;
}
/** Used to detect overreaching core-js shims. */
var coreJsData = root$1['__core-js_shared__'];
/** Used to detect methods masquerading as native. */
var maskSrcKey = function () {
var uid = /[^.]+$/.exec(coreJsData && coreJsData.keys && coreJsData.keys.IE_PROTO || '');
return uid ? 'Symbol(src)_1.' + uid : '';
}();
/**
* Checks if `func` has its source masked.
*
* @private
* @param {Function} func The function to check.
* @returns {boolean} Returns `true` if `func` is masked, else `false`.
*/
function isMasked(func) {
return !!maskSrcKey && maskSrcKey in func;
}
/** Used for built-in method references. */
var funcProto$2 = Function.prototype;
/** Used to resolve the decompiled source of functions. */
var funcToString$2 = funcProto$2.toString;
/**
* Converts `func` to its source code.
*
* @private
* @param {Function} func The function to convert.
* @returns {string} Returns the source code.
*/
function toSource(func) {
if (func != null) {
try {
return funcToString$2.call(func);
} catch (e) {}
try {
return func + '';
} catch (e) {}
}
return '';
}
/**
* Used to match `RegExp`
* [syntax characters](http://ecma-international.org/ecma-262/7.0/#sec-patterns).
*/
var reRegExpChar = /[\\^$.*+?()[\]{}|]/g;
/** Used to detect host constructors (Safari). */
var reIsHostCtor = /^\[object .+?Constructor\]$/;
/** Used for built-in method references. */
var funcProto$1 = Function.prototype,
objectProto$h = Object.prototype;
/** Used to resolve the decompiled source of functions. */
var funcToString$1 = funcProto$1.toString;
/** Used to check objects for own properties. */
var hasOwnProperty$f = objectProto$h.hasOwnProperty;
/** Used to detect if a method is native. */
var reIsNative = RegExp('^' + funcToString$1.call(hasOwnProperty$f).replace(reRegExpChar, '\\$&').replace(/hasOwnProperty|(function).*?(?=\\\()| for .+?(?=\\\])/g, '$1.*?') + '$');
/**
* The base implementation of `_.isNative` without bad shim checks.
*
* @private
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is a native function,
* else `false`.
*/
function baseIsNative(value) {
if (!isObject$1(value) || isMasked(value)) {
return false;
}
var pattern = isFunction(value) ? reIsNative : reIsHostCtor;
return pattern.test(toSource(value));
}
/**
* Gets the value at `key` of `object`.
*
* @private
* @param {Object} [object] The object to query.
* @param {string} key The key of the property to get.
* @returns {*} Returns the property value.
*/
function getValue(object, key) {
return object == null ? undefined : object[key];
}
/**
* 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;
}
/* Built-in method references that are verified to be native. */
var DataView = getNative(root$1, 'DataView');
/* Built-in method references that are verified to be native. */
var Map = getNative(root$1, 'Map');
/* Built-in method references that are verified to be native. */
var Promise$1 = getNative(root$1, 'Promise');
/* Built-in method references that are verified to be native. */
var Set = getNative(root$1, 'Set');
/* Built-in method references that are verified to be native. */
var WeakMap$1 = getNative(root$1, 'WeakMap');
/** `Object#toString` result references. */
var mapTag$6 = '[object Map]',
objectTag$4 = '[object Object]',
promiseTag = '[object Promise]',
setTag$6 = '[object Set]',
weakMapTag$2 = '[object WeakMap]';
var dataViewTag$4 = '[object DataView]';
/** Used to detect maps, sets, and weakmaps. */
var dataViewCtorString = toSource(DataView),
mapCtorString = toSource(Map),
promiseCtorString = toSource(Promise$1),
setCtorString = toSource(Set),
weakMapCtorString = toSource(WeakMap$1);
/**
* Gets the `toStringTag` of `value`.
*
* @private
* @param {*} value The value to query.
* @returns {string} Returns the `toStringTag`.
