The most powerful and modular stable diffusion GUI, api and backend with a graph/nodes interface.
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import {api} from "./api.js";
export function $el(tag, propsOrChildren, children) {
const split = tag.split(".");
const element = document.createElement(split.shift());
if (split.length > 0) {
element.classList.add(...split);
}
if (propsOrChildren) {
if (Array.isArray(propsOrChildren)) {
element.append(...propsOrChildren);
} else {
const {parent, $: cb, dataset, style} = propsOrChildren;
delete propsOrChildren.parent;
delete propsOrChildren.$;
delete propsOrChildren.dataset;
delete propsOrChildren.style;
if (Object.hasOwn(propsOrChildren, "for")) {
element.setAttribute("for", propsOrChildren.for)
}
if (style) {
Object.assign(element.style, style);
}
if (dataset) {
Object.assign(element.dataset, dataset);
}
Object.assign(element, propsOrChildren);
if (children) {
element.append(...children);
}
if (parent) {
parent.append(element);
}
if (cb) {
cb(element);
}
}
}
return element;
}
function dragElement(dragEl, settings) {
var posDiffX = 0,
posDiffY = 0,
posStartX = 0,
posStartY = 0,
newPosX = 0,
newPosY = 0;
if (dragEl.getElementsByClassName("drag-handle")[0]) {
// if present, the handle is where you move the DIV from:
dragEl.getElementsByClassName("drag-handle")[0].onmousedown = dragMouseDown;
} else {
// otherwise, move the DIV from anywhere inside the DIV:
dragEl.onmousedown = dragMouseDown;
}
// When the element resizes (e.g. view queue) ensure it is still in the windows bounds
const resizeObserver = new ResizeObserver(() => {
ensureInBounds();
}).observe(dragEl);
function ensureInBounds() {
if (dragEl.classList.contains("comfy-menu-manual-pos")) {
newPosX = Math.min(document.body.clientWidth - dragEl.clientWidth, Math.max(0, dragEl.offsetLeft));
newPosY = Math.min(document.body.clientHeight - dragEl.clientHeight, Math.max(0, dragEl.offsetTop));
positionElement();
}
}
function positionElement() {
const halfWidth = document.body.clientWidth / 2;
const anchorRight = newPosX + dragEl.clientWidth / 2 > halfWidth;
// set the element's new position:
if (anchorRight) {
dragEl.style.left = "unset";
dragEl.style.right = document.body.clientWidth - newPosX - dragEl.clientWidth + "px";
} else {
dragEl.style.left = newPosX + "px";
dragEl.style.right = "unset";
}
dragEl.style.top = newPosY + "px";
dragEl.style.bottom = "unset";
if (savePos) {
localStorage.setItem(
"Comfy.MenuPosition",
JSON.stringify({
x: dragEl.offsetLeft,
y: dragEl.offsetTop,
})
);
}
}
function restorePos() {
let pos = localStorage.getItem("Comfy.MenuPosition");
if (pos) {
pos = JSON.parse(pos);
newPosX = pos.x;
newPosY = pos.y;
positionElement();
ensureInBounds();
}
}
let savePos = undefined;
settings.addSetting({
id: "Comfy.MenuPosition",
name: "Save menu position",
type: "boolean",
defaultValue: savePos,
onChange(value) {
if (savePos === undefined && value) {
restorePos();
}
savePos = value;
},
});
function dragMouseDown(e) {
e = e || window.event;
e.preventDefault();
// get the mouse cursor position at startup:
posStartX = e.clientX;
posStartY = e.clientY;
document.onmouseup = closeDragElement;
// call a function whenever the cursor moves:
document.onmousemove = elementDrag;
}
function elementDrag(e) {
e = e || window.event;
e.preventDefault();
dragEl.classList.add("comfy-menu-manual-pos");
// calculate the new cursor position:
posDiffX = e.clientX - posStartX;
