***********************************************************************
This file is the tail end of the sqlite3-api.js constellation,
- intended to be appended after all other files so that it can clean
- up any global systems temporarily used for setting up the API's
- various subsystems.
+ intended to be appended after all other sqlite3-api-*.js files so
+ that it can finalize any setup and clean up any global symbols
+ temporarily used for setting up the API's various subsystems.
*/
'use strict';
-(function(){
+if('undefined' !== typeof Module){ // presumably an Emscripten build
/**
Replace sqlite3ApiBootstrap() with a variant which plugs in the
Emscripten-based config for all config options which the client
*/
const SAB = self.sqlite3ApiBootstrap;
self.sqlite3ApiBootstrap = function(apiConfig){
- apiConfig = apiConfig||{};
+ apiConfig = apiConfig || {};
const configDefaults = {
Module: Module /* ==> Emscripten-style Module object. Currently
needs to be exposed here for test code. NOT part
};
const config = {};
Object.keys(configDefaults).forEach(function(k){
- config[k] = Object.prototype.hasOwnProperty.call(apiConfig, k)
+ config[k] = Object.getOwnPropertyDescriptor(apiConfig, k)
? apiConfig[k] : configDefaults[k];
});
+ // Copy over any properties apiConfig defines but configDefaults does not...
+ Object.keys(apiConfig).forEach(function(k){
+ if(!Object.getOwnPropertyDescriptor(config, k)){
+ config[k] = apiConfig[k];
+ }
+ });
return SAB(config);
};
/**
- For current (2022-08-22) purposes, automatically call sqlite3ApiBootstrap().
- That decision will be revisited at some point, as we really want client code
- to be able to call this to configure certain parts.
- */
- const sqlite3 = self.sqlite3ApiBootstrap();
+ For current (2022-08-22) purposes, automatically call
+ sqlite3ApiBootstrap(). That decision will be revisited at some
+ point, as we really want client code to be able to call this to
+ configure certain parts. If the global sqliteApiConfig property
+ is available, it is assumed to be a config object for
+ sqlite3ApiBootstrap().
+ */
+ //console.warn("self.sqlite3ApiConfig = ",self.sqlite3ApiConfig);
+ const sqlite3 = self.sqlite3ApiBootstrap(self.sqlite3ApiConfig || Object.create(null));
+ delete self.sqlite3ApiBootstrap;
if(self.location && +self.location.port > 1024){
console.warn("Installing sqlite3 bits as global S for dev-testing purposes.");
}
/* Clean up temporary references to our APIs... */
- delete self.sqlite3ApiBootstrap;
- Module.sqlite3 = sqlite3 /* Currently needed by test code */;
delete sqlite3.capi.util /* arguable, but these are (currently) internal-use APIs */;
//console.warn("Module.sqlite3 =",Module.sqlite3);
-})();
+ Module.sqlite3 = sqlite3 /* Currently needed by test code and sqlite3-worker1.js */;
+}
return sqlite3ApiBootstrap.sqlite3;
}
- apiConfig = apiConfig||{};
+ apiConfig = apiConfig || {};
const config = Object.create(null);
{
const configDefaults = {
persistentDirName: '/persistent'
};
Object.keys(configDefaults).forEach(function(k){
- config[k] = Object.prototype.hasOwnProperty.call(apiConfig, k)
+ config[k] = Object.getOwnPropertyDescriptor(apiConfig, k)
? apiConfig[k] : configDefaults[k];
});
+ // Copy over any properties apiConfig defines but configDefaults does not...
+ Object.keys(apiConfig).forEach(function(k){
+ if(!Object.getOwnPropertyDescriptor(config, k)){
+ config[k] = apiConfig[k];
+ }
+ });
}
/** Throws a new Error, the message of which is the concatenation
}
f.ui.status.classList.add('hidden');
}
+ },
+ /**
+ Config options used by the Emscripten-dependent initialization
+ which happens via this.initSqlite3(). This object gets
+ (indirectly) passed to sqlite3ApiBootstrap() to configure the
+ sqlite3 API.
+ */
+ sqlite3ApiConfig: {
+ persistentDirName: "/persistent"
+ },
+ /**
+ Intended to be called by apps which need to call the
+ Emscripten-installed sqlite3InitModule() routine. This function
+ temporarily installs this.sqlite3ApiConfig into the self
+ object, calls it sqlite3InitModule(), and removes
+ self.sqlite3ApiConfig after initialization is done. Returns the
+ promise from sqlite3InitModule(), and the next then() handler
+ will get the Emscripten module object as its argument. That
+ module has the sqlite3's main namespace object installed as its
+ `sqlite3` property.
+ */
+ initSqlite3: function(){
+ self.sqlite3ApiConfig = this.sqlite3ApiConfig;
+ return self.sqlite3InitModule(this).then(function(M){
+ delete self.sqlite3ApiConfig;
+ return M;
+ });
}
};
})(self/*window or worker*/);
oo = sqlite3.oo1,
wasm = capi.wasm;
- const dbDir = 1 ? "" : capi.sqlite3_web_persistent_dir();
- const db = new oo.DB(dbDir+"/mydb.sqlite3");
+ const dbName = (
+ 0 ? "" : capi.sqlite3_web_persistent_dir()
+ )+"/mydb.sqlite3"
+ if(0 && capi.sqlite3_web_persistent_dir()){
+ capi.sqlite3_wasm_vfs_unlink(dbName);
+ }
+ const db = new oo.DB(dbName);
log("db =",db.filename);
/**
Never(!) rely on garbage collection to clean up DBs and
}/*demo1()*/;
const runDemos = function(Module){
- //log("Module",Module);
+ //log("Module.sqlite3",Module);
const sqlite3 = Module.sqlite3,
capi = sqlite3.capi;
log("Loaded module:",capi.sqlite3_libversion(), capi.sqlite3_sourceid());
}
};
- sqlite3InitModule(self.sqlite3TestModule).then(runDemos);
+ //self.sqlite3TestModule.sqlite3ApiConfig.persistentDirName = "/hi";
+ self.sqlite3TestModule.initSqlite3().then(runDemos);
})();
log('capi.wasm.exports',capi.wasm.exports);
};
- sqlite3InitModule(self.sqlite3TestModule).then(function(theModule){
- /** Use a timeout so that we are (hopefully) out from under
- the module init stack when our setup gets run. Just on
- principle, not because we _need_ to be. */
- //console.debug("theModule =",theModule);
- //setTimeout(()=>runTests(theModule), 0);
- // ^^^ Chrome warns: "VIOLATION: setTimeout() handler took A WHOLE 50ms!"
+ self.sqlite3TestModule.initSqlite3().then(function(theModule){
self._MODULE = theModule /* this is only to facilitate testing from the console */
runTests(theModule);
});
-C Merge\sin\strunk.
-D 2022-08-22T14:03:11.661
+C More\sexperimentation\swith\show\sclient-side\sconfig\sstate\scan\sbe\spassed\son\sto\sinitialize\sthe\sJS-side\ssqlite3\sAPI.
+D 2022-08-22T21:37:17.339
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\ No newline at end of file
+ea2acc454c012a62556f6d0623d6eff60736d24aa214a64462b423623ef44d47
\ No newline at end of file
projects / thirdparty / sqlite.git / commitdiff
