@vlcn.io/wa-sqlite - npm Package Compare versions

Comparing version 0.19.0 to 0.20.0-next.0

dist/crsqlite-sync.mjs

@@ -8,98 +8,100 @@
 
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dist/crsqlite.mjs

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+4>>2];a+=8;var k=f,q=m,n=l,r=h,w=x;if(0>n||0>r)throw new O(28);if(null===k.ac)throw new O(8);if(1===(k.flags&2097155))throw new O(8);if(16384===(k.node.mode&61440))throw new O(31);if(!k.Rb.read)throw new O(28);var z="undefined"!=typeof r;if(!z)r=k.position;else if(!k.seekable)throw new O(70);var F=k.Rb.read(k,w,q,n,r);z||(k.position+=F);var D=F;if(0>D){var J=-1;break a}b+=D;if(D<l)break;"undefined"!==typeof h&&(h+=D)}J=b}B[d>>2]=J;return 0}catch(H){if("undefined"==typeof U||"ErrnoError"!==H.name)throw H;
+return H.Tb}},j:function(a,b,c,d,f){try{b=c+2097152>>>0<4194305-!!b?(b>>>0)[phone]*c:NaN;if(isNaN(b))return 61;var h=W(a);Eb(h,b,d);I=[h.position>>>0,(G=h.position,1<=+Math.abs(G)?0<G?+Math.floor(G/4294967296)>>>0:~~+Math.ceil((G-+(~~G>>>0))/4294967296)>>>0:0)];A[f>>2]=I[0];A[f+4>>2]=I[1];h.uc&&0===b&&0===d&&(h.uc=null);return 0}catch(g){if("undefined"==typeof U||"ErrnoError"!==g.name)throw g;return g.Tb}},F:function(a){try{var b=W(a);return Xc(function(c){var d=b.node.Zb;d.type.Xc?d.type.Xc(d,
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+(function(){function a(c){c=c.exports;c=Mc(c);e.asm=c;ma=e.asm.wa;ra();ta.unshift(e.asm.xa);C--;e.monitorRunDependencies&&e.monitorRunDependencies(C);if(0==C&&(null!==ya&&(clearInterval(ya),ya=null),za)){var d=za;za=null;d()}return c}var b={a:hd};C++;e.monitorRunDependencies&&e.monitorRunDependencies(C);if(e.instantiateWasm)try{return e.instantiateWasm(b,a)}catch(c){t("Module.instantiateWasm callback failed with error: "+c),ba(c)}Fa(b,function(c){a(c.instance)}).catch(ba);return{}})();
+e._sqlite3_malloc=function(){return(e._sqlite3_malloc=e.asm.ya).apply(null,arguments)};e._sqlite3_free=function(){return(e._sqlite3_free=e.asm.za).apply(null,arguments)};e._sqlite3_bind_blob=function(){return(e._sqlite3_bind_blob=e.asm.Aa).apply(null,arguments)};e._sqlite3_bind_int=function(){return(e._sqlite3_bind_int=e.asm.Ba).apply(null,arguments)};e._sqlite3_bind_int64=function(){return(e._sqlite3_bind_int64=e.asm.Ca).apply(null,arguments)};
+e._sqlite3_bind_double=function(){return(e._sqlite3_bind_double=e.asm.Da).apply(null,arguments)};e._sqlite3_bind_null=function(){return(e._sqlite3_bind_null=e.asm.Ea).apply(null,arguments)};e._sqlite3_bind_text=function(){return(e._sqlite3_bind_text=e.asm.Fa).apply(null,arguments)};e._sqlite3_close=function(){return(e._sqlite3_close=e.asm.Ga).apply(null,arguments)};e._sqlite3_column_type=function(){return(e._sqlite3_column_type=e.asm.Ha).apply(null,arguments)};
+e._sqlite3_column_count=function(){return(e._sqlite3_column_count=e.asm.Ia).apply(null,arguments)};e._sqlite3_column_text=function(){return(e._sqlite3_column_text=e.asm.Ja).apply(null,arguments)};e._sqlite3_column_blob=function(){return(e._sqlite3_column_blob=e.asm.Ka).apply(null,arguments)};e._sqlite3_column_bytes=function(){return(e._sqlite3_column_bytes=e.asm.La).apply(null,arguments)};e._sqlite3_column_double=function(){return(e._sqlite3_column_double=e.asm.Ma).apply(null,arguments)};
+e._sqlite3_column_int=function(){return(e._sqlite3_column_int=e.asm.Na).apply(null,arguments)};e._sqlite3_column_int64=function(){return(e._sqlite3_column_int64=e.asm.Oa).apply(null,arguments)};e._sqlite3_column_name=function(){return(e._sqlite3_column_name=e.asm.Pa).apply(null,arguments)};e._sqlite3_declare_vtab=function(){return(e._sqlite3_declare_vtab=e.asm.Qa).apply(null,arguments)};e._sqlite3_errmsg=function(){return(e._sqlite3_errmsg=e.asm.Ra).apply(null,arguments)};
+e._sqlite3_exec=function(){return(e._sqlite3_exec=e.asm.Sa).apply(null,arguments)};e._sqlite3_finalize=function(){return(e._sqlite3_finalize=e.asm.Ta).apply(null,arguments)};e._sqlite3_prepare_v2=function(){return(e._sqlite3_prepare_v2=e.asm.Ua).apply(null,arguments)};e._sqlite3_result_int=function(){return(e._sqlite3_result_int=e.asm.Va).apply(null,arguments)};e._sqlite3_result_blob=function(){return(e._sqlite3_result_blob=e.asm.Wa).apply(null,arguments)};
+e._sqlite3_result_int64=function(){return(e._sqlite3_result_int64=e.asm.Xa).apply(null,arguments)};e._sqlite3_result_double=function(){return(e._sqlite3_result_double=e.asm.Ya).apply(null,arguments)};e._sqlite3_result_null=function(){return(e._sqlite3_result_null=e.asm.Za).apply(null,arguments)};e._sqlite3_result_error=function(){return(e._sqlite3_result_error=e.asm._a).apply(null,arguments)};e._sqlite3_result_text=function(){return(e._sqlite3_result_text=e.asm.$a).apply(null,arguments)};