posDiffY = e.clientY - posStartY;
posStartX = e.clientX;
posStartY = e.clientY;
newPosX = Math.min(document.body.clientWidth - dragEl.clientWidth, Math.max(0, dragEl.offsetLeft + posDiffX));
newPosY = Math.min(document.body.clientHeight - dragEl.clientHeight, Math.max(0, dragEl.offsetTop + posDiffY));
positionElement();
}
window.addEventListener("resize", () => {
ensureInBounds();
});
function closeDragElement() {
// stop moving when mouse button is released:
document.onmouseup = null;
document.onmousemove = null;
}
}
export class ComfyDialog {
constructor() {
this.element = $el("div.comfy-modal", {parent: document.body}, [
$el("div.comfy-modal-content", [$el("p", {$: (p) => (this.textElement = p)}), ...this.createButtons()]),
]);
}
createButtons() {
return [
$el("button", {
type: "button",
textContent: "Close",
onclick: () => this.close(),
}),
];
}
close() {
this.element.style.display = "none";
}
show(html) {
if (typeof html === "string") {
this.textElement.innerHTML = html;
} else {
this.textElement.replaceChildren(html);
}
this.element.style.display = "flex";
}
}
class ComfySettingsDialog extends ComfyDialog {
constructor() {
super();
this.element = $el("dialog", {
id: "comfy-settings-dialog",
parent: document.body,
}, [
$el("table.comfy-modal-content.comfy-table", [
$el("caption", {textContent: "Settings"}),
$el("tbody", {$: (tbody) => (this.textElement = tbody)}),
$el("button", {
type: "button",
textContent: "Close",
style: {
cursor: "pointer",
},
onclick: () => {
this.element.close();
},
}),
]),
]);
this.settings = [];
}
getSettingValue(id, defaultValue) {
const settingId = "Comfy.Settings." + id;
const v = localStorage[settingId];
return v == null ? defaultValue : JSON.parse(v);
}
setSettingValue(id, value) {
const settingId = "Comfy.Settings." + id;
localStorage[settingId] = JSON.stringify(value);
}
addSetting({id, name, type, defaultValue, onChange, attrs = {}, tooltip = "", options = undefined}) {
if (!id) {
throw new Error("Settings must have an ID");
}
if (this.settings.find((s) => s.id === id)) {
throw new Error(`Setting ${id} of type ${type} must have a unique ID.`);
}
const settingId = `Comfy.Settings.${id}`;
const v = localStorage[settingId];
let value = v == null ? defaultValue : JSON.parse(v);
// Trigger initial setting of value
if (onChange) {
onChange(value, undefined);
}
this.settings.push({
render: () => {
const setter = (v) => {
if (onChange) {
onChange(v, value);
}
localStorage[settingId] = JSON.stringify(v);
value = v;
};
value = this.getSettingValue(id, defaultValue);
let element;
const htmlID = id.replaceAll(".", "-");
const labelCell = $el("td", [
$el("label", {
for: htmlID,
classList: [tooltip !== "" ? "comfy-tooltip-indicator" : ""],
textContent: name,
})
]);
if (typeof type === "function") {
element = type(name, setter, value, attrs);
} else {
switch (type) {
case "boolean":
element = $el("tr", [
labelCell,
$el("td", [
$el("input", {
id: htmlID,
type: "checkbox",
checked: value,
onchange: (event) => {
const isChecked = event.target.checked;
if (onChange !== undefined) {
onChange(isChecked)
}
this.setSettingValue(id, isChecked);
},
}),
]),
])
break;
case "number":
element = $el("tr", [
labelCell,
$el("td", [
$el("input", {
type,
value,
id: htmlID,
oninput: (e) => {
setter(e.target.value);
},
...attrs
}),
]),
]);
break;
case "slider":
element = $el("tr", [
labelCell,
$el("td", [
$el("div", {
style: {
display: "grid",
gridAutoFlow: "column",
