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ID: typescript-best-practices/new-parens
Language: TypeScript
Severity: Notice
Category: Best Practices
This rule enforces the consistent use of parentheses in new
statements. In JavaScript, you can omit parentheses when the constructor has no arguments, but you should always use them for consistency.
// Default (Always)
var a = new Date;
var a = new Date
var a = new (Date);
var a = new (Date)
var a = (new Date)
// This `()` is `CallExpression`'s. This is a call of the result of `new Date`.
var a = new foo.Bar;
var a = (new Foo).bar;
// Explicit always
var a = new Date;
var a = new foo.Bar;
var a = (new Foo).bar;
var a = new new Foo();
// OPTION never not supported
// Never
// var a = new Date();
// var a = new Date()
// var a = new (Date)();
// var a = new (Date)()
// var a = (new Date())
// var a = (new Date())()
// var a = new foo.Bar();
// var a = (new Foo()).bar;
// var a = new new Foo()
// Default (Always)
var a = new Date();
var a = new Date(function() {});
var a = new (Date)();
var a = new ((Date))();
var a = (new Date());
var a = new foo.Bar();
var a = (new Foo()).bar;
// Explicit Always
var a = new Date();
var a = new foo.Bar();
var a = (new Foo()).bar;
// OPTION never not supported
// Never
// var a = new Date;
// var a = new Date(function() {});
// var a = new (Date);
// var a = new ((Date));
// var a = (new Date);
// var a = new foo.Bar;
// var a = (new Foo).bar;
// var a = new Person('Name')
// var a = new Person('Name', 12)
// var a = new ((Person))('Name');
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