+e._sqlite3_sql=function(){return(e._sqlite3_sql=e.asm.ab).apply(null,arguments)};e._sqlite3_reset=function(){return(e._sqlite3_reset=e.asm.bb).apply(null,arguments)};e._sqlite3_step=function(){return(e._sqlite3_step=e.asm.cb).apply(null,arguments)};e._sqlite3_value_text=function(){return(e._sqlite3_value_text=e.asm.db).apply(null,arguments)};e._sqlite3_value_type=function(){return(e._sqlite3_value_type=e.asm.eb).apply(null,arguments)};
+e._sqlite3_value_bytes=function(){return(e._sqlite3_value_bytes=e.asm.fb).apply(null,arguments)};e._sqlite3_value_blob=function(){return(e._sqlite3_value_blob=e.asm.gb).apply(null,arguments)};e._sqlite3_value_int=function(){return(e._sqlite3_value_int=e.asm.hb).apply(null,arguments)};e._sqlite3_value_int64=function(){return(e._sqlite3_value_int64=e.asm.ib).apply(null,arguments)};e._sqlite3_value_double=function(){return(e._sqlite3_value_double=e.asm.jb).apply(null,arguments)};
+e._RegisterExtensionFunctions=function(){return(e._RegisterExtensionFunctions=e.asm.kb).apply(null,arguments)};function gd(){return(gd=e.asm.lb).apply(null,arguments)}var ad=e._free=function(){return(ad=e._free=e.asm.mb).apply(null,arguments)};e._set_authorizer=function(){return(e._set_authorizer=e.asm.ob).apply(null,arguments)};e._create_function=function(){return(e._create_function=e.asm.pb).apply(null,arguments)};e._update_hook=function(){return(e._update_hook=e.asm.qb).apply(null,arguments)};
+e._create_module=function(){return(e._create_module=e.asm.rb).apply(null,arguments)};e._progress_handler=function(){return(e._progress_handler=e.asm.sb).apply(null,arguments)};e._register_vfs=function(){return(e._register_vfs=e.asm.tb).apply(null,arguments)};e._sqlite3_vfs_find=function(){return(e._sqlite3_vfs_find=e.asm.ub).apply(null,arguments)};e._getSqliteFree=function(){return(e._getSqliteFree=e.asm.vb).apply(null,arguments)};var jd=e._main=function(){return(jd=e._main=e.asm.wb).apply(null,arguments)};
+e._sqlite3_clear_bindings=function(){return(e._sqlite3_clear_bindings=e.asm.xb).apply(null,arguments)};e._sqlite3_data_count=function(){return(e._sqlite3_data_count=e.asm.yb).apply(null,arguments)};e._sqlite3_bind_parameter_count=function(){return(e._sqlite3_bind_parameter_count=e.asm.zb).apply(null,arguments)};e._sqlite3_bind_parameter_name=function(){return(e._sqlite3_bind_parameter_name=e.asm.Ab).apply(null,arguments)};
+e._sqlite3_libversion=function(){return(e._sqlite3_libversion=e.asm.Bb).apply(null,arguments)};e._sqlite3_libversion_number=function(){return(e._sqlite3_libversion_number=e.asm.Cb).apply(null,arguments)};e._sqlite3_changes=function(){return(e._sqlite3_changes=e.asm.Db).apply(null,arguments)};e._sqlite3_limit=function(){return(e._sqlite3_limit=e.asm.Eb).apply(null,arguments)};e._sqlite3_open_v2=function(){return(e._sqlite3_open_v2=e.asm.Fb).apply(null,arguments)};
+e._sqlite3_get_autocommit=function(){return(e._sqlite3_get_autocommit=e.asm.Gb).apply(null,arguments)};var Sb=e._malloc=function(){return(Sb=e._malloc=e.asm.Hb).apply(null,arguments)};function bb(){return(bb=e.asm.Ib).apply(null,arguments)}function kd(){return(kd=e.asm.Jb).apply(null,arguments)}function fd(){return(fd=e.asm.Kb).apply(null,arguments)}function dd(){return(dd=e.asm.Lb).apply(null,arguments)}function ed(){return(ed=e.asm.Mb).apply(null,arguments)}
+function Zc(){return(Zc=e.asm.Nb).apply(null,arguments)}function Oc(){return(Oc=e.asm.Ob).apply(null,arguments)}function Yc(){return(Yc=e.asm.Pb).apply(null,arguments)}function $c(){return($c=e.asm.Qb).apply(null,arguments)}e.getTempRet0=kd;e.ccall=Z;e.cwrap=function(a,b,c,d){var f=!c||c.every(h=>"number"===h||"boolean"===h);return"string"!==b&&f&&!d?e["_"+a]:function(){return Z(a,b,c,arguments,d)}};e.setValue=L;e.getValue=K;e.UTF8ToString=M;e.stringToUTF8=Nb;e.lengthBytesUTF8=Qa;var ld;
+za=function md(){ld||nd();ld||(za=md)};
+function nd(){function a(){if(!ld&&(ld=!0,e.calledRun=!0,!v)){e.noFSInit||Gb||(Gb=!0,Fb(),e.stdin=e.stdin,e.stdout=e.stdout,e.stderr=e.stderr,e.stdin?Ib("stdin",e.stdin):wb("/dev/tty","/dev/stdin"),e.stdout?Ib("stdout",null,e.stdout):wb("/dev/tty","/dev/stdout"),e.stderr?Ib("stderr",null,e.stderr):wb("/dev/tty1","/dev/stderr"),Db("/dev/stdin",0),Db("/dev/stdout",1),Db("/dev/stderr",1));gb=!1;Ha(ta);Ha(ua);aa(e);if(e.onRuntimeInitialized)e.onRuntimeInitialized();if(od){var b=jd;try{var c=b(0,0);Wb(c,
+!0)}catch(d){Kc(d)}}if(e.postRun)for("function"==typeof e.postRun&&(e.postRun=[e.postRun]);e.postRun.length;)b=e.postRun.shift(),va.unshift(b);Ha(va)}}if(!(0<C)){if(e.preRun)for("function"==typeof e.preRun&&(e.preRun=[e.preRun]);e.preRun.length;)xa();Ha(sa);0<C||(e.setStatus?(e.setStatus("Running..."),setTimeout(function(){setTimeout(function(){e.setStatus("")},1);a()},1)):a())}}if(e.preInit)for("function"==typeof e.preInit&&(e.preInit=[e.preInit]);0<e.preInit.length;)e.preInit.pop()();var od=!0;
+e.noInitialRun&&(od=!1);nd();
 
