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denoland-deno/js/resources.ts

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// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
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import { assert } from "./util";
import { sendSync, msg, flatbuffers } from "./dispatch_flatbuffers";
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export interface ResourceMap {
[rid: number]: string;
}
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/** Returns a map of open _file like_ resource ids along with their string
* representation.
*/
export function resources(): ResourceMap {
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const builder = flatbuffers.createBuilder();
const inner = msg.Resource.createResource(builder, 0, 0);
const baseRes = sendSync(builder, msg.Any.Resources, inner);
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assert(baseRes !== null);
assert(msg.Any.ResourcesRes === baseRes!.innerType());
const res = new msg.ResourcesRes();
assert(baseRes!.inner(res) !== null);
const resources: ResourceMap = {};
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for (let i = 0; i < res.resourcesLength(); i++) {
const item = res.resources(i)!;
resources[item.rid()!] = item.repr()!;
}
return resources;
}