[wp-trac] [WordPress Trac] #20491: Introduce some JavaScript i18n functions

[WordPress Trac]

#20491: Introduce some JavaScript i18n functions
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 Reporter:  johnbillion               |       Owner:  swissspidy
     Type:  enhancement               |      Status:  assigned
 Priority:  normal                    |   Milestone:  Future Release
Component:  I18N                      |     Version:
 Severity:  normal                    |  Resolution:
 Keywords:  has-patch has-unit-tests  |     Focuses:  javascript
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Comment (by swissspidy):

 In [attachment:20491.4.diff]:

 * Remove underscore.js as a dependency of `wp-i18n.js`
 * Add `esc_attr_x()`, `esc_html__()` and `esc_html_x()` in addition to
 `esc_attr__()`.

 I added both esc_attr_* and esc_html_* functions even though in PHP those
 actually do the same. Escaping is done through I private `escape` method
 which is inspired by `_.escape()`.

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Ticket URL: <https://core.trac.wordpress.org/ticket/20491#comment:33>
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