@@ -111,0 +113,0 @@

package.json

 {
   "name": "@vlcn.io/wa-sqlite",
-  "version": "0.19.0",
+  "version": "0.20.0-next.0",
   "type": "module",
@@ -21,2 +21,9 @@ "main": "src/sqlite-api.js",
   ],
+  "scripts": {
+    "build-docs": "typedoc",
+    "start": "web-dev-server --node-resolve",
+    "deep-clean": "rm -rf ./dist || true",
+    "test": "karma start karma.conf.cjs --browsers ChromeHeadless",
+    "test-manual": "karma start karma.conf.cjs --auto-watch --no-single-run --reporters progress"
+  },
   "devDependencies": {
@@ -44,10 +51,3 @@ "@web/dev-server": "^0.1.38",
     }
-  },
-  "scripts": {
-    "build-docs": "typedoc",
-    "start": "web-dev-server --node-resolve",
-    "deep-clean": "rm -rf ./dist || true",
-    "test": "karma start karma.conf.cjs --browsers ChromeHeadless",
-    "test-manual": "karma start karma.conf.cjs --auto-watch --no-single-run --reporters progress"
   }
-}
+}

src/examples/IDBBatchAtomicVFS.js

@@ -8,2 +8,3 @@ // Copyright 2022 Roy T. Hashimoto. All Rights Reserved.
 const SECTOR_SIZE = 512;
+const MAX_TASK_MILLIS = 3000;
 
@@ -58,2 +59,5 @@ /**
 
+  #taskTimestamp = performance.now();
+  #pendingAsync = new Set();
+
   constructor(idbDatabaseName = 'wa-sqlite', options = DEFAULT_OPTIONS) {
@@ -73,3 +77,3 @@ super();
 
-    this.#idb?.close();
+    await this.#idb?.close();
     this.#idb = null;
@@ -210,2 +214,32 @@ }
   xWrite(fileId, pData, iOffset) {
+    // Handle asynchronously every MAX_TASK_MILLIS milliseconds. This is
+    // tricky because Asyncify calls asynchronous methods twice: once
+    // to initiate the call and unwinds the stack, then rewinds the
+    // stack and calls again to retrieve the completed result.
+    const rewound = this.#pendingAsync.has(fileId);
+    if (rewound || performance.now() - this.#taskTimestamp > MAX_TASK_MILLIS) {
+      const result = this.handleAsync(async () => {
+        if (this.handleAsync !== super.handleAsync) {
+          this.#pendingAsync.add(fileId);
+        }
+        await new Promise(resolve => setTimeout(resolve));
+
+        const result = this.#xWriteHelper(fileId, pData, iOffset);
+        this.#taskTimestamp = performance.now();
+        return result;
+      });
+
+      if (rewound) this.#pendingAsync.delete(fileId);
+      return result;
+    }
+    return this.#xWriteHelper(fileId, pData, iOffset);
+  }
+
+  /**
+   * @param {number} fileId 
+   * @param {Uint8Array} pData 
+   * @param {number} iOffset
+   * @returns {number}
+   */
+  #xWriteHelper(fileId, pData, iOffset) {
     const file = this.#mapIdToFile.get(fileId);
@@ -283,17 +317,40 @@ log(`xWrite ${file.path} ${pData.byteLength} ${iOffset}`);
    * @param {number} fileId 
-   * @param {*} flags 
+   * @param {number} flags 
    * @returns {number}
    */
   xSync(fileId, flags) {
+    // Skip IndexedDB sync if durability is relaxed and the last
+    // sync was recent enough.
+    const rewound = this.#pendingAsync.has(fileId);
+    if (rewound || this.#options.durability !== 'relaxed' ||
+        performance.now() - this.#taskTimestamp > MAX_TASK_MILLIS) {
+      const result = this.handleAsync(async () => {
+        if (this.handleAsync !== super.handleAsync) {
+          this.#pendingAsync.add(fileId);
+        }
+
+        const result = await this.#xSyncHelper(fileId, flags);
+        this.#taskTimestamp = performance.now();
+        return result;
+      });
+
+      if (rewound) this.#pendingAsync.delete(fileId);
+      return result;
+    }
+
     const file = this.#mapIdToFile.get(fileId);
     log(`xSync ${file.path} ${flags}`);
+    return VFS.SQLITE_OK;
+  }
 
