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feat: refactor Lora handling by introducing chainCallback for improved node initialization and widget management. Fixes #176

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This commit is contained in:
Will Miao
2025-06-24 16:36:15 +08:00
parent d0ed1213d8
commit ceee482ecc
3 changed files with 126 additions and 107 deletions
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54
web/comfyui/lora_stacker.js
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@@ -1,11 +1,12 @@
import { app } from "../../scripts/app.js";
import {
getLorasWidgetModule,
LORA_PATTERN,
getActiveLorasFromNode,
collectActiveLorasFromChain,
updateConnectedTriggerWords
updateConnectedTriggerWords,
chainCallback
} from "./utils.js";
import { addLorasWidget } from "./loras_widget.js";
function mergeLoras(lorasText, lorasArr) {
const result = [];
@@ -39,35 +40,30 @@ function mergeLoras(lorasText, lorasArr) {
app.registerExtension({
name: "LoraManager.LoraStacker",
async nodeCreated(node) {
if (node.comfyClass === "Lora Stacker (LoraManager)") {
// Enable widget serialization
node.serialize_widgets = true;
async beforeRegisterNodeDef(nodeType, nodeData, app) {
if (nodeType.comfyClass === "Lora Stacker (LoraManager)") {
chainCallback(nodeType.prototype, "onNodeCreated", async function() {
// Enable widget serialization
this.serialize_widgets = true;
node.addInput("lora_stack", 'LORA_STACK', {
"shape": 7 // 7 is the shape of the optional input
});
this.addInput("lora_stack", 'LORA_STACK', {
"shape": 7 // 7 is the shape of the optional input
});
// Wait for node to be properly initialized
requestAnimationFrame(async () => {
// Restore saved value if exists
let existingLoras = [];
if (node.widgets_values && node.widgets_values.length > 0) {
if (this.widgets_values && this.widgets_values.length > 0) {
// 0 for input widget, 1 for loras widget
const savedValue = node.widgets_values[1];
const savedValue = this.widgets_values[1];
existingLoras = savedValue || [];
}
// Merge the loras data
const mergedLoras = mergeLoras(node.widgets[0].value, existingLoras);
const mergedLoras = mergeLoras(this.widgets[0].value, existingLoras);
// Add flag to prevent callback loops
let isUpdating = false;
// Dynamically load the appropriate widget module
const lorasModule = await getLorasWidgetModule();
const { addLorasWidget } = lorasModule;
const result = addLorasWidget(node, "loras", {
const result = addLorasWidget(this, "loras", {
defaultVal: mergedLoras // Pass object directly
}, (value) => {
// Prevent recursive calls
@@ -76,7 +72,7 @@ app.registerExtension({
try {
// Remove loras that are not in the value array
const inputWidget = node.widgets[0];
const inputWidget = this.widgets[0];
const currentLoras = value.map(l => l.name);
// Use the constant pattern here as well
@@ -96,35 +92,35 @@ app.registerExtension({
activeLoraNames.add(lora.name);
}
});
updateConnectedTriggerWords(node, activeLoraNames);
updateConnectedTriggerWords(this, activeLoraNames);
// Find all Lora Loader nodes in the chain that might need updates
updateDownstreamLoaders(node);
updateDownstreamLoaders(this);
} finally {
isUpdating = false;
}
});
node.lorasWidget = result.widget;
this.lorasWidget = result.widget;
// Update input widget callback
const inputWidget = node.widgets[0];
const inputWidget = this.widgets[0];
inputWidget.callback = (value) => {
if (isUpdating) return;
isUpdating = true;
try {
const currentLoras = node.lorasWidget.value || [];
const currentLoras = this.lorasWidget.value || [];
const mergedLoras = mergeLoras(value, currentLoras);
node.lorasWidget.value = mergedLoras;
this.lorasWidget.value = mergedLoras;
// Update this stacker's direct trigger toggles with its own active loras
const activeLoraNames = getActiveLorasFromNode(node);
updateConnectedTriggerWords(node, activeLoraNames);
const activeLoraNames = getActiveLorasFromNode(this);
updateConnectedTriggerWords(this, activeLoraNames);
// Find all Lora Loader nodes in the chain that might need updates
updateDownstreamLoaders(node);
updateDownstreamLoaders(this);
} finally {
isUpdating = false;
}