},
}, [
$el("input", {
...attrs,
value,
type: "range",
oninput: (e) => {
setter(e.target.value);
e.target.nextElementSibling.value = e.target.value;
},
}),
$el("input", {
...attrs,
value,
id: htmlID,
type: "number",
style: {maxWidth: "4rem"},
oninput: (e) => {
setter(e.target.value);
e.target.previousElementSibling.value = e.target.value;
},
}),
]),
]),
]);
break;
case "combo":
element = $el("tr", [
labelCell,
$el("td", [
$el(
"select",
{
oninput: (e) => {
setter(e.target.value);
},
},
(typeof options === "function" ? options(value) : options || []).map((opt) => {
if (typeof opt === "string") {
opt = { text: opt };
}
const v = opt.value ?? opt.text;
return $el("option", {
value: v,
textContent: opt.text,
selected: value + "" === v + "",
});
})
),
]),
]);
break;
case "text":
default:
if (type !== "text") {
console.warn(`Unsupported setting type '${type}, defaulting to text`);
}
element = $el("tr", [
labelCell,
$el("td", [
$el("input", {
value,
id: htmlID,
oninput: (e) => {
setter(e.target.value);
},
...attrs,
}),
]),
]);
break;
}
}
if (tooltip) {
element.title = tooltip;
}
return element;
},
});
const self = this;
return {
get value() {
return self.getSettingValue(id, defaultValue);
},
set value(v) {
self.setSettingValue(id, v);
},
};
}
show() {
this.textElement.replaceChildren(
$el("tr", {
style: {display: "none"},
}, [
$el("th"),
$el("th", {style: {width: "33%"}})
]),
...this.settings.map((s) => s.render()),
)
this.element.showModal();
}
}
class ComfyList {
#type;
#text;
#reverse;
constructor(text, type, reverse) {
this.#text = text;
this.#type = type || text.toLowerCase();
this.#reverse = reverse || false;
this.element = $el("div.comfy-list");
this.element.style.display = "none";
}
get visible() {
return this.element.style.display !== "none";
}
async load() {
const items = await api.getItems(this.#type);
this.element.replaceChildren(
...Object.keys(items).flatMap((section) => [
$el("h4", {
textContent: section,
}),
$el("div.comfy-list-items", [
...(this.#reverse ? items[section].reverse() : items[section]).map((item) => {
// Allow items to specify a custom remove action (e.g. for interrupt current prompt)
const removeAction = item.remove || {
name: "Delete",
cb: () => api.deleteItem(this.#type, item.prompt[1]),
};
return $el("div", {textContent: item.prompt[0] + ": "}, [
$el("button", {
textContent: "Load",
onclick: () => {
app.loadGraphData(item.prompt[3].extra_pnginfo.workflow);
if (item.outputs) {
app.nodeOutputs = item.outputs;
}
},
}),
$el("button", {
textContent: removeAction.name,
onclick: async () => {
await removeAction.cb();
await this.update();
},
}),
]);
}),
]),
]),
$el("div.comfy-list-actions", [
$el("button", {
textContent: "Clear " + this.#text,
onclick: async () => {
await api.clearItems(this.#type);
await this.load();
},
}),
$el("button", {textContent: "Refresh", onclick: () => this.load()}),
])
);
}
async update() {
if (this.visible) {
await this.load();
}
}
async show() {
this.element.style.display = "block";
this.button.textContent = "Close";
await this.load();
}
hide() {
this.element.style.display = "none";
this.button.textContent = "View " + this.#text;
}
toggle() {
if (this.visible) {
this.hide();
return false;
} else {
this.show();
return true;
}
}
}
export class ComfyUI {
constructor(app) {
this.app = app;
this.dialog = new ComfyDialog();
this.settings = new ComfySettingsDialog();
this.batchCount = 1;
this.lastQueueSize = 0;
