@taze-editor/taze-core
Version:
Taze Editor's core package - makes easier to create rich text editor
1,888 lines (1,665 loc) • 189 kB
JavaScript
'use strict';
Object.defineProperty(exports, '__esModule', { value: true });
var React = require('react');
var slateReact = require('slate-react');
var useDeepCompare = require('use-deep-compare');
var slate = require('slate');
var lodash = require('lodash');
var slateHistory = require('slate-history');
function _interopDefaultLegacy (e) { return e && typeof e === 'object' && 'default' in e ? e : { 'default': e }; }
var React__default = /*#__PURE__*/_interopDefaultLegacy(React);
function _extends() {
_extends = Object.assign ? Object.assign.bind() : 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);
}
const DefaultLeaf = ({
attributes,
children,
text,
leaf,
editor,
nodeProps,
...props
}) => /*#__PURE__*/React__default["default"].createElement("span", _extends({}, attributes, props), children);
var global$1 = (typeof global !== "undefined" ? global :
typeof self !== "undefined" ? self :
typeof window !== "undefined" ? window : {});
// shim for using process in browser
// based off https://github.com/defunctzombie/node-process/blob/master/browser.js
function defaultSetTimout() {
throw new Error('setTimeout has not been defined');
}
function defaultClearTimeout () {
throw new Error('clearTimeout has not been defined');
}
var cachedSetTimeout = defaultSetTimout;
var cachedClearTimeout = defaultClearTimeout;
if (typeof global$1.setTimeout === 'function') {
cachedSetTimeout = setTimeout;
}
if (typeof global$1.clearTimeout === 'function') {
cachedClearTimeout = clearTimeout;
}
function runTimeout(fun) {
if (cachedSetTimeout === setTimeout) {
//normal enviroments in sane situations
return setTimeout(fun, 0);
}
// if setTimeout wasn't available but was latter defined
if ((cachedSetTimeout === defaultSetTimout || !cachedSetTimeout) && setTimeout) {
cachedSetTimeout = setTimeout;
return setTimeout(fun, 0);
}
try {
// when when somebody has screwed with setTimeout but no I.E. maddness
return cachedSetTimeout(fun, 0);
} catch(e){
try {
// When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally
return cachedSetTimeout.call(null, fun, 0);
} catch(e){
// same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error
return cachedSetTimeout.call(this, fun, 0);
}
}
}
function runClearTimeout(marker) {
if (cachedClearTimeout === clearTimeout) {
//normal enviroments in sane situations
return clearTimeout(marker);
}
// if clearTimeout wasn't available but was latter defined
if ((cachedClearTimeout === defaultClearTimeout || !cachedClearTimeout) && clearTimeout) {
cachedClearTimeout = clearTimeout;
return clearTimeout(marker);
}
try {
// when when somebody has screwed with setTimeout but no I.E. maddness
return cachedClearTimeout(marker);
} catch (e){
try {
// When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally
return cachedClearTimeout.call(null, marker);
} catch (e){
// same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error.
// Some versions of I.E. have different rules for clearTimeout vs setTimeout
return cachedClearTimeout.call(this, marker);
}
}
}
var queue = [];
var draining = false;
var currentQueue;
var queueIndex = -1;
function cleanUpNextTick() {
if (!draining || !currentQueue) {
return;
}
draining = false;
if (currentQueue.length) {
queue = currentQueue.concat(queue);
} else {
queueIndex = -1;
}
if (queue.length) {
drainQueue();
}
}
function drainQueue() {
if (draining) {
return;
}
var timeout = runTimeout(cleanUpNextTick);
draining = true;
var len = queue.length;
while(len) {
currentQueue = queue;
queue = [];
while (++queueIndex < len) {
if (currentQueue) {
currentQueue[queueIndex].run();
}
}
queueIndex = -1;
len = queue.length;
}
currentQueue = null;
draining = false;
runClearTimeout(timeout);
}
function nextTick(fun) {
var args = new Array(arguments.length - 1);
if (arguments.length > 1) {
for (var i = 1; i < arguments.length; i++) {
args[i - 1] = arguments[i];
}
}
queue.push(new Item(fun, args));
if (queue.length === 1 && !draining) {
runTimeout(drainQueue);
}
}
// v8 likes predictible objects
function Item(fun, array) {
this.fun = fun;
this.array = array;
}
Item.prototype.run = function () {
this.fun.apply(null, this.array);
};
var title = 'browser';
var platform = 'browser';
var browser = true;
var env = {};
var argv = [];
var version = ''; // empty string to avoid regexp issues
var versions = {};
var release = {};
var config = {};
function noop() {}
var on = noop;
var addListener = noop;
var once = noop;
var off = noop;
var removeListener = noop;
var removeAllListeners = noop;
var emit = noop;
function binding(name) {
throw new Error('process.binding is not supported');
}
function cwd () { return '/' }
function chdir (dir) {
throw new Error('process.chdir is not supported');
}function umask() { return 0; }
// from https://github.com/kumavis/browser-process-hrtime/blob/master/index.js
var performance = global$1.performance || {};
var performanceNow =
performance.now ||
