Function finishProperty

docs/app/js/sanddance-app.js:144062–144068

(kind, key, value)

    return node;
}
function finishProperty(kind, key, value) {
    const node = new ASTNode(SyntaxProperty);
    node.key = key;
    node.value = value;
    node.kind = kind;
    return node;
}
function finishUnaryExpression(operator, argument) {
    const node = new ASTNode(SyntaxUnaryExpression);
    node.operator = operator;