Package com.vaadin.flow.internal

Class JavaScriptSemantics

java.lang.Object

com.vaadin.flow.internal.JavaScriptSemantics

public class JavaScriptSemantics
extends Object

Helpers for replicating JavaScript semantics in Java.

For internal use only. May be renamed or removed in a future release.

Since:

1.0

Author:

Vaadin Ltd

Method Summary

Modifier and Type	Method	Description
static boolean	isTrueish(Object value)	Gets the boolean value of the provided value: null is false.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details

isTrueish

public static boolean isTrueish(Object value)

Gets the boolean value of the provided value:

• null is false.
• String values are true, except for the empty string.
• Numerical values are true, except for 0 and NaN.
• JSON object and JSON array values are always true.

Parameters:

value - the value to check for truthness

Returns:

true if the provided value is trueish according to JavaScript semantics, otherwise false