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Zyronon
2025-11-18 00:49:56 +08:00
parent 76e5e7ba68
commit b4cf3b3c62
3 changed files with 120 additions and 62 deletions
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115
public/migrate.html
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@@ -1,13 +1,25 @@
<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<meta charset="UTF-8"/>
<meta name="viewport" content="width=device-width, initial-scale=1.0"/>
<title>TypeWords 数据迁移</title>
<style>
body { font-family: sans-serif; padding: 20px; }
button { padding: 10px 20px; font-size: 16px; }
pre { background: #f7f7f7; padding: 10px; border-radius: 4px; }
body {
font-family: sans-serif;
padding: 20px;
}
button {
padding: 10px 20px;
font-size: 16px;
}
pre {
background: #f7f7f7;
padding: 10px;
border-radius: 4px;
}
</style>
</head>
<body>
@@ -21,10 +33,40 @@
document.getElementById('log').textContent += msg + "\n";
}
let dbReadyPromise = null;
let name = 'keyval-store';
function openDB(dbName, keys) {
if (dbReadyPromise) return dbReadyPromise;
dbReadyPromise = new Promise((resolve, reject) => {
const request = indexedDB.open(dbName, 1);
request.onupgradeneeded = (event) => {
const db = event.target.result;
keys.forEach((name) => {
if (!db.objectStoreNames.contains(name)) {
db.createObjectStore(name);
}
});
};
request.onsuccess = () => resolve(request.result);
request.onerror = () => reject(request.error);
});
return dbReadyPromise;
}
openDB(name)
// --- localStorage 读取 ---
function readLocalStorageKeys(keys) {
const out = {};
keys.forEach(k => { out[k] = localStorage.getItem(k); });
keys.forEach(k => {
out[k] = localStorage.getItem(k);
});
return out;
}
@@ -35,39 +77,36 @@
'typing-word-setting',
'typing-word-files'
]) {
return new Promise((resolve) => {
const openReq = indexedDB.open(dbName);
return new Promise(async (resolve) => {
const db = await openDB(dbName, keys);
const stores = Array.from(db.objectStoreNames);
openReq.onerror = tryOpenKeyvalDefault;
if (stores.length === 0) {
db.close();
tryOpenKeyvalDefault();
return;
}
openReq.onsuccess = function () {
const db = openReq.result;
const stores = Array.from(db.objectStoreNames);
if (stores.length === 0) {
if (stores.length === 1 && stores[0] === 'keyval') {
readFromKeyvalDB(db).then(result => {
db.close();
tryOpenKeyvalDefault();
return;
}
if (stores.length === 1 && stores[0] === 'keyval') {
readFromKeyvalDB(db).then(result => {
db.close(); resolve(result);
});
} else {
readFromMultipleStores(db, stores).then(result => {
db.close(); resolve(result);
});
}
};
resolve(result);
});
} else {
readFromMultipleStores(db, stores).then(result => {
db.close();
resolve(result);
});
}
function tryOpenKeyvalDefault() {
const req = indexedDB.open('keyval');
req.onerror = () => resolve({ indexedDB: {}, reason: 'no-db' });
req.onerror = () => resolve({indexedDB: {}, reason: 'no-db'});
req.onsuccess = function () {
const db2 = req.result;
readFromKeyvalDB(db2).then(result => {
db2.close(); resolve(result);
db2.close();
resolve(result);
});
};
}
@@ -83,11 +122,11 @@
const r = store.get(k);
r.onsuccess = () => {
out[k] = r.result ?? null;
if (++finished === keys.length) res({ indexedDB: out });
if (++finished === keys.length) res({indexedDB: out});
};
r.onerror = () => {
out[k] = null;
if (++finished === keys.length) res({ indexedDB: out });
if (++finished === keys.length) res({indexedDB: out});
};
});
});
@@ -105,15 +144,15 @@
req.onsuccess = () => {
result[storeName] = req.result;
if (++count === stores.length) res({ indexedDB: result });
if (++count === stores.length) res({indexedDB: result});
};
req.onerror = () => {
result[storeName] = [];
if (++count === stores.length) res({ indexedDB: result });
if (++count === stores.length) res({indexedDB: result});
};
} catch {
result[storeName] = [];
if (++count === stores.length) res({ indexedDB: result });
if (++count === stores.length) res({indexedDB: result});
}
});
});
@@ -123,8 +162,8 @@
async function readAllStorageForMigration() {
const local = readLocalStorageKeys(['PracticeSaveWord', 'PracticeSaveArticle']);
const indexed = await readIndexedDBCompatible('keyval-store');
return { localStorage: local, indexedDB: indexed.indexedDB ?? {} };
const indexed = await readIndexedDBCompatible(name);
return {localStorage: local, indexedDB: indexed.indexedDB ?? {}};
}
// =====================
@@ -136,7 +175,7 @@
const data = await readAllStorageForMigration();
log('读取完成，开始发送数据到新域名');
event.source.postMessage({ type: 'MIGRATE_DATA', payload: data }, event.origin);
event.source.postMessage({type: 'MIGRATE_DATA', payload: data}, event.origin);
log('已发送迁移数据');
}