Alternatives to `preferNullPrototype`
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Start with issue #24 and compare the proposed names against its stated constraints around Arrays, Objects, JSON import attributes, and allowed values. Done means the naming and scope question has a decided direction; no file or test entry point is mentioned in the payload.
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描述
preferNullPrototype is the current key name for the following reasons:
nullPrototypewas passed over because it is only the non-Array Objects that get null prototypes; Arrays do not.nullPrototypeForObjectsor similar was passed over because Arrays technically are Objects so this still has the same problem as (1)
While advancing this proposal to Stage 2.7, I think the committee was split on (1) but generally agreed that (2) is a bit too pedantic. So we are reconsidering names that somehow mention Object -- we heard the following in committee:
nullPrototypeObjects: boolean
nullObjectPrototype: boolean
We also heard the following:
objectPrototype: null | ???
This option opens the door do doing things like objectPrototype: MyThing.prototype where MyThing is some user-defined class. This would not be possible in import attributes, assuming we add this key to JSON import attributes. It also would expand the scope of this proposal considerably. So assuming we are not going to do that, null and undefined (which would lead to the default Object.prototype) would be the only permissible values for objectPrototype.
I think my current weak preference is for nullPrototypeObjects.
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难度 5/5 一周以上 新手友好度 35/100
tc39/proposal-json-parseimmutable#25 · 5 条评论 · 2 个 reaction ·
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