Importmap integrity

[yoavweiss]

Request for Mozilla Position on an Emerging Web Specification

• Specification title: Importmap integrity
• Specification or proposal URL (if available): Add subresource integrity support for ES modules, through importmaps whatwg/html#10269
• Explainer URL (if available): https://github.com/guybedford/import-maps-extensions?tab=readme-ov-file#proposal
• Proposal author(s) (@-mention GitHub accounts): @guybedford @yoavweiss
• Caniuse.com URL (optional):
• Bugzilla URL (optional):
• Mozillians who can provide input (optional):

Other information

Currently it's impossible to use ES module imports in environments that require subresource integrity for security or privacy reasons. This is a relatively small addition to the platform that would enable it.

[yoavweiss]

^^ @mozfreddyb

[mozfreddyb]

@beurdouche is going to take this.