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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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161
web/comfyui/lora_loader.js
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@@ -1,11 +1,12 @@
import { app } from "../../scripts/app.js";
import { api } from "../../scripts/api.js";
import {
getLorasWidgetModule,
LORA_PATTERN,
collectActiveLorasFromChain,
updateConnectedTriggerWords
updateConnectedTriggerWords,
chainCallback
} from "./utils.js";
import { api } from "../../scripts/api.js";
import { addLorasWidget } from "./loras_widget.js";
function mergeLoras(lorasText, lorasArr) {
const result = [];
@@ -82,7 +83,7 @@ app.registerExtension({
this.updateNodeLoraCode(node, loraCode, mode);
},
// Helper method to update a single node's lora code
updateNodeLoraCode(node, loraCode, mode) {
// Update the input widget with new lora code
@@ -107,90 +108,94 @@ app.registerExtension({
inputWidget.callback(inputWidget.value);
}
},
async nodeCreated(node) {
if (node.comfyClass === "Lora Loader (LoraManager)") {
async beforeRegisterNodeDef(nodeType, nodeData, app) {
if (nodeType.comfyClass == "Lora Loader (LoraManager)") {
chainCallback(nodeType.prototype, "onNodeCreated", function () {
// Enable widget serialization
node.serialize_widgets = true;
this.serialize_widgets = true;
node.addInput('clip', 'CLIP', {
"shape": 7
this.addInput("clip", "CLIP", {
shape: 7,
});
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) {
// 0 for input widget, 1 for loras widget
const savedValue = node.widgets_values[1];
existingLoras = savedValue || [];
// Restore saved value if exists
let existingLoras = [];
if (this.widgets_values && this.widgets_values.length > 0) {
// 0 for input widget, 1 for loras widget
const savedValue = this.widgets_values[1];
existingLoras = savedValue || [];
}
// Merge the loras data
const mergedLoras = mergeLoras(
this.widgets[0].value,
existingLoras
);
// Add flag to prevent callback loops
let isUpdating = false;
// Get the widget object directly from the returned object
this.lorasWidget = addLorasWidget(
this,
"loras",
{
defaultVal: mergedLoras, // Pass object directly
},
(value) => {
// Collect all active loras from this node and its input chain
const allActiveLoraNames = collectActiveLorasFromChain(this);
// Update trigger words for connected toggle nodes with the aggregated lora names
updateConnectedTriggerWords(this, allActiveLoraNames);
// Prevent recursive calls
if (isUpdating) return;
isUpdating = true;
try {
// Remove loras that are not in the value array
const inputWidget = this.widgets[0];
const currentLoras = value.map((l) => l.name);
// Use the constant pattern here as well
let newText = inputWidget.value.replace(
LORA_PATTERN,
(match, name, strength, clipStrength) => {
return currentLoras.includes(name) ? match : "";
}
);
// Clean up multiple spaces and trim
newText = newText.replace(/\s+/g, " ").trim();
inputWidget.value = newText;
} finally {
isUpdating = false;
}
// Merge the loras data
const mergedLoras = mergeLoras(node.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;
// Get the widget object directly from the returned object
const result = addLorasWidget(node, "loras", {
defaultVal: mergedLoras // Pass object directly
}, (value) => {
// Collect all active loras from this node and its input chain
const allActiveLoraNames = collectActiveLorasFromChain(node);
// Update trigger words for connected toggle nodes with the aggregated lora names
updateConnectedTriggerWords(node, allActiveLoraNames);
}
).widget;
// Prevent recursive calls
if (isUpdating) return;
isUpdating = true;
// Update input widget callback
const inputWidget = this.widgets[0];
inputWidget.callback = (value) => {
if (isUpdating) return;
isUpdating = true;
try {
// Remove loras that are not in the value array
const inputWidget = node.widgets[0];
const currentLoras = value.map(l => l.name);
// Use the constant pattern here as well
let newText = inputWidget.value.replace(LORA_PATTERN, (match, name, strength, clipStrength) => {
return currentLoras.includes(name) ? match : '';
});
// Clean up multiple spaces and trim
newText = newText.replace(/\s+/g, ' ').trim();
inputWidget.value = newText;
} finally {
isUpdating = false;
}
});
node.lorasWidget = result.widget;
try {
const currentLoras = this.lorasWidget.value || [];
const mergedLoras = mergeLoras(value, currentLoras);
// Update input widget callback
const inputWidget = node.widgets[0];
inputWidget.callback = (value) => {
if (isUpdating) return;
isUpdating = true;
try {
const currentLoras = node.lorasWidget.value || [];
const mergedLoras = mergeLoras(value, currentLoras);
node.lorasWidget.value = mergedLoras;
} finally {
isUpdating = false;
}
};
});
this.lorasWidget.value = mergedLoras;
} finally {
isUpdating = false;
}
};
});
}
},
});