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

==========================================
parses if statements
==========================================
if (isReady()) {
    console.log(theData)
}
---
(program
    (if_statement (function_call (identifier))
        (statement_block (expression_statement (function_call (property_access (identifier) (identifier)) (identifier))))))

==========================================
parses if-else statements
==========================================
if (theCondition) {
    firstFunction();
} else {
    secondFunction();
}
---
(program (if_statement
    (identifier)
    (statement_block (expression_statement (function_call (identifier))))
    (statement_block (expression_statement (function_call (identifier))))))

==================================================
parses if-else statements with multiple conditions
==================================================
if (firstValue) {
    firstFunction();
} else if (secondValue)
    secondFunction();
else {
    thirdFunction();
}
---
(program
    (if_statement (identifier)
        (statement_block (expression_statement (function_call (identifier))))
        (if_statement (identifier)
            (expression_statement (function_call (identifier)))
            (statement_block (expression_statement (function_call (identifier)))))))

==========================================
parses for loops
==========================================
for (var i = 1; someCondition(i); i = next()) {
    doSomething();
}
---
(program (for_statement
    (var_declaration (assignment (identifier) (number)))
    (expression_statement (function_call (identifier) (identifier)))
    (assignment (identifier) (function_call (identifier)))
    (statement_block (expression_statement (function_call (identifier))))))

==========================================
parses while loops
==========================================
while (someCondition(i)) {
    doSomething();
}
---
(program (while_statement
    (function_call (identifier) (identifier))
    (statement_block (expression_statement (function_call (identifier))))))

==========================================
parses try/catch statements
==========================================
try {
    doSomething();
} catch (e) {
    logError(e);
}
---
(program (try_statement
    (statement_block (expression_statement (function_call (identifier))))
    (identifier)
    (statement_block (expression_statement (function_call (identifier) (identifier))))))

===========================================
parses indented code after blocks
===========================================
  function x() {}
  return z;
---
(program
    (expression_statement
        (function_expression (identifier) (formal_parameters) (statement_block)))
    (return_statement (identifier)))
===========================================
parses switch statements
===========================================
switch(x) {
    case "hello":
        print("one");
        break;
    case z():
        print("two");
        break;
    default:
        print("three");
}
---
(program
    (switch_statement (identifier)
        (switch_case
            (string)
            (expression_statement (function_call (identifier) (string)))
            (break_statement))
        (switch_case
            (function_call (identifier))
            (expression_statement (function_call (identifier) (string)))
            (break_statement))
        (switch_case
            (expression_statement (function_call (identifier) (string))))))