Commit c5d50935 authored by Cholgrrr's avatar Cholgrrr
Browse files

update

parent ac419aba
/** Used as the internal argument placeholder. */
var PLACEHOLDER = '__lodash_placeholder__';
/**
* Replaces all `placeholder` elements in `array` with an internal placeholder
* and returns an array of their indexes.
*
* @private
* @param {Array} array The array to modify.
* @param {*} placeholder The placeholder to replace.
* @returns {Array} Returns the new array of placeholder indexes.
*/
function replaceHolders(array, placeholder) {
var index = -1,
length = array.length,
resIndex = 0,
result = [];
while (++index < length) {
var value = array[index];
if (value === placeholder || value === PLACEHOLDER) {
array[index] = PLACEHOLDER;
result[resIndex++] = index;
}
}
return result;
}
module.exports = replaceHolders;
var freeGlobal = require('./_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')();
module.exports = root;
/**
* Gets the value at `key`, unless `key` is "__proto__" or "constructor".
*
* @private
* @param {Object} object The object to query.
* @param {string} key The key of the property to get.
* @returns {*} Returns the property value.
*/
function safeGet(object, key) {
if (key === 'constructor' && typeof object[key] === 'function') {
return;
}
if (key == '__proto__') {
return;
}
return object[key];
}
module.exports = safeGet;
/** Used to stand-in for `undefined` hash values. */
var HASH_UNDEFINED = '__lodash_hash_undefined__';
/**
* Adds `value` to the array cache.
*
* @private
* @name add
* @memberOf SetCache
* @alias push
* @param {*} value The value to cache.
* @returns {Object} Returns the cache instance.
*/
function setCacheAdd(value) {
this.__data__.set(value, HASH_UNDEFINED);
return this;
}
module.exports = setCacheAdd;
/**
* Checks if `value` is in the array cache.
*
* @private
* @name has
* @memberOf SetCache
* @param {*} value The value to search for.
* @returns {number} Returns `true` if `value` is found, else `false`.
*/
function setCacheHas(value) {
return this.__data__.has(value);
}
module.exports = setCacheHas;
var baseSetData = require('./_baseSetData'),
shortOut = require('./_shortOut');
/**
* Sets metadata for `func`.
*
* **Note:** If this function becomes hot, i.e. is invoked a lot in a short
* period of time, it will trip its breaker and transition to an identity
* function to avoid garbage collection pauses in V8. See
* [V8 issue 2070](https://bugs.chromium.org/p/v8/issues/detail?id=2070)
* for more details.
*
* @private
* @param {Function} func The function to associate metadata with.
* @param {*} data The metadata.
* @returns {Function} Returns `func`.
*/
var setData = shortOut(baseSetData);
module.exports = setData;
/**
* Converts `set` to an array of its values.
*
* @private
* @param {Object} set The set to convert.
* @returns {Array} Returns the values.
*/
function setToArray(set) {
var index = -1,
result = Array(set.size);
set.forEach(function(value) {
result[++index] = value;
});
return result;
}
module.exports = setToArray;
/**
* Converts `set` to its value-value pairs.
*
* @private
* @param {Object} set The set to convert.
* @returns {Array} Returns the value-value pairs.
*/
function setToPairs(set) {
var index = -1,
result = Array(set.size);
set.forEach(function(value) {
result[++index] = [value, value];
});
return result;
}
module.exports = setToPairs;
var baseSetToString = require('./_baseSetToString'),
shortOut = require('./_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);
module.exports = setToString;
var getWrapDetails = require('./_getWrapDetails'),
insertWrapDetails = require('./_insertWrapDetails'),
setToString = require('./_setToString'),
updateWrapDetails = require('./_updateWrapDetails');
/**
* Sets the `toString` method of `wrapper` to mimic the source of `reference`
* with wrapper details in a comment at the top of the source body.
*
* @private
* @param {Function} wrapper The function to modify.
* @param {Function} reference The reference function.
* @param {number} bitmask The bitmask flags. See `createWrap` for more details.
* @returns {Function} Returns `wrapper`.
*/
function setWrapToString(wrapper, reference, bitmask) {
var source = (reference + '');
return setToString(wrapper, insertWrapDetails(source, updateWrapDetails(getWrapDetails(source), bitmask)));
}
module.exports = setWrapToString;
/** 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);
};
}
module.exports = shortOut;
var baseRandom = require('./_baseRandom');
/**
* A specialized version of `_.shuffle` which mutates and sets the size of `array`.
*
* @private
* @param {Array} array The array to shuffle.
* @param {number} [size=array.length] The size of `array`.
* @returns {Array} Returns `array`.
*/
function shuffleSelf(array, size) {
var index = -1,
length = array.length,
lastIndex = length - 1;
size = size === undefined ? length : size;
while (++index < size) {
var rand = baseRandom(index, lastIndex),
value = array[rand];
array[rand] = array[index];
array[index] = value;
}
array.length = size;
return array;
}
module.exports = shuffleSelf;
var ListCache = require('./_ListCache');
/**
* Removes all key-value entries from the stack.
*
* @private
* @name clear
* @memberOf Stack
*/
function stackClear() {
this.__data__ = new ListCache;
this.size = 0;
}
module.exports = 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;
}
module.exports = 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);
}
module.exports = 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);
}
module.exports = stackHas;
var ListCache = require('./_ListCache'),
Map = require('./_Map'),
MapCache = require('./_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 the stack cache instance.
*/
function stackSet(key, value) {
var data = this.__data__;
if (data instanceof ListCache) {
var pairs = data.__data__;
if (!Map || (pairs.length < LARGE_ARRAY_SIZE - 1)) {
pairs.push([key, value]);
this.size = ++data.size;
return this;
}
data = this.__data__ = new MapCache(pairs);
}
data.set(key, value);
this.size = data.size;
return this;
}
module.exports = stackSet;
/**
* A specialized version of `_.indexOf` which performs strict equality
* comparisons of values, i.e. `===`.
*
* @private
* @param {Array} array The array to inspect.
* @param {*} value The value to search for.
* @param {number} fromIndex The index to search from.
* @returns {number} Returns the index of the matched value, else `-1`.
*/
function strictIndexOf(array, value, fromIndex) {
var index = fromIndex - 1,
length = array.length;
while (++index < length) {
if (array[index] === value) {
return index;
}
}
return -1;
}
module.exports = strictIndexOf;
/**
* A specialized version of `_.lastIndexOf` which performs strict equality
* comparisons of values, i.e. `===`.
*
* @private
* @param {Array} array The array to inspect.
* @param {*} value The value to search for.
* @param {number} fromIndex The index to search from.
* @returns {number} Returns the index of the matched value, else `-1`.
*/
function strictLastIndexOf(array, value, fromIndex) {
var index = fromIndex + 1;
while (index--) {
if (array[index] === value) {
return index;
}
}
return index;
}
module.exports = strictLastIndexOf;
var asciiSize = require('./_asciiSize'),
hasUnicode = require('./_hasUnicode'),
unicodeSize = require('./_unicodeSize');
/**
* Gets the number of symbols in `string`.
*
* @private
* @param {string} string The string to inspect.
* @returns {number} Returns the string size.
*/
function stringSize(string) {
return hasUnicode(string)
? unicodeSize(string)
: asciiSize(string);
}
module.exports = stringSize;
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