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Explainer No information provided Specification https://github.com/whatwg/html/pull/11981 Summary Adds support for JSON and style module types as <link rel="modulepreload"> destinations. <link rel="modulepreload"> is already supported in Chromium (see https://chromestatus.com/feature/5762805915451392), but it currently only supports preloading script-like module scripts. This feature addresses a functionality gap, as JSON and CSS module scripts are supported in Chromium elsewhere but are not supported as <link rel="modulepreload"> destinations. Blink component Blink>DOM Web Feature ID modulepreload Motivation Style and JSON are fully supported as modules in Chromium (see https://chromestatus.com/feature/5948572598009856 and https://chromestatus.com/feature/5749863620804608), but <link rel=modulepreload> only supports preloading script modules. This feature addresses a gap in the platform. In addition, supporting "style" as a modulepreload destination addresses a pain point identified when using external files with Declarative CSS Modules (see https://chromestatus.com/feature/4790543041298432). Initial public proposal https://github.com/whatwg/html/issues/10233 TAG review No information provided TAG review status Not applicable Risks Interoperability and Compatibility No information provided Gecko: No signal (https://bugzilla.mozilla.org/show_bug.cgi?id=2004751) WebKit: No signal (https://bugs.webkit.org/show_bug.cgi?id=303761) Web developers: No signals Other signals: Ergonomics This feature will increase ergonomics with CSS Module Scripts (see https://chromestatus.com/feature/5948572598009856) and Declarative CSS Module Scripts (see https://chromestatus.com/feature/4790543041298432). No known ergonomics risks. Activation No polyfill is necessary, as a module import will succeed regardless of whether it's preloaded or not. In unsupported browsers, it will do nothing. Security No security risks. WebView application risks Does this intent deprecate or change behavior of existing APIs, such that it has potentially high risk for Android WebView-based applications? No information provided Debuggability Basic support via the Network tab in DevTools, which displays preloaded resources from this feature. Will this feature be supported on all six Blink platforms (Windows, Mac, Linux, ChromeOS, Android, and Android WebView)? Yes Is this feature fully tested by web-platform-tests? Yes https://github.com/web-platform-tests/wpt/pull/56617 Flag name on about://flags No information provided Finch feature name No information provided Non-finch justification This is not a new feature, just an expansion of an existing feature, so Finch is not necessary. Rollout plan Will ship enabled for all users Requires code in //chrome? False Tracking bug https://issues.chromium.org/issues/466888680 Measurement There is already a UseCounter for <link type=modulepreload> (see https://chromestatus.com/metrics/feature/timeline/popularity/2232). I plan on adding an additional UseCounter for style module preloads. Estimated milestones Shipping on desktop 146 Shipping on Android 146 Shipping on WebView 146 Anticipated spec changes Open questions about a feature may be a source of future web compat or interop issues. Please list open issues (eg links to known github issues in the project for the feature specification) whose resolution may introduce web compat/interop risk (eg, changing to naming or structure of the API in a non-backward-compatible way). No information provided Link to entry on the Chrome Platform Status https://chromestatus.com/feature/5202661416763392?gate=6500470023651328 This intent message was generated by Chrome Platform Status. -- You received this message because you are subscribed to the Google Groups "blink-dev" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion visit https://groups.google.com/a/chromium.org/d/msgid/blink-dev/69728ee9.050a0220.19f748.008b.GAE%40google.com.