*/
var getTag = baseGetTag;
// Fallback for data views, maps, sets, and weak maps in IE 11 and promises in Node.js < 6.
if (DataView && getTag(new DataView(new ArrayBuffer(1))) != dataViewTag$4 || Map && getTag(new Map()) != mapTag$6 || Promise$1 && getTag(Promise$1.resolve()) != promiseTag || Set && getTag(new Set()) != setTag$6 || WeakMap$1 && getTag(new WeakMap$1()) != weakMapTag$2) {
getTag = function (value) {
var result = baseGetTag(value),
Ctor = result == objectTag$4 ? value.constructor : undefined,
ctorString = Ctor ? toSource(Ctor) : '';
if (ctorString) {
switch (ctorString) {
case dataViewCtorString:
return dataViewTag$4;
case mapCtorString:
return mapTag$6;
case promiseCtorString:
return promiseTag;
case setCtorString:
return setTag$6;
case weakMapCtorString:
return weakMapTag$2;
}
}
return result;
};
}
/** `Object#toString` result references. */
var argsTag$3 = '[object Arguments]';
/**
* The base implementation of `_.isArguments`.
*
* @private
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is an `arguments` object,
*/
function baseIsArguments(value) {
return isObjectLike(value) && baseGetTag(value) == argsTag$3;
}
/** Used for built-in method references. */
var objectProto$g = Object.prototype;
/** Used to check objects for own properties. */
var hasOwnProperty$e = objectProto$g.hasOwnProperty;
/** Built-in value references. */
var propertyIsEnumerable$1 = objectProto$g.propertyIsEnumerable;
/**
* Checks if `value` is likely an `arguments` object.
*
* @static
* @memberOf _
* @since 0.1.0
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is an `arguments` object,
* else `false`.
* @example
*
* _.isArguments(function() { return arguments; }());
* // => true
*
* _.isArguments([1, 2, 3]);
* // => false
*/
var isArguments = baseIsArguments(function () {
return arguments;
}()) ? baseIsArguments : function (value) {
return isObjectLike(value) && hasOwnProperty$e.call(value, 'callee') && !propertyIsEnumerable$1.call(value, 'callee');
};
/** Used as references for various `Number` constants. */
var MAX_SAFE_INTEGER$1 = 9007199254740991;
/**
* Checks if `value` is a valid array-like length.
*
* **Note:** This method is loosely based on
* [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).
*
* @static
* @memberOf _
* @since 4.0.0
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is a valid length, else `false`.
* @example
*
* _.isLength(3);
* // => true
*
* _.isLength(Number.MIN_VALUE);
* // => false
*
* _.isLength(Infinity);
* // => false
*
* _.isLength('3');
* // => false
*/
function isLength(value) {
return typeof value == 'number' && value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER$1;
}
/**
* 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);
}
/**
* This method returns `false`.
*
* @static
* @memberOf _
* @since 4.13.0
* @category Util
* @returns {boolean} Returns `false`.
* @example
*
* _.times(2, _.stubFalse);
* // => [false, false]
*/
function stubFalse() {
return false;
}
/** Detect free variable `exports`. */
var freeExports$2 = typeof exports == 'object' && exports && !exports.nodeType && exports;
/** Detect free variable `module`. */
var freeModule$2 = freeExports$2 && typeof module == 'object' && module && !module.nodeType && module;
/** Detect the popular CommonJS extension `module.exports`. */
var moduleExports$2 = freeModule$2 && freeModule$2.exports === freeExports$2;
/** Built-in value references. */
var Buffer$1 = moduleExports$2 ? root$1.Buffer : undefined;
/* Built-in method references for those with the same name as other `lodash` methods. */
var nativeIsBuffer = Buffer$1 ? Buffer$1.isBuffer : undefined;
/**
* Checks if `value` is a buffer.
*
* @static
* @memberOf _
* @since 4.3.0
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is a buffer, else `false`.
