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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 | import {Absolute, Fixed, Flex} from '@primer/components'
import {XIcon} from '@primer/octicons-react'
import Downshift from 'downshift'
import {AnimatePresence, motion} from 'framer-motion'
import {navigate} from 'gatsby'
import React from 'react'
import {FocusOn} from 'react-focus-on'
import useSearch from '../use-search'
import DarkButton from './dark-button'
import DarkTextInput from './dark-text-input'
import SearchResults from './search-results'
function stateReducer(state, changes) {
switch (changes.type) {
case Downshift.stateChangeTypes.changeInput:
if (!changes.inputValue) {
// Close the menu if the input is empty.
return {...changes, isOpen: false}
}
return changes
case Downshift.stateChangeTypes.blurInput:
// Don't let a blur event change the state of `inputValue` or `isOpen`.
return {...changes, inputValue: state.inputValue, isOpen: state.isOpen}
default:
return changes
}
}
function MobileSearch({isOpen, onDismiss}) {
const [query, setQuery] = React.useState('')
const results = useSearch(query)
function handleDismiss() {
setQuery('')
onDismiss()
}
return (
<AnimatePresence>
{isOpen ? (
<FocusOn returnFocus={true} onEscapeKey={() => handleDismiss()}>
<Fixed top={0} left={0} right={0} bottom={0} zIndex={1}>
<Absolute
as={motion.div}
initial={{opacity: 0}}
animate={{opacity: 1}}
exit={{opacity: 0}}
top={0}
left={0}
right={0}
bottom={0}
bg="rgba(0,0,0,0.5)"
zIndex={-1}
onClick={handleDismiss}
/>
<Downshift
inputValue={query}
onInputValueChange={(inputValue) => setQuery(inputValue)}
selectedItem={null}
onSelect={(item) => {
if (item) {
navigate(item.path)
handleDismiss()
}
}}
itemToString={(item) => (item ? item.title : '')}
stateReducer={stateReducer}
>
{({
getInputProps,
getItemProps,
getMenuProps,
getRootProps,
isOpen: isMenuOpen,
highlightedIndex,
}) => (
<Flex
{...getRootProps({
flexDirection: 'column',
height: isMenuOpen ? '100%' : 'auto',
})}
>
<Flex bg="gray.9" color="white" p={3} flex="0 0 auto">
<motion.div
initial={{scaleX: 0.1}}
animate={{scaleX: 1}}
exit={{scaleX: 0.1, transition: {duration: 0.1}}}
transition={{type: 'tween', duration: 0.2}}
style={{width: '100%', originX: '100%'}}
>
<DarkTextInput
{...getInputProps({
placeholder: `Search`,
width: '100%',
})}
/>
</motion.div>
<DarkButton
ml={3}
aria-label="Cancel"
onClick={handleDismiss}
>
<XIcon />
</DarkButton>
</Flex>
{isMenuOpen ? (
<Flex
{...getMenuProps({
bg: 'white',
py: 1,
flexDirection: 'column',
flex: '1 1 auto',
style: {
overflow: 'auto',
WebkitOverflowScrolling: 'touch',
},
})}
>
<SearchResults
results={results}
getItemProps={getItemProps}
highlightedIndex={highlightedIndex}
/>
</Flex>
) : null}
</Flex>
)}
</Downshift>
</Fixed>
</FocusOn>
) : null}
</AnimatePresence>
)
}
export default MobileSearch
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