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Diffstat (limited to 'railties/doc/guides/source/creating_plugins/odds_and_ends.txt')
| -rw-r--r-- | railties/doc/guides/source/creating_plugins/odds_and_ends.txt | 34 |
1 files changed, 0 insertions, 34 deletions
diff --git a/railties/doc/guides/source/creating_plugins/odds_and_ends.txt b/railties/doc/guides/source/creating_plugins/odds_and_ends.txt index 88cd4fe9ed..a52e1c8fdb 100644 --- a/railties/doc/guides/source/creating_plugins/odds_and_ends.txt +++ b/railties/doc/guides/source/creating_plugins/odds_and_ends.txt @@ -1,39 +1,5 @@ == Odds and ends == -=== Work with init.rb === - -The plugin initializer script 'init.rb' is invoked via `eval` (not `require`) so it has slightly different behavior. - -If you reopen any classes in init.rb itself your changes will potentially be made to the wrong module. As a rule, it's better not to open any classes in `init.rb`, and it makes the plugin more difficult to turn into a gem. - -A better alternative is to reopen the class in a different file, and require that file from `init.rb`. - -If you must reopen a class in `init.rb`, there are various techniques. One way is to use `module_eval` or `class_eval`: - -*vendor/plugins/yaffle/init.rb* - -[source, ruby] ---------------------------------------------------- -Hash.class_eval do - def is_a_special_hash? - true - end -end ---------------------------------------------------- - -Another way is to explicitly define the top-level module space for all modules and classes, like `::Hash`: - -*vendor/plugins/yaffle/init.rb* - -[source, ruby] ---------------------------------------------------- -class ::Hash - def is_a_special_hash? - true - end -end ---------------------------------------------------- - === Generate RDoc Documentation === Once your plugin is stable, the tests pass on all database and you are ready to deploy do everyone else a favor and document it! Luckily, writing documentation for your plugin is easy. |