hono/dist/cjs/middleware/serve-static/index.js

Web framework built on Web Standards

"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);
var serve_static_exports = {};
__export(serve_static_exports, {
  serveStatic: () => serveStatic
});
module.exports = __toCommonJS(serve_static_exports);
var import_compress = require("../../utils/compress");
var import_mime = require("../../utils/mime");
var import_path = require("./path");
const ENCODINGS = {
  br: ".br",
  zstd: ".zst",
  gzip: ".gz"
};
const ENCODINGS_ORDERED_KEYS = Object.keys(ENCODINGS);
const DEFAULT_DOCUMENT = "index.html";
const serveStatic = (options) => {
  const root = options.root ?? "./";
  const optionPath = options.path;
  const join = options.join ?? import_path.defaultJoin;
  return async (c, next) => {
    if (c.finalized) {
      return next();
    }
    let filename;
    if (options.path) {
      filename = options.path;
    } else {
      try {
        filename = decodeURIComponent(c.req.path);
        if (/(?:^|[\/\\])\.\.(?:$|[\/\\])/.test(filename)) {
          throw new Error();
        }
      } catch {
        await options.onNotFound?.(c.req.path, c);
        return next();
      }
    }
    let path = join(
      root,
      !optionPath && options.rewriteRequestPath ? options.rewriteRequestPath(filename) : filename
    );
    if (options.isDir && await options.isDir(path)) {
      path = join(path, DEFAULT_DOCUMENT);
    }
    const getContent = options.getContent;
    let content = await getContent(path, c);
    if (content instanceof Response) {
      return c.newResponse(content.body, content);
    }
    if (content) {
      const mimeType = options.mimes && (0, import_mime.getMimeType)(path, options.mimes) || (0, import_mime.getMimeType)(path);
      c.header("Content-Type", mimeType || "application/octet-stream");
      if (options.precompressed && (!mimeType || import_compress.COMPRESSIBLE_CONTENT_TYPE_REGEX.test(mimeType))) {
        const acceptEncodingSet = new Set(
          c.req.header("Accept-Encoding")?.split(",").map((encoding) => encoding.trim())
        );
        for (const encoding of ENCODINGS_ORDERED_KEYS) {
          if (!acceptEncodingSet.has(encoding)) {
            continue;
          }
          const compressedContent = await getContent(path + ENCODINGS[encoding], c);
          if (compressedContent) {
            content = compressedContent;
            c.header("Content-Encoding", encoding);
            c.header("Vary", "Accept-Encoding", { append: true });
            break;
          }
        }
      }
      await options.onFound?.(path, c);
      return c.body(content);
    }
    await options.onNotFound?.(path, c);
    await next();
    return;
  };
};
// Annotate the CommonJS export names for ESM import in node:
0 && (module.exports = {
  serveStatic
});