+  /**
+   * @param {number} fileId 
+   * @param {number} flags 
+   * @returns {Promise<number>}
+   */
+  async #xSyncHelper(fileId, flags) {
+    const file = this.#mapIdToFile.get(fileId);
+    log(`xSync ${file.path} ${flags}`);
     try {
-      if (this.#options.durability !== 'relaxed') {
-        return this.handleAsync(async () => {
-          await this.#idb.sync();
-          return VFS.SQLITE_OK;
-        });
-      }
-      return VFS.SQLITE_OK;
+      await this.#idb.sync();
     } catch (e) {
@@ -303,2 +360,3 @@ console.error(e);
     }
+    return VFS.SQLITE_OK;
   }
@@ -305,0 +363,0 @@

src/examples/IDBContext.js

 // Copyright 2022 Roy T. Hashimoto. All Rights Reserved.
-const RETRYABLE_EXCEPTIONS = new Set(['TransactionInactiveError', 'InvalidStateError']);
 
+// IndexedDB transactions older than this will be replaced.
+const MAX_TRANSACTION_LIFETIME_MILLIS = 5_000;
+
 // For debugging.
@@ -14,2 +16,3 @@ let nextTxId = 0;
 export class IDBContext {
+  /** @type {IDBDatabase} */ #db;
   /** @type {Promise<IDBDatabase>} */ #dbReady;
@@ -19,5 +22,5 @@ #txOptions;
   /** @type {IDBTransaction} */ #tx = null;
-  /** @type {Promise<void>} */ #txComplete = null;
-  /** @type {IDBRequest} */ #request = null;
-  #chain = Promise.resolve();
+  #txTimestamp = 0;
+  #runChain = Promise.resolve();
+  #putChain = Promise.resolve();
 
@@ -28,3 +31,3 @@ /**
   constructor(idbDatabase, txOptions = { durability: 'default' }) {
-    this.#dbReady = Promise.resolve(idbDatabase);
+    this.#dbReady = Promise.resolve(idbDatabase).then(db => this.#db = db);
     this.#txOptions = txOptions;
@@ -34,3 +37,5 @@ }
   async close() {
-    const db = await this.#dbReady;
+    const db = this.#db ?? await this.#dbReady;
+    await this.#runChain;
+    await this.sync();
     db.close();
@@ -43,9 +48,9 @@ }
    * @param {IDBTransactionMode} mode
-   * @param {(stores: Object.<string, Store>) => any} f 
+   * @param {(stores: Object.<string, ObjectStore>) => any} f 
    */
   async run(mode, f) {
     // Ensure that functions run sequentially.
-    return this.#chain = this.#chain.then(() => {
-      return this.#run(mode, f);
-    });
+    const result = this.#runChain.then(() => this.#run(mode, f));
+    this.#runChain = result.catch(() => {});
+    return result;
   }
@@ -55,17 +60,23 @@
    * @param {IDBTransactionMode} mode
-   * @param {(stores: Object.<string, Store>) => any} f 
+   * @param {(stores: Object.<string, ObjectStore>) => any} f 
    * @returns 
    */
   async #run(mode, f) {
-    const db = await this.#dbReady;
-    const storeNames = Array.from(db.objectStoreNames);
-    if (mode !== 'readonly' && this.#tx?.mode === 'readonly') {
-      // Force creation of a new read-write transaction.
+    const db = this.#db ?? await this.#dbReady;
+    if (mode === 'readwrite' && this.#tx?.mode === 'readonly') {
+      // Mode requires a new transaction.
       this.#tx = null;
-    } else if (this.#request?.readyState === 'pending') {
-      // Wait for pending IDBRequest so the IDBTransaction is active.
-      await new Promise(done => {
-        this.#request.addEventListener('success', done);
-        this.#request.addEventListener('error', done);
-      });
+    } else if (performance.now() - this.#txTimestamp > MAX_TRANSACTION_LIFETIME_MILLIS) {
+      // Chrome times out transactions after 60 seconds so refresh preemptively.
+      try {
+        this.#tx?.commit();
+      } catch (e) {
+        // Explicit commit can fail but this can be ignored if it will
+        // auto-commit anyway.
+        if (e.name !== 'InvalidStateError') throw e;
+      }
+
+      // Skip to the next task to allow processing.
+      await new Promise(resolve => setTimeout(resolve));
+      this.#tx = null;
     }
@@ -77,12 +88,29 @@
         // @ts-ignore
-        this.#tx = db.transaction(storeNames, mode, this.#txOptions);
-        this.#txComplete = new Promise(resolve => {
-          this.#tx.addEventListener('complete', event => {
-            if (this.#tx === event.target) {
-              this.#tx = null
-            }
-            resolve();
-            log(`transaction ${mapTxToId.get(event.target)} complete`);
+        this.#tx = db.transaction(db.objectStoreNames, mode, this.#txOptions);
+        const timestamp = this.#txTimestamp = performance.now();
+
+        // Chain the result of every transaction. If any transaction is
+        // aborted then the next sync() call will throw.
+        this.#putChain = this.#putChain.then(() => {
+          return new Promise((resolve, reject) => {
+            this.#tx.addEventListener('complete', event => {
+              resolve();
+              if (this.#tx === event.target) {
+                this.#tx = null;
+              }
+              log(`transaction ${mapTxToId.get(event.target)} complete`);
+            });
+            this.#tx.addEventListener('abort', event => {
+              console.warn('tx abort', (performance.now() - timestamp)/1000);
+              // @ts-ignore
+              const e = event.target.error;
+              reject(e);
+              if (this.#tx === event.target) {
+                this.#tx = null;
+              }
+              log(`transaction ${mapTxToId.get(event.target)} aborted`, e);
+            });
           });
         });
+
         log(`new transaction ${nextTxId} ${mode}`);
@@ -93,15 +121,10 @@ mapTxToId.set(this.#tx, nextTxId++);
       try {
-        const stores = Object.fromEntries(storeNames.map(name => {
-          const objectStore = this.#tx.objectStore(name);
-          const store = new Store(objectStore, request => this.#setRequest(request));
-          return [name, store];
+        const stores = Object.fromEntries(Array.from(db.objectStoreNames, name => {
+          return [name, new ObjectStore(this.#tx.objectStore(name))];
         }));
         return await f(stores);
       } catch (e) {
-        if (i || !RETRYABLE_EXCEPTIONS.has(e.name)) {
-          // On failure make sure nothing is committed.
-          try { this.#tx.abort() } catch (ignored) {}
-          throw e;
-        }
         this.#tx = null;
+        if (i) throw e;
+        // console.warn('retrying with new transaction');
       }
@@ -112,28 +135,30 @@ }
   async sync() {
-    // Wait until all previously queued request functions have run.
-    await new Promise(resolve => this.run('readwrite', resolve));
-    return this.#txComplete;
+    // Wait until all transactions since the previous sync have committed.
+    // Throw if any transaction failed.
+    await this.#putChain;
+    this.#putChain = Promise.resolve();
   }
+}
 