this.queue = new ComfyList("Queue");
this.history = new ComfyList("History", "history", true);
api.addEventListener("status", () => {
this.queue.update();
this.history.update();
});
const confirmClear = this.settings.addSetting({
id: "Comfy.ConfirmClear",
name: "Require confirmation when clearing workflow",
type: "boolean",
defaultValue: true,
});
const promptFilename = this.settings.addSetting({
id: "Comfy.PromptFilename",
name: "Prompt for filename when saving workflow",
type: "boolean",
defaultValue: true,
});
/**
* file format for preview
*
* format;quality
*
* ex)
* webp;50 -> webp, quality 50
* jpeg;80 -> rgb, jpeg, quality 80
*
* @type {string}
*/
const previewImage = this.settings.addSetting({
id: "Comfy.PreviewFormat",
name: "When displaying a preview in the image widget, convert it to a lightweight image, e.g. webp, jpeg, webp;50, etc.",
type: "text",
defaultValue: "",
});
this.settings.addSetting({
id: "Comfy.DisableSliders",
name: "Disable sliders.",
type: "boolean",
defaultValue: false,
});
this.settings.addSetting({
id: "Comfy.DisableFloatRounding",
name: "Disable rounding floats (requires page reload).",
type: "boolean",
defaultValue: false,
});
this.settings.addSetting({
id: "Comfy.FloatRoundingPrecision",
name: "Decimal places [0 = auto] (requires page reload).",
type: "slider",
attrs: {
min: 0,
max: 6,
step: 1,
},
defaultValue: 0,
});
const fileInput = $el("input", {
id: "comfy-file-input",
type: "file",
accept: ".json,image/png,.latent,.safetensors,image/webp",
style: {display: "none"},
parent: document.body,
onchange: () => {
app.handleFile(fileInput.files[0]);
},
});
this.menuContainer = $el("div.comfy-menu", {parent: document.body}, [
$el("div.drag-handle", {
style: {
overflow: "hidden",
position: "relative",
width: "100%",
cursor: "default"
}
}, [
$el("span.drag-handle"),
$el("span", {$: (q) => (this.queueSize = q)}),
$el("button.comfy-settings-btn", {textContent: "⚙", onclick: () => this.settings.show()}),
]),
$el("button.comfy-queue-btn", {
id: "queue-button",
textContent: "Queue Prompt",
onclick: () => app.queuePrompt(0, this.batchCount),
}),
$el("div", {}, [
$el("label", {innerHTML: "Extra options"}, [
$el("input", {
type: "checkbox",
onchange: (i) => {
document.getElementById("extraOptions").style.display = i.srcElement.checked ? "block" : "none";
this.batchCount = i.srcElement.checked ? document.getElementById("batchCountInputRange").value : 1;
document.getElementById("autoQueueCheckbox").checked = false;
},
}),
]),
]),
$el("div", {id: "extraOptions", style: {width: "100%", display: "none"}}, [
$el("div",[
$el("label", {innerHTML: "Batch count"}),
$el("input", {
id: "batchCountInputNumber",
type: "number",
value: this.batchCount,
min: "1",
style: {width: "35%", "margin-left": "0.4em"},
oninput: (i) => {
this.batchCount = i.target.value;
document.getElementById("batchCountInputRange").value = this.batchCount;
},
}),
$el("input", {
id: "batchCountInputRange",
type: "range",
min: "1",
max: "100",
value: this.batchCount,
oninput: (i) => {
this.batchCount = i.srcElement.value;
document.getElementById("batchCountInputNumber").value = i.srcElement.value;
},
}),
]),
$el("div",[
$el("label",{
for:"autoQueueCheckbox",
innerHTML: "Auto Queue"
// textContent: "Auto Queue"
}),
$el("input", {
id: "autoQueueCheckbox",
type: "checkbox",
checked: false,
title: "Automatically queue prompt when the queue size hits 0",
}),
])
]),
$el("div.comfy-menu-btns", [
$el("button", {
