71 lines
3.5 KiB
JavaScript
71 lines
3.5 KiB
JavaScript
import { app } from "../../scripts/app.js";
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import { api } from "../../scripts/api.js";
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const NODE = "PROMPTFORGE_Sampler";
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const PRESET_FIELDS = ["steps", "cfg", "sampler_name", "scheduler", "denoise", "runs", "step_cache", "cache_threshold"];
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const NO_PRESET = "(no preset)";
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app.registerExtension({
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name: "PromptForge.Sampler",
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async beforeRegisterNodeDef(nodeType, nodeData) {
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if (nodeData.name !== NODE) return;
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const onCreated = nodeType.prototype.onNodeCreated;
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nodeType.prototype.onNodeCreated = function () {
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onCreated?.apply(this, arguments);
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const node = this;
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const widget = (name) => node.widgets.find((item) => item.name === name);
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let presets = {};
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const apply = (settings) => {
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for (const [name, value] of Object.entries(settings)) {
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const target = widget(name);
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if (!target || value === undefined) continue;
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if (target.options?.values && !target.options.values.includes(value)) continue;
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target.value = value;
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}
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node.setDirtyCanvas(true, true);
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};
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const presetWidget = node.addWidget("combo", "preset", NO_PRESET, (name) => name !== NO_PRESET && apply(presets[name] ?? {}), { values: [NO_PRESET] });
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presetWidget.serialize = false;
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const reload = (data) => {
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presets = data;
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presetWidget.options.values = [NO_PRESET, ...Object.keys(presets)];
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};
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api.fetchApi("/promptforge/sampler_presets").then((response) => response.json()).then(reload);
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const send = async (body) => reload(await (await api.fetchApi("/promptforge/sampler_presets", { method: "POST", body: JSON.stringify(body) })).json());
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const save = node.addWidget("button", "Save as preset", null, async () => {
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const name = window.prompt("Preset name", presetWidget.value !== NO_PRESET ? presetWidget.value : "");
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if (!name) return;
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await send({ name, settings: Object.fromEntries(PRESET_FIELDS.map((field) => [field, widget(field).value])) });
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presetWidget.value = name;
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});
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const remove = node.addWidget("button", "Delete preset", null, async () => {
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if (presetWidget.value === NO_PRESET) return;
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await send({ name: presetWidget.value, delete: true });
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presetWidget.value = NO_PRESET;
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});
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// only ever runs when the button is pressed; the loader is whatever is wired to the pipe input right now
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const loader = () => {
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const link = app.graph.links[node.inputs?.find((input) => input.name === "pipe")?.link];
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return app.graph.getNodeById(link?.origin_id);
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};
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const say = (summary, detail) => {
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const toast = app.extensionManager?.toast;
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if (toast) toast.add({ severity: "info", summary, detail, life: 4000 });
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else window.alert(`${summary}\n${detail}`);
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};
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const recommend = async () => {
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const info = loader()?.promptforgeModelInfo?.();
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if (!info) return say("PromptForge Sampler", "Connect a PromptForge Loader to the pipe input first.");
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const { settings, source } = await (await api.fetchApi("/promptforge/recommend?" + new URLSearchParams(info))).json();
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apply(settings);
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say("Recommended settings applied", Object.entries(settings).map(([key, value]) => `${key}: ${value} (${source[key]})`).join("\n"));
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};
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const recommendButton = node.addWidget("button", "Use recommended settings", null, recommend);
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[save, remove, recommendButton].forEach((button) => { button.serialize = false; });
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};
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},
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});
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