Fix error overlay 'Object.assign' issue in IE #3043
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gaearon
reviewed
Sep 1, 2017
| @@ -174,7 +174,9 @@ class StackFrame extends Component { | |||
| onClick={canOpenInEditor ? this.openInEditor : null} | |||
| style={canOpenInEditor ? codeAnchorStyle : null} | |||
| > | |||
| <CodeBlock {...codeBlockProps} /> | |||
| {// Use JS instead of JSX spread attributes to avoid Object.assign | |||
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That's unfortunate. Are you sure this is really an issue? I had an impression that JSX puts extends helper in either case.
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Yes. We have enabled useBuiltIns flag for babel-plugin-transform-react-jsx as well.
https://github.com/facebookincubator/create-react-app/blob/master/packages/babel-preset-react-app/index.js#L27
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I think this is too fragile. We'll mess it up again. Let's just import polyfills first. |
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I feel the same. I'll close this and create another with polyfills first. |
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Fixes #3034
Babel React JSX transform plugin is also use
Object.assignfor spread attributes. SoReact.createElementhas been used here to avoidObject.assign