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Deno 2.2 Improves Dependency Management and Expands Node.js Compatibility
Deno 2.2 enhances Node.js compatibility, improves dependency management, adds OpenTelemetry support, and expands linting and task automation for developers.
@rbxts/immut
Advanced tools
A draft-based immutable data library based on Immer
import Immut, { nothing, produce } from "@rbxts/immut";
let oldState: Array<string> | undefined;
const newState = produce(oldState, (draft) => {
if (!draft) return [];
// draft.includes(), draft.indexOf() NOT allowed as they compile to table.find, which is not draft-safe
// index starts at 1 for draft-safe table functions!
if (Immut.table.find(draft, "abc") !== undefined) return nothing;
if (Immut.table.find(draft, "abc") === 1) return nothing;
// draft.push(), draft.insert(), draft.unshift() NOT allowed as they compile to table.insert, which is not draft-safe
// index starts at 1 for draft-safe table functions!
Immut.table.insert(draft, 1, "draft-safe");
// draft.remove(), draft.shift() NOT allowed as they compile to table.remove, which is not draft-safe
Immut.table.remove(draft);
// index starts at 1 for draft-safe table functions!
Immut.table.remove(draft, 1);
draft.pop(); // allowed as it does not compile to table.remove: draft[#draft] = nil
// draft.sort() NOT allowed as it compiles to table.sort, which is not draft-safe
Immut.table.sort(draft, (a, b) => a > b);
// draft.clear() NOT allowed as it compiles to table.clear, which is not draft-safe
Immut.table.clear(draft);
// draft.join() NOT allowed as it compiles to table.concat, which is not draft-safe
Immut.table.concat(draft, ",");
// draft.move() NOT allowed as it compiles to table.concat, which is not draft-safe
// there are no draft-safe alternatives for draft.move(). consider using original() or current(), or manually move values over
});
const oldMapState = new Map<string, number>();
const newMapState = produce(oldMapState, (draft) => {
// draft.clear() NOT allowed as it compiles to table.clear, which is not draft-safe
Immut.table.clear(draft);
if (draft.get("foo") === undefined) draft.set("foo", 1);
});
const oldSetState = new Set<string>();
const newSetState = produce(oldSetState, (draft) => {
// draft.clear() NOT allowed as it compiles to table.clear, which is not draft-safe
Immut.table.clear(draft);
if (!draft.has("foo")) draft.add("foo");
});
FAQs
A draft-based immutable data library based on Immer
The npm package @rbxts/immut receives a total of 382 weekly downloads. As such, @rbxts/immut popularity was classified as not popular.
We found that @rbxts/immut demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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