-  /**
-   * @param {IDBRequest} request 
-   */
-  #setRequest(request) {
-    this.#request = request;
-    return new Promise((resolve, reject) => {
-      request.onsuccess = () => resolve(request.result);
-      request.onerror = () => reject(request.error);
-    });
-  }
+/**
+ * Helper to convert IDBRequest to Promise.
+ * @param {IDBRequest} request 
+ * @returns {Promise}
+ */
+function wrapRequest(request) {
+  return new Promise((resolve, reject) => {
+    request.addEventListener('success', () => resolve(request.result));
+    request.addEventListener('error', () => reject(request.error));
+  });
 }
 
-// IDBStore wrapper passed to IDBActivity run functions.
-class Store {
+// IDBObjectStore wrapper passed to IDBContext run functions.
+class ObjectStore {
+  #objectStore;
+
   /**
-   * @param {IDBObjectStore} store 
-   * @param {(request: IDBRequest) => Promise} addRequest
+   * @param {IDBObjectStore} objectStore 
    */
-  constructor(store, addRequest) {
-    this.store = store;
-    this.addRequest = addRequest;
+  constructor(objectStore) {
+    this.#objectStore = objectStore;
   }
@@ -146,5 +171,5 @@
   get(query) {
-    log(`get ${this.store.name}`, query);
-    const request = this.store.get(query);
-    return this.addRequest(request);
+    log(`get ${this.#objectStore.name}`, query);
+    const request = this.#objectStore.get(query);
+    return wrapRequest(request);
   }
@@ -158,5 +183,5 @@
    getAll(query, count) {
-    log(`getAll ${this.store.name}`, query, count);
-    const request = this.store.getAll(query, count);
-    return this.addRequest(request);
+    log(`getAll ${this.#objectStore.name}`, query, count);
+    const request = this.#objectStore.getAll(query, count);
+    return wrapRequest(request);
   }
@@ -169,5 +194,5 @@
   getKey(query) {
-    log(`getKey ${this.store.name}`, query);
-    const request = this.store.getKey(query);
-    return this.addRequest(request);
+    log(`getKey ${this.#objectStore.name}`, query);
+    const request = this.#objectStore.getKey(query);
+    return wrapRequest(request);
   }
@@ -181,5 +206,5 @@
    getAllKeys(query, count) {
-    log(`getAllKeys ${this.store.name}`, query, count);
-    const request = this.store.getAllKeys(query, count);
-    return this.addRequest(request);
+    log(`getAllKeys ${this.#objectStore.name}`, query, count);
+    const request = this.#objectStore.getAllKeys(query, count);
+    return wrapRequest(request);
   }
@@ -193,5 +218,5 @@
    put(value, key) {
-    log(`put ${this.store.name}`, value, key);
-    const request = this.store.put(value, key);
-    return this.addRequest(request);
+    log(`put ${this.#objectStore.name}`, value, key);
+    const request = this.#objectStore.put(value, key);
+    return wrapRequest(request);
   }
@@ -204,15 +229,15 @@
    delete(query) {
-    log(`delete ${this.store.name}`, query);
-    const request = this.store.delete(query);
-    return this.addRequest(request);
+    log(`delete ${this.#objectStore.name}`, query);
+    const request = this.#objectStore.delete(query);
+    return wrapRequest(request);
   }
 