performance.mozNow ||
performance.msNow ||
performance.oNow ||
performance.webkitNow ||
function(){ return (new Date()).getTime() };
// generate timestamp or delta
// see http://nodejs.org/api/process.html#process_process_hrtime
function hrtime(previousTimestamp){
var clocktime = performanceNow.call(performance)*1e-3;
var seconds = Math.floor(clocktime);
var nanoseconds = Math.floor((clocktime%1)*1e9);
if (previousTimestamp) {
seconds = seconds - previousTimestamp[0];
nanoseconds = nanoseconds - previousTimestamp[1];
if (nanoseconds<0) {
seconds--;
nanoseconds += 1e9;
}
}
return [seconds,nanoseconds]
}
var startTime = new Date();
function uptime() {
var currentTime = new Date();
var dif = currentTime - startTime;
return dif / 1000;
}
var process = {
nextTick: nextTick,
title: title,
browser: browser,
env: env,
argv: argv,
version: version,
versions: versions,
on: on,
addListener: addListener,
once: once,
off: off,
removeListener: removeListener,
removeAllListeners: removeAllListeners,
emit: emit,
binding: binding,
cwd: cwd,
chdir: chdir,
umask: umask,
hrtime: hrtime,
platform: platform,
release: release,
config: config,
uptime: uptime
};
var commonjsGlobal = typeof globalThis !== 'undefined' ? globalThis : typeof window !== 'undefined' ? window : typeof global !== 'undefined' ? global : typeof self !== 'undefined' ? self : {};
function unwrapExports (x) {
return x && x.__esModule && Object.prototype.hasOwnProperty.call(x, 'default') ? x['default'] : x;
}
function createCommonjsModule(fn, module) {
return module = { exports: {} }, fn(module, module.exports), module.exports;
}
var shallow_1 = createCommonjsModule(function (module, exports) {
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 _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;
}
function _createForOfIteratorHelperLoose(o, allowArrayLike) {
var it = typeof Symbol !== "undefined" && o[Symbol.iterator] || o["@@iterator"];
if (it) return (it = it.call(o)).next.bind(it);
if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") {
if (it) o = it;
var i = 0;
return function () {
if (i >= o.length) return {
done: true
};
return {
done: false,
value: o[i++]
};
};
}
throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
}
function shallow$1(objA, objB) {
if (Object.is(objA, objB)) {
return true;
}
if (typeof objA !== 'object' || objA === null || typeof objB !== 'object' || objB === null) {
return false;
}
if (objA instanceof Map && objB instanceof Map) {
if (objA.size !== objB.size) return false;
for (var _iterator = _createForOfIteratorHelperLoose(objA), _step; !(_step = _iterator()).done;) {
var _step$value = _step.value,
key = _step$value[0],
value = _step$value[1];
if (!Object.is(value, objB.get(key))) {
return false;
}
}
return true;
}
if (objA instanceof Set && objB instanceof Set) {
if (objA.size !== objB.size) return false;
for (var _iterator2 = _createForOfIteratorHelperLoose(objA), _step2; !(_step2 = _iterator2()).done;) {
var _value = _step2.value;
if (!objB.has(_value)) {
return false;
}
}
return true;
}
var keysA = Object.keys(objA);
if (keysA.length !== Object.keys(objB).length) {
return false;
}
for (var i = 0; i < keysA.length; i++) {
if (!Object.prototype.hasOwnProperty.call(objB, keysA[i]) || !Object.is(objA[keysA[i]], objB[keysA[i]])) {
return false;
}
}
return true;
}
var shallow = (function (objA, objB) {
if (process.env.NODE_ENV !== 'production') {
console.warn("[DEPRECATED] Default export is deprecated. Instead use `import { shallow } from 'zustand/shallow'`.");
}
return shallow$1(objA, objB);
});
exports.default = shallow;
exports.shallow = shallow$1;
module.exports = shallow;
module.exports.shallow = shallow$1;
exports.default = module.exports;
});
var shallow_2 = shallow_1.shallow;
/**
* @see {@link Decorate}.
* Optimization: return undefined if empty list so Editable uses a memo.
*/
const pipeDecorate = (editor, decorateProp) => {
const decorates = editor.plugins.flatMap(plugin => {
var _plugin$decorate, _plugin$decorate2;
return (_plugin$decorate = (_plugin$decorate2 = plugin.decorate) === null || _plugin$decorate2 === void 0 ? void 0 : _plugin$decorate2.call(plugin, editor, plugin)) !== null && _plugin$decorate !== void 0 ? _plugin$decorate : [];
});
if (decorateProp) {
decorates.push(decorateProp);
}
if (!decorates.length) return;
return entry => {
let ranges = [];
const addRanges = newRanges => {
if (newRanges !== null && newRanges !== void 0 && newRanges.length) ranges = [...ranges, ...newRanges];
};
decorates.forEach(decorate => {
addRanges(decorate(entry));
});
return ranges;
};
};
const useDecorate = ({
editor
}) => {
const decorateMemo = React.useMemo(() => {
return pipeDecorate(editor);
}, [editor]);
const decorate = React.useMemo(() => {
if (!decorateMemo) return;
return entry => decorateMemo(entry);
}, [decorateMemo]);
return decorate;
};
const DOM_HANDLERS = [
// Clipboard Events
"onCopy", "onCopyCapture", "onCut", "onCutCapture", "onPaste", "onPasteCapture",
// Composition Events
