URL in Node.js

The url module in Node.js provides utilities to parse and manipulate URLs. The URL class is globally available and allows access to URL properties using getters and setters.

• Provides the WHATWG URL class for URL parsing and manipulation.
• The URL class is globally available in Node.js.
• Supports getters and setters to access and modify URL components like protocol, host, and query parameters.

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Node.js URL Module APIs

Node.js URL Module APIs provide methods and properties to parse, construct, and manipulate URLs in Node.js applications.

URL Methods

• URL(): method provides utilities for URL resolution and parsing.
• url.toString(): method returns the URL as a string representation.
• url.toJSON(): method returns the serialized URL of the URL object.
• pathToFileURL(): method converts a file path into a file URL.
• fileURLToPath(): method converts a file URL into a path string.
• parse(): method parses a URL string and returns a URL object.
• resolve(): method resolves a target URL relative to a base URL.
• format(): method formats a URL object into a URL string.
• domainToASCII(): method converts a Unicode domain name to ASCII.
• domainToUnicode(): method converts an ASCII domain name to Unicode.

URL Class APIs

• hash: API gets or sets the fragment portion of the URL.
• host: API gets or sets the host portion of the URL.
• origin: API returns the origin of the URL.
• username: API gets or sets the username of the URL.
• search: API gets or sets the query string of the URL.
• port: API gets or sets the port number of the URL.
• pathname: API gets or sets the pathname portion of the URL.
• password: API gets or sets the password of the URL.
• href: API returns the complete URL string.
• hostname: API gets or sets the hostname portion of the URL.
• protocol: API gets or sets the protocol scheme of the URL.

Class: URLSearchParams

• Append(): This method adds a key–value pair to the query string.
• Delete(): This method removes the specified parameter and its values.
• Entries(): This method returns an iterator for all key–value pairs.
• forEach(): This method iterates through all parameters using a callback function.
• get(): This method returns the first value of the specified parameter.
• getAll(): This method returns all values of a parameter as an array.
• set(): This method sets or updates the value of a parameter.
• has(): This method checks whether a parameter exists.
• keys(): This method returns an iterator of parameter names.
• values(): The values() method returns an iterator of parameter values.
• sort(): This method sorts parameters using a stable sorting algorithm.
• toString(): This method returns the query string representation.

Legacy urlObject

• auth: This property returns the authentication information of the URL.
• query: This property returns the query either as a string or an object.
• slashes: This property indicates whether // appears after the protocol.