[Runtime error]: Failed to read the 'localStorage' property from 'Window': Access is denied for this document.

[angelozdev]

About

Devtools does not detect a running instance of urql.

Reproduction

1. Clone this example project
2. Run yarn install
3. Run yarn start
4. Open chrome and navigate to http://localhost:8080
5. Open the urql devtools panel

Expected result

• Extension detects app

Actual result

• Extension shows message "Waiting for exchange"

Stack trace

Error: Failed to read the 'localStorage' property from 'Window': Access is denied for this document.
  at la (chrome-extension://mcfphkbpmkbeofnkjehahlmidmceblmm/panel.js:6:58506)
  at Qo (chrome-extension://mcfphkbpmkbeofnkjehahlmidmceblmm/panel.js:2:1044168)
  at Cs (chrome-extension://mcfphkbpmkbeofnkjehahlmidmceblmm/panel.js:2:1090218)
  at yu (chrome-extension://mcfphkbpmkbeofnkjehahlmidmceblmm/panel.js:2:1082960)
  at mu (chrome-extension://mcfphkbpmkbeofnkjehahlmidmceblmm/panel.js:2:1082885)
  at su (chrome-extension://mcfphkbpmkbeofnkjehahlmidmceblmm/panel.js:2:1079915)
  at chrome-extension://mcfphkbpmkbeofnkjehahlmidmceblmm/panel.js:2:1031556
  at t.unstable_runWithPriority (chrome-extension://mcfphkbpmkbeofnkjehahlmidmceblmm/panel.js:2:1106612)
  at Gi (chrome-extension://mcfphkbpmkbeofnkjehahlmidmceblmm/panel.js:2:1031265)
  at Ji (chrome-extension://mcfphkbpmkbeofnkjehahlmidmceblmm/panel.js:2:1031501)

Additional info

environment	version
browser	Chrome 69
urql	0.0.0
urql devtools	0.0.0
@urql/devtools	0.0.0

[andyrichardson]

Thanks for the report, there's more info about how to get around this here #374