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import React from 'react';
import Downshift from 'downshift';
import Router from 'next/router';
import { ApolloConsumer } from 'react-apollo';
import styled, { keyframes } from 'styled-components';
import debounce from 'lodash.debounce';
import { SEARCH_ITEMS_QUERY } from '../queries/queries.graphql';
function routeToItem(item) {
Router.push({
pathname: '/item',
query: {
id: item.id,
},
});
}
const DropDown = styled.div`
position: absolute;
width: 100%;
z-index: 2;
border: 1px solid ${props => props.theme.lightgrey};
`;
const DropDownItem = styled.div`
border-bottom: 1px solid ${props => props.theme.lightgrey};
background: ${props => (props.highlighted ? '#f7f7f7' : 'white')};
padding: 1rem;
transition: all 0.2s;
${props => (props.highlighted ? 'padding-left: 2rem;' : null)};
display: flex;
align-items: center;
border-left: 10px solid ${props => (props.highlighted ? props.theme.lightgrey : 'white')};
img {
margin-right: 10px;
}
`;
const glow = keyframes`
from {
box-shadow: 0 0 0px yellow;
}
to {
box-shadow: 0 0 10px 1px yellow;
}
`;
const SearchStyles = styled.div`
position: relative;
input {
width: 100%;
padding: 10px;
border: 0;
font-size: 2rem;
&.loading {
animation: ${glow} 0.5s ease-in-out infinite alternate;
}
}
`;
class AutoComplete extends React.Component {
state = {
items: [],
loading: false,
};
onChange = async (e, client) => {
if (!e.target.value) {
return this.setState({ items: [] });
}
this.setState({ loading: true });
this.search(client, e.target.value);
};
search = debounce(async (client, searchTerm) => {
const res = await client.query({
query: SEARCH_ITEMS_QUERY,
variables: { searchTerm },
});
this.setState({ items: res.data.items, loading: false });
}, 350);
render() {
return (
<SearchStyles>
<Downshift onChange={routeToItem} itemToString={i => (i === null ? '' : i.title)}>
{({ getInputProps, getItemProps, isOpen, inputValue, highlightedIndex }) => (
<div>
{/* This is the searchInput */}
<ApolloConsumer>
{client => (
<input
{...getInputProps({
placeholder: 'Search For Item',
id: 'search',
className: this.state.loading ? 'loading' : '',
onChange: e => {
e.persist();
this.onChange(e, client);
},
})}
/>
)}
</ApolloConsumer>
{/* This is the Dropdown */}
{isOpen && (
<DropDown>
{this.state.items.map((item, index) => (
<DropDownItem
{...getItemProps({ item })}
key={item.id}
highlighted={highlightedIndex === index}
>
<img width="50" src={item.image} alt={item.title} />
{item.title}
</DropDownItem>
))}
{/* Found Nothing State */}
{!this.state.items.length &&
!this.state.loading && (
<DropDownItem>Nothing Found for {inputValue}...</DropDownItem>
)}
</DropDown>
)}
</div>
)}
</Downshift>
</SearchStyles>
);
}
}
export default AutoComplete;
|
