Config default templates

public/config.json

@@ -1,7 +1,9 @@
 {
-  "comfyUIHostname": "localhost",
-  "comfyUIPort": 8188,
-  "alwaysStripUserState": false,
-  "promptForWorkflowName": false,
-  "confirmWhenUnloadingUnsavedChanges": true
+	"comfyUIHostname": "localhost",
+	"comfyUIPort": 8188,
+	"alwaysStripUserState": false,
+	"promptForWorkflowName": false,
+	"confirmWhenUnloadingUnsavedChanges": true,
+	"builtInTemplates": ["ControlNet", "LoRA x5", "Model Loader", "Positive_Negative", "Seed Randomizer"],
+	"cacheBuiltInResources": true
 }

src/lib/ComfyBoxTemplate.ts

@@ -338,7 +338,6 @@ export function serializeTemplate(canvas: ComfyGraphCanvas, template: ComfyBoxTe
     uiState.update(s => { s.forceSaveUserState = null; return s; });
 
     nodes = relocateNodes(nodes);
-    nodes = removeTags(nodes);
     [nodes, links] = pruneDetachedLinks(nodes, links);
 
     const svg = renderSvg(canvas, graph, TEMPLATE_SVG_PADDING);
@@ -378,29 +377,21 @@ export function extractTemplateJSONFromSVG(svg: string): string | null {
 /*
  * Credit goes to pythongosssss for this format
  */
-export function deserializeTemplateFromSVG(file: File): Promise<SerializedComfyBoxTemplate> {
-    return new Promise((resolve, reject) => {
-        const reader = new FileReader();
-        reader.onload = async () => {
-            const svg = reader.result as string;
-            let template = null;
-            let templateJSON = extractTemplateJSONFromSVG(svg);
-            if (templateJSON)
-                template = JSON.parse(templateJSON);
+export function deserializeTemplateFromSVG(svg: string): SerializedComfyBoxTemplate | null {
+    let template = null;
+    let templateJSON = extractTemplateJSONFromSVG(svg);
+    if (templateJSON)
+        template = JSON.parse(templateJSON);
 
-            if (!isSerializedComfyBoxTemplate(template)) {
-                reject("Invalid template format!")
-            }
-            else {
-                template.svg = svg;
-                resolve(template)
-            }
-        };
-        reader.readAsText(file);
-    });
+    if (!isSerializedComfyBoxTemplate(template)) {
+        return null;
+    }
+    else {
+        template.svg = svg;
+        return template;
+    }
 }
 
-
 export function createTemplate(nodes: LGraphNode[]): ComfyBoxTemplateResult {
     if (nodes.length === 0) {
         return {

src/lib/components/ComfyApp.ts

@@ -29,7 +29,7 @@ import queueState from "$lib/stores/queueState";
 import selectionState from "$lib/stores/selectionState";
 import uiState from "$lib/stores/uiState";
 import workflowState, { ComfyBoxWorkflow, type WorkflowAttributes, type WorkflowInstID } from "$lib/stores/workflowState";
-import type { SerializedPromptOutput } from "$lib/utils";
+import { readFileToText, type SerializedPromptOutput } from "$lib/utils";
 import { basename, capitalize, download, graphToGraphVis, jsonToJsObject, promptToGraphVis, range } from "$lib/utils";
 import { tick } from "svelte";
 import { type SvelteComponentDev } from "svelte/internal";
@@ -264,9 +264,9 @@ export default class ComfyApp {
      */
     async loadConfig() {
         try {
-            const config = await fetch(`/config.json`);
-            const state = await config.json() as ConfigState;
-            configState.set(state);
+            const config = await fetch(`/config.json`, { cache: "no-store" });
+            const newConfig = await config.json() as ConfigState;
+            configState.set({ ...get(configState), ...newConfig });
         }
         catch (error) {
             console.error(`Failed to load config`, error)
@@ -274,7 +274,44 @@ export default class ComfyApp {
     }
 
