33 lines
1.3 KiB
JavaScript
33 lines
1.3 KiB
JavaScript
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// Ported from @earendil-works/pi-coding-agent 1.1.0, dist/utils/image-resize-worker.js (MIT).
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import { parentPort } from "node:worker_threads";
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import { IMAGE_RESIZE_WORKER_RESPONSE_TYPE, resizeImageInProcess, } from "./resize-core.mjs";
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function isResizeImageWorkerRequest(value) {
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if (!value || typeof value !== "object")
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return false;
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const record = value;
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return record.inputBytes instanceof Uint8Array && typeof record.mimeType === "string";
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}
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const port = parentPort;
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if (!port) {
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throw new Error("image resize worker requires parentPort");
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}
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port.once("message", (message) => {
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void (async () => {
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try {
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if (!isResizeImageWorkerRequest(message)) {
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throw new Error("Invalid image resize worker request");
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}
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const result = await resizeImageInProcess(message.inputBytes, message.mimeType, message.options);
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const response = { type: IMAGE_RESIZE_WORKER_RESPONSE_TYPE, result };
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port.postMessage(response);
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}
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catch (error) {
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const response = {
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type: IMAGE_RESIZE_WORKER_RESPONSE_TYPE,
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error: error instanceof Error ? error.message : String(error),
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};
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port.postMessage(response);
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}
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})();
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});
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