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jsdom v7.1.0 Release Notes

  • 🚀 This is a rather large release bringing with it several important re-implementations of DOM and HTML APIs.

    • Our EventTarget implementation has been rewritten from scratch to follow the spec exactly. This should improve any edge case misbehaviors.
    • Our Event class hierarchy has been rewritten and fleshed out, fixing many gaps in functionality.
      • Previously missing classes KeyboardEvent and TouchEvent are now implemented.
      • Almost all supported Event subclasses now have constructors. (TouchEvent does not yet, and MutationEvent is specified to not have one.)
      • All classes now have correct public APIs, e.g. getters instead of data properties, missing properties added, and constructors that correctly allow setting all the supported properties.
      • document.createEvent("customevent", ...) now correctly creates a CustomEvent instead of an Event, and CustomEvent.prototype.initProgressEvent has been replaced with CustomEvent.prototype.initCustomEvent.
    • ✅ The Attr class and related attribute-manipulating methods has been rewritten to follow the latest specification. In particular, Attr is no longer a subclass of Node, and no longer has child text nodes.
    • ✅ The <template> element implementation has been greatly improved, now passing most web platform tests. Its .content property no longer has an extra intermediate document fragment; it no longer has child nodes; and related parts of the parser and serializer have been fixed, including innerHTML and outerHTML, to now work as specified.
    • querySelector, querySelectorAll, and matches now correctly throw "SyntaxError" DOMExceptions for invalid selectors, instead of just Error instances.
    • Node.prototype's insertBefore, replaceChild, and appendChild methods now check their arguments more correctly.
    • 🏗 The browser builds now have regained the ability to fetch URLs for content and the like; this had been broken due to an issue with the browser-request package, which is no longer necessary anyway.