"onCompositionEnd", "onCompositionEndCapture", "onCompositionStart", "onCompositionStartCapture", "onCompositionUpdate", "onCompositionUpdateCapture",
// Focus Events
"onFocus", "onFocusCapture", "onBlur", "onBlurCapture",
// Form Events
"onDOMBeforeInput", "onBeforeInput", "onBeforeInputCapture", "onInput", "onInputCapture", "onReset", "onResetCapture", "onSubmit", "onSubmitCapture", "onInvalid", "onInvalidCapture",
// Image Events
"onLoad", "onLoadCapture",
// Keyboard Events
"onKeyDown", "onKeyDownCapture", "onKeyPress", "onKeyPressCapture", "onKeyUp", "onKeyUpCapture",
// Media Events
"onAbort", "onAbortCapture", "onCanPlay", "onCanPlayCapture", "onCanPlayThrough", "onCanPlayThroughCapture", "onDurationChange", "onDurationChangeCapture", "onEmptied", "onEmptiedCapture", "onEncrypted", "onEncryptedCapture", "onEnded", "onEndedCapture", "onLoadedData", "onLoadedDataCapture", "onLoadedMetadata", "onLoadedMetadataCapture", "onLoadStart", "onLoadStartCapture", "onPause", "onPauseCapture", "onPlay", "onPlayCapture", "onPlaying", "onPlayingCapture", "onProgress", "onProgressCapture", "onRateChange", "onRateChangeCapture", "onSeeked", "onSeekedCapture", "onSeeking", "onSeekingCapture", "onStalled", "onStalledCapture", "onSuspend", "onSuspendCapture", "onTimeUpdate", "onTimeUpdateCapture", "onVolumeChange", "onVolumeChangeCapture", "onWaiting", "onWaitingCapture",
// MouseEvents
"onAuxClick", "onAuxClickCapture", "onClick", "onClickCapture", "onContextMenu", "onContextMenuCapture", "onDoubleClick", "onDoubleClickCapture", "onDrag", "onDragCapture", "onDragEnd", "onDragEndCapture", "onDragEnter", "onDragEnterCapture", "onDragExit", "onDragExitCapture", "onDragLeave", "onDragLeaveCapture", "onDragOver", "onDragOverCapture", "onDragStart", "onDragStartCapture", "onDrop", "onDropCapture", "onMouseDown", "onMouseDownCapture", "onMouseEnter", "onMouseLeave", "onMouseMove", "onMouseMoveCapture", "onMouseOut", "onMouseOutCapture", "onMouseOver", "onMouseOverCapture", "onMouseUp", "onMouseUpCapture",
// Selection Events
"onSelect", "onSelectCapture",
// Touch Events
"onTouchCancel", "onTouchCancelCapture", "onTouchEnd", "onTouchEndCapture", "onTouchMove", "onTouchMoveCapture", "onTouchStart", "onTouchStartCapture",
// Pointer Events
"onPointerDown", "onPointerDownCapture", "onPointerMove", "onPointerMoveCapture", "onPointerUp", "onPointerUpCapture", "onPointerCancel", "onPointerCancelCapture", "onPointerEnter", "onPointerEnterCapture", "onPointerLeave", "onPointerLeaveCapture", "onPointerOver", "onPointerOverCapture", "onPointerOut", "onPointerOutCapture", "onGotPointerCapture", "onGotPointerCaptureCapture", "onLostPointerCapture", "onLostPointerCaptureCapture",
// UI Events
"onScroll", "onScrollCapture",
// Wheel Events
"onWheel", "onWheelCapture",
// Animation Events
"onAnimationStart", "onAnimationStartCapture", "onAnimationEnd", "onAnimationEndCapture", "onAnimationIteration", "onAnimationIterationCapture",
// Transition Events
"onTransitionEnd", "onTransitionEndCapture"];
/**
* @returns whether the provided parameter is undefined.
*/
const isUndefined = obj => typeof obj === "undefined";
const isNull = obj => obj === null;
/**
* @returns whether the provided parameter is undefined or null.
*/
const isUndefinedOrNull = obj => isUndefined(obj) || isNull(obj);
/**
* @returns whether the provided parameter is defined.
*/
const isDefined = arg => !isUndefinedOrNull(arg);
/**
* Check if a value is a block `Element` object.
*/
const isBlock = (editor, value) => slate.Editor.isBlock(editor, value);
/**
* Match the object with a predicate object or function.
* If predicate is:
* - object: every predicate key/value should be in obj.
* - function: it should return true.
*/
const match = (obj, path, predicate) => {
if (!predicate) return true;
if (typeof predicate === "object") {
return Object.entries(predicate).every(([key, value]) => {
const values = lodash.castArray(value);
return values.includes(obj[key]);
});
}
return predicate(obj, path);
};
/**
* Extended query options for slate queries:
* - `match` can be an object predicate where one of the values should include the node value.
* Example: { type: ['1', '2'] } will match the nodes having one of these 2 types.
*/
const getQueryOptions = (editor, options = {}) => {
const {
match: _match,
block
} = options;
return {
...options,
match: _match || block ? (n, path) => match(n, path, _match) && (!block || isBlock(editor, n)) : undefined
};
};
/**
* Convert a range into a non-hanging one if:
* - `unhang` is true,
* - `at` (default: selection) is a range.
*/
const unhangRange = (editor, range, options = {}) => {
const {
voids,
unhang = true
} = options;
if (slate.Range.isRange(range) && unhang) {
return slate.Editor.unhangRange(editor, range, {
voids
});
}
};
/**
* Iterate through all of the nodes in the Editor.
*/
const getNodeEntries = (editor, options) => {
unhangRange(editor, options === null || options === void 0 ? void 0 : options.at, options);
return slate.Editor.nodes(editor, getQueryOptions(editor, options));
};
/**
* Find node matching the condition.
