Web IDL Type Conversions

webidl-conversions is a JavaScript library that rigorously implements the Web IDL specification's algorithms for converting JavaScript values to and from Web IDL types. It ensures strict adherence to the Web IDL type conversion rules, including handling edge cases, type coercion, and error conditions, to provide consistent behavior as if the operations were natively defined in Web IDL. The current stable version is 8.0.1, with major version updates typically occurring annually to align with Node.js version requirements and Web IDL specification changes. Key differentiators include its meticulous adherence to the spec, support for multiple JavaScript realms, and options for customizing conversion behavior like clamping integers or allowing shared/resizable buffers, making it a critical component for libraries implementing Web APIs in JavaScript.