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refactor: Event and EventTarget implementations (#4707)

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Refactors Event and EventTarget so that they better encapsulate their
non-public data as well as are more forward compatible with things like
DOM Nodes.

Moves `dom_types.ts` -> `dom_types.d.ts` which was always the intention,
it was a legacy of when we used to build the types from the code and the
limitations of the compiler.  There was a lot of cruft in `dom_types`
which shouldn't have been there, and mis-alignment to the DOM standards.
This generally has been eliminated, though we still have some minor
differences from the DOM (like the removal of some deprecated
methods/properties).

Adds `DOMException`.  Strictly it shouldn't inherit from `Error`, but
most browsers provide a stack trace when one is thrown, so the behaviour
in Deno actually better matches the browser.

`Event` still doesn't log to console like it does in the browser.  I
 wanted to get this raised and that could be an enhancement later on (it
 currently doesn't either).
This commit is contained in:
Kitson Kelly 2020-04-12 01:42:02 +10:00 • committed by GitHub
parent 2b362bef85
commit fc4819e1e0
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40 changed files with 1205 additions and 1120 deletions
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2
cli/js/web/streams/transform-internals.ts
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@ -19,7 +19,7 @@
// import { createReadableStream } from "./readable-stream.ts";
// import { createWritableStream } from "./writable-stream.ts";
// import { QueuingStrategy, QueuingStrategySizeCallback } from "../dom_types.ts";
// import { QueuingStrategy, QueuingStrategySizeCallback } from "../dom_types.d.ts";
// export const state_ = Symbol("transformState_");
// export const backpressure_ = Symbol("backpressure_");