* @example
*
* _.isBuffer(new Buffer(2));
* // => true
*
* _.isBuffer(new Uint8Array(2));
* // => false
*/
var isBuffer = nativeIsBuffer || stubFalse;
/** `Object#toString` result references. */
var argsTag$2 = '[object Arguments]',
arrayTag$2 = '[object Array]',
boolTag$3 = '[object Boolean]',
dateTag$3 = '[object Date]',
errorTag$2 = '[object Error]',
funcTag$1 = '[object Function]',
mapTag$5 = '[object Map]',
numberTag$3 = '[object Number]',
objectTag$3 = '[object Object]',
regexpTag$3 = '[object RegExp]',
setTag$5 = '[object Set]',
stringTag$4 = '[object String]',
weakMapTag$1 = '[object WeakMap]';
var arrayBufferTag$3 = '[object ArrayBuffer]',
dataViewTag$3 = '[object DataView]',
float32Tag$2 = '[object Float32Array]',
float64Tag$2 = '[object Float64Array]',
int8Tag$2 = '[object Int8Array]',
int16Tag$2 = '[object Int16Array]',
int32Tag$2 = '[object Int32Array]',
uint8Tag$2 = '[object Uint8Array]',
uint8ClampedTag$2 = '[object Uint8ClampedArray]',
uint16Tag$2 = '[object Uint16Array]',
uint32Tag$2 = '[object Uint32Array]';
/** Used to identify `toStringTag` values of typed arrays. */
var typedArrayTags = {};
typedArrayTags[float32Tag$2] = typedArrayTags[float64Tag$2] = typedArrayTags[int8Tag$2] = typedArrayTags[int16Tag$2] = typedArrayTags[int32Tag$2] = typedArrayTags[uint8Tag$2] = typedArrayTags[uint8ClampedTag$2] = typedArrayTags[uint16Tag$2] = typedArrayTags[uint32Tag$2] = true;
typedArrayTags[argsTag$2] = typedArrayTags[arrayTag$2] = typedArrayTags[arrayBufferTag$3] = typedArrayTags[boolTag$3] = typedArrayTags[dataViewTag$3] = typedArrayTags[dateTag$3] = typedArrayTags[errorTag$2] = typedArrayTags[funcTag$1] = typedArrayTags[mapTag$5] = typedArrayTags[numberTag$3] = typedArrayTags[objectTag$3] = typedArrayTags[regexpTag$3] = typedArrayTags[setTag$5] = typedArrayTags[stringTag$4] = typedArrayTags[weakMapTag$1] = false;
/**
* The base implementation of `_.isTypedArray` without Node.js optimizations.
*
* @private
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is a typed array, else `false`.
*/
function baseIsTypedArray(value) {
return isObjectLike(value) && isLength(value.length) && !!typedArrayTags[baseGetTag(value)];
}
/**
* The base implementation of `_.unary` without support for storing metadata.
*
* @private
* @param {Function} func The function to cap arguments for.
* @returns {Function} Returns the new capped function.
*/
function baseUnary(func) {
return function (value) {
return func(value);
};
}
/** Detect free variable `exports`. */
var freeExports$1 = typeof exports == 'object' && exports && !exports.nodeType && exports;
/** Detect free variable `module`. */
var freeModule$1 = freeExports$1 && typeof module == 'object' && module && !module.nodeType && module;
/** Detect the popular CommonJS extension `module.exports`. */
var moduleExports$1 = freeModule$1 && freeModule$1.exports === freeExports$1;
/** Detect free variable `process` from Node.js. */
var freeProcess = moduleExports$1 && freeGlobal.process;
/** Used to access faster Node.js helpers. */
var nodeUtil = function () {
try {
// Use `util.types` for Node.js 10+.
var types = freeModule$1 && freeModule$1.require && freeModule$1.require('util').types;
if (types) {
return types;
}
// Legacy `process.binding('util')` for Node.js < 10.
return freeProcess && freeProcess.binding && freeProcess.binding('util');
} catch (e) {}
}();
/* Node.js helper references. */
var nodeIsTypedArray = nodeUtil && nodeUtil.isTypedArray;
/**
* Checks if `value` is classified as a typed array.
*
* @static
* @memberOf _
* @since 3.0.0
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is a typed array, else `false`.
