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react make setstate synchronous

Selfish Swan answered on September 10, 2021 Popularity 9/10 Helpfulness 4/10

answer react make setstate synchronous

related react setState synchronous

react make setstate synchronous

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class MyComponent extends React.Component {

    function setStateSynchronous(stateUpdate) {
        return new Promise(resolve => {
            this.setState(stateUpdate, () => resolve());
        });
    }

    async function foo() {
        // state.count has value of 0
        await setStateSynchronous(state => ({count: state.count+1}));
        // execution will only resume here once state has been applied
        console.log(this.state.count);  // output will be 1
    }
}

Popularity 9/10 Helpfulness 4/10 Language javascript

Source: stackoverflow.com

Tags: javascript setstate synchronous

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Contributed on Sep 10 2021

Selfish Swan

0 Answers Avg Quality 2/10

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react setState synchronous

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// Correct
this.setState((state, props) => ({
  counter: state.counter + props.increment
}));

Popularity 9/10 Helpfulness 2/10 Language javascript

Source: reactjs.org

Tags: javascript j

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Contributed on Apr 01 2022

Impossible Ibis

0 Answers Avg Quality 2/10

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react make setstate synchronous

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