March 2020 - Githubissues

babel / proposals

✍️ Tracking the status of Babel's implementation of TC39 proposals (may be out of date)

https://github.com/tc39/proposals

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Open jridgewell opened 4 years ago

jridgewell commented 4 years ago

jridgewell commented 4 years ago

"Aligning atomics with wasm: allow it on non-shared ArrayBuffers" achieved consensus.

jridgewell commented 4 years ago

"Make SharedArrayBuffer optional" achieved consensus

jridgewell commented 4 years ago

"Add support for 'OptionalChain'.PrivateIdentifier in class features proposals", both syntax forms achieved consensus

jridgewell commented 4 years ago

"TypedArray stride parameter for Stage 2" did not reach Stage 2

jridgewell commented 4 years ago

"Logical Assignment" reaches Stage 3

jridgewell commented 4 years ago

"Number.range and BigInt.range" reaches Stage 1

jridgewell commented 4 years ago

Generically forbid extensions of all 402 methods reached consensus

jridgewell commented 4 years ago

"WeakRefs FinalizationRegistry API change" reached consensus

jridgewell commented 4 years ago

"Ergonomic brand checks for Private Fields" reaches Stage 1

jridgewell commented 4 years ago

"Compartments" reaches Stage 1

jridgewell commented 4 years ago

"Intl.NumberFormat v3" reaches Stage 1

jridgewell commented 4 years ago

"import.meta" reaches Stage 4

jridgewell commented 4 years ago

"Surrogate pairs in RegExp capture group names" reached consensus

/(?<\ud835\udc9c>.)/ will be made legal
/(?<\ud835\udc9c>.)/u remains legal
/(?<\u{1d49c}>.)/ will be made legal
/(?<\u{1d49c}>.)/u remains legal
/(?<𝒜>)/ and /(?<𝒜>)/u will remain legal

jridgewell commented 4 years ago

"Atomics.waitAsync error rejection PR" reached consensus with the return type:


{async: false, value: "not-equal" | "timed-out" } | { async: true, value: Promise<"ok" | "timed-out"> }