@snap/camera-kit/dist/lens/LensSource.js

Camera Kit Web

import { __awaiter } from "tslib";
import { Injectable } from "../dependency-injection/Injectable";
import { Envelope } from "../generated-proto/pb_schema/camera_kit/v3/export";
export const lensSourcesFactory = Injectable("lensSources", () => []);
export function loadLensesFromSources(sources, groupId, lensId) {
    return __awaiter(this, void 0, void 0, function* () {
        const source = sources.find((source) => source.isGroupOwner(groupId));
        if (!source) {
            throw new Error(`Cannot load lens ${lensId ? `${lensId} from ` : ""}group ${groupId}. ` +
                `No LensSource claimed ownership of that lens group.`);
        }
        const envelope = lensId === undefined ? yield source.loadLensGroup(groupId) : yield source.loadLens(lensId, groupId);
        return envelope instanceof ArrayBuffer || ArrayBuffer.isView(envelope)
            ? Envelope.decode(envelope instanceof Uint8Array ? envelope : new Uint8Array(envelope)).lenses
            : [];
    });
}
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