diff --git a/frontend/src/InteractiveImport/Movie/SelectMovieModalContent.js b/frontend/src/InteractiveImport/Movie/SelectMovieModalContent.js index 8a69faeb3..6d98efd4c 100644 --- a/frontend/src/InteractiveImport/Movie/SelectMovieModalContent.js +++ b/frontend/src/InteractiveImport/Movie/SelectMovieModalContent.js @@ -17,8 +17,6 @@ import translate from 'Utilities/String/translate'; import SelectMovieRow from './SelectMovieRow'; import styles from './SelectMovieModalContent.css'; -const workerInstance = new FuseWorker(); - class SelectMovieModalContent extends Component { // @@ -27,16 +25,31 @@ class SelectMovieModalContent extends Component { constructor(props, context) { super(props, context); + this._worker = null; + this.state = { scroller: null, filter: '', - showLoading: false, + loading: false, suggestions: props.items }; } - componentDidMount() { - workerInstance.addEventListener('message', this.onSuggestionsReceived, false); + componentWillUnmount() { + if (this._worker) { + this._worker.removeEventListener('message', this.onSuggestionsReceived, false); + this._worker.terminate(); + this._worker = null; + } + } + + getWorker() { + if (!this._worker) { + this._worker = new FuseWorker(); + this._worker.addEventListener('message', this.onSuggestionsReceived, false); + } + + return this._worker; } // @@ -71,13 +84,13 @@ class SelectMovieModalContent extends Component { onFilterChange = ({ value }) => { if (value) { this.setState({ - showLoading: true, + loading: true, filter: value.toLowerCase() }); this.requestSuggestions(value); } else { this.setState({ - showLoading: false, + loading: false, filter: '', suggestions: this.props.items }); @@ -86,26 +99,58 @@ class SelectMovieModalContent extends Component { } requestSuggestions = _.debounce((value) => { - const payload = { - value, - movies: this.props.items - }; + if (!this.state.loading) { + return; + } - workerInstance.postMessage(payload); + const requestLoading = this.state.requestLoading; + + this.setState({ + requestValue: value, + requestLoading: true + }); + + if (!requestLoading) { + const payload = { + value, + movies: this.props.items + }; + + this.getWorker().postMessage(payload); + } }, 250); onSuggestionsReceived = (message) => { - this.setState((state, props) => { - // this guards against setting a stale set of suggestions returned - // after the filter has been cleared - if (state.filter !== '') { - return { - showLoading: false, - suggestions: message.data.map((suggestion) => suggestion.item) - }; - } - return {}; - }); + const { + value, + suggestions + } = message.data; + + if (!this.state.loading) { + this.setState({ + requestValue: null, + requestLoading: false + }); + } else if (value === this.state.requestValue) { + this.setState({ + suggestions: suggestions.map((suggestion) => suggestion.item), + requestValue: null, + requestLoading: false, + loading: false + }); + } else { + this.setState({ + suggestions: suggestions.map((suggestion) => suggestion.item), + requestLoading: true + }); + + const payload = { + value: this.state.requestValue, + movies: this.props.items + }; + + this.getWorker().postMessage(payload); + } } // @@ -120,7 +165,7 @@ class SelectMovieModalContent extends Component { const { scroller, filter, - showLoading, + loading, suggestions } = this.state; @@ -152,7 +197,7 @@ class SelectMovieModalContent extends Component { >