Nesting

Nesting
Nesting allows you to reference other keys in a translation. Could be useful to build glossary terms.
Basic
keys
{
    "nesting1": "1 $t(nesting2)",
    "nesting2": "2 $t(nesting3)",
    "nesting3": "3",
}
sample
i18next.t('nesting1'); // -> "1 2 3"
You can reference keys from other namespaces by prepending the namespace: "nesting1": "1 $t(common:nesting2)",
Passing options to nestings
You can pass entire data models in options.
keys
{
      "girlsAndBoys": "$t(girls, {'count': {{girls}} }) and {{count}} boy",
      "girlsAndBoys_plural": "$t(girls, {'count': {{girls}} }) and {{count}} boys",
      "girls": "{{count}} girl",
      "girls_plural": "{{count}} girls"
}
sample
i18next.t('girlsAndBoys', {count: 2, girls: 3});
// -> "3 girls and 2 boys"
Passing nesting to interpolated
keys
{
      "key1": "hello world",
      "key2": "say: {{val}}"
}
sample
i18next.t('key2', {val: '$t(key1)'});
// -> "say: hello world"
Additional options
Prefix/Suffix for nesting and other options can be overridden in init interpolation options or by passing additional options to t function:
sample
i18next.init({
    interpolation: { ... }
});
​
i18next.t('key', {
    interpolation: { ... }
});
option
default
description
nestingPrefixEscaped
undefined
escaped prefix for nesting (regexSafe)
nestingSuffixEscaped
undefined
escaped suffix for nesting (regexSafe)
While there are a lot of options going with the defaults should get you covered.

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option	default	description
nestingPrefixEscaped	undefined	escaped prefix for nesting (regexSafe)
nestingSuffixEscaped	undefined	escaped suffix for nesting (regexSafe)