GitHub - febit/wit: A script/template engine implemented in pure Java

<dependency>
    <groupId>org.febit.wit</groupId>
    <artifactId>wit-core</artifactId>
  <version>3.0.0</version>
</dependency>

implementation 'org.febit.wit:wit-core:3.0.0'

Wit wit = Wit.builder()
    // set DispatchLoader with multiple rules.
    .loader(Loaders.dispatch()
        // Load script from string content.
        .rule("code:", Loaders.string().build())
        // Load script from FileSystem with a specific root.
        .rule("file:", Loaders.fileSystem()
            .root("path/to/local/scripts")
            // Enable caching for file system loader.
            .cacheEnabled(true)
            .build())
        // ... add more rules if needed
        .build())
    .build();
Script script = wit.script("""
    code: echo "Hello Wit！";
    """);
Context context = script.eval(Vars.empty(), out);

%>Hello Wit!<%
var books;
{
    for(book : books) {
%>
${for.iter.index + 1}.《${book.name}》 ￥${book.price}
<%
    }
}
{
    var func = function(a, b) {
        return a + b + arguments[3];
    };
    echo func("a", "b", "c");
}
{
    var map = {
        books,
        1: 1,
        "key2": "value2",
        3: 2 + 1
    };
    map[5] = 2 + 3;
    map.~put("6", 2*3);
    
    for(key, value : map) {
        echo key + ":" +value + "\n";
    }
}
%>