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docs: add example for value interpolation (#79)

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Added a short example about how to inject custom values into the translation
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pal03377 2020-06-27 01:23:10 +02:00 committed by GitHub
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docs/Formatting.md
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@ -55,7 +55,17 @@ interface MessageObject {
- `format`: the format to be used. See [#formats](#formats);
- `values`: properties that should be interpolated in the message;
You can pass a `string` as the first parameter for a less verbose way of formatting a message.
You can pass a `string` as the first parameter for a less verbose way of formatting a message. It is also possible to inject values into the translation like so:
```jsonc
// en.json
{
"awesome": "{name} is awesome!"
}
```
```svelte
<h1>{$_("awesome", { values: { name: "svelte-i18n" } })}</h1> <!-- "svelte-i18n is awesome" -->
```
If the message id literal value is not in the root of the dicitonary, `.` (dots) are interpreted as a path: