Function template

template(
    str: string,
    values: Record<string, unknown>,
    options?: { prefix?: string; suffix?: string },
): string
String template interpolation

字符串模板插值，支持 {{variable}} 形式的占位符
Parameters
- str: string
  The template string. 模板字符串
- values: Record<string, unknown>
  An object containing values to interpolate. 包含要插值的值对象
- options: { prefix?: string; suffix?: string } = {}
  Options. 选项
  - Optionalprefix?: string
    Prefix for placeholders. Default is '{{'. 占位符前缀，默认为 '{{'
  - Optionalsuffix?: string
    Suffix for placeholders. Default is '}}'. 占位符后缀，默认为 '}}'
Returns string
The interpolated string. 插值后的字符串
Example
```
template('Hello, {{name}}!', { name: 'World' }) // => 'Hello, World!'
template('{{greeting}}, {{name}}', { greeting: 'Hi', name: 'there' }) // => 'Hi, there'
template('{{a}} + {{b}} = {{c}}', { a: 1, b: 2, c: 3 }) // => '1 + 2 + 3'
```
Example
Unclosed / overlapping placeholders are preserved as literal text:
```
template('{{a hello {{b}}', { b: 'world' }) // => '{{a hello world'
template('{{open text', {})                    // => '{{open text'
```
Example
Custom prefix/suffix:
```
template('<%name%>', { name: 'World' }, { prefix: '<%', suffix: '%>' }) // => 'World'
```
- Defined in src/string/template.ts:38