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js: cleaner 404 error, change max directory depth to <= 3

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This commit is contained in:
Brandon Liu
2022-10-14 14:45:22 +08:00
parent c42011ff7b
commit 37f315cc57
1 changed files with 6 additions and 1 deletions
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7
js/index.ts
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@@ -281,6 +281,11 @@ export class FetchSource implements Source {
signal: signal,
headers: { Range: "bytes=" + offset + "-" + (offset + length - 1) },
});
if (resp.status >= 300) {
throw Error("404");
controller.abort();
}
const contentLength = resp.headers.get("Content-Length");
if (!contentLength || +contentLength !== length) {
console.error(
@@ -789,7 +794,7 @@ export class PMTiles {
let d_o = header.rootDirectoryOffset;
let d_l = header.rootDirectoryLength;
for (let depth = 0; depth < 5; depth++) {
for (let depth = 0; depth <= 3; depth++) {
const directory = await this.cache.getDirectory(
this.source,
d_o,