Security upgrades

node_modules/helmet/dist/middlewares/expect-ct/index.js

@@ -0,0 +1,34 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+function parseMaxAge(value) {
+    if (value === undefined) {
+        return 0;
+    }
+    else if (typeof value === "number" && value >= 0) {
+        return Math.floor(value);
+    }
+    else {
+        throw new Error(value + " is not a valid value for maxAge. Please choose a positive integer.");
+    }
+}
+function getHeaderValueFromOptions(options) {
+    var directives = [];
+    if (options.enforce) {
+        directives.push("enforce");
+    }
+    directives.push("max-age=" + parseMaxAge(options.maxAge));
+    if (options.reportUri) {
+        directives.push("report-uri=\"" + options.reportUri + "\"");
+    }
+    return directives.join(", ");
+}
+function expectCt(options) {
+    if (options === void 0) { options = {}; }
+    var headerValue = getHeaderValueFromOptions(options);
+    return function expectCtMiddleware(_req, res, next) {
+        res.setHeader("Expect-CT", headerValue);
+        next();
+    };
+}
+module.exports = expectCt;
+exports.default = expectCt;