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refactor: remove unneeded for loop

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Signed-off-by: Andrew Calcutt <acalcutt@techidiots.net>
This commit is contained in:
Andrew Calcutt 2023-10-09 13:48:51 -04:00
parent a346462ae8
commit 79b9ebdc08
1 changed files with 3 additions and 12 deletions
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15
src/pmtiles_adapter.js
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@ -10,18 +10,9 @@ const PMTilesLocalSource = class {
} }
async getBytes(offset, length) { async getBytes(offset, length) {
const sharedBuffer = Buffer.alloc(length); const sharedBuffer = Buffer.alloc(length);
const fd = fs.openSync(this.file); // file descriptor const fd = fs.openSync(this.file, 'r'); // file descriptor
let bytesRead = 0; // how many bytes were read await ReadBytes(fd, sharedBuffer, offset);
fs.closeSync(fd); //close file descriptor when finished
for (let i = 0; i < length; i++) {
let postion = offset + i;
await ReadBytes(fd, sharedBuffer, postion);
bytesRead = (i + 1) * length;
if (bytesRead === length) {
break;
}
}
fs.closeSync(fd); //close file when finished
return { data: BufferToArrayBuffer(sharedBuffer) }; return { data: BufferToArrayBuffer(sharedBuffer) };
} }
}; };