ComfyUI/web/scripts/app.js
2023-08-23 11:08:13 -05:00

944 lines
25 KiB
JavaScript

import { ComfyLogging } from "./logging.js";
import { ComfyWidgets } from "./widgets.js";
import { ComfyUI, $el } from "./ui.js";
import { api } from "./api.js";
import { defaultGraph } from "./defaultGraph.js";
import { getPngMetadata, importA1111, getLatentMetadata } from "./pnginfo.js";
import { LiteGraph } from "../lib/litegraph.core.js"
import ComfyGraph from "./graph.js";
import ComfyGraphCanvas from "./graphCanvas.js";
import { ComfyBackendNode } from "./graphNode.js";
/**
* @typedef {import("types/comfy").ComfyExtension} ComfyExtension
*/
export class ComfyApp {
/**
* List of entries to queue
* @type {{number: number, batchCount: number}[]}
*/
#queueItems = [];
/**
* If the queue is currently being processed
* @type {boolean}
*/
#processingQueue = false;
/**
* Content Clipboard
* @type {serialized node object}
*/
static clipspace = null;
static clipspace_invalidate_handler = null;
static open_maskeditor = null;
static clipspace_return_node = null;
constructor() {
this.ui = new ComfyUI(this);
this.logging = new ComfyLogging(this);
/**
* List of extensions that are registered with the app
* @type {ComfyExtension[]}
*/
this.extensions = [];
/**
* Stores the execution output data for each node
* @type {Record<string, any>}
*/
this.nodeOutputs = {};
/**
* Stores the preview image data for each node
* @type {Record<string, Image>}
*/
this.nodePreviewImages = {};
/**
* If the shift key on the keyboard is pressed
* @type {boolean}
*/
this.shiftDown = false;
}
getPreviewFormatParam() {
let preview_format = this.ui.settings.getSettingValue("Comfy.PreviewFormat");
if(preview_format)
return `&preview=${preview_format}`;
else
return "";
}
static isImageNode(node) {
return node.imgs || (node && node.widgets && node.widgets.findIndex(obj => obj.name === 'image') >= 0);
}
static onClipspaceEditorSave() {
if(ComfyApp.clipspace_return_node) {
ComfyApp.pasteFromClipspace(ComfyApp.clipspace_return_node);
}
}
static onClipspaceEditorClosed() {
ComfyApp.clipspace_return_node = null;
}
static copyToClipspace(node) {
var widgets = null;
if(node.widgets) {
widgets = node.widgets.map(({ type, name, value }) => ({ type, name, value }));
}
var imgs = undefined;
var orig_imgs = undefined;
if(node.imgs != undefined) {
imgs = [];
orig_imgs = [];
for (let i = 0; i < node.imgs.length; i++) {
imgs[i] = new Image();
imgs[i].src = node.imgs[i].src;
orig_imgs[i] = imgs[i];
}
}
var selectedIndex = 0;
if(node.imageIndex) {
selectedIndex = node.imageIndex;
}
ComfyApp.clipspace = {
'widgets': widgets,
'imgs': imgs,
'original_imgs': orig_imgs,
'images': node.images,
'selectedIndex': selectedIndex,
'img_paste_mode': 'selected' // reset to default im_paste_mode state on copy action
};
ComfyApp.clipspace_return_node = null;
if(ComfyApp.clipspace_invalidate_handler) {
ComfyApp.clipspace_invalidate_handler();
}
}
static pasteFromClipspace(node) {
if(ComfyApp.clipspace) {
// image paste
if(ComfyApp.clipspace.imgs && node.imgs) {
if(node.images && ComfyApp.clipspace.images) {
if(ComfyApp.clipspace['img_paste_mode'] == 'selected') {
node.images = [ComfyApp.clipspace.images[ComfyApp.clipspace['selectedIndex']]];
}
else {
node.images = ComfyApp.clipspace.images;
}
if(app.nodeOutputs[node.id + ""])
app.nodeOutputs[node.id + ""].images = node.images;
}
if(ComfyApp.clipspace.imgs) {
// deep-copy to cut link with clipspace
if(ComfyApp.clipspace['img_paste_mode'] == 'selected') {
const img = new Image();
img.src = ComfyApp.clipspace.imgs[ComfyApp.clipspace['selectedIndex']].src;
node.imgs = [img];
node.imageIndex = 0;
}
else {
const imgs = [];
for(let i=0; i<ComfyApp.clipspace.imgs.length; i++) {
imgs[i] = new Image();
imgs[i].src = ComfyApp.clipspace.imgs[i].src;
node.imgs = imgs;
}
}
}
}
if(node.widgets) {
if(ComfyApp.clipspace.images) {