   clear() {
-    log(`clear ${this.store.name}`);
-    const request = this.store.clear();
-    return this.addRequest(request);
+    log(`clear ${this.#objectStore.name}`);
+    const request = this.#objectStore.clear();
+    return wrapRequest(request);
   }
 
   index(name) {
-    return new Index(this.store.index(name), request => this.addRequest(request));
+    return new Index(this.#objectStore.index(name));
   }
@@ -222,9 +247,9 @@ }
 class Index {
+  /** @type {IDBIndex} */ #index;
+
   /**
    * @param {IDBIndex} index 
-   * @param {(request: IDBRequest) => Promise} addRequest
    */
-   constructor(index, addRequest) {
-    this.index = index;
-    this.addRequest = addRequest;
+   constructor(index) {
+    this.#index = index;
   }
@@ -238,6 +263,6 @@
   getAllKeys(query, count) {
-    log(`IDBIndex.getAllKeys ${this.index.objectStore.name}<${this.index.name}>`, query, count);
-    const request = this.index.getAllKeys(query, count);
-    return this.addRequest(request);
+    log(`IDBIndex.getAllKeys ${this.#index.objectStore.name}<${this.#index.name}>`, query, count);
+    const request = this.#index.getAllKeys(query, count);
+    return wrapRequest(request);
   }
 }

src/examples/IDBMinimalVFS.js

@@ -57,3 +57,3 @@ // Copyright 2022 Roy T. Hashimoto. All Rights Reserved.
 
-    this.#idb?.close();
+    await this.#idb?.close();
     this.#idb = null;
@@ -60,0 +60,0 @@ }

src/sqlite-api.js

@@ -458,3 +458,5 @@ // Copyright 2021 Roy T. Hashimoto. All Rights Reserved.
     return async function(stmt) {
-      verifyStatement(stmt);
+      if (!mapStmtToDB.has(stmt)) {
+        return SQLite.SQLITE_MISUSE;
+      }
       const result = await f(stmt);
@@ -464,3 +466,6 @@
       mapStmtToDB.delete(stmt)
-      return check(fname, result, db);
+
+      // Don't throw on error here. Typically the error has already been
+      // thrown and finalize() is part of the cleanup.
+      return result;
     };
@@ -496,2 +501,11 @@ })();
 
+  sqlite3.limit = (function() {
+    const fname = 'sqlite3_limit';
+    const f = Module.cwrap(fname, ...decl('nnn:n'));
+    return function(db, id, newVal) {
+      const result = f(db, id, newVal);
+      return result;
+    };
+  })();
+
   sqlite3.open_v2 = (function() {
@@ -505,3 +519,3 @@ const fname = 'sqlite3_open_v2';
 
-      const db = Module.getValue(tmpPtr[0], 'i32');
+      const db = Module.getValue(tmpPtr[0], '*');
       databases.add(db);
@@ -523,6 +537,6 @@ Module._sqlite3_free(zVfs);
 
-      const stmt = Module.getValue(tmpPtr[0], 'i32');
+      const stmt = Module.getValue(tmpPtr[0], '*');
       if (stmt) {
         mapStmtToDB.set(stmt, db);
-        return { stmt, sql: Module.getValue(tmpPtr[1], 'i32') };
+        return { stmt, sql: Module.getValue(tmpPtr[1], '*') };
       }
@@ -533,2 +547,7 @@ return null;
 
+  sqlite3.progress_handler = function(db, nProgressOps, handler, userData) {
+    verifyDatabase(db);
+    Module.progressHandler(db, nProgressOps, handler, userData);
+  };;
+
   sqlite3.reset = (function() {
@@ -643,2 +662,8 @@ const fname = 'sqlite3_reset';
 
+  sqlite3.set_authorizer = function(db, authFunction, userData) {
+    verifyDatabase(db);
+    const result = Module.setAuthorizer(db, authFunction, userData);
+    return check('sqlite3_set_authorizer', result, db);
+  };;
+  
   sqlite3.sql = (function() {
@@ -866,6 +891,7 @@ const fname = 'sqlite3_sql';
   const result = [];
-  const m = s.match(/([ns@]*):([ns@])/);
+  const m = s.match(/([ns@]*):([nsv@])/);
   switch (m[2]) {
     case 'n': result.push('number'); break;
     case 's': result.push('string'); break;
+    case 'v': result.push(null); break;
   }
@@ -872,0 +898,0 @@

