Function formatPlaceholder

formatPlaceholder(text?, params?): string | undefined | null
Returns the replaced string of the source string (named placeholder) with the given parameters
Parameters
- Optionaltext: null | string
  the source string to inspect
- Optionalparams: {
  [key: string]: any;
  }
  the parameters to replaced with, in the form of key values
  - [key: string]: any
Returns string | undefined | null
the replaced string of the source string
Example
```
formatPlaceholder("foo{bar}", {bar: "bar"});    //  "foobar"
formatPlaceholder("foobar{none}");    //  "foobar{none}"
formatPlaceholder("foobar{none}", {});    //  "foobar{none}"
formatPlaceholder("hello {name}, foo{bar}", {name: "world", bar: "bar"});    //  "hello world, foobar"
```