const clip_image = ComfyApp.clipspace.images[ComfyApp.clipspace['selectedIndex']];
const index = node.widgets.findIndex(obj => obj.name === 'image');
if(index >= 0) {
if(node.widgets[index].type != 'image' && typeof node.widgets[index].value == "string" && clip_image.filename) {
node.widgets[index].value = (clip_image.subfolder?clip_image.subfolder+'/':'') + clip_image.filename + (clip_image.type?` [${clip_image.type}]`:'');
}
else {
node.widgets[index].value = clip_image;
}
}
}
if(ComfyApp.clipspace.widgets) {
ComfyApp.clipspace.widgets.forEach(({ type, name, value }) => {
const prop = Object.values(node.widgets).find(obj => obj.type === type && obj.name === name);
if (prop && prop.type != 'button') {
if(prop.type != 'image' && typeof prop.value == "string" && value.filename) {
prop.value = (value.subfolder?value.subfolder+'/':'') + value.filename + (value.type?` [${value.type}]`:'');
}
else {
prop.value = value;
prop.callback(value);
}
}
});
}
}
app.graph.setDirtyCanvas(true);
}
}
/**
* Invoke an extension callback
* @param {keyof ComfyExtension} method The extension callback to execute
* @param {any[]} args Any arguments to pass to the callback
* @returns
*/
#invokeExtensions(method, ...args) {
let results = [];
for (const ext of this.extensions) {
if (method in ext) {
try {
results.push(ext[method](...args, this));
} catch (error) {
console.error(
`Error calling extension '${ext.name}' method '${method}'`,
{ error },
{ extension: ext },
{ args }
);
}
}
}
return results;
}
/**
* Invoke an async extension callback
* Each callback will be invoked concurrently
* @param {string} method The extension callback to execute
* @param {...any} args Any arguments to pass to the callback
* @returns
*/
async #invokeExtensionsAsync(method, ...args) {
return await Promise.all(
this.extensions.map(async (ext) => {
if (method in ext) {
try {
return await ext[method](...args, this);
} catch (error) {
console.error(
`Error calling extension '${ext.name}' method '${method}'`,
{ error },
{ extension: ext },
{ args }
);
}
}
})
);
}
/**
* Adds a handler allowing drag+drop of files onto the window to load workflows
*/
#addDropHandler() {
// Get prompt from dropped PNG or json
document.addEventListener("drop", async (event) => {
event.preventDefault();
event.stopPropagation();
const n = this.dragOverNode;
this.dragOverNode = null;
// Node handles file drop, we dont use the built in onDropFile handler as its buggy
// If you drag multiple files it will call it multiple times with the same file
if (n && n.onDragDrop && (await n.onDragDrop(event))) {
return;
}
// Dragging from Chrome->Firefox there is a file but its a bmp, so ignore that
if (event.dataTransfer.files.length && event.dataTransfer.files[0].type !== "image/bmp") {
await this.handleFile(event.dataTransfer.files[0]);
} else {
// Try loading the first URI in the transfer list
const validTypes = ["text/uri-list", "text/x-moz-url"];
const match = [...event.dataTransfer.types].find((t) => validTypes.find(v => t === v));
if (match) {
const uri = event.dataTransfer.getData(match)?.split("\n")?.[0];
if (uri) {
await this.handleFile(await (await fetch(uri)).blob());
}
}
}
});
// Always clear over node on drag leave
this.canvasEl.addEventListener("dragleave", async () => {
if (this.dragOverNode) {
this.dragOverNode = null;
this.graph.setDirtyCanvas(false, true);
}
});
// Add handler for dropping onto a specific node
this.canvasEl.addEventListener(
"dragover",
(e) => {
this.canvas.adjustMouseEvent(e);
const node = this.graph.getNodeOnPos(e.canvasX, e.canvasY);
if (node) {
if (node.onDragOver && node.onDragOver(e)) {
this.dragOverNode = node;
// dragover event is fired very frequently, run this on an animation frame
requestAnimationFrame(() => {
this.graph.setDirtyCanvas(false, true);
});
return;
}
}
this.dragOverNode = null;
},
false
);
