https://thegraph.com/explorer/ is breaking

[aditya-manit]

https://thegraph.com/explorer/ is breaking a lot, and stacktrace is getting show on the browser, we could handle it better and show a user friendly message. Its always better to have generic exception mapper which could maps any exception if we forget to handle it.

Stacktrace at the browser:

An error occurred.
Error: Network error: Unexpected token < in JSON at position 0
at new ApolloError (/graph-explorer/node_modules/apollo-client/bundle.umd.js:59:32)
at QueryManager. (/graph-explorer/node_modules/apollo-client/bundle.umd.js:1183:49)
at step (/graph-explorer/node_modules/tslib/tslib.js:133:27)
at Object.next (/graph-explorer/node_modules/tslib/tslib.js:114:57)
at /graph-explorer/node_modules/tslib/tslib.js:107:75
at new Promise ()
at Object.__awaiter (/graph-explorer/node_modules/tslib/tslib.js:103:16)
at /graph-explorer/node_modules/apollo-client/bundle.umd.js:1146:87
at /graph-explorer/node_modules/apollo-client/bundle.umd.js:1626:21
at Array.forEach ()