Material-UI: Error - getMuiTheme function is not defined

After recently updating my material-ui to version 0.15.4, I encountered an issue while trying to make it work. The error message states that getMuiTheme is not a function, despite the fact that the relevant JavaScript file is present in the folder location. I have also verified and updated my React to version 15.3.1, ruling out any potential dependency issues. However, I am still unable to pinpoint the underlying problem.

Below is a snippet of the code:

var React = require('react'),
  mui = require('material-ui'),
  getMuiTheme = require('material-ui/styles/getMuiTheme'),
  LoginDialog = require('./login-dialog.jsx'),
  RaisedButton = mui.RaisedButton,
  MuiThemeProvider = require('material-ui/styles/MuiThemeProvider'),
  darkBaseTheme = require('material-ui/styles/baseThemes/darkBaseTheme');



var Index = React.createClass({

  getChildContext: function() {
    return {
      muiTheme: getMuiTheme(darkBaseTheme),
    };
  },

  childContextTypes: {
    muiTheme: React.PropTypes.object
  },
  render: function() {
    return (
      <div className="mui-app-canvas home-page-background">
        <RaisedButton
          className="login-button"
          label="Login"
          onTouchTap={ this._handleLoginDialog }
          linkButton={ false } />
        <LoginDialog
          ref="loginDialog"
          loginUrl={ this.props.loginUrl } />
      </div>
    )
  },

  _handleLoginDialog: function() {
    this.refs.loginDialog.show();
  }
});

module.exports = Index;

Answer №1

The issue lies in the file

material-ui/styles/getMuiTheme.js
which has been transpiled from an ES2015 source, and the particular function you are looking for is exported as a default.

If you wish to access this function using require(), you must make use of the default property:

getMuiTheme = require('material-ui/styles/getMuiTheme').default

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