store.setState @@PUSH Tag Usage
Sample:store.setState({
stateKey0: { // where `state.stateKey0` is an array
'@@PUSH': [ // performs array push on `state.stateKey0`.
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]
}
});Example:
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import { PUSH_TAG } from '@webkrafters/react-observable-context'; // PUSH_TAG = "@@PUSH"
const state = {
a: { b: [{ x: 7, y: 8, z: 9 }, { x: 17, y: 18, z: 19 }] },
j: 10
};
store.setState({ a: { [ PUSH_TAG ]: [{ n: 5 }] } }); // assigning a '@@PUSH' command to a non-array property has no effect.
/* appends 2 new items into state.a.b; leaving state.a.b = [...state.a.b, { x: 27, y: 28, z: 29 }, { x: 37, y: 38, z: 39 }] */
store.setState({ a: { b: { [ PUSH_TAG ]: [{ x: 27, y: 28, z: 29 }, { x: 37, y: 38, z: 39 }] } } });
