From deb89701f74807cb54725d59dd52b406650d88bf Mon Sep 17 00:00:00 2001
From: cupcakearmy <hi@nicco.io>
Date: Wed, 1 Sep 2021 15:29:47 +0200
Subject: [PATCH] search

---
 package-lock.json                      | 24 ++++++++
 package.json                           |  2 +
 src/lib/components/SearchResult.svelte | 17 ++++--
 src/routes/api/search.json.ts          | 53 +++++++++++++++++
 src/routes/blog/[slug].svelte          |  4 +-
 src/routes/blog/index.svelte           |  1 +
 src/routes/search.svelte               | 81 +++++++++++++++++++++++++-
 7 files changed, 175 insertions(+), 7 deletions(-)
 create mode 100644 src/routes/api/search.json.ts

diff --git a/package-lock.json b/package-lock.json
index e0a65a6..5a2c60c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -8,12 +8,14 @@
         "axios": "^0.21.1",
         "dayjs": "^1.10.5",
         "highlight.js": "^11.0.0",
+        "lunr": "^2.3.9",
         "svelte-cloudinary": "^0.2.3"
       },
       "devDependencies": {
         "@sveltejs/adapter-static": "next",
         "@sveltejs/kit": "next",
         "@types/highlight.js": "^10.1.0",
+        "@types/lunr": "^2.3.4",
         "svelte": "^3.34.0",
         "svelte-check": "^2.0.0",
         "svelte-preprocess": "^4.0.0",
@@ -98,6 +100,12 @@
         "highlight.js": "*"
       }
     },
+    "node_modules/@types/lunr": {
+      "version": "2.3.4",
+      "resolved": "https://registry.npmjs.org/@types/lunr/-/lunr-2.3.4.tgz",
+      "integrity": "sha512-j4x4XJwZvorEUbA519VdQ5b9AOU9TSvfi8tvxMAfP8XzNLtFex7A8vFQwqOx3WACbV0KMXbACV3cZl4/gynQ7g==",
+      "dev": true
+    },
     "node_modules/@types/node": {
       "version": "16.7.1",
       "resolved": "https://registry.npmjs.org/@types/node/-/node-16.7.1.tgz",
@@ -550,6 +558,11 @@
       "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
       "integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg=="
     },
+    "node_modules/lunr": {
+      "version": "2.3.9",
+      "resolved": "https://registry.npmjs.org/lunr/-/lunr-2.3.9.tgz",
+      "integrity": "sha512-zTU3DaZaF3Rt9rhN3uBMGQD3dD2/vFQqnvZCDv4dl5iOzq2IZQqTxu90r4E5J+nP70J3ilqVCrbho2eWaeW8Ow=="
+    },
     "node_modules/magic-string": {
       "version": "0.25.7",
       "resolved": "https://registry.npmjs.org/magic-string/-/magic-string-0.25.7.tgz",
@@ -1028,6 +1041,12 @@
         "highlight.js": "*"
       }
     },
+    "@types/lunr": {
+      "version": "2.3.4",
+      "resolved": "https://registry.npmjs.org/@types/lunr/-/lunr-2.3.4.tgz",
+      "integrity": "sha512-j4x4XJwZvorEUbA519VdQ5b9AOU9TSvfi8tvxMAfP8XzNLtFex7A8vFQwqOx3WACbV0KMXbACV3cZl4/gynQ7g==",
+      "dev": true
+    },
     "@types/node": {
       "version": "16.7.1",
       "resolved": "https://registry.npmjs.org/@types/node/-/node-16.7.1.tgz",
@@ -1362,6 +1381,11 @@
       "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
       "integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg=="
     },
+    "lunr": {
+      "version": "2.3.9",
+      "resolved": "https://registry.npmjs.org/lunr/-/lunr-2.3.9.tgz",
+      "integrity": "sha512-zTU3DaZaF3Rt9rhN3uBMGQD3dD2/vFQqnvZCDv4dl5iOzq2IZQqTxu90r4E5J+nP70J3ilqVCrbho2eWaeW8Ow=="
+    },
     "magic-string": {
       "version": "0.25.7",
       "resolved": "https://registry.npmjs.org/magic-string/-/magic-string-0.25.7.tgz",
diff --git a/package.json b/package.json
index 7234f91..7a0fa2e 100644
--- a/package.json
+++ b/package.json
@@ -11,6 +11,7 @@
     "@sveltejs/adapter-static": "next",
     "@sveltejs/kit": "next",
     "@types/highlight.js": "^10.1.0",
+    "@types/lunr": "^2.3.4",
     "svelte": "^3.34.0",
     "svelte-check": "^2.0.0",
     "svelte-preprocess": "^4.0.0",
@@ -22,6 +23,7 @@
     "axios": "^0.21.1",
     "dayjs": "^1.10.5",
     "highlight.js": "^11.0.0",
+    "lunr": "^2.3.9",
     "svelte-cloudinary": "^0.2.3"
   }
 }
diff --git a/src/lib/components/SearchResult.svelte b/src/lib/components/SearchResult.svelte
index 900a2ff..b21ddc1 100644
--- a/src/lib/components/SearchResult.svelte
+++ b/src/lib/components/SearchResult.svelte
@@ -1,5 +1,12 @@
-<script>
-  export let result
+<script lang="ts" context="module">
+  export type SearchResultItem = {
+    ref: string
+    score: number
+  }
+</script>
+
+<script lang="ts">
+  export let result: SearchResultItem
 