* @example
*
* _.isTypedArray(new Uint8Array);
* // => true
*
* _.isTypedArray([]);
* // => false
*/
var isTypedArray = nodeIsTypedArray ? baseUnary(nodeIsTypedArray) : baseIsTypedArray;
/** `Object#toString` result references. */
var mapTag$4 = '[object Map]',
setTag$4 = '[object Set]';
/** Used for built-in method references. */
var objectProto$f = Object.prototype;
/** Used to check objects for own properties. */
var hasOwnProperty$d = objectProto$f.hasOwnProperty;
/**
* Checks if `value` is an empty object, collection, map, or set.
*
* Objects are considered empty if they have no own enumerable string keyed
* properties.
*
* Array-like values such as `arguments` objects, arrays, buffers, strings, or
* jQuery-like collections are considered empty if they have a `length` of `0`.
* Similarly, maps and sets are considered empty if they have a `size` of `0`.
*
* @static
* @memberOf _
* @since 0.1.0
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is empty, else `false`.
* @example
*
* _.isEmpty(null);
* // => true
*
* _.isEmpty(true);
* // => true
*
* _.isEmpty(1);
* // => true
*
* _.isEmpty([1, 2, 3]);
* // => false
*
* _.isEmpty({ 'a': 1 });
* // => false
*/
function isEmpty(value) {
if (value == null) {
return true;
}
if (isArrayLike(value) && (isArray(value) || typeof value == 'string' || typeof value.splice == 'function' || isBuffer(value) || isTypedArray(value) || isArguments(value))) {
return !value.length;
}
var tag = getTag(value);
if (tag == mapTag$4 || tag == setTag$4) {
return !value.size;
}
if (isPrototype(value)) {
return !baseKeys(value).length;
}
for (var key in value) {
if (hasOwnProperty$d.call(value, key)) {
return false;
}
}
return true;
}
/**
* The base implementation of `_.times` without support for iteratee shorthands
* or max array length checks.
*
* @private
* @param {number} n The number of times to invoke `iteratee`.
* @param {Function} iteratee The function invoked per iteration.
* @returns {Array} Returns the array of results.
*/
function baseTimes(n, iteratee) {
var index = -1,
result = Array(n);
while (++index < n) {
result[index] = iteratee(index);
}
return result;
}
/** Used as references for various `Number` constants. */
var MAX_SAFE_INTEGER = 9007199254740991;
/** Used to detect unsigned integer values. */
var reIsUint = /^(?:0|[1-9]\d*)$/;
/**
* Checks if `value` is a valid array-like index.
*
* @private
* @param {*} value The value to check.
* @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.
* @returns {boolean} Returns `true` if `value` is a valid index, else `false`.
*/
function isIndex(value, length) {
var type = typeof value;
length = length == null ? MAX_SAFE_INTEGER : length;
return !!length && (type == 'number' || type != 'symbol' && reIsUint.test(value)) && value > -1 && value % 1 == 0 && value < length;
}
/** Used for built-in method references. */
var objectProto$e = Object.prototype;
/** Used to check objects for own properties. */
var hasOwnProperty$c = objectProto$e.hasOwnProperty;
/**
* Creates an array of the enumerable property names of the array-like `value`.
*
* @private
* @param {*} value The value to query.
* @param {boolean} inherited Specify returning inherited property names.
* @returns {Array} Returns the array of property names.
*/
function arrayLikeKeys(value, inherited) {
var isArr = isArray(value),
isArg = !isArr && isArguments(value),
isBuff = !isArr && !isArg && isBuffer(value),
isType = !isArr && !isArg && !isBuff && isTypedArray(value),
skipIndexes = isArr || isArg || isBuff || isType,
result = skipIndexes ? baseTimes(value.length, String) : [],
length = result.length;
for (var key in value) {
if ((inherited || hasOwnProperty$c.call(value, key)) && !(skipIndexes && (
// Safari 9 has enumerable `arguments.length` in strict mode.
key == 'length' ||
// Node.js 0.10 has enumerable non-index properties on buffers.
isBuff && (key == 'offset' || key == 'parent') ||
// PhantomJS 2 has enumerable non-index properties on typed arrays.
isType && (key == 'buffer' || key == 'byteLength' || key == 'byteOffset') ||
// Skip index properties.
isIndex(key, length)))) {
result.push(key);
}
}
return result;
}
/**
* Creates an array of the own enumerable property names of `object`.
