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0c85e62 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 | // SPDX-FileCopyrightText: 2025-2026 Kforge Labs <https://github.com/malkuthro/ComfyUI-Koolook>
// SPDX-License-Identifier: GPL-3.0-only
function makeWorkflowId() {
try {
if (crypto && typeof crypto.randomUUID === "function") {
return crypto.randomUUID();
}
} catch {
// Fall through to the local fallback below.
}
return "xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx".replace(/[xy]/g, (c) => {
const r = Math.floor(Math.random() * 16);
const v = c === "x" ? r : (r & 0x3) | 0x8;
return v.toString(16);
});
}
function hash32(input, seed) {
let h = (0x811c9dc5 ^ seed) >>> 0;
for (let i = 0; i < input.length; i += 1) {
h ^= input.charCodeAt(i);
h = Math.imul(h, 0x01000193) >>> 0;
}
return h.toString(16).padStart(8, "0");
}
// Deterministic UUID-shaped key, not a spec UUIDv5. Comfy treats workflow ids
// as opaque draft-cache keys; stable shape is enough to replace per-workflow
// drafts instead of accumulating one browser-storage entry per sidebar load.
function stableWorkflowId(loadKey) {
const key = String(loadKey);
const hex =
hash32(key, 0) +
hash32(key, 0x9e3779b9) +
hash32(key, 0x85ebca6b) +
hash32(key, 0xc2b2ae35);
return [
hex.slice(0, 8),
hex.slice(8, 12),
`5${hex.slice(13, 16)}`,
`8${hex.slice(17, 20)}`,
hex.slice(20, 32),
].join("-");
}
export function cloneWorkflowForTemporaryLoad(graphData, loadKey = null) {
const clone = JSON.parse(JSON.stringify(graphData || {}));
clone.id = loadKey == null ? makeWorkflowId() : stableWorkflowId(loadKey);
return clone;
}
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