[bug #60027] Supporting template interpolation and tags in JavaScript

[Evan Welsh]

URL:
  <https://savannah.gnu.org/bugs/?60027>

                 Summary: Supporting template interpolation and tags in
JavaScript
                 Project: GNU gettext
            Submitted by: ewlsh
            Submitted on: Tue 09 Feb 2021 06:33:53 AM UTC
                Category: JavaScript
                Severity: 3 - Normal
              Item Group: None
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any

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Details:

GJS hopes to deprecate its formatting module in favor of template strings.
Such a change would require xgettext changes to continue supporting translated
strings. We're hoping to discuss whether xgettext would ship support for a
potential API if we were to implement it in GJS or alternatively what API
xgettext would be interested in shipping.

The GJS proposal is currently at
https://gitlab.gnome.org/GNOME/gjs/-/issues/374

The goal of the initial proposal is to make it close enough to the existing
syntax that it is not overly challenging to parse or implement.

## The API

The API could potentially look like:


gettext(msgid`A sentence with an ${argument}`)


where `msgid` is a template tag which handles the appropriate conversions
before passing it to a gettext function.

The msgid would be the same string with any top-level expressions replaced by
their index:


msgid "A sentence with an ${0}"

(or)

msgid "A sentence with a ${0} and a ${1}"


### Shortcuts

A shortcut for gettext could also be included:


_`A dog named ${name}`


To simplify the very common...


_(msgid`A dog named ${name}`)






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