extension.isAllowedFileSchemeAccess()

Returns true if the extension can access the "file://" scheme, false otherwise.
 

This is an asynchronous function that returns a Promise.

Syntax

var isAllowed = browser.extension.isAllowedFileSchemeAccess()

Parameters

None.

Return value

A Promise that will be fulfilled with a boolean: true if the extension is allowed access to "file://" URLs, false otherwise.

Firefox will always return false.

Browser compatibility

Update compatibility data on GitHub
DesktopMobile
ChromeEdgeFirefoxOperaSafariFirefox for Android
isAllowedFileSchemeAccessChrome Full support YesEdge Full support 79Firefox Full support 48Opera Full support YesSafari Partial support 14
Notes
Partial support 14
Notes
Notes Always returns false.
Firefox Android Full support 48

Legend

Full support  
Full support
Partial support  
Partial support
See implementation notes.
See implementation notes.

Examples

function logIsAllowed(answer) {
  console.log(`Is allowed: ${answer}`);
}

var isAllowed = browser.extension.isAllowedFileSchemeAccess();
isAllowed.then(logIsAllowed);
Acknowledgements

This API is based on Chromium's chrome.extension API. This documentation is derived from extension.json in the Chromium code.

Microsoft Edge compatibility data is supplied by Microsoft Corporation and is included here under the Creative Commons Attribution 3.0 United States License.