Runtime Error

SignalsValueRequired

No value was provided to the data-signals attribute.

The data-signalsError attribute must have a value, representing either an expression (if a key is provided), or an object of key-value pairs, where the keys are signal names and the values are expressions.

Example:

1<div data-signals-foo="1"></div>

Alternative syntax:

1<div data-signals="{foo: 1}"></div>

See the docs for the data-signals attribute.