init project
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Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });
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const require_utils_stream = require('./utils/stream.cjs');
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let hono_utils_mime = require("hono/utils/mime");
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let node_fs = require("node:fs");
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let node_path = require("node:path");
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//#region src/serve-static.ts
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const COMPRESSIBLE_CONTENT_TYPE_REGEX = /^\s*(?:text\/[^;\s]+|application\/(?:javascript|json|xml|xml-dtd|ecmascript|dart|postscript|rtf|tar|toml|vnd\.dart|vnd\.ms-fontobject|vnd\.ms-opentype|wasm|x-httpd-php|x-javascript|x-ns-proxy-autoconfig|x-sh|x-tar|x-virtualbox-hdd|x-virtualbox-ova|x-virtualbox-ovf|x-virtualbox-vbox|x-virtualbox-vdi|x-virtualbox-vhd|x-virtualbox-vmdk|x-www-form-urlencoded)|font\/(?:otf|ttf)|image\/(?:bmp|vnd\.adobe\.photoshop|vnd\.microsoft\.icon|vnd\.ms-dds|x-icon|x-ms-bmp)|message\/rfc822|model\/gltf-binary|x-shader\/x-fragment|x-shader\/x-vertex|[^;\s]+?\+(?:json|text|xml|yaml))(?:[;\s]|$)/i;
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const ENCODINGS = {
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br: ".br",
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zstd: ".zst",
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gzip: ".gz"
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};
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const ENCODINGS_ORDERED_KEYS = Object.keys(ENCODINGS);
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const getStats = (path) => {
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let stats;
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try {
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stats = (0, node_fs.statSync)(path);
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} catch {}
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return stats;
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};
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const BYTE_RANGE_PATTERN = /^(?:bytes=)?(?!-$)(\d*)-(\d*)$/;
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const parseByteRange = (range) => {
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const match = range.match(BYTE_RANGE_PATTERN);
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if (!match) return;
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const [, start, end] = match;
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if (start === "") return {
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type: "suffix",
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length: Number(end)
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};
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if (end === "") return {
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type: "open-ended",
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start: Number(start)
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};
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return {
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type: "bounded",
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start: Number(start),
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end: Number(end)
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};
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};
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const resolveByteRange = (spec, size) => {
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if (size === 0) return;
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if (spec.type === "suffix") {
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if (spec.length === 0) return;
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return {
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start: Math.max(size - spec.length, 0),
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end: size - 1
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};
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}
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const end = spec.type === "bounded" ? Math.min(spec.end, size - 1) : size - 1;
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if (spec.start >= size || spec.start > end) return;
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return {
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start: spec.start,
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end
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};
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};
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const tryDecode = (str, decoder) => {
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try {
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return decoder(str);
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} catch {
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return str.replace(/(?:%[0-9A-Fa-f]{2})+/g, (match) => {
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try {
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return decoder(match);
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} catch {
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return match;
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}
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});
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}
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};
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const tryDecodeURI = (str) => tryDecode(str, decodeURI);
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const serveStatic = (options = { root: "" }) => {
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const root = options.root || "";
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const optionPath = options.path;
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if (root !== "" && !(0, node_fs.existsSync)(root)) console.error(`serveStatic: root path '${root}' is not found, are you sure it's correct?`);
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return async (c, next) => {
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if (c.finalized) return next();
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let filename;
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if (optionPath) filename = optionPath;
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else try {
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filename = tryDecodeURI(c.req.path);
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if (/(?:^|[\/\\])\.{1,2}(?:$|[\/\\])|[\/\\]{2,}|\\/.test(filename)) throw new Error();
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} catch {
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await options.onNotFound?.(c.req.path, c);
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return next();
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}
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let path = (0, node_path.join)(root, !optionPath && options.rewriteRequestPath ? options.rewriteRequestPath(filename, c) : filename);
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let stats = getStats(path);
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if (stats && stats.isDirectory()) {
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const indexFile = options.index ?? "index.html";
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path = (0, node_path.join)(path, indexFile);
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stats = getStats(path);
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}
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if (!stats) {
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await options.onNotFound?.(path, c);
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return next();
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}
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const mimeType = (0, hono_utils_mime.getMimeType)(path);
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c.header("Content-Type", mimeType || "application/octet-stream");
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if (options.precompressed && (!mimeType || mimeType === "application/octet-stream" || COMPRESSIBLE_CONTENT_TYPE_REGEX.test(mimeType))) {
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const acceptEncodingSet = new Set(c.req.header("Accept-Encoding")?.split(",").map((encoding) => encoding.trim()));
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for (const encoding of ENCODINGS_ORDERED_KEYS) {
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if (!acceptEncodingSet.has(encoding)) continue;
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const precompressedStats = getStats(path + ENCODINGS[encoding]);
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if (precompressedStats) {
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c.header("Content-Encoding", encoding);
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c.header("Vary", "Accept-Encoding", { append: true });
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stats = precompressedStats;
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path = path + ENCODINGS[encoding];
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break;
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}
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}
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}
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let result;
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const size = stats.size;
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const range = c.req.header("range") || "";
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c.header("Last-Modified", stats.mtime.toUTCString());
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if (c.req.method == "HEAD" || c.req.method == "OPTIONS") {
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c.header("Content-Length", size.toString());
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c.status(200);
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result = c.body(null);
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} else if (!range) {
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c.header("Content-Length", size.toString());
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result = c.body(require_utils_stream.createStreamBody((0, node_fs.createReadStream)(path)), 200);
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} else {
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c.header("Accept-Ranges", "bytes");
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const resolvedRange = resolveByteRange(parseByteRange(range) ?? {
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type: "open-ended",
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start: 0
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}, size);
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if (!resolvedRange) {
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c.header("Content-Range", `bytes */${size}`);
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result = c.body(null, 416);
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} else {
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const { start, end } = resolvedRange;
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const chunkSize = end - start + 1;
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const stream = (0, node_fs.createReadStream)(path, {
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start,
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end
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});
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c.header("Content-Length", chunkSize.toString());
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c.header("Content-Range", `bytes ${start}-${end}/${size}`);
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result = c.body(require_utils_stream.createStreamBody(stream), 206);
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}
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}
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await options.onFound?.(path, c);
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return result;
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};
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};
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//#endregion
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exports.serveStatic = serveStatic;
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