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32 lines
882 B
JavaScript
32 lines
882 B
JavaScript
// Shared helpers for image provider adapters
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export const POLL_INTERVAL_MS = 1500;
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export const POLL_TIMEOUT_MS = 120000;
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export const sleep = (ms) => new Promise((r) => setTimeout(r, ms));
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// Map OpenAI size to provider-specific aspect ratio
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export function sizeToAspectRatio(size) {
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if (!size || typeof size !== "string") return "1:1";
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const map = {
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"1024x1024": "1:1",
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"1024x1792": "9:16",
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"1792x1024": "16:9",
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"1024x1536": "2:3",
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"1536x1024": "3:2",
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};
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return map[size] || "1:1";
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}
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// Fetch URL → base64 (for providers returning image URLs)
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export async function urlToBase64(url) {
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const res = await fetch(url);
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if (!res.ok) throw new Error(`Failed to fetch image: ${res.status}`);
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const buf = await res.arrayBuffer();
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return Buffer.from(buf).toString("base64");
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}
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export function nowSec() {
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return Math.floor(Date.now() / 1000);
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}
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