*
* **Note:** Non-object values are coerced to objects. See the
* [ES spec](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)
* for more details.
*
* @static
* @since 0.1.0
* @memberOf _
* @category Object
* @param {Object} object The object to query.
* @returns {Array} Returns the array of property names.
* @example
*
* function Foo() {
* this.a = 1;
* this.b = 2;
* }
*
* Foo.prototype.c = 3;
*
* _.keys(new Foo);
* // => ['a', 'b'] (iteration order is not guaranteed)
*
* _.keys('hi');
* // => ['0', '1']
*/
function keys$2(object) {
return isArrayLike(object) ? arrayLikeKeys(object) : baseKeys(object);
}
/** Used to match a single whitespace character. */
var reWhitespace = /\s/;
/**
* Used by `_.trim` and `_.trimEnd` to get the index of the last non-whitespace
* character of `string`.
*
* @private
* @param {string} string The string to inspect.
* @returns {number} Returns the index of the last non-whitespace character.
*/
function trimmedEndIndex(string) {
var index = string.length;
while (index-- && reWhitespace.test(string.charAt(index))) {}
return index;
}
/** Used to match leading whitespace. */
var reTrimStart = /^\s+/;
/**
* The base implementation of `_.trim`.
*
* @private
* @param {string} string The string to trim.
* @returns {string} Returns the trimmed string.
*/
function baseTrim(string) {
return string ? string.slice(0, trimmedEndIndex(string) + 1).replace(reTrimStart, '') : string;
}
/** Used as references for various `Number` constants. */
var NAN = 0 / 0;
/** Used to detect bad signed hexadecimal string values. */
var reIsBadHex = /^[-+]0x[0-9a-f]+$/i;
/** Used to detect binary string values. */
var reIsBinary = /^0b[01]+$/i;
/** Used to detect octal string values. */
var reIsOctal = /^0o[0-7]+$/i;
/** Built-in method references without a dependency on `root`. */
var freeParseInt = parseInt;
/**
* Converts `value` to a number.
*
* @static
* @memberOf _
* @since 4.0.0
* @category Lang
* @param {*} value The value to process.
* @returns {number} Returns the number.
* @example
*
* _.toNumber(3.2);
* // => 3.2
*
* _.toNumber(Number.MIN_VALUE);
* // => 5e-324
*
* _.toNumber(Infinity);
* // => Infinity
*
* _.toNumber('3.2');
* // => 3.2
*/
function toNumber$1(value) {
if (typeof value == 'number') {
return value;
}
if (isSymbol(value)) {
return NAN;
}
if (isObject$1(value)) {
var other = typeof value.valueOf == 'function' ? value.valueOf() : value;
value = isObject$1(other) ? other + '' : other;
}
if (typeof value != 'string') {
return value === 0 ? value : +value;
}
value = baseTrim(value);
var isBinary = reIsBinary.test(value);
return isBinary || reIsOctal.test(value) ? freeParseInt(value.slice(2), isBinary ? 2 : 8) : reIsBadHex.test(value) ? NAN : +value;
}
/** Used as references for various `Number` constants. */
var INFINITY = 1 / 0,
MAX_INTEGER = 1.7976931348623157e+308;
/**
* Converts `value` to a finite number.
*
* @static
* @memberOf _
* @since 4.12.0
* @category Lang
* @param {*} value The value to convert.
* @returns {number} Returns the converted number.