src/sqlite-constants.js

@@ -218,1 +218,55 @@ // Primary result codes.
 export const SQLITE_SYNC_DATAONLY = 0x00010;
+
+// Authorizer action codes
+export const SQLITE_CREATE_INDEX        = 1;
+export const SQLITE_CREATE_TABLE        = 2;
+export const SQLITE_CREATE_TEMP_INDEX   = 3;
+export const SQLITE_CREATE_TEMP_TABLE   = 4;
+export const SQLITE_CREATE_TEMP_TRIGGER = 5;
+export const SQLITE_CREATE_TEMP_VIEW    = 6;
+export const SQLITE_CREATE_TRIGGER      = 7;
+export const SQLITE_CREATE_VIEW         = 8;
+export const SQLITE_DELETE              = 9;
+export const SQLITE_DROP_INDEX          = 10;
+export const SQLITE_DROP_TABLE          = 11;
+export const SQLITE_DROP_TEMP_INDEX     = 12;
+export const SQLITE_DROP_TEMP_TABLE     = 13;
+export const SQLITE_DROP_TEMP_TRIGGER   = 14;
+export const SQLITE_DROP_TEMP_VIEW      = 15;
+export const SQLITE_DROP_TRIGGER        = 16;
+export const SQLITE_DROP_VIEW           = 17;
+export const SQLITE_INSERT              = 18;
+export const SQLITE_PRAGMA              = 19;
+export const SQLITE_READ                = 20;
+export const SQLITE_SELECT              = 21;
+export const SQLITE_TRANSACTION         = 22;
+export const SQLITE_UPDATE              = 23;
+export const SQLITE_ATTACH              = 24;
+export const SQLITE_DETACH              = 25;
+export const SQLITE_ALTER_TABLE         = 26;
+export const SQLITE_REINDEX             = 27;
+export const SQLITE_ANALYZE             = 28;
+export const SQLITE_CREATE_VTABLE       = 29;
+export const SQLITE_DROP_VTABLE         = 30;
+export const SQLITE_FUNCTION            = 31;
+export const SQLITE_SAVEPOINT           = 32;
+export const SQLITE_COPY                = 0;
+export const SQLITE_RECURSIVE           = 33;
+
+// Authorizer return codes
+export const SQLITE_DENY   = 1;
+export const SQLITE_IGNORE = 2;
+
+// Limit categories
+export const SQLITE_LIMIT_LENGTH              = 0;
+export const SQLITE_LIMIT_SQL_LENGTH          = 1;
+export const SQLITE_LIMIT_COLUMN              = 2;
+export const SQLITE_LIMIT_EXPR_DEPTH          = 3;
+export const SQLITE_LIMIT_COMPOUND_SELECT     = 4;
+export const SQLITE_LIMIT_VDBE_OP             = 5;
+export const SQLITE_LIMIT_FUNCTION_ARG        = 6;
+export const SQLITE_LIMIT_ATTACHED            = 7;
+export const SQLITE_LIMIT_LIKE_PATTERN_LENGTH = 8;
+export const SQLITE_LIMIT_VARIABLE_NUMBER     = 9;
+export const SQLITE_LIMIT_TRIGGER_DEPTH       = 10;
+export const SQLITE_LIMIT_WORKER_THREADS      = 11;

src/types/globals.d.ts

@@ -14,2 +14,3 @@ declare namespace Asyncify {
 declare var HEAPU8: Uint8Array;
+declare var HEAPU32: Uint32Array;
 declare var LibraryManager;
@@ -58,1 +59,5 @@ declare var Module;
 declare var _modRename;
+
+declare var _jsAuth;
+
+declare var _jsProgress;

src/types/index.d.ts

@@ -660,5 +660,7 @@ /**
    * Destroy a prepared statement object compiled with {@link prepare_v2}
+   * 
+   * This function does *not* throw on error.
    * @see https://www.sqlite.org/c3ref/finalize.html
    * @param stmt prepared statement pointer
-   * @returns Promise resolving to `SQLITE_OK` (rejects on error)
+   * @returns Promise resolving to `SQLITE_OK` or error status
    */
@@ -690,2 +692,15 @@ finalize(stmt: number): Promise<number>;
   /**
+   * Set a usage limit on a connection.
+   * @see https://www.sqlite.org/c3ref/limit.html
+   * @param db database pointer
+   * @param id limit category
+   * @param newVal 
+   * @returns previous setting
+   */
+  limit(
+    db: number,
+    id: number,
+    newVal: number): number;
+
+  /**
    * Opening a new database connection.
@@ -754,2 +769,11 @@ *
   /**
+   * Specify callback to be invoked between long-running queries
+   * @param db database pointer
+   * @param nProgressOps target number of database operations between handler invocations
+   * @param handler 
+   * @param userData 
+   */
+  progress_handler(db: number, nProgressOps: number, handler: (userData: any) => number, userData);
+
+  /**
    * Reset a prepared statement object
@@ -829,2 +853,14 @@ * @see https://www.sqlite.org/c3ref/reset.html
   /**
+   * Register a callback function that is invoked to authorize certain SQL statement actions.
+   * @see https://www.sqlite.org/c3ref/set_authorizer.html
+   * @param db database pointer
+   * @param authFunction 
+   * @param userData 
+   */
+  set_authorizer(
+    db: number,
+    authFunction: (userData: any, iActionCode: number, param3: string|null, param4: string|null, param5: string|null, param6: string|null) => number,
+    userData: any): number;
+  
+  /**
    * Get statement SQL
@@ -870,3 +906,3 @@ * @see https://www.sqlite.org/c3ref/expanded_sql.html
    * to ensure that all allocated resources are released.
-   * @param db 
+   * @param db database pointer
    * @param sql 
@@ -873,0 +909,0 @@ */

test/IDBBatchAtomicVFS.test.js

@@ -6,3 +6,3 @@ import { IDBBatchAtomicVFS } from "../src/examples/IDBBatchAtomicVFS.js";
 
-// jasmine.DEFAULT_TIMEOUT_INTERVAL = 300_000;
+jasmine.DEFAULT_TIMEOUT_INTERVAL = 300_000;
 
