tree-sitter/spec/runtime/languages/javascript/main.txt

==========================================
parses multiple statements
==========================================
var x = {};
{};
---
(program
    (statement (assignment (identifier) (object)))
    (statement (object)))

==========================================
parses if statements
==========================================
if (theCondition) {
    var x = 2;
}
---
(program
    (if_statement
        (identifier)
        (statement_block (statement (assignment (identifier) (number))))))

==========================================
parses if-else statements
==========================================
if (theCondition) {
    var x = 2;
} else {
    var x = 4;
}
---
(program (if_statement
    (identifier)
    (statement_block (statement (assignment (identifier) (number))))
    (statement_block (statement (assignment (identifier) (number))))))

==============================================
parses if-else statements with many conditions
==============================================
if (conditionA) {
    var x = 2;
} else if (conditionB)
    var x = 4;
else {
    var x = 8;
}
---
(program (if_statement
    (identifier)
    (statement_block (statement (assignment (identifier) (number))))
    (if_statement 
        (identifier)
        (statement (assignment (identifier) (number)))
        (statement_block (statement (assignment (identifier) (number)))))))

==========================================
parses named functions
==========================================
var x = {
    theMethod: function(argA, argB) {
        var x = argA;
    }
};

x.theMethod(5, 6);
---
(program 
    (statement (assignment
        (identifier)
        (object (identifier) (function_expression
            (formal_parameters (identifier) (identifier))
            (statement_block (statement (assignment (identifier) (identifier))))))))
    (statement (function_call
        (property_access (identifier) (identifier))
        (number) (number))))