* @example
*
* _.toFinite(3.2);
* // => 3.2
*
* _.toFinite(Number.MIN_VALUE);
* // => 5e-324
*
* _.toFinite(Infinity);
* // => 1.7976931348623157e+308
*
* _.toFinite('3.2');
* // => 3.2
*/
function toFinite(value) {
if (!value) {
return value === 0 ? value : 0;
}
value = toNumber$1(value);
if (value === INFINITY || value === -Infinity) {
var sign = value < 0 ? -1 : 1;
return sign * MAX_INTEGER;
}
return value === value ? value : 0;
}
/**
* Converts `value` to an integer.
*
* **Note:** This method is loosely based on
* [`ToInteger`](http://www.ecma-international.org/ecma-262/7.0/#sec-tointeger).
*
* @static
* @memberOf _
* @since 4.0.0
* @category Lang
* @param {*} value The value to convert.
* @returns {number} Returns the converted integer.
* @example
*
* _.toInteger(3.2);
* // => 3
*
* _.toInteger(Number.MIN_VALUE);
* // => 0
*
* _.toInteger(Infinity);
* // => 1.7976931348623157e+308
*
* _.toInteger('3.2');
* // => 3
*/
function toInteger(value) {
var result = toFinite(value),
remainder = result % 1;
return result === result ? remainder ? result - remainder : result : 0;
}
/** Error message constants. */
var FUNC_ERROR_TEXT$3 = 'Expected a function';
/**
* Creates a function that invokes `func`, with the `this` binding and arguments
* of the created function, while it's called less than `n` times. Subsequent
* calls to the created function return the result of the last `func` invocation.
*
* @static
* @memberOf _
* @since 3.0.0
* @category Function
* @param {number} n The number of calls at which `func` is no longer invoked.
* @param {Function} func The function to restrict.
* @returns {Function} Returns the new restricted function.
* @example
*
* jQuery(element).on('click', _.before(5, addContactToList));
* // => Allows adding up to 4 contacts to the list.
*/
function before(n, func) {
var result;
if (typeof func != 'function') {
throw new TypeError(FUNC_ERROR_TEXT$3);
}
n = toInteger(n);
return function () {
if (--n > 0) {
result = func.apply(this, arguments);
}
if (n <= 1) {
func = undefined;
}
return result;
};
}
/**
* Creates a function that is restricted to invoking `func` once. Repeat calls
* to the function return the value of the first invocation. The `func` is
* invoked with the `this` binding and arguments of the created function.
*
* @static
* @memberOf _
* @since 0.1.0
* @category Function
* @param {Function} func The function to restrict.
* @returns {Function} Returns the new restricted function.
* @example
*
* var initialize = _.once(createApplication);
* initialize();
* initialize();
* // => `createApplication` is invoked once
*/
function once(func) {
return before(2, func);
}
// Regular expression used to split event strings.
const eventSplitter = /\s+/;
/**
* Iterates over the standard `event, callback` (as well as the fancy multiple
* space-separated events `"change blur", callback` and jQuery-style event
* maps `{event: callback}`).
*/
function eventsApi(iteratee, events, name, callback, opts) {
let i = 0,
names;
if (name && typeof name === 'object') {
// Handle event maps.
if (callback !== undefined && 'context' in opts && opts.context === undefined) opts.context = callback;
for (names = keys$2(name); i < names.length; i++) {
events = eventsApi(iteratee, events, names[i], name[names[i]], opts);
}
} else if (name && eventSplitter.test(name)) {
// Handle space-separated event names by delegating them individually.
for (names = name.split(eventSplitter); i < names.length; i++) {
events = iteratee(events, names[i], callback, opts);
}
} else {
// Finally, standard events.
events = iteratee(events, name, callback, opts);
}
return events;
}
// The reducing API that adds a callback to the `events` object.
function onApi(events, name, callback, options) {
if (callback) {
const handlers = events[name] || (events[name] = []);
const context = options.context,
ctx = options.ctx,
listening = options.listening;
if (listening) listening.count++;
handlers.push({
callback,
context,
ctx: context || ctx,
listening
});
}
return events;
}
/**
* An try-catch guarded #on function, to prevent poisoning the global
* `_listening` variable.
* @param {any} obj
* @param {string} name
* @param {Function} callback
* @param {any} contex