*/
const findNode = (editor, options = {}) => {
// Slate throws when things aren't found so we wrap in a try catch and return undefined on throw.
try {
const nodeEntries = getNodeEntries(editor, {
at: editor.selection || [],
...getQueryOptions(editor, options)
});
for (const [node, path] of nodeEntries) {
return [node, path];
}
} catch (error) {
return undefined;
}
};
/**
* Get the ancestor above a location in the document.
*/
const getAboveNode = (editor, options) => slate.Editor.above(editor, getQueryOptions(editor, options));
/**
* Get the block above a location (default: selection).
*/
const getBlockAbove = (editor, options = {}) => getAboveNode(editor, {
...options,
block: true
});
/**
* Get the marks that would be added to text at the current selection.
*/
const getMarks = editor => slate.Editor.marks(editor);
/**
* Get selected mark by type.
*/
const getMark = (editor, type) => {
if (!editor) return;
const marks = getMarks(editor);
return marks === null || marks === void 0 ? void 0 : marks[type];
};
/**
* Check if a value is an inline `Element` object.
*/
const isInline = (editor, value) => slate.Editor.isInline(editor, value);
/**
* Get the concatenated text string of a node's content.
*
* Note that this will not include spaces or line breaks between block nodes.
* It is not a user-facing string, but a string for performing offset-related
* computations for a node.
*/
const getNodeString = node => slate.Node.string(node);
/**
* Is an ancestor empty (empty text and no inline children).
*/
const isAncestorEmpty = (editor, node) => !getNodeString(node) && !node.children.some(n => isInline(editor, n));
/**
* Is the block above the selection empty.
*/
const isBlockAboveEmpty = editor => {
var _getBlockAbove;
const block = (_getBlockAbove = getBlockAbove(editor)) === null || _getBlockAbove === void 0 ? void 0 : _getBlockAbove[0];
if (!block) return false;
return isAncestorEmpty(editor, block);
};
/**
* Is it the first child of the parent
*/
const isFirstChild = path => path[path.length - 1] === 0;
/**
* Is the mark defined in the selection.
*/
const isMarkActive = (editor, type) => {
return isDefined(getMark(editor, type));
};
/**
* Check if a point is the end point of a location.
* If point is null, return false.
*/
const isEndPoint = (editor, point, at) => !!point && slate.Editor.isEnd(editor, point, at);
/**
* Is the selection focus at the end of its parent block.
*/
const isSelectionAtBlockEnd = (editor, options) => {
var _getBlockAbove, _editor$selection;
const path = (_getBlockAbove = getBlockAbove(editor, options)) === null || _getBlockAbove === void 0 ? void 0 : _getBlockAbove[1];
return !!path && isEndPoint(editor, (_editor$selection = editor.selection) === null || _editor$selection === void 0 ? void 0 : _editor$selection.focus, path);
};
/**
* Check if a point is the start point of a location.
* If point is null, return false.
*/
const isStartPoint = (editor, point, at) => !!point && slate.Editor.isStart(editor, point, at);
/**
* Is the selection focus at the start of its parent block.
*
* Supports the same options provided by {@link getBlockAbove}.
*/
const isSelectionAtBlockStart = (editor, options) => {
var _getBlockAbove, _editor$selection;
const path = (_getBlockAbove = getBlockAbove(editor, options)) === null || _getBlockAbove === void 0 ? void 0 : _getBlockAbove[1];
return !!path && isStartPoint(editor, (_editor$selection = editor.selection) === null || _editor$selection === void 0 ? void 0 : _editor$selection.focus, path);
};
/**
* See {@link Range.isExpanded}.
* Return false if `range` is not defined.
*/
const isExpanded = range => !!range && slate.Range.isExpanded(range);
/**
* Is the selection expanded.
*/
const isSelectionExpanded = editor => isExpanded(editor.selection);
/**
* 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;
var isArray_1 = isArray;
/**
* Casts `value` as an array if it's not one.
*
* @static
* @memberOf _
* @since 4.4.0
* @category Lang
* @param {*} value The value to inspect.
* @returns {Array} Returns the cast array.
* @example
*
* _.castArray(1);
* // => [1]
*
* _.castArray({ 'a': 1 });
* // => [{ 'a': 1 }]
*
* _.castArray('abc');
* // => ['abc']
*
* _.castArray(null);
* // => [null]
*
* _.castArray(undefined);
* // => [undefined]
*
* _.castArray();
* // => []
*
* var array = [1, 2, 3];
* console.log(_.castArray(array) === array);
* // => true
*/
function castArray() {
if (!arguments.length) {
return [];
}
var value = arguments[0];
return isArray_1(value) ? value : [value];
}
var castArray_1 = castArray;
/**
* Iterate through all of the nodes in the editor and break early for the first truthy match. Otherwise
* returns false.
*/
const someNode = (editor, options) => {
return !!findNode(editor, options);
};
/**
* Query the editor state.
*/
const queryEditor = (editor, {
filter,
selectionAtBlockStart,
selectionAtBlockEnd,
allow,
exclude,
at = editor.selection || []
} = {}) => {
if (filter && !filter(editor) || selectionAtBlockStart && !isSelectionAtBlockStart(editor) || selectionAtBlockEnd && !isSelectionAtBlockEnd(editor)) {
return false;
}
const allows = castArray_1(allow);
if (allows.length && !someNode(editor, {
at,
match: {
type: allows
}
})) {
return false;
}
const excludes = castArray_1(exclude);
if (excludes.length && someNode(editor, {
at,
match: {
type: excludes
}
})) {
return false;
}
return true;
};
/**
* Query the node entry.