}
/**
* Adds a handler on paste that extracts and loads workflows from pasted JSON data
*/
#addPasteHandler() {
document.addEventListener("paste", (e) => {
let data = (e.clipboardData || window.clipboardData).getData("text/plain");
let workflow;
try {
data = data.slice(data.indexOf("{"));
workflow = JSON.parse(data);
} catch (err) {
try {
data = data.slice(data.indexOf("workflow\n"));
data = data.slice(data.indexOf("{"));
workflow = JSON.parse(data);
} catch (error) {}
}
if (workflow && workflow.version && workflow.nodes && workflow.extra) {
this.loadGraphData(workflow);
}
});
}
/**
* Handles updates from the API socket
*/
#addApiUpdateHandlers() {
api.addEventListener("status", ({ detail }) => {
this.ui.setStatus(detail);
});
api.addEventListener("reconnecting", () => {
this.ui.dialog.show("Reconnecting...");
});
api.addEventListener("reconnected", () => {
this.ui.dialog.close();
});
api.addEventListener("progress", ({ detail }) => {
this.progress = detail;
this.graph.setDirtyCanvas(true, false);
});
api.addEventListener("executing", ({ detail }) => {
this.progress = null;
this.runningNodeId = detail;
this.graph.setDirtyCanvas(true, false);
delete this.nodePreviewImages[this.runningNodeId]
});
api.addEventListener("executed", ({ detail }) => {
this.nodeOutputs[detail.node] = detail.output;
const node = this.graph.getNodeById(detail.node);
if (node) {
if (node.onExecuted)
node.onExecuted(detail.output);
}
});
api.addEventListener("execution_start", ({ detail }) => {
this.runningNodeId = null;
this.lastExecutionError = null
});
api.addEventListener("execution_error", ({ detail }) => {
this.lastExecutionError = detail;
const formattedError = this.#formatExecutionError(detail);
this.ui.dialog.show(formattedError);
this.canvas.draw(true, true);
});
api.addEventListener("b_preview", ({ detail }) => {
const id = this.runningNodeId
if (id == null)
return;
const blob = detail
const blobUrl = URL.createObjectURL(blob)
this.nodePreviewImages[id] = [blobUrl]
});
api.init();
}
#addKeyboardHandler() {
window.addEventListener("keydown", (e) => {
this.shiftDown = e.shiftKey;
});
window.addEventListener("keyup", (e) => {
this.shiftDown = e.shiftKey;
});
}
/**
* Loads all extensions from the API into the window in parallel
*/
async #loadExtensions() {
const extensions = await api.getExtensions();
this.logging.addEntry("Comfy.App", "debug", { Extensions: extensions });
const extensionPromises = extensions.map(async ext => {
try {
await import(api.apiURL(ext));
} catch (error) {
console.error("Error loading extension", ext, error);
}
});
await Promise.all(extensionPromises);
}
/**
* Set up the app on the page
*/
async setup() {
await this.#loadExtensions();
// Create and mount the LiteGraph in the DOM
const mainCanvas = document.createElement("canvas")
mainCanvas.style.touchAction = "none"
const canvasEl = (this.canvasEl = Object.assign(mainCanvas, { id: "graph-canvas" }));
canvasEl.tabIndex = "1";
document.body.prepend(canvasEl);
this.graph = new ComfyGraph(this);
const canvas = (this.canvas = new ComfyGraphCanvas(canvasEl, this.graph, this));
this.ctx = canvasEl.getContext("2d");
LiteGraph.release_link_on_empty_shows_menu = true;
LiteGraph.alt_drag_do_clone_nodes = true;
this.graph.start();
function resizeCanvas() {
// Limit minimal scale to 1, see https://github.com/comfyanonymous/ComfyUI/pull/845
const scale = Math.max(window.devicePixelRatio, 1);
const { width, height } = canvasEl.getBoundingClientRect();
canvasEl.width = Math.round(width * scale);
canvasEl.height = Math.round(height * scale);
canvasEl.getContext("2d").scale(scale, scale);
canvas.draw(true, true);
}
// Ensure the canvas fills the window
resizeCanvas();
window.addEventListener("resize", resizeCanvas);
await this.#invokeExtensionsAsync("init");
await this.registerNodes();
// Load previous workflow
let restored = false;
