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Syntax error in react app. Only on first load


Syntax error in react app. Only on first load

By : Gil Arauz
Date : November 20 2020, 07:00 PM
wish help you to fix your issue I think the problem is cache + some non-existing script file.
1) If a local script file is missing it will probably handle it as a regular React application request and will return something starting with , why you get the SyntaxError as it tries to parse the response as JS.
code :


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react native : React packager ready. ERROR Watcher took too long to load

react native : React packager ready. ERROR Watcher took too long to load


By : Shyam
Date : March 29 2020, 07:55 AM
may help you . That's actually a Windows specific issue. It works fine on Linux for me. Increase the MAX_WAIT_TIME in the FileWatcher. It's actually timing out.
Have a check at this
code :
const MAX_WAIT_TIME = 120000;
Syntax error when I use ternary conditional expression in JSX-syntax (React)

Syntax error when I use ternary conditional expression in JSX-syntax (React)


By : T. Anderson
Date : March 29 2020, 07:55 AM
this one helps. The syntax error is an error with your JSX. All JSX tags have to be manually closed so change your navbar tags.
code :
<navbar> // this will throw a syntax error in JSX
<navbar /> 
<navbar></navbar>
<navbar className={ this.props.mountedPage === 'frontpage' ? 'navbar-nomargin' : '' } />
import classNames from 'classnames'

...
<navbar className={ classNames('navbar', {
    'navbar-nomargin': mountedPage === 'frontPage'
}) } />
{
    desiredClassName: boolean,
    anotherPossibleClass: boolean,
}
REact.js, react-toolbox syntax error?

REact.js, react-toolbox syntax error?


By : Balaraman
Date : March 29 2020, 07:55 AM
it helps some times Your code is crashing on the class property syntax which is currently a stage 1 Ecmascript proposal. In order for babel to transpile this correctly you need the stage-1 preset. I would say it's pretty common to have the stage-0 preset which includes everything above it as well.
You can even see from your repo's .babelrc file already wanting to include stage-0 preset:
code :
{
  "plugins": ["es2015", "stage-0"]
}
query: {
  presets:['es2015', 'react']
}
npm install --save-dev babel-preset-stage-0
query: {
  presets: ['es2015', 'react', 'stage-0']
}
Syntax error cannot import React and React-Dom

Syntax error cannot import React and React-Dom


By : user2377241
Date : March 29 2020, 07:55 AM
I think the issue was by ths following , I'm getting a syntax error when trying to import React and React-Dom, I'm totally new to react and would appreciate if you could help me. SyntaxError: C:/Users/Genti/Anaconda3/envs/MMS/geodjango/MMS/static/js/index.js: Unexpected token (1:18) , use simple quotes
code :
import React from 'react';
Could not run react-native app android. Getting syntax error in the metro bundler which are related to react-native-whee

Could not run react-native app android. Getting syntax error in the metro bundler which are related to react-native-whee


By : user3495634
Date : March 29 2020, 07:55 AM
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