*/
const queryNode = (entry, {
filter,
allow,
exclude,
level,
maxLevel
} = {}) => {
if (!entry) return false;
const [node, path] = entry;
if (level) {
const levels = castArray_1(level);
if (!levels.includes(path.length)) {
return false;
}
}
if (maxLevel) {
if (path.length > maxLevel) {
return false;
}
}
if (filter && !filter(entry)) {
return false;
}
if (allow) {
const allows = castArray_1(allow);
if (allows.length && !allows.includes(node.type)) {
return false;
}
}
if (exclude) {
const excludes = castArray_1(exclude);
if (excludes.length && excludes.includes(node.type)) {
return false;
}
}
return true;
};
/**
* Check if a value implements the 'Ancestor' interface.
*/
const isAncestor = value => slate.Element.isAncestor(value);
/**
* Recursively apply an operation to children nodes with a query.
*/
const applyDeepToNodes = ({
node,
source,
apply,
query
}) => {
const entry = [node, []];
if (queryNode(entry, query)) {
if (source instanceof Function) {
apply(node, source());
} else {
apply(node, source);
}
}
if (!isAncestor(node)) return;
node.children.forEach(child => {
applyDeepToNodes({
node: child,
source,
apply,
query
});
});
};
const createTEditor = () => slate.createEditor();
/**
* A faster alternative to `Function#apply`, this function invokes `func`
* with the `this` binding of `thisArg` and the arguments of `args`.
*
* @private
* @param {Function} func The function to invoke.
* @param {*} thisArg The `this` binding of `func`.
* @param {Array} args The arguments to invoke `func` with.
* @returns {*} Returns the result of `func`.
*/
function apply(func, thisArg, args) {
switch (args.length) {
case 0: return func.call(thisArg);
case 1: return func.call(thisArg, args[0]);
case 2: return func.call(thisArg, args[0], args[1]);
case 3: return func.call(thisArg, args[0], args[1], args[2]);
}
return func.apply(thisArg, args);
}
var _apply = apply;
/**
* This method returns the first argument it receives.
*
* @static
* @since 0.1.0
* @memberOf _
* @category Util
* @param {*} value Any value.
* @returns {*} Returns `value`.
* @example
*
* var object = { 'a': 1 };
*
* console.log(_.identity(object) === object);
* // => true
*/
function identity(value) {
return value;
}
var identity_1 = identity;
/* Built-in method references for those with the same name as other `lodash` methods. */
var nativeMax = Math.max;
/**
* A specialized version of `baseRest` which transforms the rest array.
*
* @private
* @param {Function} func The function to apply a rest parameter to.
* @param {number} [start=func.length-1] The start position of the rest parameter.
* @param {Function} transform The rest array transform.
* @returns {Function} Returns the new function.
*/
function overRest(func, start, transform) {
start = nativeMax(start === undefined ? (func.length - 1) : start, 0);
return function() {
var args = arguments,
index = -1,
length = nativeMax(args.length - start, 0),
array = Array(length);
while (++index < length) {
array[index] = args[start + index];
}
index = -1;
var otherArgs = Array(start + 1);
while (++index < start) {
otherArgs[index] = args[index];
}
otherArgs[start] = transform(array);
return _apply(func, this, otherArgs);
};
}
var _overRest = overRest;
/**
* Creates a function that returns `value`.
*
* @static
* @memberOf _
* @since 2.4.0
* @category Util
* @param {*} value The value to return from the new function.
* @returns {Function} Returns the new constant function.
* @example
*
* var objects = _.times(2, _.constant({ 'a': 1 }));
*
* console.log(objects);
* // => [{ 'a': 1 }, { 'a': 1 }]
*
* console.log(objects[0] === objects[1]);
* // => true
*/
function constant(value) {
return function() {
return value;
};
}
var constant_1 = constant;
/** Detect free variable `global` from Node.js. */
var freeGlobal = typeof commonjsGlobal == 'object' && commonjsGlobal && commonjsGlobal.Object === Object && commonjsGlobal;
var _freeGlobal = freeGlobal;
/** 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')();
var _root = root;
/** Built-in value references. */
var Symbol$1 = _root.Symbol;
var _Symbol = Symbol$1;
/** Used for built-in method references. */
var objectProto$f = Object.prototype;
/** Used to check objects for own properties. */
var hasOwnProperty$c = objectProto$f.hasOwnProperty;
/**
* Used to resolve the
* [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
* of values.
*/
var nativeObjectToString$1 = objectProto$f.toString;
/** Built-in value references. */
var symToStringTag$1 = _Symbol ? _Symbol.toStringTag : undefined;
/**
* A specialized version of `baseGetTag` which ignores `Symbol.toStringTag` values.
*
* @private
* @param {*} value The value to query.
* @returns {string} Returns the raw `toStringTag`.
*/
function getRawTag(value) {
var isOwn = hasOwnProperty$c.call(value, symToStringTag$1),
tag = value[symToStringTag$1];
try {
value[symToStringTag$1] = undefined;
var unmasked = true;
} catch (e) {}
var result = nativeObjectToString$1.call(value);
if (unmasked) {
if (isOwn) {
value[symToStringTag$1] = tag;
} else {
delete value[symToStringTag$1];
}
}
return result;
}
var _getRawTag = getRawTag;
/** Used for built-in method references. */
var objectProto$e = Object.prototype;
/**
* Used to resolve the
* [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
* of values.
