spread-syntax

问题 I'm building a react application, and I'm importing a node module which uses the spread operator ... and I'm getting an error "Module parse failed: Unexpected token (100:6)" at this operator. How can I get this to work? Thanks 回答1: The create-react-app cli has already bundled this ES2015 feature. Older babel does not support this and needs to be installed separately Now assuming you setup your react manually and not using the create-react-app. You can set up this by installing the package

问题 I'm building a react application, and I'm importing a node module which uses the spread operator ... and I'm getting an error "Module parse failed: Unexpected token (100:6)" at this operator. How can I get this to work? Thanks 回答1: The create-react-app cli has already bundled this ES2015 feature. Older babel does not support this and needs to be installed separately Now assuming you setup your react manually and not using the create-react-app. You can set up this by installing the package

问题 I'm reading about unknown-prop warnings in react, particularly because I'm using the react-bootstrap package and have stumbled upon them there. i've read that: 'To fix this, composite components should "consume" any prop that is intended for the composite component and not intended for the child component', on here: https://gist.github.com/jimfb/d99e0678e9da715ccf6454961ef04d1b and an example is given for how the spread operator can be used to pull variables off props, and put the remaining

问题 Using the spread operator in react with objects like props within JSX seems not to output what I expect. <Text {...this.props} /> seems to be rendered into style="foo" , where it should be style:"foo" as documented here. I couldn't find this documented anywhere. I'm totally new to react and I'm trying to understand the syntax and wonder if react does undocumented stuff like this internally. A simple test just underlined my confusion: const x = {...{test:1}}.test; alert(x); alerted 1 And this

来源： https://stackoverflow.com/questions/47875815/is-there-an-object-spread-syntax-in-python-2-7x-like-in-javascript

来源： https://stackoverflow.com/questions/47875815/is-there-an-object-spread-syntax-in-python-2-7x-like-in-javascript

来源： https://stackoverflow.com/questions/51519149/how-to-return-a-spread-operator-in-a-map-arrow-function-in-one-line

来源： https://stackoverflow.com/questions/51519149/how-to-return-a-spread-operator-in-a-map-arrow-function-in-one-line

来源： https://stackoverflow.com/questions/51519149/how-to-return-a-spread-operator-in-a-map-arrow-function-in-one-line

来源： https://stackoverflow.com/questions/51519149/how-to-return-a-spread-operator-in-a-map-arrow-function-in-one-line