localized_string 0.1.1
localized_string: ^0.1.1

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LocalizedString is an implementation of String that depends on BuildContext.

localized_string #

LocalizedString is an implementation of String that depends on BuildContext.

It can be helpful if you need to return a string which should be localized in the future but you don't have a context. Simple example is validator, it should return localized string but it can't use the context because validator is encapsulated from it.

Examples #

To create localized string use this snippet:

LocalizedString.fromFactory((context) => AppLoc.of(context).title);

To compare localized string you should specify key for each of them:

final s1 = LocalizedString.fromFactory((context) => AppLoc.of(context).title, 'title');
final s2 = LocalizedString.fromFactory((context) => AppLoc.of(context).title, 'title');
final s3 = LocalizedString.fromFactory((context) => AppLoc.of(context).desc, 'desc');

assert(s1 == s2);
assert(s1 != s3);

Also you can create LocalizedString from regular string:

LocalizedString.fromString("Hello world");

it will create LocalizedString with the same key as its value.

To localize string, just call localize method:

final s1 = LocalizedString((context) => AppLoc.of(context).title, 'title');
s1.localize(context);

You can concatenate two strings by using + operator:

final s1 = LocalizedString.fromString("Hello");
final s2 = LocalizedString.fromString("world");
final s = s1 + ' ' + s2;

assert(s.localize(context) == 'Hello world');

And join:

final hello = LocalizedString.fromFactory((_) => 'Hello');
final world = LocalizedString.fromFactory((_) => 'World!');

final concat = [hello, world].joinLocalizedS(' ');
// or
final concat = [hello, world].joinLocalized(LocalizedString.fromString(' '));

assert(concat.localize(context) == 'Hello World!');
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Publisher

andrey.kabylin.ru

LocalizedString is an implementation of String that depends on BuildContext.

Repository (GitHub)
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Documentation

API reference

License

MIT (LICENSE)

Dependencies

equatable, flutter, uuid

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Packages that depend on localized_string