add after ary assign assignIn assignInWith assignWith at before bind bindAll bindKey camelCase capitalize castArray ceil chain chunk clamp clone cloneDeep cloneDeepWith cloneWith compact concat conformsTo countBy create curry curryRight debounce deburr defaults defaultsDeep defer delay difference divide drop dropRight each eachRight endsWith entries entriesIn eq escape every extend extendWith fill filter find findIndex findKey findLast findLastIndex findLastKey first flatMap flatMapDeep flatMapDepth flatten flattenDeep flattenDepth flip floor forEach forEachRight forIn forInRight forOwn forOwnRight fromPairs functions functionsIn get groupBy gt gte has hasIn head inRange includes indexOf initial intersection invert invertBy invoke invokeMap isArguments isArray isArrayBuffer isArrayLike isArrayLikeObject isBoolean isBuffer isDate isElement isEmpty isEqual isEqualWith isError isFinite isFunction isInteger isLength isMap isMatch isMatchWith isNaN isNative isNil isNull isNumber isObject isObjectLike isPlainObject isRegExp isSafeInteger isSet isString isSymbol isTypedArray isUndefined isWeakMap isWeakSet join kebabCase keyBy keys keysIn last lastIndexOf lowerCase lowerFirst lt lte map mapKeys mapValues max maxBy mean meanBy memoize merge mergeWith min minBy multiply negate nth omit omitBy once orderBy overArgs pad padEnd padStart parseInt partial partialRight partition pick pickBy pull pullAll pullAllBy pullAllWith pullAt random rearg reduce reduceRight reject remove repeat replace rest result reverse round sample sampleSize set setWith shuffle size slice snakeCase some sortBy sortedIndex sortedIndexOf sortedLastIndex sortedLastIndexOf sortedUniq split spread startCase startsWith subtract sum sumBy tail take takeRight tap template throttle thru toArray toFinite toInteger toLength toLower toNumber toPairs toPairsIn toPlainObject toSafeInteger toString toUpper transform trim trimEnd trimStart truncate unary unescape union uniq uniqBy uniqWith unset unzip unzipWith update updateWith upperCase upperFirst values valuesIn without words wrap wrapperAt wrapperChain wrapperCommit wrapperFlatMap wrapperLodash wrapperNext wrapperPlant wrapperReverse wrapperToIterator wrapperValue xor zip zipObject zipObjectDeep zipWith

Lodash _.cloneWith

Overview

The lodash _.cloneWith method is a powerful utility function that allows you to deeply clone objects and arrays in JavaScript. It is part of the popular lodash library, which provides a suite of useful functions for working with arrays, objects, and other data types.

When you use _.cloneWith, you can create a new object or array that is a deeply cloned copy of the original. This means that any properties or values that are nested inside the original will also be copied over into the new object or array, creating a complete copy of the original data.

One of the unique features of _.cloneWith is that it allows you to customize the cloning process by providing a callback function. This function will be called for each property or value that is cloned, allowing you to modify the behavior of the clone operation.

For example, you can use the callback function to create a shallow clone of an object, or to exclude certain properties or values from the cloning process. This gives you a lot of flexibility and control over how the clone operation works.

Another nice feature of _.cloneWith is that it can handle circular references in a graceful way. When you clone an object that contains a circular reference (i.e., a reference to itself or another object that refers back to the original), _.cloneWith will detect this and create a new reference to the same object in the cloned copy. This ensures that the cloned object is an accurate representation of the original, even if it contains complex data structures.

In summary, the lodash _.cloneWith method is a powerful and flexible utility function that can help you clone objects and arrays in JavaScript. With its support for callbacks and circular references, it is a valuable tool for anyone working with complex data structures in their JavaScript applications.