From e3470f35441eab13356e2f1d0af14704fbb64a08 Mon Sep 17 00:00:00 2001
From: Keitaroh Kobayashi <keita@kbys.me>
Date: Wed, 23 Oct 2024 11:50:39 +0900
Subject: [PATCH] Add address query string to demo page (#249)

---
 demo/index.html  | 58 +++++++++++++++++++++++++++++++++++++++++++-----
 src/main-node.ts | 15 ++++---------
 2 files changed, 57 insertions(+), 16 deletions(-)

diff --git a/demo/index.html b/demo/index.html
index 4e29ee27a7..562cc57834 100644
--- a/demo/index.html
+++ b/demo/index.html
@@ -40,6 +40,41 @@ <h1>住所正規化デモ</h1>
       8: "住居表示住所の場合はフロンテージ位置多い。地番住所の場合は地番の中央点。",
     };
 
+    const useQueryParam = (key) => {
+      const [ value, setValue ] = React.useState(() => {
+        const hash = window.location.hash.replace(/^#/, '');
+        const searchParams = new URLSearchParams(hash);
+        return searchParams.get(key);
+      });
+
+      React.useEffect(() => {
+        const hash = window.location.hash.replace(/^#/, '');
+        const searchParams = new URLSearchParams(hash);
+        if (value === searchParams.get(key)) {
+          return;
+        } else if (!value) {
+          searchParams.delete(key);
+        } else {
+          searchParams.set(key, value);
+        }
+        window.history.replaceState({}, '', `${window.location.pathname}#${searchParams.toString()}`);
+      }, [value]);
+
+      React.useEffect(() => {
+        const handler = () => {
+          const hash = window.location.hash.replace(/^#/, '');
+          const searchParams = new URLSearchParams(hash);
+          setValue(searchParams.get(key));
+        };
+        window.addEventListener('hashchange', handler);
+        return () => {
+          window.removeEventListener('hashchange', handler);
+        };
+      }, []);
+
+      return [value, setValue];
+    }
+
     const useStorage = (key, defaultValue) => {
       const [value, setValue] = React.useState(() => {
         const storedValue = window.localStorage.getItem(key)
@@ -96,15 +131,13 @@ <h1>住所正規化デモ</h1>
 
     const App = () => {
       const [ historyList, setHistoryList ] = useStorage('njaHistory', []);
+      const [ query, setQuery ] = useQueryParam('q');
       const [ point, setPoint ] = React.useState(undefined);
       const [ result, setResult ] = React.useState(undefined);
       const inputRef = React.useRef(null);
       const resultDivRef = React.useRef(null);
 
-      const onSubmit = React.useCallback(async (ev) => {
-        ev.preventDefault();
-        const inputText = inputRef.current.value;
-        if (!inputText) return;
+      const normalizeString = React.useCallback(async (inputText) => {
         setHistoryList((prev) => {
           const next = [...prev];
           if (next.includes(inputText)) {
@@ -125,8 +158,23 @@ <h1>住所正規化デモ</h1>
           normalized,
         });
         setPoint(normalized.point);
+        setQuery(inputText);
         resultDivRef.current.scrollIntoView();
-      }, [])
+      }, []);
+
+      const onSubmit = React.useCallback(async (ev) => {
+        ev.preventDefault();
+        const inputText = inputRef.current.value;
+        if (!inputText) return;
+        await normalizeString(inputText);
+      }, [normalizeString]);
+
+      React.useEffect(() => {
+        if (query) {
+          inputRef.current.value = query;
+          normalizeString(query);
+        }
+      }, [query, normalizeString]);
 
       return (html`
         <div className="container">
diff --git a/src/main-node.ts b/src/main-node.ts
index 0a117b57f7..9aa9493077 100644
--- a/src/main-node.ts
+++ b/src/main-node.ts
@@ -1,9 +1,5 @@
 import * as Normalize from './normalize'
-import {
-  __internals,
-  FetchOptions,
-  FetchResponseLike,
-} from './config'
+import { __internals, FetchOptions, FetchResponseLike } from './config'
 import { promises as fs } from 'node:fs'
 import { fetch } from 'undici'
 
@@ -47,12 +43,9 @@ export const requestHandlers = {
     if (typeof o.length !== 'undefined' && typeof o.offset !== 'undefined') {
       headers['Range'] = `bytes=${o.offset}-${o.offset + o.length - 1}`
     }
-    return fetch(
-      fileURL.toString(),
-      {
-        headers,
-      },
-    )
+    return fetch(fileURL.toString(), {
+      headers,
+    })
   },
 }