     async loadBuiltInTemplates(): Promise<SerializedComfyBoxTemplate[]> {
-        return []
+        const builtInTemplates = get(configState).builtInTemplates
+        const options: RequestInit = get(configState).cacheBuiltInResources ? {} : { cache: "no-store" }
+        const promises = builtInTemplates.map(basename => {
+            return fetch(`/templates/${basename}.svg`, options)
+                .then(res => res.text())
+                .catch(error => error)
+        })
+
+        const [templates, error] = await Promise.all(promises).then((results) => {
+            const templates: SerializedComfyBoxTemplate[] = []
+            const errors: string[] = []
+
+            for (const r of results) {
+                if (r instanceof Error) {
+                    errors.push(r.toString())
+                }
+                else {
+                    // bare filename of image
+                    const svg = r as string;
+                    const templateAndSvg = deserializeTemplateFromSVG(svg)
+                    if (templateAndSvg == null) {
+                        errors.push("Invalid SVG template format")
+                    }
+                    templates.push(templateAndSvg)
+                }
+            }
+
+            let error = null;
+            if (errors && errors.length > 0)
+                error = "Error(s) loading builtin templates:\n" + errors.join("\n");
+
+            return [templates, error]
+        })
+
+        if (error)
+            notify(error, { type: "error" })
+
+        return templates;
     }
 
     resizeCanvas() {
@@ -786,7 +823,8 @@ export default class ComfyApp {
     async initDefaultWorkflow(name: string = "defaultWorkflow", options?: OpenWorkflowOptions) {
         let state = null;
         try {
-            const graphResponse = await fetch(`/workflows/${name}.json`);
+            const options: RequestInit = get(configState).cacheBuiltInResources ? {} : { cache: "no-store" }
+            const graphResponse = await fetch(`/workflows/${name}.json`, options);
             state = await graphResponse.json() as SerializedAppState;
         }
         catch (error) {
@@ -1061,7 +1099,12 @@ export default class ComfyApp {
             };
             reader.readAsText(file);
         } else if (file.type === "image/svg+xml" || file.name.endsWith(".svg")) {
-            const templateAndSvg = await deserializeTemplateFromSVG(file);
+            const svg = await readFileToText(file);
+            const templateAndSvg = deserializeTemplateFromSVG(svg);
+            if (templateAndSvg == null) {
+                notify("Invalid SVG template format!", { type: "error" })
+                return;
+            }
 
             const importTemplate = () => {
                 try {

src/lib/components/ImageUpload.svelte

@@ -89,7 +89,7 @@
 
                        for (const r of results) {
                            if (r instanceof Error) {
-                               errors.push(r.cause)
+                               errors.push(r.toString())
                            }
                            else {
                                // bare filename of image

src/lib/stores/configState.ts

@@ -17,6 +17,12 @@ export type ConfigState = {
 
     /** When closing the tab, open the confirmation window if there's unsaved changes */
     confirmWhenUnloadingUnsavedChanges: boolean,
+
+    /** Basenames of templates that can be loaded from public/templates. Saves LocalStorage space. */
+    builtInTemplates: string[],
+
+    /** Cache loading of built-in resources to save network use */
+    cacheBuiltInResources: boolean
 }
 
 type ConfigStateOps = {
@@ -30,7 +36,9 @@ const store: Writable<ConfigState> = writable(
         comfyUIPort: 8188,
         alwaysStripUserState: false,
         promptForWorkflowName: false,
-        confirmWhenUnloadingUnsavedChanges: true
+        confirmWhenUnloadingUnsavedChanges: true,
+        builtInTemplates: [],
+        cacheBuiltInResources: true,
     })
 
 function getBackendURL(): string {

src/lib/utils.ts

@@ -598,3 +598,13 @@ export function calcNodesBoundingBox(nodes: SerializedLGraphNode[]): Vector4 {
 
     return [min_x, min_y, max_x, max_y];
 }
+
+export async function readFileToText(file: File): Promise<string> {
+    return new Promise((resolve, reject) => {
+        const reader = new FileReader();
+        reader.onload = async () => {
+            resolve(reader.result as string);
+        };
+        reader.readAsText(file);
+    })
+}