贡献代码相关

themes/example/components/SearchInput.js

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+import { useRouter } from 'next/router'
+import { useGlobal } from '@/lib/global'
+import { useImperativeHandle, useRef, useState } from 'react'
+
+let lock = false
+
+const SearchInput = ({ currentTag, currentSearch, cRef }) => {
+  const { locale } = useGlobal()
+  const router = useRouter()
+  const searchInputRef = useRef(null)
+  useImperativeHandle(cRef, () => {
+    return {
+      focus: () => {
+        searchInputRef?.current?.focus()
+      }
+    }
+  })
+  const handleSearch = () => {
+    const key = searchInputRef.current.value
+    if (key && key !== '') {
+      router.push({ pathname: '/search/' + key }).then(r => {
+        console.log('搜索', key)
+      })
+    } else {
+      router.push({ pathname: '/' }).then(r => {
+      })
+    }
+  }
+  const handleKeyUp = (e) => {
+    if (e.keyCode === 13) { // 回车
+      handleSearch(searchInputRef.current.value)
+    } else if (e.keyCode === 27) { // ESC
+      cleanSearch()
+    }
+  }
+  const cleanSearch = () => {
+    searchInputRef.current.value = ''
+    setShowClean(false)
+  }
+  function lockSearchInput () {
+    lock = true
+  }
+
+  function unLockSearchInput () {
+    lock = false
+  }
+  const [showClean, setShowClean] = useState(false)
+  const updateSearchKey = (val) => {
+    if (lock) {
+      return
+    }
+    searchInputRef.current.value = val
+    if (val) {
+      setShowClean(true)
+    } else {
+      setShowClean(false)
+    }
+  }
+
+  return <section className='flex w-full bg-gray-100'>
+  <input
+    ref={searchInputRef}
+    type='text'
+    placeholder={currentTag ? `${locale.SEARCH.TAGS} #${currentTag}` : `${locale.SEARCH.ARTICLES}`}
+    className={'w-full text-sm pl-4 transition focus:shadow-lg font-light leading-10 text-black bg-gray-100 dark:bg-gray-900 dark:text-white'}
+    onKeyUp={handleKeyUp}
+    onCompositionStart={lockSearchInput}
+    onCompositionUpdate={lockSearchInput}
+    onCompositionEnd={unLockSearchInput}
+    onChange={e => updateSearchKey(e.target.value)}
+    defaultValue={currentSearch || ''}
+  />
+
+  <div className='-ml-8 cursor-pointer float-right items-center justify-center py-2'
+    onClick={handleSearch}>
+      <i className={'hover:text-black transform duration-200  text-gray-500 cursor-pointer fas fa-search'} />
+  </div>
+
+  {(showClean &&
+    <div className='-ml-12 cursor-pointer dark:bg-gray-600 dark:hover:bg-gray-800 float-right items-center justify-center py-2'>
+      <i className='hover:text-black transform duration-200 text-gray-400 cursor-pointer fas fa-times' onClick={cleanSearch} />
+    </div>
+    )}
+</section>
+}
+
+export default SearchInput