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ICU syntax
intlc supports most common ICU syntax with some optional extras.
Hello, world!
Anything not included in brace-denoted interpolations is parsed as plaintext. Escaping is supported as per the ICU 4.8+ spec.
{name}
String interpolations don't require an explicit type annotation.
{age, number}
❎ Number skeletons are not yet supported.
{today, date, medium}: {now, time, short}
A format is required. Valid values are short, medium, long, and full.
❎ Date and time skeletons are not yet supported.
A {day, select, Friday {great} Monday {less great} other {}} day
🌟 Unlike other implementations targeting TypeScript, intlc will output a string literal union if a wildcard (other) is not provided.
{numStars, plural, one {# person likes} other {# people like}} intlc
Both plural and selectordinal, representing cardinal and ordinal pluralization respectively, are supported. The # shorthand syntax to reference the same interpolated value is supported.
🌟 Unlike other implementations targeting TypeScript, intlc will output a number literal union if a wildcard (other) is not provided. This is only supported and semantically reasonable with cardinal plural.
Hello <bold>{name}</bold>
The above example compiles a little differently depending upon the targeted backend. With a ts backend bold will be string -> string, whereas with a tsx backend it will be ReactElement -> ReactElement.
{isSubscribed, boolean, true {Manage} false {Subscribe}}
The boolean type is in practice similar to select with true and false cases, particularly in intlc where a wildcard is not required. Its addition is simply to avoid the need to cast boolean to 'true' | 'false' at call sites.