File size: 2,189 Bytes
bc575bc | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 | import { combineFacetLoaders, type FacetLoader, type JsonValue } from "@earendil-works/chord";
import {
createFacetBundleArtifactLoader,
createFacetBundleLoader,
type FacetBundleArtifact,
readFacetBundleManifest,
} from "@earendil-works/chord/node";
const PRESENTATION_FACET_BUNDLES_KEY = "presentationFacetBundles";
const PI_PLUGIN_API = "@earendil-works/pi-coding-agent/experimental/plugin";
export function createSessionPluginFacetLoader(manifestPaths: readonly string[]): FacetLoader | undefined {
if (manifestPaths.length === 0) return undefined;
return combineFacetLoaders(manifestPaths.map(createOptionalSessionFacetLoader));
}
function createOptionalSessionFacetLoader(manifestPath: string): FacetLoader {
const loader = createFacetBundleLoader({
manifestPath,
entry: "session",
resolveExternal: resolvePluginExternal,
});
return {
async load() {
const manifest = await readFacetBundleManifest(manifestPath);
if (manifest.entries.session !== undefined) return loader.load();
return { facets: Object.freeze([]), async dispose() {} };
},
};
}
export function createPresentationFacetData(artifacts: readonly FacetBundleArtifact[]): JsonValue {
return {
[PRESENTATION_FACET_BUNDLES_KEY]: artifacts.map((artifact) => artifact as unknown as JsonValue),
};
}
/** Create local loaders only from artifacts selected and sent by the connected server. */
export function createPresentationFacetLoaders(data: JsonValue): readonly FacetLoader[] {
if (data === null || Array.isArray(data) || typeof data !== "object") {
throw new Error("Invalid presentation plugin data");
}
const artifacts = data[PRESENTATION_FACET_BUNDLES_KEY];
if (artifacts === undefined) return [];
if (!Array.isArray(artifacts)) throw new Error("Invalid presentation plugin bundle list");
return artifacts.map((artifact) =>
createFacetBundleArtifactLoader({ artifact, resolveExternal: resolvePluginExternal }),
);
}
function resolvePluginExternal(specifier: string): string | undefined {
if (specifier !== PI_PLUGIN_API) return undefined;
const extension = import.meta.url.endsWith(".ts") ? "ts" : "js";
return new URL(`../plugin.${extension}`, import.meta.url).href;
}
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