try {
const json = localStorage.getItem("workflow");
if (json) {
const workflow = JSON.parse(json);
this.loadGraphData(workflow);
restored = true;
}
} catch (err) {
console.error("Error loading previous workflow", err);
}
// We failed to restore a workflow so load the default
if (!restored) {
this.loadGraphData();
}
// Save current workflow automatically
setInterval(() => localStorage.setItem("workflow", JSON.stringify(this.graph.serialize())), 1000);
this.#addApiUpdateHandlers();
this.#addDropHandler();
this.#addPasteHandler();
this.#addKeyboardHandler();
await this.#invokeExtensionsAsync("setup");
}
/**
* Registers nodes with the graph
*/
async registerNodes() {
const app = this;
// Load node definitions from the backend
const defs = await api.getNodeDefs();
await this.registerNodesFromDefs(defs);
await this.#invokeExtensionsAsync("registerCustomNodes");
// Hide litegraph Subgraph from menu until it's implemented
LiteGraph.registered_node_types["graph/subgraph"].hide_in_node_lists = true;
}
async registerNodesFromDefs(defs) {
await this.#invokeExtensionsAsync("addCustomNodeDefs", defs);
// // Generate list of known widgets
// const widgets = Object.assign(
// {},
// ComfyWidgets,
// ...(await this.#invokeExtensionsAsync("getCustomWidgets")).filter(Boolean)
// );
// Generate list of known widgets
const customWidgets = (await app.#invokeExtensionsAsync("getCustomWidgets")).filter(Boolean);
ComfyWidgets.customWidgets = customWidgets;
// Register a node for each definition
for (const nodeId in defs) {
const nodeData = defs[nodeId];
const ctor = class extends ComfyBackendNode {
constructor(title) {
super(title, nodeId, nodeData);
}
}
const node = {
class: ctor,
title: nodeData.display_name || nodeData.name,
desc: `ComfyNode: ${nodeId}`
}
node.type = nodeId;
await this.#invokeExtensionsAsync("beforeRegisterNodeDef", node, nodeData);
LiteGraph.registerNodeType(node);
node.category = nodeData.category;
}
}
/**
* Populates the graph with the specified workflow data
* @param {*} graphData A serialized graph object
*/
loadGraphData(graphData) {
this.clean();
let reset_invalid_values = false;
if (!graphData) {
graphData = structuredClone(defaultGraph);
reset_invalid_values = true;
}
const missingNodeTypes = [];
for (let n of graphData.nodes) {
// Patch T2IAdapterLoader to ControlNetLoader since they are the same node now
if (n.type == "T2IAdapterLoader") n.type = "ControlNetLoader";
// Find missing node types
if (!(n.type in LiteGraph.registered_node_types)) {
missingNodeTypes.push(n.type);
}
}
try {
this.graph.configure(graphData);
} catch (error) {
let errorHint = [];
// Try extracting filename to see if it was caused by an extension script
const filename = error.fileName || (error.stack || "").match(/(\/extensions\/.*\.js)/)?.[1];
const pos = (filename || "").indexOf("/extensions/");
if (pos > -1) {
errorHint.push(
$el("span", { textContent: "This may be due to the following script:" }),
$el("br"),
$el("span", {
style: {
fontWeight: "bold",
},
textContent: filename.substring(pos),
})
);
}
// Show dialog to let the user know something went wrong loading the data
this.ui.dialog.show(
$el("div", [
$el("p", { textContent: "Loading aborted due to error reloading workflow data" }),
$el("pre", {
style: { padding: "5px", backgroundColor: "rgba(255,0,0,0.2)" },
textContent: error.toString(),
}),
$el("pre", {
style: {
padding: "5px",
color: "#ccc",
fontSize: "10px",
maxHeight: "50vh",
overflow: "auto",
backgroundColor: "rgba(0,0,0,0.2)",
},
textContent: error.stack || "No stacktrace available",
}),
...errorHint,
]).outerHTML
);
return;
}
for (const node of this.graph._nodes) {
const size = node.computeSize();
size[0] = Math.max(node.size[0], size[0]);
size[1] = Math.max(node.size[1], size[1]);
node.size = size;
if (node.widgets) {
// If you break something in the backend and want to patch workflows in the frontend
