Showing content from https://github.com/tc39/proposal-shadowrealm below:
tc39/proposal-shadowrealm: ECMAScript Proposal, specs, and reference implementation for Realms
ECMAScript spec proposal for ShadowRealm API
- @dherman
- @caridy
- @erights
- @leobalter
- @rwaldron
- @legendecas
ShadowRealms are a distinct global environment, with its own global object containing its own intrinsics and built-ins (standard objects that are not bound to global variables, like the initial value of Object.prototype).
See more at the explainer document.
declare class ShadowRealm {
constructor();
importValue(specifier: string, bindingName: string): Promise<PrimitiveValueOrCallable>;
evaluate(sourceText: string): PrimitiveValueOrCallable;
}
See some examples in the Explainer file.
- TC39 Meeting, December 2024 - Stage 3 Request
- TC39 Meeting, June 12th 2024 - Stage 2.7 Update
- TC39 Meeting, February 7th 2024 - Move to Stage 2.7
- TC39 Meeting, September 7th 2023 - Move to Stage 2
- TC39 Meeting, March 29th 2022 - Stage 3 Update
- TC39 Meeting, December 14th 2021 - Stage 3 Update
- TC39 Meeting, August 31st 2021 - Rename to ShadowRealm
- TC39 Meeting, July 12th 2021 - Stage 3 Request
- TC39 Meeting, May 25th 2021 - Stage 2 Update
- TC39 Meeting, April 2021 - Introduction of Callable Boundary Reealms
- TC39 Meeting, January 2021 - Realms update from Chrome's position on the previous API
- TC39 Meeting, November 2020 - Stage 2 Update
- TC39 Meeting, June 4th 2020 - Stage 2 Update
- TC39 Incubator Call May 26th 2020
- TC39 Feb 2020 - Stage 2 Update
- TC39 May 2018 - Stage 2 Request (archived)
- we moved on from the exposed globalThis model to a lean isolated realms API (see #289 and #291)
- we worked on this during ES2015 time frame, so never went through stages process (ES6 Realm Objects proto-spec.pdf)
- got punted to later (rightly so!)
- original idea from @dherman: What are Realms?
Updating the spec text for this proposal
The source for the spec text is located in spec.html and it is written in ecmarkup language.
When modifying the spec text, you should be able to build the HTML version by using the following command:
npm install
npm run build
open dist/index.html
Alternatively, you can use npm run watch.
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