og-img/dist/index.cjs

Generate dynamic Open Graph images for your website

"use strict";
var __create = Object.create;
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __getProtoOf = Object.getPrototypeOf;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
  for (var name in all)
    __defProp(target, name, { get: all[name], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
  if (from && typeof from === "object" || typeof from === "function") {
    for (let key of __getOwnPropNames(from))
      if (!__hasOwnProp.call(to, key) && key !== except)
        __defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
  }
  return to;
};
var __toESM = (mod, isNodeMode, target) => (target = mod != null ? __create(__getProtoOf(mod)) : {}, __copyProps(
  // If the importer is in node compatibility mode or this is not an ESM
  // file that has been converted to a CommonJS file using a Babel-
  // compatible transform (i.e. "__esModule" has not been set), then set
  // "default" to the CommonJS "module.exports" for node compatibility.
  isNodeMode || !mod || !mod.__esModule ? __defProp(target, "default", { value: mod, enumerable: true }) : target,
  mod
));
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);

// src/index.ts
var src_exports = {};
__export(src_exports, {
  ImageResponse: () => ImageResponse,
  fetchFont: () => fetchFont,
  html: () => import_satori_html.html
});
module.exports = __toCommonJS(src_exports);
var import_satori_html = require("satori-html");

// src/fetchFont.ts
async function fetchFont(url) {
  const response = await fetch(url);
  if (!response.ok) {
    throw new Error(`Failed to fetch font: ${response.statusText}`);
  }
  return response.arrayBuffer();
}

// src/ImageResponse.ts
var import_resvg_wasm = require("@resvg/resvg-wasm");
var import_satori = __toESM(require("satori"), 1);
var wasmPromise;
var ImageResponse = class extends Response {
  /**
   * Creates an image response instance.
   *
   * @param content Content to render.
   * @param options Configuration options.
   */
  constructor(content, options) {
    const readable = new ReadableStream({
      async start(controller) {
        const svg = await (0, import_satori.default)(content, options);
        if (!wasmPromise) {
          wasmPromise = (0, import_resvg_wasm.initWasm)(
            fetch("https://unpkg.com/@resvg/resvg-wasm/index_bg.wasm")
          );
        }
        await wasmPromise;
        const image = new import_resvg_wasm.Resvg(svg).render().asPng();
        controller.enqueue(image);
        controller.close();
      }
    });
    super(readable, {
      headers: {
        "content-type": "image/png",
        "cache-control": "public, immutable, no-transform, max-age=31536000",
        ...options.headers
      },
      status: options.status,
      statusText: options.statusText
    });
  }
};
// Annotate the CommonJS export names for ESM import in node:
0 && (module.exports = {
  ImageResponse,
  fetchFont,
  html
});