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import { getResolver } from "./shared_utils.js";
import { getPngMetadata, getWebpMetadata } from "../../scripts/pnginfo.js";
function parseWorkflowJson(stringJson) {
stringJson = stringJson || "null";
stringJson = stringJson.replace(/:\s*NaN/g, ": null");
return JSON.parse(stringJson);
}
export async function tryToGetWorkflowDataFromEvent(e) {
var _a, _b, _c, _d;
let work;
for (const file of ((_a = e.dataTransfer) === null || _a === void 0 ? void 0 : _a.files) || []) {
const data = await tryToGetWorkflowDataFromFile(file);
if (data.workflow || data.prompt) {
return data;
}
}
const validTypes = ["text/uri-list", "text/x-moz-url"];
const match = (((_b = e.dataTransfer) === null || _b === void 0 ? void 0 : _b.types) || []).find((t) => validTypes.find((v) => t === v));
if (match) {
const uri = (_d = (_c = e.dataTransfer.getData(match)) === null || _c === void 0 ? void 0 : _c.split("\n")) === null || _d === void 0 ? void 0 : _d[0];
if (uri) {
return tryToGetWorkflowDataFromFile(await (await fetch(uri)).blob());
}
}
return { workflow: null, prompt: null };
}
export async function tryToGetWorkflowDataFromFile(file) {
var _a;
if (file.type === "image/png") {
const pngInfo = await getPngMetadata(file);
return {
workflow: parseWorkflowJson(pngInfo === null || pngInfo === void 0 ? void 0 : pngInfo.workflow),
prompt: parseWorkflowJson(pngInfo === null || pngInfo === void 0 ? void 0 : pngInfo.prompt),
};
}
if (file.type === "image/webp") {
const pngInfo = await getWebpMetadata(file);
const workflow = parseWorkflowJson((pngInfo === null || pngInfo === void 0 ? void 0 : pngInfo.workflow) || (pngInfo === null || pngInfo === void 0 ? void 0 : pngInfo.Workflow) || "null");
const prompt = parseWorkflowJson((pngInfo === null || pngInfo === void 0 ? void 0 : pngInfo.prompt) || (pngInfo === null || pngInfo === void 0 ? void 0 : pngInfo.Prompt) || "null");
return { workflow, prompt };
}
if (file.type === "application/json" || ((_a = file.name) === null || _a === void 0 ? void 0 : _a.endsWith(".json"))) {
const resolver = getResolver();
const reader = new FileReader();
reader.onload = async () => {
const json = parseWorkflowJson(reader.result);
const isApiJson = Object.values(json).every((v) => v.class_type);
const prompt = isApiJson ? json : null;
const workflow = !isApiJson && !(json === null || json === void 0 ? void 0 : json.templates) ? json : null;
return { workflow, prompt };
};
return resolver.promise;
}
return { workflow: null, prompt: null };
}
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