*/
var nativeObjectToString = objectProto$e.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.call(value);
}
var _objectToString = objectToString;
/** `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);
}
var _baseGetTag = baseGetTag;
/**
* 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');
}
var isObject_1 = isObject;
/** `Object#toString` result references. */
var asyncTag = '[object AsyncFunction]',
funcTag$1 = '[object Function]',
genTag = '[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$1 || tag == genTag || tag == asyncTag || tag == proxyTag;
}
var isFunction_1 = isFunction;
/** Used to detect overreaching core-js shims. */
var coreJsData = _root['__core-js_shared__'];
var _coreJsData = coreJsData;
/** Used to detect methods masquerading as native. */
var maskSrcKey = (function() {
var uid = /[^.]+$/.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);
}
var _isMasked = isMasked;
/** 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$2.call(func);
} catch (e) {}
try {
return (func + '');
} catch (e) {}
}
return '';
}
var _toSource = toSource;
/**
* Used to match `RegExp`
* [syntax characters](http://ecma-international.org/ecma-262/7.0/#sec-patterns).
*/
var reRegExpChar = /[\\^$.*+?()[\]{}|]/g;
/** Used to detect host constructors (Safari). */
var reIsHostCtor = /^\[object .+?Constructor\]$/;
/** Used for built-in method references. */
var funcProto$1 = Function.prototype,
objectProto$d = Object.prototype;
/** Used to resolve the decompiled source of functions. */
var funcToString$1 = funcProto$1.toString;
/** Used to check objects for own properties. */
var hasOwnProperty$b = objectProto$d.hasOwnProperty;
/** Used to detect if a method is native. */
var reIsNative = RegExp('^' +
funcToString$1.call(hasOwnProperty$b).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_1(value) ? reIsNative : reIsHostCtor;
return pattern.test(_toSource(value));
}
var _baseIsNative = baseIsNative;
/**
* 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];
}
var _getValue = getValue;
/**
* 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;
}
var _getNative = getNative;
var defineProperty = (function() {
try {
var func = _getNative(Object, 'defineProperty');
func({}, '', {});
return func;
} catch (e) {}
}());
var _defineProperty = defineProperty;
/**
* The base implementation of `setToString` without support for hot loop shorting.
*
* @private
* @param {Function} func The function to modify.
* @param {Function} string The `toString` result.
* @returns {Function} Returns `func`.
*/
var baseSetToString = !_defineProperty ? identity_1 : function(func, string) {
return _defineProperty(func, 'toString', {
'configurable': true,
'enumerable': false,
'value': constant_1(string),
'writable': true
});
};
var _baseSetToString = baseSetToString;
/** Used to detect hot functions by number of calls within a span of milliseconds. */
var HOT_COUNT = 800,
HOT_SPAN = 16;
/* Built-in method references for those with the same name as other `lodash` methods. */
var nativeNow = Date.now;
/**
* Creates a function that'll short out and invoke `identity` instead
* of `func` when it's called `HOT_COUNT` or more times in `HOT_SPAN`
* milliseconds.
*
* @private
* @param {Function} func The function to restrict.
* @returns {Function} Returns the new shortable function.
*/
function shortOut(func) {
var count = 0,
lastCalled = 0;
return function() {
var stamp = nativeNow(),
remaining = HOT_SPAN - (stamp - lastCalled);
lastCalled = stamp;
if (remaining > 0) {
if (++count >= HOT_COUNT) {
return arguments[0];
}
} else {
count = 0;
}
return func.apply(undefined, arguments);
};
}
var _shortOut = shortOut;
/**
* Sets the `toString` method of `func` to return `string`.
*
* @private
* @param {Function} func The function to modify.
* @param {Function} string The `toString` result.
* @returns {Function} Returns `func`.
*/
var setToString = _shortOut(_baseSetToString);
var _setToString = setToString;
/**
* The base implementation of `_.rest` which doesn't validate or coerce arguments.
*
* @private
* @param {Function} func The function to apply a rest parameter to.
* @param {number} [start=func.length-1] The start position of the rest parameter.
* @returns {Function} Returns the new function.
*/
function baseRest(func, start) {
return _setToString(_overRest(func, start, identity_1), func + '');
}
var _baseRest = baseRest;
/**
* Removes all key-value entries from the list cache.
*
* @private
* @name clear
* @memberOf ListCache
*/
function listCacheClear() {
this.__data__ = [];
this.size = 0;
}
var _listCacheClear = listCacheClear;
/**
* Performs a
* [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
* comparison between two values to determine if they are equivalent.
*
* @static
* @memberOf _
* @since 4.0.0
* @category Lang
* @param {*} value The value to compare.
* @param {*} other The other value to compare.
* @returns {boolean} Returns `true` if the values are equivalent, else `false`.
* @example
*
* var object = { 'a': 1 };
* var other = { 'a': 1 };
*
* _.eq(object, object);
* // => true
*
* _.eq(object, other);
* // => false
*
* _.eq('a', 'a');
* // => true
*
* _.eq('a', Object('a'));
* // => false
*
* _.eq(NaN, NaN);
* // => true
*/
function eq(value, other) {
return value === other || (value !== value && other !== other);
}
var eq_1 = eq;
/**
* Gets the index at which the `key` is found in `array` of key-value pairs.
*
* @private
* @param {Array} array The array to inspect.
* @param {*} key The key to search for.
* @returns {number} Returns the index of the matched value, else `-1`.
