1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
|
/*
2025-01-31
The author disclaims copyright to this source code. In place of a
legal notice, here is a blessing:
* May you do good and not evil.
* May you find forgiveness for yourself and forgive others.
* May you share freely, never taking more than you give.
***********************************************************************
This file is part of testing the OPFS SAHPool VFS's computeDigest()
fix. See ./digest.html for the details.
*/
const clog = console.log.bind(console);
const wPost = (type,...args)=>postMessage({type, payload:args});
const log = (...args)=>{
clog("Worker:",...args);
wPost('log',...args);
}
const hasOpfs = ()=>{
return globalThis.FileSystemHandle
&& globalThis.FileSystemDirectoryHandle
&& globalThis.FileSystemFileHandle
&& globalThis.FileSystemFileHandle.prototype.createSyncAccessHandle
&& navigator?.storage?.getDirectory;
};
if( !hasOpfs() ){
wPost('error',"OPFS not detected");
throw new Error("OPFS not detected");
}
clog("Importing sqlite3...");
const searchParams = new URL(self.location.href).searchParams;
importScripts(searchParams.get('sqlite3.dir') + '/sqlite3.js');
const runTests = function(sqlite3, poolUtil){
const fname = '/my.db';
let db = new poolUtil.OpfsSAHPoolDb(fname);
let n = (new Date()).valueOf();
try {
db.exec([
"create table if not exists t(a);"
]);
db.exec({
sql: "insert into t(a) values(?)",
bind: n++
});
log(fname,"record count: ",db.selectValue("select count(*) from t"));
}finally{
db.close();
}
db = new poolUtil.OpfsSAHPoolDb(fname);
try {
db.exec({
sql: "insert into t(a) values(?)",
bind: n++
});
log(fname,"record count: ",db.selectValue("select count(*) from t"));
}finally{
db.close();
}
const fname2 = '/my2.db';
db = new poolUtil.OpfsSAHPoolDb(fname2);
try {
db.exec([
"create table if not exists t(a);"
]);
db.exec({
sql: "insert into t(a) values(?)",
bind: n++
});
log(fname2,"record count: ",db.selectValue("select count(*) from t"));
}finally{
db.close();
}
};
globalThis.sqlite3InitModule().then(async function(sqlite3){
log("sqlite3 version:",sqlite3.version);
const sahPoolConfig = {
name: 'opfs-sahpool-digest',
clearOnInit: false,
initialCapacity: 6
};
return sqlite3.installOpfsSAHPoolVfs(sahPoolConfig).then(poolUtil=>{
log('vfs acquired');
runTests(sqlite3, poolUtil);
});
});
|
