All files / src/fetch index.js

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/* Copyright © 2016 Kuali, Inc. - All Rights Reserved
 * You may use and modify this code under the terms of the Kuali, Inc.
 * Pre-Release License Agreement. You may not distribute it.
 *
 * You should have received a copy of the Kuali, Inc. Pre-Release License
 * Agreement with this file. If not, please write to license@kuali.co.
 */
 
import PropTypes from 'prop-types'
import { Component } from 'react'
 
export default class Fetch extends Component {
 
  static displayName = 'Fetch';
 
  static propTypes = {
    children: PropTypes.func.isRequired,
    loadFn: PropTypes.func.isRequired,
  };
 
  constructor(props) {
    super(props)
    this.state = { loading: true, error: null, value: null }
    this.load(this.props)
  }
 
  componentWillReceiveProps(nextProps) {
    this.setState({ loading: true, error: null, value: null })
    this.load(nextProps)
  }
 
  load(props) {
    props.loadFn()
      .then((value) => this.setState({ loading: false, value }))
      .catch((error) => this.setState({ loading: false, error }))
  }
 
  render() {
    const { loading, error, value } = this.state
    return this.props.children(loading, error, value)
  }
 
}