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reject-importGlobalProperties
=============================
Rejects calls to ``Cu.importGlobalProperties`` or
``XPCOMUtils.defineLazyGlobalGetters``.
In system modules all the required properties should already be available. In
non-module code or non-system modules, webidl defined interfaces should already
be available and hence do not need importing.
Options
-------
* "everything": Disallows using the import/getters completely.
* "allownonwebidl": Disallows using the import functions for webidl symbols. Allows
other symbols.
everything
----------
Incorrect code for this option:
.. code-block:: js
Cu.importGlobalProperties(['TextEncoder']);
XPCOMUtils.defineLazyGlobalGetters(this, ['TextEncoder']);
allownonwebidl
--------------
Incorrect code for this option:
.. code-block:: js
// AnimationEffect is a webidl property.
Cu.importGlobalProperties(['AnimationEffect']);
XPCOMUtils.defineLazyGlobalGetters(this, ['AnimationEffect']);
Correct code for this option:
.. code-block:: js
// TextEncoder is not defined by webidl.
Cu.importGlobalProperties(['TextEncoder']);
XPCOMUtils.defineLazyGlobalGetters(this, ['TextEncoder']);
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