*/
function assocIndexOf(array, key) {
var length = array.length;
while (length--) {
if (eq_1(array[length][0], key)) {
return length;
}
}
return -1;
}
var _assocIndexOf = assocIndexOf;
/** Used for built-in method references. */
var arrayProto = Array.prototype;
/** Built-in value references. */
var splice = arrayProto.splice;
/**
* Removes `key` and its value from the list cache.
*
* @private
* @name delete
* @memberOf ListCache
* @param {string} key The key of the value to remove.
* @returns {boolean} Returns `true` if the entry was removed, else `false`.
*/
function listCacheDelete(key) {
var data = this.__data__,
index = _assocIndexOf(data, key);
if (index < 0) {
return false;
}
var lastIndex = data.length - 1;
if (index == lastIndex) {
data.pop();
} else {
splice.call(data, index, 1);
}
--this.size;
return true;
}
var _listCacheDelete = listCacheDelete;
/**
* Gets the list cache value for `key`.
*
* @private
* @name get
* @memberOf ListCache
* @param {string} key The key of the value to get.
* @returns {*} Returns the entry value.
*/
function listCacheGet(key) {
var data = this.__data__,
index = _assocIndexOf(data, key);
return index < 0 ? undefined : data[index][1];
}
var _listCacheGet = listCacheGet;
/**
* Checks if a list cache value for `key` exists.
*
* @private
* @name has
* @memberOf ListCache
* @param {string} key The key of the entry to check.
* @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
*/
function listCacheHas(key) {
return _assocIndexOf(this.__data__, key) > -1;
}
var _listCacheHas = listCacheHas;
/**
* Sets the list cache `key` to `value`.
*
* @private
* @name set
* @memberOf ListCache
* @param {string} key The key of the value to set.
* @param {*} value The value to set.
* @returns {Object} Returns the list cache instance.
*/
function listCacheSet(key, value) {
var data = this.__data__,
index = _assocIndexOf(data, key);
if (index < 0) {
++this.size;
data.push([key, value]);
} else {
data[index][1] = value;
}
return this;
}
var _listCacheSet = listCacheSet;
/**
* Creates an list cache object.
*
* @private
* @constructor
* @param {Array} [entries] The key-value pairs to cache.
*/
function ListCache(entries) {
var index = -1,
length = entries == null ? 0 : entries.length;
this.clear();
while (++index < length) {
var entry = entries[index];
this.set(entry[0], entry[1]);
}
}
// Add methods to `ListCache`.
ListCache.prototype.clear = _listCacheClear;
ListCache.prototype['delete'] = _listCacheDelete;
ListCache.prototype.get = _listCacheGet;
ListCache.prototype.has = _listCacheHas;
ListCache.prototype.set = _listCacheSet;
var _ListCache = ListCache;
/**
* Removes all key-value entries from the stack.
*
* @private
* @name clear
* @memberOf Stack
*/
function stackClear() {
this.__data__ = new _ListCache;
this.size = 0;
}
var _stackClear = stackClear;
/**
* Removes `key` and its value from the stack.
*
* @private
* @name delete
* @memberOf Stack
* @param {string} key The key of the value to remove.
* @returns {boolean} Returns `true` if the entry was removed, else `false`.
*/
function stackDelete(key) {
var data = this.__data__,
result = data['delete'](key);
this.size = data.size;
return result;
}
var _stackDelete = stackDelete;
/**
* Gets the stack value for `key`.
*
* @private
* @name get
* @memberOf Stack
* @param {string} key The key of the value to get.
* @returns {*} Returns the entry value.
*/
function stackGet(key) {
return this.__data__.get(key);
}
var _stackGet = stackGet;
/**
* Checks if a stack value for `key` exists.
*
* @private
* @name has
* @memberOf Stack
* @param {string} key The key of the entry to check.
* @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
*/
function stackHas(key) {
return this.__data__.has(key);
}
var _stackHas = stackHas;
/* Built-in method references that are verified to be native. */
var Map$1 = _getNative(_root, 'Map');
var _Map = Map$1;
/* Built-in method references that are verified to be native. */
var nativeCreate = _getNative(Object, 'create');
var _nativeCreate = nativeCreate;
/**
* Removes all key-value entries from the hash.
*
* @private
* @name clear
* @memberOf Hash
*/
function hashClear() {
this.__data__ = _nativeCreate ? _nativeCreate(null) : {};
this.size = 0;
}
var _hashClear = hashClear;
/**
* Removes `key` and its value from the hash.
*
* @private
* @name delete
* @memberOf Hash
* @param {Object} hash The hash to modify.
* @param {string} key The key of the value to remove.
* @returns {boolean} Returns `true` if the entry was removed, else `false`.
*/
function hashDelete(key) {
var result = this.has(key) && delete this.__data__[key];
this.size -= result ? 1 : 0;
return result;
}
var _hashDelete = hashDelete;
/** Used to stand-in for `undefined` hash values. */
var HASH_UNDEFINED$2 = '__lodash_hash_undefined__';
/** Used for built-in method references. */
var objectProto$c = Object.prototype;
/** Used to check objects for own properties. */
var hasOwnProperty$a = objectProto$c.hasOwnProperty;
/**
* Gets the hash value for `key`.
*
* @private
* @name get
* @memberOf Hash
* @param {string} key The key of the value to get.
* @returns {*} Returns the entry value.
