@cf-wasm/og/dist/cjs/core/response.js

Generate Open Graph Images dynamically from HTML/CSS without a browser.

"use strict";
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
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 __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);

// src/core/response.ts
var response_exports = {};
__export(response_exports, {
  BaseResponse: () => BaseResponse,
  ImageResponse: () => ImageResponse
});
module.exports = __toCommonJS(response_exports);
var import_constants = require("./constants.js");
var import_render = require("./render.js");
var BaseResponse = class extends Response {
  constructor(input, options = {}) {
    const isSvg = options?.format === "svg";
    const result = new ReadableStream({
      start(controller) {
        Promise.resolve(input()).then(([element, renderOptions]) => {
          const renderer = (0, import_render.render)(element, renderOptions);
          return isSvg ? renderer.asSvg() : renderer.asPng();
        }).then(({ image }) => {
          const bytes = typeof image === "string" ? import_constants.CONTAINER.encoder.encode(image) : image;
          controller.enqueue(bytes);
          controller.close();
        }).catch((e) => {
          controller.error(e);
        });
      }
    });
    const headers = new Headers(options?.headers);
    if (!headers.has("Cache-Control")) {
      headers.set("Cache-Control", "public, immutable, no-transform, max-age=31536000");
    }
    headers.set("Content-Type", isSvg ? "image/svg+xml" : "image/png");
    const responseInit = {
      headers,
      status: options?.status,
      statusText: options?.statusText
    };
    if (options && typeof options === "object") {
      if ("cf" in options) {
        Object.assign(responseInit, { cf: options.cf });
      }
    }
    super(result, responseInit);
  }
};
var ImageResponse = class extends BaseResponse {
  /**
   * Creates an instance of {@link ImageResponse}
   *
   * @param element The {@link ReactNode}
   * @param options The {@link ImageResponseOptions}
   */
  constructor(element, options) {
    super(() => [element, options], options);
  }
};
// Annotate the CommonJS export names for ESM import in node:
0 && (module.exports = {
  BaseResponse,
  ImageResponse
});