id: "queue-front-button",
textContent: "Queue Front",
onclick: () => app.queuePrompt(-1, this.batchCount)
}),
$el("button", {
$: (b) => (this.queue.button = b),
id: "comfy-view-queue-button",
textContent: "View Queue",
onclick: () => {
this.history.hide();
this.queue.toggle();
},
}),
$el("button", {
$: (b) => (this.history.button = b),
id: "comfy-view-history-button",
textContent: "View History",
onclick: () => {
this.queue.hide();
this.history.toggle();
},
}),
]),
this.queue.element,
this.history.element,
$el("button", {
id: "comfy-save-button",
textContent: "Save",
onclick: () => {
let filename = "workflow.json";
if (promptFilename.value) {
filename = prompt("Save workflow as:", filename);
if (!filename) return;
if (!filename.toLowerCase().endsWith(".json")) {
filename += ".json";
}
}
app.graphToPrompt().then(p=>{
const json = JSON.stringify(p.workflow, null, 2); // convert the data to a JSON string
const blob = new Blob([json], {type: "application/json"});
const url = URL.createObjectURL(blob);
const a = $el("a", {
href: url,
download: filename,
style: {display: "none"},
parent: document.body,
});
a.click();
setTimeout(function () {
a.remove();
window.URL.revokeObjectURL(url);
}, 0);
});
},
}),
$el("button", {
id: "comfy-dev-save-api-button",
textContent: "Save (API Format)",
style: {width: "100%", display: "none"},
onclick: () => {
let filename = "workflow_api.json";
if (promptFilename.value) {
filename = prompt("Save workflow (API) as:", filename);
if (!filename) return;
if (!filename.toLowerCase().endsWith(".json")) {
filename += ".json";
}
}
app.graphToPrompt().then(p=>{
const json = JSON.stringify(p.output, null, 2); // convert the data to a JSON string
const blob = new Blob([json], {type: "application/json"});
const url = URL.createObjectURL(blob);
const a = $el("a", {
href: url,
download: filename,
style: {display: "none"},
parent: document.body,
});
a.click();
setTimeout(function () {
a.remove();
window.URL.revokeObjectURL(url);
}, 0);
});
},
}),
$el("button", {id: "comfy-load-button", textContent: "Load", onclick: () => fileInput.click()}),
$el("button", {
id: "comfy-refresh-button",
textContent: "Refresh",
onclick: () => app.refreshComboInNodes()
}),
$el("button", {id: "comfy-clipspace-button", textContent: "Clipspace", onclick: () => app.openClipspace()}),
$el("button", {
id: "comfy-clear-button", textContent: "Clear", onclick: () => {
if (!confirmClear.value || confirm("Clear workflow?")) {
app.clean();
app.graph.clear();
}
}
}),
$el("button", {
id: "comfy-load-default-button", textContent: "Load Default", onclick: () => {
if (!confirmClear.value || confirm("Load default workflow?")) {
app.loadGraphData()
}
}
}),
]);
const devMode = this.settings.addSetting({
id: "Comfy.DevMode",
name: "Enable Dev mode Options",
type: "boolean",
defaultValue: false,
onChange: function(value) { document.getElementById("comfy-dev-save-api-button").style.display = value ? "block" : "none"},
});
dragElement(this.menuContainer, this.settings);
this.setStatus({exec_info: {queue_remaining: "X"}});
}
setStatus(status) {
this.queueSize.textContent = "Queue size: " + (status ? status.exec_info.queue_remaining : "ERR");
if (status) {
if (
this.lastQueueSize != 0 &&
status.exec_info.queue_remaining == 0 &&
document.getElementById("autoQueueCheckbox").checked &&
! app.lastExecutionError
) {
app.queuePrompt(0, this.batchCount);
}
this.lastQueueSize = status.exec_info.queue_remaining;
}
}
}