a collection of lightweight TypeScript packages for AT Protocol, the protocol powering Bluesky
atproto
bluesky
typescript
npm
refactor(bluesky-richtext-builder): faster UTF-8 encoding
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-5
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.changeset/stale-years-press.md
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.changeset/stale-years-press.md
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-4
packages/bluesky/richtext-builder/lib/index.ts
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-4
packages/bluesky/richtext-builder/lib/index.ts
···
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import type { AppBskyRichtextFacet } from '@atcute/bluesky';
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import type { Did, GenericUri } from '@atcute/lexicons';
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import { getUtf8Length } from '@atcute/uint8array';
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type UnwrapArray<T> = T extends (infer V)[] ? V : never;
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···
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export type Facet = AppBskyRichtextFacet.Main;
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/** Feature union type from Facet['features'] */
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export type FacetFeature = UnwrapArray<Facet['features']>;
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const encoder = new TextEncoder();
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/** Resulting rich text */
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export interface BakedRichtext {
···
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// Calculate the starting index
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let start = 0;
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-
start += encoder.encode(segments[last] as string).byteLength;
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start += getUtf8Length(segments[last] as string);
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if (last !== 0) {
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start += (segments[last - 1] as Facet).index.byteEnd;
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}
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const byteLength = getUtf8Length(substr);
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const facet: Facet = {
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index: {
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byteStart: start,
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byteEnd: start + encoder.encode(substr).byteLength,
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byteEnd: start + byteLength,
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},
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features: [feature],
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};
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-1
packages/bluesky/richtext-builder/package.json
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packages/bluesky/richtext-builder/package.json