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js: export more classes, root_entries list method

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Brandon Liu
2022-06-01 10:10:41 +08:00
parent bd64156412
commit 6018d3d547
1 changed files with 13 additions and 4 deletions
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17
js/index.ts
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@@ -225,7 +225,7 @@ export interface Source {
getKey: () => string;
}
class FileSource implements Source {
export class FileSource implements Source {
file: File;
constructor(file: File) {
@@ -243,7 +243,7 @@ class FileSource implements Source {
}
}
class FetchSource implements Source {
export class FetchSource implements Source {
url: string;
constructor(url: string) {
@@ -279,7 +279,7 @@ interface CacheEntry {
buffer: Promise<DataView>;
}
class LRUCacheSource implements Source {
export class LRUCacheSource implements Source {
entries: Map<number, CacheEntry>;
maxEntries: number;
source: Source;
@@ -327,7 +327,7 @@ class LRUCacheSource implements Source {
export class PMTiles {
source: Source;
constructor(source: any, maxLeaves = 64) {
constructor(source: string | Source, maxLeaves = 64) {
if (typeof source === "string") {
this.source = new LRUCacheSource(new FetchSource(source), maxLeaves);
} else {
@@ -356,6 +356,15 @@ export class PMTiles {
};
}
async root_entries(): Promise<Entry[]> {
const root = await this.fetchRoot();
let entries = [];
for (var i = 0; i < root.header.root_entries; i++) {
entries.push(parseEntry(root.dir,i));
}
return entries;
}
async metadata(): Promise<any> {
const root = await this.fetchRoot();
const dec = new TextDecoder("utf-8");