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Handle edge case when no chara chunk

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This commit is contained in:
Cohee 2024-01-26 01:14:12 +02:00
parent 84a21fba27
commit 19c3b3016c
1 changed files with 6 additions and 1 deletions
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7
src/character-card-parser.js
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@ -18,12 +18,17 @@ const parse = async (cardUrl, format) => {
}); });
if (textChunks.length === 0) { if (textChunks.length === 0) {
console.error('PNG metadata does not contain any character data.'); console.error('PNG metadata does not contain any text chunks.');
throw new Error('No PNG metadata.'); throw new Error('No PNG metadata.');
} }
let index = textChunks.findIndex((chunk) => chunk.keyword.toLowerCase() == 'chara'); let index = textChunks.findIndex((chunk) => chunk.keyword.toLowerCase() == 'chara');
if (index === -1) {
console.error('PNG metadata does not contain any character data.');
throw new Error('No PNG metadata.');
}
return Buffer.from(textChunks[index].text, 'base64').toString('utf8'); return Buffer.from(textChunks[index].text, 'base64').toString('utf8');
} }
default: default: