feat(fs.dev): Initial search implementation

packages/freesewing.dev/components/search.js

@@ -0,0 +1,206 @@
+import { useState, useRef, useEffect } from 'react'
+import Link from 'next/link'
+import { useRouter } from 'next/router'
+
+import algoliasearch from 'algoliasearch/lite';
+import { useHotkeys } from 'react-hotkeys-hook'
+import { InstantSearch, connectHits, connectHighlight, connectSearchBox } from 'react-instantsearch-dom'
+import config from 'site/freesewing.config.js'
+
+const searchClient = algoliasearch(config.algolia.app, config.algolia.key)
+
+const Hits = props => {
+
+  // When we hit enter in the text field, we want to navigate to the result
+  // which means we must make the result links available in the input somehow
+  // so let's stuff them in a data attribute
+  const links = props.hits.map(hit => hit.page)
+  props.input.current.setAttribute('data-links', JSON.stringify(links))
+
+  return props.hits.map((hit, index) => (
+    <Hit
+      {...props}
+      hit={hit}
+      index={index}
+      len={props.hits.length}
+      activeLink={links[props.active]}
+    />
+  ))
+}
+
+const CustomHits = connectHits(Hits);
+
+const Highlight = ({ highlight, attribute, hit }) => {
+  const parsedHit = highlight({
+    highlightProperty: '_highlightResult',
+    attribute,
+    hit,
+  });
+
+  return parsedHit.map((part, index) => part.isHighlighted
+    ? <mark key={index}>{part.value}</mark>
+    : <span key={index}>{part.value}</span>
+  )
+}
+
+const CustomHighlight = connectHighlight(Highlight);
+
+const Hit = props => (
+  <div
+    className={`
+      border-base-300
+      border px-3 py-1 rounded mt-1
+      lg:px-6 lg:py-3 lg:border-2 lg:mt-4 lg:rounded-lg
+      hover:bg-base-100 hover:text-base-content
+      ${props.index === props.active
+        ? 'bg-base-300 text-base-content bg-opacity-30'
+        : ''
+        }
+    `}
+  >
+    <Link href={props.hit.page}>
+      <a href={props.hit.page}>
+        <h4 className="text-lg lg:text-2xl">
+          {props.hit?._highlightResult?.title
+            ? <CustomHighlight hit={props.hit} attribute='title' />
+            : props.hit.title
+          }
+        </h4>
+        <p className="text-sm lg:text-lg">
+          /
+          <b className="font-bold px-1 lg:text-lg">
+            {props.hit.page.split('/')[1]}
+          </b>
+          /
+          {props.hit.page.split('/').slice(2).join('/')}
+        </p>
+      </a>
+    </Link>
+  </div>
+)
+
+// We use this for trapping ctrl-c
+let prev
+const handleInputKeydown = (evt, setSearch, setActive, active, router) => {
+  if (evt.key === 'Escape') setSearch(false)
+  if (evt.key === 'ArrowDown') setActive(act => act + 1)
+  if (evt.key === 'ArrowUp') setActive(act => act - 1)
+  if (evt.key === 'c' && prev === 'Control') evt.target.value = ''
+  if (evt.key === 'Enter') {
+    // Trigger navigation
+    if (evt?.target?.dataset?.links) {
+      router.push(JSON.parse(evt.target.dataset.links)[active])
+      setSearch(false)
+    }
+  }
+}
+
+const SearchBox = props => {
+
+  const input = useRef(null)
+  const router = useRouter()
+  useHotkeys('ctrl+x', () => {
+    input.current.value = ''
+  })
+  if (input.current && props.active < 0) input.current.focus()
+
+  const { currentRefinement, isSearchStalled, refine, setSearch, setActive } = props
+
+  return (
+    <div>
+      <form noValidate action="" role="search" onSubmit={(evt) => evt.preventDefault()}>
+        <div className="form-control">
+          <label className="label hidden lg:block">
+            <span className="label-text">
+              <b> Escape</b> to exit
+              <span className="px-4">|</span>
+              <b> Up</b> or <b>Down</b> to select
+              <span className="px-4">|</span>
+              <b> Enter</b> to navigate
+              <span className="px-4">|</span>
+              <b> Ctrl+c</b> to clear
+            </span>
+          </label>
+          <div className="relative">
+            <input
+              ref={input}
+              type="search"
+              autoFocus={true}
+              value={currentRefinement}
+              onChange={event => refine(event.currentTarget.value)}
+              onKeyDown={(evt) => handleInputKeydown(evt, setSearch, setActive, props.active, router)}
+              className="input lg:input-lg input-bordered input-primary w-full pr-16"
+              placeholder='Type to search'
+            />
+            <button
+              className="absolute right-0 top-0 rounded-l-none btn btn-primary lg:btn-lg"
+              onClick={() => props.setSearch(false)}
+            >X</button>
+          </div>
+        </div>
+        <div
+          className="overscroll-auto overflow-y-auto"
+          style={{maxHeight: 'calc(100vh - 10rem)'}}
+        >
+        {
+          input.current
+          && input.current.value.length > 0
+          && <CustomHits hitComponent={Hit} {...props} input={input}/>
+        }
+        </div>
+      </form>
+      <div className={`
+        bg-neutral text-neutral-content
+        z-20 w-full mx-auto
+        lg:bg-base-100 lg:border-base-200
+        fixed bottom-0 left-0 border-t-2
+        lg:hidden
+      `}>
+        <div className='px-4 py-0 flex flex-row w-full lg:py-2'>
+          <button
+            className={`btn btn-ghost btn-block`}
+            onClick={() => props.setSearch(false)}
+          >
+            <span className='px-2 pt-2 pb-2'>Close Search</span>
+          </button>
+        </div>
+      </div>
+    </div>
+  )
+}
+
+const CustomSearchBox = connectSearchBox(SearchBox);
+
+const Search = props => {
+
+  const [active, setActive] = useState(0)
+  useHotkeys('esc', () => props.setSearch(false))
+  useHotkeys('up', () => {
+    if (active) setActive(act => act - 1)
+  })
+  useHotkeys('down', () => {
+    setActive(act => act + 1)
+  })
+  useHotkeys('down', () => {
+    console.log('enter', active)
+  })
+
+  const stateProps = {
+    setSearch: props.setSearch,
+    setMenu: props.setMenu,
+    active, setActive
+  }
+
+  return (
+    <div className="max-w-prose m-auto">
+      <h1>Search</h1>
+      <InstantSearch indexName={config.algolia.index} searchClient={searchClient}>
+        <div>
+          <CustomSearchBox {...stateProps}/>
+        </div>
+      </InstantSearch>
+    </div>
+  )
+}
+
+export default Search