Contact emails
lpardosix...@microsoft.com, s...@google.com

Explainer
None


Specification
https://arai-a.github.io/ecma262-compare/?pr=3492


Summary

introduces the `import source` and `import.source` syntax. It allows modules to 
be imported as a representation of their compiled source, when the host 
supports such representation; currently, only WebAssembly modules are 
supported. This provides Wasm module fetching through the browser, including 
applying source-specific CSP policies for dynamic Wasm instantiation.



Blink component
Blink>JavaScript>Language


Motivation

TC39 proposal: https://github.com/tc39/proposal-source-phase-imports ECMA262 
spec PR: https://arai-a.github.io/ecma262-compare/?pr=3492 HTML Standard "Fetch 
a single module script" section: 
https://html.spec.whatwg.org/#fetch-a-single-module-script Wasm "Module 
Records" section: 
https://webassembly.github.io/esm-integration/js-api/index.html#webassembly-module-record



Initial public proposal
None


TAG review
None


TAG review status
Not applicable


Risks




Interoperability and Compatibility

None


Gecko: No signal

WebKit: No signal

Web developers: No signals

Other signals:


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?

None




Debuggability

None



Is this feature fully tested by web-platform-tests?
No


Flag name on about://flags
None


Finch feature name
None


Non-finch justification
None


Requires code in //chrome?
False


Tracking bug
https://issues.chromium.org/issues/42204365


Estimated milestones

No milestones specified



Link to entry on the Chrome Platform Status
https://chromestatus.com/feature/5796131906519040?gate=5641303091838976


This intent message was generated by Chrome Platform Status.

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