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Handle more input types gracefully

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Surma
2021-05-24 17:56:53 +01:00
parent 4192c607f1
commit fa331586d7
1 changed files with 12 additions and 1 deletions
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13
libsquoosh/src/index.js
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@@ -9,7 +9,18 @@ import { autoOptimize } from './auto-optimizer.js';
export { ImagePool, encoders, preprocessors }; export { ImagePool, encoders, preprocessors };
async function decodeFile({ file }) { async function decodeFile({ file }) {
const buffer = await fsp.readFile(file); let buffer;
if (ArrayBuffer.isView(file)) {
buffer = Buffer.from(file.buffer);
} else if (file instanceof ArrayBuffer) {
buffer = Buffer.from(file);
} else if (file instanceof Buffer) {
buffer = file;
} else if (typeof file === 'string') {
buffer = await fsp.readFile(file);
} else {
throw Error('Unexpected input type');
}
const firstChunk = buffer.slice(0, 16); const firstChunk = buffer.slice(0, 16);
const firstChunkString = Array.from(firstChunk) const firstChunkString = Array.from(firstChunk)
.map((v) => String.fromCodePoint(v)) .map((v) => String.fromCodePoint(v))