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app_vue/node_modules/webpack-dev-middleware/dist/utils/compatibleAPI.js

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+"use strict";
+
+/** @typedef {import("../index.js").IncomingMessage} IncomingMessage */
+
+/** @typedef {import("../index.js").ServerResponse} ServerResponse */
+
+/**
+ * @typedef {Object} ExpectedRequest
+ * @property {(name: string) => string | undefined} get
+ */
+
+/**
+ * @typedef {Object} ExpectedResponse
+ * @property {(name: string) => string | string[] | undefined} get
+ * @property {(name: string, value: number | string | string[]) => void} set
+ * @property {(status: number) => void} status
+ * @property {(data: any) => void} send
+ */
+
+/**
+ * @template {ServerResponse} Response
+ * @param {Response} res
+ * @returns {string[]}
+ */
+function getHeaderNames(res) {
+  if (typeof res.getHeaderNames !== "function") {
+    // @ts-ignore
+    // eslint-disable-next-line no-underscore-dangle
+    return Object.keys(res._headers || {});
+  }
+
+  return res.getHeaderNames();
+}
+/**
+ * @template {IncomingMessage} Request
+ * @param {Request} req
+ * @param {string} name
+ * @returns {string | undefined}
+ */
+
+
+function getHeaderFromRequest(req, name) {
+  // Express API
+  if (typeof
+  /** @type {Request & ExpectedRequest} */
+  req.get === "function") {
+    return (
+      /** @type {Request & ExpectedRequest} */
+      req.get(name)
+    );
+  } // Node.js API
+  // @ts-ignore
+
+
+  return req.headers[name];
+}
+/**
+ * @template {ServerResponse} Response
+ * @param {Response} res
+ * @param {string} name
+ * @returns {number | string | string[] | undefined}
+ */
+
+
+function getHeaderFromResponse(res, name) {
+  // Express API
+  if (typeof
+  /** @type {Response & ExpectedResponse} */
+  res.get === "function") {
+    return (
+      /** @type {Response & ExpectedResponse} */
+      res.get(name)
+    );
+  } // Node.js API
+
+
+  return res.getHeader(name);
+}
+/**
+ * @template {ServerResponse} Response
+ * @param {Response} res
+ * @param {string} name
+ * @param {number | string | string[]} value
+ * @returns {void}
+ */
+
+
+function setHeaderForResponse(res, name, value) {
+  // Express API
+  if (typeof
+  /** @type {Response & ExpectedResponse} */
+  res.set === "function") {
+    /** @type {Response & ExpectedResponse} */
+    res.set(name, typeof value === "number" ? String(value) : value);
+    return;
+  } // Node.js API
+
+
+  res.setHeader(name, value);
+}
+/**
+ * @template {ServerResponse} Response
+ * @param {Response} res
+ * @param {number} code
+ */
+
+
+function setStatusCode(res, code) {
+  if (typeof
+  /** @type {Response & ExpectedResponse} */
+  res.status === "function") {
+    /** @type {Response & ExpectedResponse} */
+    res.status(code);
+    return;
+  } // eslint-disable-next-line no-param-reassign
+
+
+  res.statusCode = code;
+}
+/**
+ * @template {IncomingMessage} Request
+ * @template {ServerResponse} Response
+ * @param {Request} req
+ * @param {Response} res
+ * @param {string | Buffer | import("fs").ReadStream} bufferOtStream
+ * @param {number} byteLength
+ */
+
+
+function send(req, res, bufferOtStream, byteLength) {
+  if (typeof
+  /** @type {import("fs").ReadStream} */
+  bufferOtStream.pipe === "function") {
+    setHeaderForResponse(res, "Content-Length", byteLength);
+
+    if (req.method === "HEAD") {
+      res.end();
+      return;
+    }
+    /** @type {import("fs").ReadStream} */
+
+
+    bufferOtStream.pipe(res);
+    return;
+  }
+
+  if (typeof
+  /** @type {Response & ExpectedResponse} */
+  res.send === "function") {
+    /** @type {Response & ExpectedResponse} */
+    res.send(bufferOtStream);
+    return;
+  } // Only Node.js API used
+
+
+  res.setHeader("Content-Length", byteLength);
+
+  if (req.method === "HEAD") {
+    res.end();
+  } else {
+    res.end(bufferOtStream);
+  }
+}
+/**
+ * @template {ServerResponse} Response
+ * @param {Response} res
+ */
+
+
+function clearHeadersForResponse(res) {
+  const headers = getHeaderNames(res);
+
+  for (let i = 0; i < headers.length; i++) {
+    res.removeHeader(headers[i]);
+  }
+}
+
+const matchHtmlRegExp = /["'&<>]/;
+/**
+ * @param {string} string raw HTML
+ * @returns {string} escaped HTML
+ */
+
+function escapeHtml(string) {
+  const str = `${string}`;
+  const match = matchHtmlRegExp.exec(str);
+
+  if (!match) {
+    return str;
+  }
+
+  let escape;
+  let html = "";
+  let index = 0;
+  let lastIndex = 0;
+
+  for (({
+    index
+  } = match); index < str.length; index++) {
+    switch (str.charCodeAt(index)) {
+      // "
+      case 34:
+        escape = "&quot;";
+        break;
+      // &
+
+      case 38:
+        escape = "&amp;";
+        break;
+      // '
+
+      case 39:
+        escape = "&#39;";
+        break;
+      // <
+
+      case 60:
+        escape = "&lt;";
+        break;
+      // >
+
+      case 62:
+        escape = "&gt;";
+        break;
+
+      default:
+        // eslint-disable-next-line no-continue
+        continue;
+    }
+
+    if (lastIndex !== index) {
+      html += str.substring(lastIndex, index);
+    }
+
+    lastIndex = index + 1;
+    html += escape;
+  }
+
+  return lastIndex !== index ? html + str.substring(lastIndex, index) : html;
+}
+/** @type {Record<number, string>} */
+
+
+const statuses = {
+  400: "Bad Request",
+  403: "Forbidden",
+  404: "Not Found",
+  416: "Range Not Satisfiable",
+  500: "Internal Server Error"
+};
+/**
+ * @template {IncomingMessage} Request
+ * @template {ServerResponse} Response
+ * @param {Request} req response
+ * @param {Response} res response
+ * @param {number} status status
+ * @returns {void}
+ */
+
+function sendError(req, res, status) {
+  const content = statuses[status] || String(status);
+  const document = `<!DOCTYPE html>
+<html lang="en">
+<head>
+<meta charset="utf-8">
+<title>Error</title>
+</head>
+<body>
+<pre>${escapeHtml(content)}</pre>
+</body>
+</html>`; // Clear existing headers
+
+  clearHeadersForResponse(res); // Send basic response
+
+  setStatusCode(res, status);
+  setHeaderForResponse(res, "Content-Type", "text/html; charset=utf-8");
+  setHeaderForResponse(res, "Content-Security-Policy", "default-src 'none'");
+  setHeaderForResponse(res, "X-Content-Type-Options", "nosniff");
+  const byteLength = Buffer.byteLength(document);
+  setHeaderForResponse(res, "Content-Length", byteLength);
+  res.end(document);
+}
+
+module.exports = {
+  getHeaderNames,
+  getHeaderFromRequest,
+  getHeaderFromResponse,
+  setHeaderForResponse,
+  setStatusCode,
+  send,
+  sendError
+};