Rewrite core around shared rows and render graphs

Co-authored-by: Heaust Azure <heaust.azure@gmail.com>
Amp-Thread-ID: https://ampcode.com/threads/T-01a01380-b478-77d0-84a0-102880a5c5ae

addons/render-graph-js/src/index.js

@@ -1,67 +1,12 @@
-import {
-  createGraphAst,
-  reference,
-  serializeGraphAst,
-} from "@yawn/render-graph-ast";
+import { createGraphAst, serializeGraphAst } from "@yawn/render-graph-ast";
 
-/** Compiles a plain JavaScript object description into the canonical graph AST. */
-export const graphFromObject = (description) => createGraphAst(description);
+/** Converts a plain JavaScript object into the canonical render-graph AST. */
+export const graphFromObject = graph => createGraphAst(graph);
 
-/** Small mutable authoring facade; `ast()` returns an immutable canonical AST. */
-export class RenderGraph {
-  #id;
-  #revision;
-  #nodes = [];
-  #render = [];
-  #compute = [];
-
-  constructor(id, revision = 1) {
-    this.#id = id;
-    this.#revision = revision;
-  }
-
-  renderPipeline(declaration) {
-    this.#render.push(structuredClone(declaration));
-    return this;
-  }
-
-  computePipeline(declaration) {
-    this.#compute.push(structuredClone(declaration));
-    return this;
-  }
-
-  node(id, executor, { version = 1, parameters = {}, inputs = {}, state = "enabled" } = {}) {
-    this.#nodes.push({
-      id,
-      state,
-      executor: { key: executor, version },
-      parameters: structuredClone(parameters),
-      inputs: structuredClone(inputs),
-    });
-    return this;
-  }
-
-  ast() {
-    return createGraphAst({
-      id: this.#id,
-      revision: this.#revision,
-      pipelines: { render: this.#render, compute: this.#compute },
-      nodes: this.#nodes,
-    });
-  }
-
-  serialize() {
-    return serializeGraphAst(this.ast());
-  }
-
-  load(core) {
-    return core.compileGraph(this.serialize());
-  }
+/** Serializes a JSO graph and asks Yawn Core to prepare and activate its loadout. */
+export function loadGraph(core, graph) {
+  if (!core?.loadGraph) throw new TypeError("core must be a YawnCore instance");
+  return core.loadGraph(serializeGraphAst(graphFromObject(graph)));
 }
 
-/** Canonicalizes a JSO/AST and sends its S-expression wire form to Yawn core. */
-export function loadGraph(core, description) {
-  return core.compileGraph(serializeGraphAst(graphFromObject(description)));
-}
-
-export { reference as ref, serializeGraphAst };
+export { serializeGraphAst };