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feat: add BufferToArrayBuffer function

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Signed-off-by: Andrew Calcutt <acalcutt@techidiots.net>
This commit is contained in:
Andrew Calcutt 2023-10-07 01:49:25 -04:00
parent 1984c143ac
commit f38ba7fe2a
1 changed files with 8 additions and 3 deletions
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11
src/utils.js
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@ -178,14 +178,19 @@ const PMTilesLocalSource = class {
}
};
export const GetPMtilesInfo = async (pmtilesFile) => {
const buffer = fs.readFileSync(pmtilesFile)
function BufferToArrayBuffer(buffer) {
const arrayBuffer = new ArrayBuffer(buffer.length);
const view = new Uint8Array(arrayBuffer);
for (let i = 0; i < buffer.length; ++i) {
view[i] = buffer[i];
}
let source = new PMTilesLocalSource(arrayBuffer);
const v = new DataView(arrayBuffer);
return arrayBuffer;
}
export const GetPMtilesInfo = async (pmtilesFile) => {
var buffer = BufferToArrayBuffer(fs.readFileSync(pmtilesFile));
let source = new PMTilesLocalSource(buffer);
let pmtiles = new PMTiles.PMTiles(source);
const header = await pmtiles.getHeader();