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Use uint8array.slice over new Uint8Array().set(uint8array.subarray)

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Fabian 2022-11-12 19:45:00 -06:00
parent adb7fe5441
commit 3880583470
1 changed files with 10 additions and 11 deletions
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21
src/buffer.js
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@ -211,7 +211,7 @@
{
var block = new Uint8Array(buffer);
this.handle_read(requested_start, requested_length, block);
if(requested_start == offset && requested_length == len)
if(requested_start === offset && requested_length === len)
{
fn(block);
}
@ -250,14 +250,15 @@
if(block === undefined)
{
block = new Uint8Array(BLOCK_SIZE);
this.block_cache.set(start_block + i, block);
const data_slice = data.slice(i * BLOCK_SIZE, (i + 1) * BLOCK_SIZE);
this.block_cache.set(start_block + i, data_slice);
}
else
{
const data_slice = data.subarray(i * BLOCK_SIZE, (i + 1) * BLOCK_SIZE);
dbg_assert(block.byteLength === data_slice.length);
block.set(data_slice);
}
var data_slice = data.subarray(i * BLOCK_SIZE, (i + 1) * BLOCK_SIZE);
block.set(data_slice);
dbg_assert(block.byteLength === data_slice.length);
this.block_cache_is_write.add(start_block + i);
}
@ -289,9 +290,7 @@
}
else if(this.cache_reads)
{
const cached = new Uint8Array(BLOCK_SIZE);
cached.set(block.subarray(i * BLOCK_SIZE, (i + 1) * BLOCK_SIZE));
this.block_cache.set(start_block + i, cached);
this.block_cache.set(start_block + i, block.slice(i * BLOCK_SIZE, (i + 1) * BLOCK_SIZE));
}
}
};