   const [type, slug] = result.ref.split('/')
   let href = '/'
@@ -7,13 +14,15 @@
   $: {
     switch (type) {
       case 'works':
+        href = `${type}/${slug}`
+        break
       case 'projects':
         href = `${type}`
         break
-      case 'post':
+      case 'posts':
         href = `/blog/${slug}`
         break
-      case 'page':
+      case 'pages':
         href = `/${slug}`
         break
     }
diff --git a/src/routes/api/search.json.ts b/src/routes/api/search.json.ts
new file mode 100644
index 0000000..6b00319
--- /dev/null
+++ b/src/routes/api/search.json.ts
@@ -0,0 +1,53 @@
+import lunr from 'lunr'
+import type { RequestHandler } from '@sveltejs/kit'
+import { BaseAttributes, Call, gql, Page } from '$lib/api'
+
+function removeHTML(s: string) {
+  return s.replace(/<.*?>|\s+|&#\d+;/g, ' ').trim()
+}
+
+function convertForIdx(type: string, items: Page[]) {
+  const keys: (keyof Page)[] = ['title', 'content', 'slug']
+  return items.map((item) => ({
+    url: `${type}/${item.slug}`,
+    data: keys.map((field) => removeHTML(item[field] ?? '')).join(' '),
+  }))
+}
+
+async function getAll() {
+  const all = await Call<Record<'posts' | 'projects' | 'works', { nodes: Page[] }>>(gql`
+    query {
+      posts(first: 1000) {
+        nodes {
+          ${BaseAttributes}
+        }
+      }
+      projects(first: 1000) {
+        nodes {
+          ${BaseAttributes}
+        }
+      }
+      works(first: 1000) {
+        nodes {
+          ${BaseAttributes}
+        }
+      }
+    }
+  `)
+  return all
+}
+
+export const get: RequestHandler = async () => {
+  const all = await getAll()
+  const converted = Object.entries(all)
+    .map(([type, data]) => convertForIdx(type, data.nodes))
+    .flat()
+
+  const idx = lunr(function () {
+    this.ref('url')
+    this.field('data')
+    converted.forEach((doc) => this.add(doc))
+  })
+
+  return { body: idx }
+}
diff --git a/src/routes/blog/[slug].svelte b/src/routes/blog/[slug].svelte
index 138e678..9030e62 100644
--- a/src/routes/blog/[slug].svelte
+++ b/src/routes/blog/[slug].svelte
@@ -20,10 +20,10 @@
 </script>
 
 <svelte:head>
-  <title>Works</title>
+  <title>Blog - {data.title}</title>
 </svelte:head>
 
-<SimplePage title={data.title}>
+<SimplePage title={data.title} readable>
   <PostAttributes post={data} full />
   {#if data.content}
     <WpAdapter content={data.content} />
diff --git a/src/routes/blog/index.svelte b/src/routes/blog/index.svelte
index 4af7abc..0422a8c 100644
--- a/src/routes/blog/index.svelte
+++ b/src/routes/blog/index.svelte
@@ -1,6 +1,7 @@
 <script lang="ts" context="module">
   import type { Load } from '@sveltejs/kit'
 
+  export const prerender = true
   export const load: Load = async ({ fetch }) => {
     return {
       props: {
diff --git a/src/routes/search.svelte b/src/routes/search.svelte
index e965047..9fff572 100644
--- a/src/routes/search.svelte
+++ b/src/routes/search.svelte
@@ -1 +1,80 @@
-Hello
+<script lang="ts" context="module">
+  import type { Load } from '@sveltejs/kit'
+
+  export const load: Load = async ({ fetch }) => {
+    return {
+      props: {
+        prebuilt: await fetch('/api/search.json').then((r) => r.json()),
+      },
+    }
+  }
+</script>
+
+<script lang="ts">
+  import lunr from 'lunr'
+  import { onMount } from 'svelte'
+
+  import type { SearchResultItem } from '$lib/components/SearchResult.svelte'
+  import SearchResult from '$lib/components/SearchResult.svelte'
+  import SimplePage from '$lib/components/SimplePage.svelte'
+
+  export let prebuilt: any
+  let needle: string | null = null
+  let results: SearchResultItem[] = []
+
+  const idx = lunr.Index.load(prebuilt)
+
+  async function search(needle: string) {
+    if (!needle || !idx) {
+      results = []
+    } else {
+      let found = idx.search(needle + '~1')
+      if (!found.length) found = idx.search(needle + '*')
+      results = found.slice(0, 20)
+    }
+  }
+
+  $: if (needle) {
+    if (typeof window !== 'undefined') {
+      window.history.replaceState(null, '', `/search?q=${needle ?? ''}`)
+    }
+    search(needle)
+  }
+
+  onMount(() => {
+    needle = new URLSearchParams(window.location.search).get('q')
+  })
+</script>
+
+<SimplePage title="Search" expanded={false}>
+  <input bind:value={needle} placeholder="needle" />
+  {#if needle}
+    <ul>
+      {#each results as result (result.ref)}
+        <SearchResult {result} />
+      {/each}
+    </ul>
+  {:else}
+    <p>Start typing...</p>
+  {/if}
+</SimplePage>
+
+<style>
+  input {
+    appearance: none;
+    -webkit-appearance: none;
+    margin: 0;
+    padding: 0.5rem;
+    font-size: 1em;
+    width: 100%;
+    outline: none;
+    border: 2px solid var(--clr-primary);
+    border-radius: 0;
+  }
+
+  ul {
+    margin-top: 2em;
+    list-style: none;
+    padding: 0;
+  }
+</style>