client: add client-side search of posts list

client/components/post-list/index.tsx

@@ -1,33 +1,94 @@
-import { Text } from "@geist-ui/core"
+import { Code, Dot, Input, Note, Text } from "@geist-ui/core"
 import NextLink from "next/link"
 import Link from '../Link'
 
 import styles from './post-list.module.css'
 import ListItemSkeleton from "./list-item-skeleton"
 import ListItem from "./list-item"
+import { Post } from "@lib/types"
+import { ChangeEvent, useEffect, useMemo, useState } from "react"
+import debounce from "lodash.debounce"
 
 type Props = {
-    posts: any
+    posts: Post[]
     error: any
 }
 
 const PostList = ({ posts, error }: Props) => {
+    const [search, setSearchValue] = useState('')
+    // const [searching, setSearching] = useState(false)
+    const [searchResults, setSearchResults] = useState<Post[]>(posts)
+
+    // update posts on search
+    useEffect(() => {
+        if (search) {
+            // support filters like "title is:private has:content" in the text
+            // extract the filters
+            const filters = search.split(' ').filter(s => s.includes(':'))
+            const filtersMap = new Map<string, string>()
+            filters.forEach(f => {
+                const [key, value] = f.split(':')
+                filtersMap.set(key, value)
+            })
+
+            const results = posts.filter(post => {
+                if (filtersMap.has('is') && filtersMap.get('is') !== post.visibility) {
+                    return false
+                }
+                for (const file of post.files) {
+                    if (file.content.toLowerCase().includes(search.toLowerCase())) {
+                        return true
+                    }
+                }
+                return post.title.toLowerCase().includes(search.toLowerCase())
+            })
+            setSearchResults(results)
+
+        } else {
+            setSearchResults(posts)
+        }
+    }, [search, posts])
+
+    const handleSearchChange = (e: ChangeEvent<HTMLInputElement>) => {
+        setSearchValue(e.target.value)
+    }
+
+    const debouncedSearchHandler = useMemo(
+        () => debounce(handleSearchChange, 300)
+        , []);
+
+    useEffect(() => {
+        return () => {
+            debouncedSearchHandler.cancel();
+        }
+    }, [debouncedSearchHandler]);
+
     return (
         <div className={styles.container}>
+            <div className={styles.searchContainer}>
+                <Input scale={3 / 2}
+                    clearable
+                    placeholder="is:private"
+                    onChange={debouncedSearchHandler} />
+                <Text type="secondary">Available filters: <Code>is:visibility</Code></Text>
+            </div>
             {error && <Text type='error'>Failed to load.</Text>}
-            {!posts && <ul>
-                <li>
-                    <ListItemSkeleton />
-                </li>
-                <li>
-                    <ListItemSkeleton />
-                </li>
-            </ul>}
-            {posts?.length === 0 && <Text>You have no posts. Create one <NextLink passHref={true} href="/new"><Link color>here</Link></NextLink>.</Text>}
             {
-                posts?.length > 0 && <div>
+                !posts && <ul>
+                    <li>
+                        <ListItemSkeleton />
+                    </li>
+                    <li>
+                        <ListItemSkeleton />
+                    </li>
+                </ul>
+            }
+            {posts.length === 0 && !error && <Text type='secondary'>No posts found.Create one <NextLink passHref={true} href="/new"><Link color>here</Link></NextLink>.</Text>}
+            {searchResults.length === 0 && <Text>No posts returned. Create one <NextLink passHref={true} href="/new"><Link color>here</Link></NextLink>.</Text>}
+            {
+                searchResults?.length > 0 && <div>
                     <ul>
-                        {posts.map((post: any) => {
+                        {searchResults.map((post) => {
                             return <ListItem post={post} key={post.id} />
                         })}
                     </ul>

client/components/post-list/list-item.tsx

@@ -8,13 +8,14 @@ import getPostPath from "@lib/get-post-path"
 import { Input, Link, Text, Card, Spacer, Grid, Tooltip, Divider } from "@geist-ui/core"
 
 const FilenameInput = ({ title }: { title: string }) => <Input
-    value={title}
+    value={title || 'No title'}
     marginTop="var(--gap)"
     size={1.2}
     font={1.2}
     label="Filename"
     readOnly
     width={"100%"}
+    style={{ color: !!title ? 'var(--fg)' : 'var(--gray)' }}
 />
 
 const ListItem = ({ post }: { post: any }) => {

client/components/post-list/post-list.module.css

@@ -24,3 +24,12 @@
 	z-index: 1;
 	background: inherit;
 }
+
+.searchContainer {
+	display: flex;
+	align-items: center;
+	flex-direction: column-reverse;
+	justify-content: center;
+	margin-top: var(--gap);
+	margin-bottom: var(--gap-double);
+}

client/styles/globals.css

@@ -8,15 +8,17 @@
 	--gap-half: 0.5rem;
 	--gap: 1rem;
 	--gap-double: 2rem;
-	--gap-negative: calc(-1 * var(--gap));
-	--gap-half-negative: calc(-1 * var(--gap-half));
-	--gap-quarter-negative: calc(-1 * var(--gap-quarter));
+
 	--small-gap: 4rem;
 	--big-gap: 4rem;
 	--main-content: 55rem;
 	--radius: 8px;
 	--inline-radius: 5px;
 
+	--gap-negative: calc(-1 * var(--gap));
+	--gap-half-negative: calc(-1 * var(--gap-half));
+	--gap-quarter-negative: calc(-1 * var(--gap-quarter));
+
 	/* Typography */
 	--font-sans: "Inter", -apple-system, BlinkMacSystemFont, Segoe UI, Roboto,
 		Oxygen, Ubuntu, Cantarell, Fira Sans, Droid Sans, Helvetica Neue, sans-serif;