*/
function hashGet(key) {
var data = this.__data__;
if (_nativeCreate) {
var result = data[key];
return result === HASH_UNDEFINED$2 ? undefined : result;
}
return hasOwnProperty$a.call(data, key) ? data[key] : undefined;
}
var _hashGet = hashGet;
/** Used for built-in method references. */
var objectProto$b = Object.prototype;
/** Used to check objects for own properties. */
var hasOwnProperty$9 = objectProto$b.hasOwnProperty;
/**
* Checks if a hash value for `key` exists.
*
* @private
* @name has
* @memberOf Hash
* @param {string} key The key of the entry to check.
* @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
*/
function hashHas(key) {
var data = this.__data__;
return _nativeCreate ? (data[key] !== undefined) : hasOwnProperty$9.call(data, key);
}
var _hashHas = hashHas;
/** Used to stand-in for `undefined` hash values. */
var HASH_UNDEFINED$1 = '__lodash_hash_undefined__';
/**
* Sets the hash `key` to `value`.
*
* @private
* @name set
* @memberOf Hash
* @param {string} key The key of the value to set.
* @param {*} value The value to set.
* @returns {Object} Returns the hash instance.
*/
function hashSet(key, value) {
var data = this.__data__;
this.size += this.has(key) ? 0 : 1;
data[key] = (_nativeCreate && value === undefined) ? HASH_UNDEFINED$1 : value;
return this;
}
var _hashSet = hashSet;
/**
* Creates a hash object.
*
* @private
* @constructor
* @param {Array} [entries] The key-value pairs to cache.
*/
function Hash(entries) {
var index = -1,
length = entries == null ? 0 : entries.length;
this.clear();
while (++index < length) {
var entry = entries[index];
this.set(entry[0], entry[1]);
}
}
// Add methods to `Hash`.
Hash.prototype.clear = _hashClear;
Hash.prototype['delete'] = _hashDelete;
Hash.prototype.get = _hashGet;
Hash.prototype.has = _hashHas;
Hash.prototype.set = _hashSet;
var _Hash = Hash;
/**
* Removes all key-value entries from the map.
*
* @private
* @name clear
* @memberOf MapCache
*/
function mapCacheClear() {
this.size = 0;
this.__data__ = {
'hash': new _Hash,
'map': new (_Map || _ListCache),
'string': new _Hash
};
}
var _mapCacheClear = mapCacheClear;
/**
* Checks if `value` is suitable for use as unique object key.
*
* @private
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is suitable, else `false`.
*/
function isKeyable(value) {
var type = typeof value;
return (type == 'string' || type == 'number' || type == 'symbol' || type == 'boolean')
? (value !== '__proto__')
: (value === null);
}
var _isKeyable = isKeyable;
/**
* Gets the data for `map`.
*
* @private
* @param {Object} map The map to query.
* @param {string} key The reference key.
* @returns {*} Returns the map data.
*/
function getMapData(map, key) {
var data = map.__data__;
return _isKeyable(key)
? data[typeof key == 'string' ? 'string' : 'hash']
: data.map;
}
var _getMapData = getMapData;
/**
* Removes `key` and its value from the map.
*
* @private
* @name delete
* @memberOf MapCache
* @param {string} key The key of the value to remove.
* @returns {boolean} Returns `true` if the entry was removed, else `false`.
*/
function mapCacheDelete(key) {
var result = _getMapData(this, key)['delete'](key);
this.size -= result ? 1 : 0;
return result;
}
var _mapCacheDelete = mapCacheDelete;
/**
* Gets the map value for `key`.
*
* @private
* @name get
* @memberOf MapCache
* @param {string} key The key of the value to get.
* @returns {*} Returns the entry value.
*/
function mapCacheGet(key) {
return _getMapData(this, key).get(key);
}
var _mapCacheGet = mapCacheGet;
/**
* Checks if a map value for `key` exists.
*
* @private
* @name has
* @memberOf MapCache
* @param {string} key The key of the entry to check.
* @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
*/
function mapCacheHas(key) {
return _getMapData(this, key).has(key);
}
var _mapCacheHas = mapCacheHas;
/**
* Sets the map `key` to `value`.
*
* @private
* @name set
* @memberOf MapCache
* @param {string} key The key of the value to set.
* @param {*} value The value to set.
* @returns {Object} Returns the map cache instance.
*/
function mapCacheSet(key, value) {
var data = _getMapData(this, key),
size = data.size;
data.set(key, value);
this.size += data.size == size ? 0 : 1;
return this;
}
var _mapCacheSet = mapCacheSet;
/**
* Creates a map cache object to store key-value pairs.
*
* @private
* @constructor
* @param {Array} [entries] The key-value pairs to cache.
*/
function MapCache(entries) {
var index = -1,
length = entries == null ? 0 : entries.length;
this.clear();
while (++index < length) {
var entry = entries[index];
this.set(entry[0], entry[1]);
}
}
// Add methods to `MapCache`.
MapCache.prototype.clear = _mapCacheClear;
MapCache.prototype['delete'] = _mapCacheDelete;
MapCache.prototype.get = _mapCacheGet;
MapCache.prototype.has = _mapCacheHas;
MapCache.prototype.set = _mapCacheSet;
var _MapCache = MapCache;
/** Used as the size to enable large array optimizations. */
var LARGE_ARRAY_SIZE = 200;
/**
* Sets the stack `key` to `value`.
*
* @private
* @name set
* @memberOf Stack
* @param {string} key The key of the value to set.
* @param {*} value The value to set.
* @returns {Object} Returns th