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-rw-r--r-- | docs/code-quality/lint/linters/eslint-plugin-mozilla/rules/balanced-observers.rst | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/docs/code-quality/lint/linters/eslint-plugin-mozilla/rules/balanced-observers.rst b/docs/code-quality/lint/linters/eslint-plugin-mozilla/rules/balanced-observers.rst new file mode 100644 index 0000000000..b169a520a3 --- /dev/null +++ b/docs/code-quality/lint/linters/eslint-plugin-mozilla/rules/balanced-observers.rst @@ -0,0 +1,20 @@ +balanced-observers +================== + +Checks that for every occurrence of ``addObserver`` there is an +occurrence of ``removeObserver`` with the same topic. + +Examples of incorrect code for this rule: +----------------------------------------- + +.. code-block:: js + + Services.obs.addObserver(observer, 'observable'); + +Examples of correct code for this rule: +--------------------------------------- + +.. code-block:: js + + Services.obs.addObserver(observer, 'observable'); + Services.obs.removeObserver(observer, 'observable'); |