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Spread operator no longer passed in React Native map function

By : joyeu
Date : October 16 2020, 06:10 PM
hope this fix your issue The spread as an attribute in this case is usually done to pass a set of object keys down as props, rather than an object itself. For example, consider this object:
code :
const obj = {
  propA: 5,
  propB: 'hi'
const order = {
  order: 'something'

<MyComp {...order}/> // this will pass a prop called order down

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React Native: what is a proper way to pass style as props, when using spread operator on the child component

By : pezih
Date : March 29 2020, 07:55 AM
will help you I usually destructure the named property (style) out for the object, and use the rest operator to collect the remaining props into a new object:
code :
const {style, ...rest} = props;

return (
    style={[styles.input, style]}

React Native AsyncStorage and spread operator is not working

By : Morten K. Fæste
Date : March 29 2020, 07:55 AM
it fixes the issue After some time, I figured it out. I used Array.from(someString)
This post saved me. It looks like there is another way to solve if you read the post
code :
 AsyncStorage.getItem("savedIds", (err, result) => {
            if (result !== null) {
              var newIds = JSON.parse(result);
              var data = [];
              data = Array.from(goals);
              AsyncStorage.setItem("savedIds", JSON.stringify(data));
            } else {
              AsyncStorage.setItem("savedIds", JSON.stringify(obj));

Using spread operator in react/react native (redux)

By : user3494863
Date : March 29 2020, 07:55 AM
help you fix your problem For React , you need to worry about using ES6 because the transpilers used such as babel.js are not supported in older versions of browsers and specially Internet explorer. Check the support chart for babel 7 .
For React native things work differently. There's an RCT bridge which helps in converting the javascript/react code into respective native codes for android and ios. So basically everything is converted to native code and then rendered. For react native you dont have to worry about using ES6 syntax as long as your app works on older phones , i.e if the APK is supported in older version of android, then the javascript syntaxes would work.

Spread operator in React Native causes 'Unexpected token' error with mocha

By : Jonathan
Date : March 29 2020, 07:55 AM
wish of those help I just started seeing this too. Seems like a bug. AFAIK babel doesn't compile files under node_modules because they should always be precompiled.
Also this is a pretty recent addition

Why is not allowing spread operator in React Native component property assignment a performance optimization?

By : Radheshyam Mallah
Date : March 29 2020, 07:55 AM
hop of those help? Actually it turns out to be Number when the style property passed to the child component if you use StyleSheet.create().
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