// This is the place to do this
for (let widget of node.widgets) {
if (node.type == "KSampler" || node.type == "KSamplerAdvanced") {
if (widget.name == "sampler_name") {
if (widget.value.startsWith("sample_")) {
widget.value = widget.value.slice(7);
}
}
}
if (node.type == "KSampler" || node.type == "KSamplerAdvanced" || node.type == "PrimitiveNode") {
if (widget.name == "control_after_generate") {
if (widget.value === true) {
widget.value = "randomize";
} else if (widget.value === false) {
widget.value = "fixed";
}
}
}
if (reset_invalid_values) {
if (widget.type == "combo") {
if (!widget.options.values.includes(widget.value) && widget.options.values.length > 0) {
widget.value = widget.options.values[0];
}
}
}
}
}
this.#invokeExtensions("loadedGraphNode", node);
}
if (missingNodeTypes.length) {
this.ui.dialog.show(
`When loading the graph, the following node types were not found: <ul>${Array.from(new Set(missingNodeTypes)).map(
(t) => `<li>${t}</li>`
).join("")}</ul>Nodes that have failed to load will show as red on the graph.`
);
this.logging.addEntry("Comfy.App", "warn", {
MissingNodes: missingNodeTypes,
});
}
}
/**
* Converts the current graph workflow for sending to the API
* @returns The workflow and node links
*/
async graphToPrompt() {
const workflow = this.graph.serialize();
const output = {};
// Process nodes in order of execution
for (const node of this.graph.computeExecutionOrder(false)) {
const n = workflow.nodes.find((n) => n.id === node.id);
if (node.isVirtualNode) {
// Don't serialize frontend only nodes but let them make changes
if (node.applyToGraph) {
node.applyToGraph(workflow);
}
continue;
}
if (node.mode === 2 || node.mode === 4) {
// Don't serialize muted nodes
continue;
}
const inputs = {};
const widgets = node.widgets;
// Store all widget values
if (widgets) {
for (const i in widgets) {
const widget = widgets[i];
if (!widget.options || widget.options.serialize !== false) {
inputs[widget.name] = widget.serializeValue ? await widget.serializeValue(n, i) : widget.value;
}
}
}
// Store all node links
for (let i in node.inputs) {
let parent = node.getInputNode(i);
if (parent) {
let link = node.getInputLink(i);
while (parent.mode === 4 || parent.isVirtualNode) {
let found = false;
if (parent.isVirtualNode) {
link = parent.getInputLink(link.origin_slot);
if (link) {
parent = parent.getInputNode(link.target_slot);
if (parent) {
found = true;
}
}
} else if (link && parent.mode === 4) {
let all_inputs = [link.origin_slot];
if (parent.inputs) {
all_inputs = all_inputs.concat(Object.keys(parent.inputs))
for (let parent_input in all_inputs) {
parent_input = all_inputs[parent_input];
if (parent.inputs[parent_input].type === node.inputs[i].type) {
link = parent.getInputLink(parent_input);
if (link) {
parent = parent.getInputNode(parent_input);
}
found = true;
break;
}
}
}
}
if (!found) {
break;
}
}
if (link) {
inputs[node.inputs[i].name] = [String(link.origin_id), parseInt(link.origin_slot)];
}
}
}
output[String(node.id)] = {
inputs,
class_type: node.comfyClass,
};
}
// Remove inputs connected to removed nodes
for (const o in output) {
for (const i in output[o].inputs) {
if (Array.isArray(output[o].inputs[i])
&& output[o].inputs[i].length === 2
&& !output[output[o].inputs[i][0]]) {
delete output[o].inputs[i];
}
}
}
return { workflow, output };
}
#formatPromptError(error) {
if (error == null) {
return "(unknown error)"
}
else if (typeof error === "string") {
return error;
}
else if (error.stack && error.message) {
return error.toString()
}
else if (error.response) {
let message = error.response.error.message;
if (error.response.error.details)
message += ": " + error.response.error.details;
for (const [nodeID, nodeError] of Object.entries(error.response.node_errors)) {
message += "\n" + nodeError.class_type + ":"
