# All files index.js

75% Statements 27/36
25% Branches 3/12
64.29% Functions 9/14
76.47% Lines 26/34

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     import React from 'react';
    import PropTypes from 'prop-types';
    import Immutable from 'immutable';
    import Promise from 'bluebird';
    import superagent from 'superagent';

    import TagContainer from './TagContainer';

    export default class TagInput extends React.Component {
      constructor(props) {
        super(props);
        this.state = {
          waiting: false,
          data: props.options
        };

        this.handleSelectItem = this.handleSelectItem.bind(this);
        this.handleDeselectItem = this.handleDeselectItem.bind(this);
        this.handleGetOptions = this.handleGetOptions.bind(this);
      }

      componentWillReceiveProps(nextProps) {
        this.setState({
          data: nextProps.options
        });
      }

      /**
       * Selects an item
       * pass it to parent (If any)
       *
       * @param {any} item
       * @memberof TagInput
       */
      handleSelectItem(item) {
        let { value } = this.props;

        value = value.push(item);

        // Sending the tags to parent
        this.props.onChange(value);
      }

      /**
       * Deselects an item
       * pass it to parent (If any)
       *
       * @param {any} item
       * @memberof TagInput
       */
      handleDeselectItem(item) {
        let { value } = this.props;

        const selectItemBy = item.key ? 'key' : 'id';
        const index = this.props.value.findIndex(selectedItem => item[selectItemBy] === selectedItem[selectItemBy]);

        if (index > -1) {
          value = value.splice(index, 1);
        }

        // Sending the tags to parent
        this.props.onChange(value);
      }

      fetchServer(query) {
        const { fetchUrl, httpHeaders } = this.props;

        this.setState({
          waiting: true
        });

        return new Promise((resolve, reject) => {
          let req = superagent.get(fetchUrl);
          // Setting the http headers
          Object.keys(httpHeaders).forEach((key) => {
            req.set(key, httpHeaders[key]);
          });

          req
            .accept('application/json')
            .query({ query: query })
            .end((err, res) => {
              if (err) {
                reject(err);
              }
              resolve(res.body);
            });
        });
      }

      handleGetOptions(query = '', active = false) {
        if (active || this.state.data.some(field => field.label === query)) {
          return;
        }

        this.fetchServer(query)
          .then((res) => {
            this.setState({
              data: this.props.extractor(res),
              waiting: false
            });
          });
      }

      render() {
        const {
          data,
          waiting
        } = this.state;

        return (
          <TagContainer
            {...this.props}
            options={data}
            loading={waiting}
            selection={this.props.value}
            onSelect={this.handleSelectItem}
            onDeselect={this.handleDeselectItem}
            onHandleFetch={this.handleGetOptions}
          />
        );
      }
    }

    // default props
    TagInput.defaultProps = {
      loading:              false,
      multiple:             true,
      filterable:           true,
      darkTheme:            false,

      className:            '',
      orderOptionsBy:       'title',
      label:                'Select Tags...',
      togglePosition:       'left',
      noOptionsMessage:     '',
      toggleSwitchStyle:    'search',
      fetchUrl:             '',

      optionGroupTitles:    [],
      options:              [],

      httpHeaders:          {},
      value:                new Immutable.List(),

      onHandleFetch:        void 0,
      extractor:            data => data
    };

    // prop types checking
    TagInput.propTypes = {
      loading:            PropTypes.bool,
      multiple:           PropTypes.bool,
      filterable:          PropTypes.bool,
      darkTheme:          PropTypes.bool,

      className:          PropTypes.string,
      orderOptionsBy:     PropTypes.string,
      label:              PropTypes.string,
      togglePosition:     PropTypes.string,
      noOptionsMessage:   PropTypes.string,
      toggleSwitchStyle:  PropTypes.string,
      fetchUrl:           PropTypes.string,

      options:            PropTypes.array,
      optionGroupTitles:  PropTypes.array,

      httpHeaders:        PropTypes.object,
      value:              PropTypes.instanceOf(Immutable.List).isRequired,

      onChange:           PropTypes.func.isRequired,
      onHandleFetch:      PropTypes.func,
      extractor:          PropTypes.func
    };