added all files to project

node_modules/helmet/dist/middlewares/cross-origin-opener-policy/index.d.ts

@@ -0,0 +1,6 @@
+import { IncomingMessage, ServerResponse } from "http"
+export interface CrossOriginOpenerPolicyOptions {
+	policy?: string
+}
+declare function crossOriginOpenerPolicy(options?: Readonly<CrossOriginOpenerPolicyOptions>): (_req: IncomingMessage, res: ServerResponse, next: () => void) => void
+export default crossOriginOpenerPolicy

node_modules/helmet/dist/middlewares/cross-origin-opener-policy/index.js

@@ -0,0 +1,19 @@
+"use strict"
+Object.defineProperty(exports, "__esModule", { value: true })
+const ALLOWED_POLICIES = new Set(["same-origin", "same-origin-allow-popups", "unsafe-none"])
+function getHeaderValueFromOptions({ policy = "same-origin" }) {
+	if (ALLOWED_POLICIES.has(policy)) {
+		return policy
+	} else {
+		throw new Error(`Cross-Origin-Opener-Policy does not support the ${JSON.stringify(policy)} policy`)
+	}
+}
+function crossOriginOpenerPolicy(options = {}) {
+	const headerValue = getHeaderValueFromOptions(options)
+	return function crossOriginOpenerPolicyMiddleware(_req, res, next) {
+		res.setHeader("Cross-Origin-Opener-Policy", headerValue)
+		next()
+	}
+}
+module.exports = crossOriginOpenerPolicy
+exports.default = crossOriginOpenerPolicy