for (const errorReason of nodeError.errors) {
message += "\n - " + errorReason.message + ": " + errorReason.details
}
}
return message
}
return "(unknown error)"
}
#formatExecutionError(error) {
if (error == null) {
return "(unknown error)"
}
const traceback = error.traceback.join("")
const nodeId = error.node_id
const nodeType = error.node_type
return `Error occurred when executing ${nodeType}:\n\n${error.exception_message}\n\n${traceback}`
}
async queuePrompt(number, batchCount = 1) {
this.#queueItems.push({ number, batchCount });
// Only have one action process the items so each one gets a unique seed correctly
if (this.#processingQueue) {
return;
}
this.#processingQueue = true;
this.lastNodeErrors = null;
try {
while (this.#queueItems.length) {
({ number, batchCount } = this.#queueItems.pop());
for (let i = 0; i < batchCount; i++) {
const p = await this.graphToPrompt();
try {
const res = await api.queuePrompt(number, p);
this.lastNodeErrors = res.node_errors;
if (this.lastNodeErrors.length > 0) {
this.canvas.draw(true, true);
}
} catch (error) {
const formattedError = this.#formatPromptError(error)
this.ui.dialog.show(formattedError);
if (error.response) {
this.lastNodeErrors = error.response.node_errors;
this.canvas.draw(true, true);
}
break;
}
for (const n of p.workflow.nodes) {
const node = graph.getNodeById(n.id);
if (node.widgets) {
for (const widget of node.widgets) {
// Allow widgets to run callbacks after a prompt has been queued
// e.g. random seed after every gen
if (widget.afterQueued) {
widget.afterQueued();
}
}
}
}
this.canvas.draw(true, true);
await this.ui.queue.update();
}
}
} finally {
this.#processingQueue = false;
}
}
/**
* Loads workflow data from the specified file
* @param {File} file
*/
async handleFile(file) {
if (file.type === "image/png") {
const pngInfo = await getPngMetadata(file);
if (pngInfo) {
if (pngInfo.workflow) {
this.loadGraphData(JSON.parse(pngInfo.workflow));
} else if (pngInfo.parameters) {
importA1111(this.graph, pngInfo.parameters);
}
}
} else if (file.type === "application/json" || file.name?.endsWith(".json")) {
const reader = new FileReader();
reader.onload = () => {
this.loadGraphData(JSON.parse(reader.result));
};
reader.readAsText(file);
} else if (file.name?.endsWith(".latent") || file.name?.endsWith(".safetensors")) {
const info = await getLatentMetadata(file);
if (info.workflow) {
this.loadGraphData(JSON.parse(info.workflow));
}
}
}
/**
* Registers a Comfy web extension with the app
* @param {ComfyExtension} extension
*/
registerExtension(extension) {
if (!extension.name) {
throw new Error("Extensions must have a 'name' property.");
}
if (this.extensions.find((ext) => ext.name === extension.name)) {
throw new Error(`Extension named '${extension.name}' already registered.`);
}
this.extensions.push(extension);
}
/**
* Refresh combo list on whole nodes
*/
async refreshComboInNodes() {
const defs = await api.getNodeDefs();
for(let nodeNum in this.graph._nodes) {
const node = this.graph._nodes[nodeNum];
const def = defs[node.type];
// HOTFIX: The current patch is designed to prevent the rest of the code from breaking due to primitive nodes,
// and additional work is needed to consider the primitive logic in the refresh logic.
if(!def)
continue;
for(const widgetNum in node.widgets) {
const widget = node.widgets[widgetNum]
if(widget.type == "combo" && def["input"]["required"][widget.name] !== undefined) {
widget.options.values = def["input"]["required"][widget.name][0];
if(widget.name != 'image' && !widget.options.values.includes(widget.value)) {
widget.value = widget.options.values[0];
widget.callback(widget.value);
}
}
}
}
}
/**
* Clean current state
*/
clean() {
this.nodeOutputs = {};
this.nodePreviewImages = {}
this.lastNodeErrors = null;
this.lastExecutionError = null;
this.runningNodeId = null;
}
}
export const app = new ComfyApp();