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import React, { PureComponent, ReactNode } from 'react';
import { Autocomplete, AutocompleteItem } from '../../ui/autocomplete';
import { GoogleAutocompleteOptionTypes } from './googleAutocompleteTypes';
import './GoogleAutocomplete.scss';
import GoogleAutocompleteService from './GoogleAutocompleteService';
interface GoogleAutocompleteProps {
initialValue?: string;
componentRestrictions?: google.maps.places.ComponentRestrictions;
fields?: string[];
apiKey: string;
nextElement?: HTMLElement;
inputProps?: any;
isAutocompleteEnabled?: boolean;
types?: GoogleAutocompleteOptionTypes[];
onSelect?(place: google.maps.places.PlaceResult, item: AutocompleteItem): void;
onToggleOpen?(state: { inputValue: string; isOpen: boolean }): void;
onChange?(value: string, isOpen: boolean): void;
}
interface GoogleAutocompleteState {
items: AutocompleteItem[];
autoComplete: string;
}
class GoogleAutocomplete extends PureComponent<GoogleAutocompleteProps, GoogleAutocompleteState> {
googleAutocompleteService: GoogleAutocompleteService;
constructor(props: GoogleAutocompleteProps) {
super(props);
this.googleAutocompleteService = new GoogleAutocompleteService(props.apiKey);
this.state = {
items: [],
autoComplete: 'off',
};
}
render(): ReactNode {
const {
initialValue,
onToggleOpen = noop,
inputProps = {},
} = this.props;
const {
autoComplete,
items,
} = this.state;
return (
<Autocomplete
initialHighlightedIndex={ 0 }
initialValue={ initialValue }
inputProps={ {
...inputProps,
autoComplete,
} }
items={ items }
listTestId="address-autocomplete-suggestions"
onChange={ this.onChange }
onSelect={ this.onSelect }
onToggleOpen={ onToggleOpen }
>
<div className="co-googleAutocomplete-footer" />
</Autocomplete>
);
}
private onSelect: (item: AutocompleteItem) => void = item => {
const {
fields,
onSelect = noop,
nextElement,
} = this.props;
this.googleAutocompleteService.getPlacesServices().then(service => {
service.getDetails({
placeId: item.id,
fields: fields || ['address_components', 'name'],
}, result => {
if (nextElement) {
nextElement.focus();
}
onSelect(result, item);
});
});
};
private onChange: (input: string) => void = input => {
const {
isAutocompleteEnabled,
onChange = noop,
} = this.props;
onChange(input, false);
if (!isAutocompleteEnabled) {
return this.resetAutocomplete();
}
this.setAutocomplete(input);
this.setItems(input);
};
private setItems(input: string): void {
if (!input) {
this.setState({ items: [] });
return;
}
const {
componentRestrictions,
types,
} = this.props;
this.googleAutocompleteService.getAutocompleteService().then(service => {
service.getPlacePredictions({
input,
types: types || ['geocode'],
componentRestrictions,
}, results =>
this.setState({ items: this.toAutocompleteItems(results) })
);
});
}
private resetAutocomplete(): void {
this.setState({
items: [],
autoComplete: 'off',
});
}
private setAutocomplete(input: string): void {
this.setState({
...this.state,
autoComplete: input && input.length ? 'nope' : 'off',
});
}
private toAutocompleteItems(results?: google.maps.places.AutocompletePrediction[]): AutocompleteItem[] {
return (results || []).map(result => ({
label: result.description,
value: result.structured_formatting.main_text,
highlightedSlices: result.matched_substrings,
id: result.place_id,
}));
}
}
export default GoogleAutocomplete;
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