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js v2 compatibility shim supports tile cancellation

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This commit is contained in:
Brandon Liu
2022-10-05 17:22:37 +08:00
parent 64d7815149
commit b108831159
3 changed files with 11 additions and 9 deletions
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7
js/v2.ts
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@@ -261,7 +261,8 @@ async function getZxy(
cache: Cache,
z: number,
x: number,
y: number
y: number,
signal?: AbortSignal
): Promise<RangeResponse | undefined> {
let root_dir = await cache.getArrayBuffer(
source,
@@ -275,7 +276,7 @@ async function getZxy(
const entry = queryTile(new DataView(root_dir), z, x, y);
if (entry) {
let resp = await source.getBytes(entry.offset, entry.length); // TODO signal
let resp = await source.getBytes(entry.offset, entry.length, signal);
let tile_data = resp.data;
let view = new DataView(tile_data);
@@ -309,7 +310,7 @@ async function getZxy(
}
let tile_entry = queryTile(new DataView(leaf_dir), z, x, y);
if (tile_entry) {
let resp = await source.getBytes(tile_entry.offset, tile_entry.length); // TODO signal
let resp = await source.getBytes(tile_entry.offset, tile_entry.length, signal);
let tile_data = resp.data;
let view = new DataView(tile_data);