zulip/frontend_tests/zjsunit/i18n.js

29 lines
1.0 KiB
JavaScript

exports.t = function (str, context) {
// We are currently assuming that we will receive context in form of a Dict
// of key value pairs and string will be having substitution for keywords
// like these "__keyword__".
if (context === undefined) {
return 'translated: ' + str;
}
const keyword_regex = /__(- )?(\w)+__/g;
const keys_in_str = str.match(keyword_regex);
const substitutions = _.map(keys_in_str, function (key) {
let prefix_length;
if (key.startsWith("__- ")) {
prefix_length = 4;
} else {
prefix_length = 2;
}
return {
keyword: key.slice(prefix_length, key.length - 2),
prefix: key.slice(0, prefix_length),
suffix: key.slice(key.length - 2, key.length),
};
});
_.each(substitutions, function (item) {
str = str.replace(item.prefix + item.keyword + item.suffix,
context[item.keyword]);
});
return 'translated: ' + str;
};