@@ -15,6 +15,2 @@ class TestVFS extends IDBBatchAtomicVFS {
 
-  handleAsync(f) {
-    return f();
-  }
-
   static instances = [];
@@ -31,5 +27,5 @@
     await new Promise((resolve, reject) => {
-      const db = indexedDB.deleteDatabase(IDB_DATABASE_NAME);
-      db.addEventListener('success', resolve);
-      db.addEventListener('error', reject);
+      const deleteRequest = indexedDB.deleteDatabase(IDB_DATABASE_NAME);
+      deleteRequest.addEventListener('success', resolve);
+      deleteRequest.addEventListener('error', reject);
     });
@@ -36,0 +32,0 @@

test/IDBMinimalVFS.test.js

@@ -18,6 +18,2 @@ import { IDBMinimalVFS } from "../src/examples/IDBMinimalVFS.js";
 
-  handleAsync(f) {
-    return f();
-  }
-
   static instances = [];
@@ -34,5 +30,5 @@
     await new Promise((resolve, reject) => {
-      const db = indexedDB.deleteDatabase(IDB_DATABASE_NAME);
-      db.addEventListener('success', resolve);
-      db.addEventListener('error', reject);
+      const deleteRequest = indexedDB.deleteDatabase(IDB_DATABASE_NAME);
+      deleteRequest.addEventListener('success', resolve);
+      deleteRequest.addEventListener('error', reject);
     });
@@ -39,0 +35,0 @@

test/sqlite-api.test.js

@@ -265,2 +265,48 @@ import { getSQLite, getSQLiteAsync } from './api-instances.js';
 
+  it('authorizer', async function() {
+    const calls = [];
+    function authFunction(userData, iActionCode, param3, param4, param5, param6) {
+      calls.push({ userData, iActionCode, param3, param4, param5, param6 });
+      if (iActionCode === SQLite.SQLITE_PRAGMA) {
+        return SQLite.SQLITE_DENY;
+      }
+      return SQLite.SQLITE_OK;
+    }
+
+    let result;
+    result = sqlite3.set_authorizer(db, authFunction, 42);
+    expect(result).toBe(SQLite.SQLITE_OK);
+
+    await sqlite3.exec(db, 'CREATE TABLE foo(x)');
+    expect(calls.length).toBeGreaterThan(0);
+    const createTable = calls.find(call => call.iActionCode === SQLite.SQLITE_CREATE_TABLE);
+    expect(createTable).toBeDefined();
+    expect(createTable.userData).toBe(42);
+    expect(createTable.param3).toBe('foo');
+    expect(createTable.param4).toBe(null);
+    expect(createTable.param5).toBe('main');
+    expect(createTable.param6).toBe(null);
+    calls.splice(0, Infinity);
+
+    await expectAsync(sqlite3.exec(db, 'PRAGMA page_count'))
+      .toBeRejectedWithError(/not authorized/);
+    calls.splice(0, Infinity);
+
+    result = sqlite3.set_authorizer(db, null, null);
+    expect(result).toBe(SQLite.SQLITE_OK);
+
+    await sqlite3.exec(db, 'CREATE TABLE bar(x)');
+    expect(calls.length).toBe(0);
+  });
+
+  it('limit', async function() {
+    let result;
+    result = sqlite3.limit(db, SQLite.SQLITE_LIMIT_SQL_LENGTH, -1);
+    expect(result).toBeGreaterThan(64);
+
+    sqlite3.limit(db, SQLite.SQLITE_LIMIT_SQL_LENGTH, 8);
+    await expectAsync(sqlite3.exec(db, 'PRAGMA page_count'))
+      .toBeRejectedWithError(/too big/);
+  });
+
   it('statements', async function() {
@@ -528,2 +574,29 @@ sinon.spy(sqlite3, 'finalize');
   });
+
+  it('progress_handler', async function() {
+    let handlerArg;
+    let handlerCount = 0;
+    function handler(userData) {
+      handlerArg = userData;
+      return ++handlerCount > 5 ? 1 : 0;
+    }
+    sqlite3.progress_handler(db, 1, handler, 42);
+
+    let result;
+    result = sqlite3.exec(db, `
+      WITH RECURSIVE numbers(n)
+        AS (SELECT 1 UNION ALL SELECT n + 1 FROM numbers LIMIT 10)
+        SELECT * FROM numbers;
+    `);
+    await expectAsync(result).toBeRejectedWithError(/interrupted/);
+    expect(handlerArg).toBe(42);
+
+    sqlite3.progress_handler(db, 0, null, 42);
+    result = sqlite3.exec(db, `
+      WITH RECURSIVE numbers(n)
+        AS (SELECT 1 UNION ALL SELECT n + 1 FROM numbers LIMIT 10)
+        SELECT * FROM numbers;
+    `);
+    await expectAsync(result).toBeResolved();
+  });
 }
@@ -530,0 +603,0 @@

New alerts

Network access

Supply chain risk

This module accesses the network.

Found 1 instance in 1 package

Long strings

Supply chain risk

Contains long string literals, which may be a sign of obfuscated or packed code.

Found 1 instance in 1 package

URL strings

Supply chain risk

Package contains fragments of external URLs or IP addresses, which the package may be accessing at runtime.

Found 1 instance in 1 package

Fixed alerts

Network access

Supply chain risk

This module accesses the network.

Found 1 instance in 1 package

Long strings

Supply chain risk

Contains long string literals, which may be a sign of obfuscated or packed code.

Found 1 instance in 1 package

URL strings

Supply chain risk

Package contains fragments of external URLs or IP addresses, which the package may be accessing at runtime.

Found 1 instance in 1 package

Improved metrics

Total package byte prevSize

3866500

38.88%

Lines of code

10412

2.4%

No dependency changes