composeScripts¶
This compose scripts API first appeared in Thunderbird 77. Functionally it is the same as the content scripts API except that it works on the document of email messages during composition. See the MDN documentation for a more in-depth explanation and Changes in Thunderbird 77 for examples.
See also executeScript, insertCSS, and removeCSS.
Note
Registering a compose script through manifest.json
is not possible at this point.
Functions¶
register(composeScriptOptions)¶
Register a compose script programmatically
Parameters
Required permissions
Types¶
RegisteredComposeScript¶
An object that represents a compose script registered programmatically
object
unregister()
Unregister a compose script registered programmatically
RegisteredComposeScriptOptions¶
Details of a compose script registered programmatically
object
The list of CSS files to inject
The list of JavaScript files to inject
External Types¶
The following types are not defined by this API, but by the underlying Mozilla WebExtension code base. They are included here, because there is no other public documentation available.
ExtensionFileOrCode¶
Specify code, either by pointing to a file or by providing the code directly. Only one of the two is allowed.
object
code
(string)
Some JavaScript code to register.
file
(string)
A URL starting at the extension’s manifest.json and pointing to a JavaScript file to register.