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41 lines
1.4 KiB
41 lines
1.4 KiB
2 years ago
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import { app } from "../../scripts/app.js";
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// Allows for simple dynamic prompt replacement
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// Inputs in the format {a|b} will have a random value of a or b chosen when the prompt is queued.
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app.registerExtension({
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name: "Comfy.DynamicPrompts",
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nodeCreated(node) {
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// TODO: Change this to replace the value and restore it after posting
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if (node.widgets) {
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// Locate dynamic prompt text widgets
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// Include any widgets with dynamicPrompts set to true, and customtext
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const widgets = node.widgets.filter(
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(n) => (n.type === "customtext" && n.dynamicPrompts !== false) || n.dynamicPrompts
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);
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for (const widget of widgets) {
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// Override the serialization of the value to resolve dynamic prompts for all widgets supporting it in this node
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widget.serializeValue = () => {
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let prompt = widget.value;
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while (prompt.replace("\\{", "").includes("{") && prompt.replace("\\}", "").includes("}")) {
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const startIndex = prompt.replace("\\{", "00").indexOf("{");
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const endIndex = prompt.replace("\\}", "00").indexOf("}");
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const optionsString = prompt.substring(startIndex + 1, endIndex);
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const options = optionsString.split("|");
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const randomIndex = Math.floor(Math.random() * options.length);
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const randomOption = options[randomIndex];
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prompt = prompt.substring(0, startIndex) + randomOption + prompt.substring(endIndex + 1);
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}
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return prompt;
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};
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}
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}
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},
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});
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