Trying to run cors-anywhere locally

server/node_modules/cors-anywhere/test/setup.js

@@ -0,0 +1,103 @@
+var nock = require('nock');
+
+nock.enableNetConnect('127.0.0.1');
+
+function echoheaders(origin) {
+  nock(origin)
+    .persist()
+    .get('/echoheaders')
+    .reply(function(uri) {
+      var headers = this.req.headers;
+      var excluded_headers = [
+        'accept-encoding',
+        'user-agent',
+        'connection',
+        // Remove this header since its value is platform-specific.
+        'x-forwarded-for',
+        'test-include-xfwd',
+      ];
+      if (!('test-include-xfwd' in headers)) {
+        excluded_headers.push('x-forwarded-port');
+        excluded_headers.push('x-forwarded-proto');
+      }
+      var response = {};
+      Object.keys(headers).forEach(function(name) {
+        if (excluded_headers.indexOf(name) === -1) {
+          response[name] = headers[name];
+        }
+      });
+      return response;
+    });
+}
+
+nock('http://example.com')
+  .persist()
+  .get('/')
+  .reply(200, 'Response from example.com')
+
+  .post('/echopost')
+  .reply(200, function(uri, requestBody) {
+    return requestBody;
+  })
+
+  .get('/setcookie')
+  .reply(200, '', {
+    'Set-Cookie': 'x',
+    'Set-Cookie2': 'y',
+    'Set-Cookie3': 'z', // This is not a special cookie setting header.
+  })
+
+  .get('/redirecttarget')
+  .reply(200, 'redirect target', {
+    'Some header': 'value'
+  })
+
+  .head('/redirect')
+  .reply(302, '', {
+    'Location': '/redirecttarget'
+  })
+
+  .get('/redirect')
+  .reply(302, 'redirecting...', {
+    'header at redirect': 'should not be here',
+    'Location': '/redirecttarget'
+  })
+
+  .get('/redirectposttarget')
+  .reply(200, 'post target')
+
+  .post('/redirectposttarget')
+  .reply(200, 'post target (POST)')
+
+  .post('/redirectpost')
+  .reply(302, 'redirecting...', {
+    'Location': '/redirectposttarget'
+  })
+
+  .post('/redirect307')
+  .reply(307, 'redirecting...', {
+    'Location': '/redirectposttarget'
+  })
+
+  .get('/redirect2redirect')
+  .reply(302, 'redirecting to redirect...', {
+    'Location': '/redirect'
+  })
+
+  .get('/redirectloop')
+  .reply(302, 'redirecting ad infinitum...', {
+    'Location': '/redirectloop'
+  })
+
+  .get('/proxyerror')
+  .replyWithError('throw node')
+;
+
+echoheaders('http://example.com');
+echoheaders('http://example.com:1337');
+echoheaders('https://example.com');
+echoheaders('https://example.com:1337');
+
+nock('http://robots.txt')
+  .get('/')
+  .reply(200, 'this is http://robots.txt');