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skypress.blog/
Harden cc-line index + cover multibyte handle offsets
author
Jeremy Herve
date
(Jun 12, 2026, 5:51 PM +0200)
commit
7d5b3087
7d5b3087f6c95744a25e55cdd084a49369717ad8
parent
5784de6b
5784de6bb0396f27a6da5d1860be8dd5c418310d
+19
-1
+17
src/lib/publish/post-text.test.ts
+17
src/lib/publish/post-text.test.ts
···
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);
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expect( slice ).toBe( '@alice.bsky.social' );
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} );
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+
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it( 'computes correct byte offsets for a multibyte handle', () => {
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const handle = 'señor.bsky.social';
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const { text, facets } = assemblePostText( {
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title: 'Hi',
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articleUrl: URL,
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mentions: [ { did: 'did:plc:s', handle, displayText: `@${ handle }` } ],
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} );
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const mention = facets.find(
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( f ) => f.features[ 0 ].$type === 'app.bsky.richtext.facet#mention'
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)!;
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const buf = new TextEncoder().encode( text );
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const slice = new TextDecoder().decode(
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buf.slice( mention.index.byteStart, mention.index.byteEnd )
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);
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expect( slice ).toBe( `@${ handle }` );
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} );
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} );
+2
-1
src/lib/publish/post-text.ts
+2
-1
src/lib/publish/post-text.ts
···
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// Mention facets (each @handle inside the cc line).
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if ( ccLine ) {
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-
const ccIndex = segments.indexOf( ccLine );
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+
// The cc line, when present, is always the second-to-last segment (before the URL).
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const ccIndex = segments.length - 2;
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let local = utf8ByteLength( 'cc ' );
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mentions.forEach( ( mention, i ) => {
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if ( i > 0 ) {