chore(server): Move api-server in to it's own DIR

api-server/server/middlewares/error-handlers.js

@@ -0,0 +1,90 @@
+// import { inspect } from 'util';
+// import _ from 'lodash/fp';
+import accepts from 'accepts';
+
+import { homeLocation } from '../../../config/env';
+
+import { unwrapHandledError } from '../utils/create-handled-error.js';
+
+const isDev = process.env.NODE_ENV !== 'production';
+
+// const toString = Object.prototype.toString;
+// is full error or just trace
+// _.toString(new Error('foo')) => "Error: foo
+// Object.prototype.toString.call(new Error('foo')) => "[object Error]"
+// const isInspect = val => !val.stack && _.toString(val) === toString.call(val);
+// const stringifyErr = val => {
+//   if (val.stack) {
+//     return String(val.stack);
+//   }
+
+//   const str = String(val);
+
+//   return isInspect(val) ?
+//     inspect(val) :
+//     str;
+// };
+
+// const createStackHtml = _.flow(
+//   _.cond([
+//     [isInspect, err => [err]],
+//     // may be stack or just err.msg
+//     [_.stubTrue, _.flow(stringifyErr, _.split('\n'), _.tail) ]
+//   ]),
+//   _.map(_.escape),
+//   _.map(line => `<li>${line}</lin>`),
+//   _.join('')
+// );
+
+// const createErrorTitle = _.cond([
+//   [
+//     _.negate(isInspect),
+//     _.flow(stringifyErr, _.split('\n'), _.head, _.defaultTo('Error'))
+//   ],
+//   [_.stubTrue, _.constant('Error')]
+// ]);
+
+export default function prodErrorHandler() {
+  // error handling in production.
+  // disabling eslint due to express parity rules for error handlers
+  return function(err, req, res, next) {
+    // eslint-disable-line
+    const handled = unwrapHandledError(err);
+    // respect handled error status
+    let status = handled.status || err.status || res.statusCode;
+    if (!handled.status && status < 400) {
+      status = 500;
+    }
+    res.status(status);
+
+    // parse res type
+    const accept = accepts(req);
+    const type = accept.type('html', 'json', 'text');
+
+    const redirectTo = handled.redirectTo || `${homeLocation}/`;
+    const message =
+      handled.message || 'Oops! Something went wrong. Please try again later';
+
+    if (isDev) {
+      console.error(err);
+    }
+
+    if (type === 'html') {
+      if (typeof req.flash === 'function') {
+        req.flash(handled.type || 'danger', message);
+      }
+      return res.redirectWithFlash(redirectTo);
+      // json
+    } else if (type === 'json') {
+      res.setHeader('Content-Type', 'application/json');
+      return res.send({
+        type: handled.type || 'errors',
+        message
+      });
+      // plain text
+    } else {
+      res.setHeader('Content-Type', 'text/plain');
+      return res.send(message);
+    }
+  };
+}