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sql-wasm.js
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// We are modularizing this manually because the current modularize setting in Emscripten has some issues:
// https://github.com/kripken/emscripten/issues/5820
// In addition, When you use emcc's modularization, it still expects to export a global object called `Module`,
// which is able to be used/called before the WASM is loaded.
// The modularization below exports a promise that loads and resolves to the actual sql.js module.
// That way, this module can't be used before the WASM is finished loading.
// We are going to define a function that a user will call to start loading initializing our Sql.js library
// However, that function might be called multiple times, and on subsequent calls, we don't actually want it to instantiate a new instance of the Module
// Instead, we want to return the previously loaded module
// TODO: Make this not declare a global if used in the browser
var initSqlJsPromise = undefined;
var initSqlJs = function (moduleConfig) {
if (initSqlJsPromise){
return initSqlJsPromise;
}
// If we're here, we've never called this function before
initSqlJsPromise = new Promise(function (resolveModule, reject) {
// We are modularizing this manually because the current modularize setting in Emscripten has some issues:
// https://github.com/kripken/emscripten/issues/5820
// The way to affect the loading of emcc compiled modules is to create a variable called `Module` and add
// properties to it, like `preRun`, `postRun`, etc
// We are using that to get notified when the WASM has finished loading.
// Only then will we return our promise
// If they passed in a moduleConfig object, use that
// Otherwise, initialize Module to the empty object
var Module = typeof moduleConfig !== 'undefined' ? moduleConfig : {};
// EMCC only allows for a single onAbort function (not an array of functions)
// So if the user defined their own onAbort function, we remember it and call it
var originalOnAbortFunction = Module['onAbort'];
Module['onAbort'] = function (errorThatCausedAbort) {
reject(new Error(errorThatCausedAbort));
if (originalOnAbortFunction){
originalOnAbortFunction(errorThatCausedAbort);
}
};
Module['postRun'] = Module['postRun'] || [];
Module['postRun'].push(function () {
// When Emscripted calls postRun, this promise resolves with the built Module
resolveModule(Module);
});
// There is a section of code in the emcc-generated code below that looks like this:
// (Note that this is lowercase `module`)
// if (typeof module !== 'undefined') {
// module['exports'] = Module;
// }
// When that runs, it's going to overwrite our own modularization export efforts in shell-post.js!
// The only way to tell emcc not to emit it is to pass the MODULARIZE=1 or MODULARIZE_INSTANCE=1 flags,
// but that carries with it additional unnecessary baggage/bugs we don't want either.
// So, we have three options:
// 1) We undefine `module`
// 2) We remember what `module['exports']` was at the beginning of this function and we restore it later
// 3) We write a script to remove those lines of code as part of the Make process.
//
// Since those are the only lines of code that care about module, we will undefine it. It's the most straightforward
// of the options, and has the side effect of reducing emcc's efforts to modify the module if its output were to change in the future.
// That's a nice side effect since we're handling the modularization efforts ourselves
module = undefined;
// The emcc-generated code and shell-post.js code goes below,
// meaning that all of it runs inside of this promise. If anything throws an exception, our promise will abort
var e;e||(e=typeof Module !== 'undefined' ? Module : {});null;
e.onRuntimeInitialized=function(){function a(g,m){switch(typeof m){case "boolean":gc(g,m?1:0);break;case "number":hc(g,m);break;case "string":ic(g,m,-1,-1);break;case "object":if(null===m)kb(g);else if(null!=m.length){var n=aa(m);jc(g,n,m.length,-1);ba(n)}else xa(g,"Wrong API use : tried to return a value of an unknown type ("+m+").",-1);break;default:kb(g)}}function b(g,m){for(var n=[],p=0;p<g;p+=1){var v=l(m+4*p,"i32"),y=kc(v);if(1===y||2===y)v=lc(v);else if(3===y)v=mc(v);else if(4===y){y=v;v=nc(y);
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"number",["number","number"]),Cc=k("sqlite3_column_type","number",["number","number"]),Dc=k("sqlite3_column_name","string",["number","number"]),Ec=k("sqlite3_reset","number",["number"]),Fc=k("sqlite3_clear_bindings","number",["number"]),Gc=k("sqlite3_finalize","number",["number"]),rb=k("sqlite3_create_function_v2","number","number string number number number number number number number".split(" ")),kc=k("sqlite3_value_type","number",["number"]),nc=k("sqlite3_value_bytes","number",["number"]),mc=k("sqlite3_value_text",
"string",["number"]),oc=k("sqlite3_value_blob","number",["number"]),lc=k("sqlite3_value_double","number",["number"]),hc=k("sqlite3_result_double","",["number","number"]),kb=k("sqlite3_result_null","",["number"]),ic=k("sqlite3_result_text","",["number","string","number","number"]),jc=k("sqlite3_result_blob","",["number","number","number","number"]),gc=k("sqlite3_result_int","",["number","number"]),xa=k("sqlite3_result_error","",["number","string","number"]),sb=k("sqlite3_aggregate_context","number",
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function(g){null==g&&(g=this.Ja,this.Ja+=1);g=qb(this.La,g);if("function"!==typeof BigInt)throw Error("BigInt is not supported");return BigInt(g)};c.prototype.Db=function(g){null==g&&(g=this.Ja,this.Ja+=1);return qb(this.La,g)};c.prototype.getBlob=function(g){null==g&&(g=this.Ja,this.Ja+=1);var m=Bc(this.La,g);g=Ac(this.La,g);for(var n=new Uint8Array(m),p=0;p<m;p+=1)n[p]=r[g+p];return n};c.prototype.get=function(g,m){m=m||{};null!=g&&this.bind(g)&&this.step();g=[];for(var n=yc(this.La),p=0;p<n;p+=
1)switch(Cc(this.La,p)){case 1:var v=m.useBigInt?this.Cb(p):this.sb(p);g.push(v);break;case 2:g.push(this.sb(p));break;case 3:g.push(this.Db(p));break;case 4:g.push(this.getBlob(p));break;default:g.push(null)}return g};c.prototype.getColumnNames=function(){for(var g=[],m=xc(this.La),n=0;n<m;n+=1)g.push(Dc(this.La,n));return g};c.prototype.getAsObject=function(g,m){g=this.get(g,m);m=this.getColumnNames();for(var n={},p=0;p<m.length;p+=1)n[m[p]]=g[p];return n};c.prototype.getSQL=function(){return nb(this.La)};
c.prototype.getNormalizedSQL=function(){return qc(this.La)};c.prototype.run=function(g){null!=g&&this.bind(g);this.step();return this.reset()};c.prototype.nb=function(g,m){null==m&&(m=this.Ja,this.Ja+=1);g=ma(g);var n=aa(g);this.fb.push(n);this.db.handleError(rc(this.La,m,n,g.length-1,0))};c.prototype.wb=function(g,m){null==m&&(m=this.Ja,this.Ja+=1);var n=aa(g);this.fb.push(n);this.db.handleError(pb(this.La,m,n,g.length,0))};c.prototype.mb=function(g,m){null==m&&(m=this.Ja,this.Ja+=1);this.db.handleError((g===
(g|0)?tc:sc)(this.La,m,g))};c.prototype.zb=function(g){null==g&&(g=this.Ja,this.Ja+=1);pb(this.La,g,0,0,0)};c.prototype.ob=function(g,m){null==m&&(m=this.Ja,this.Ja+=1);switch(typeof g){case "string":this.nb(g,m);return;case "number":this.mb(g,m);return;case "bigint":this.nb(g.toString(),m);return;case "boolean":this.mb(g+0,m);return;case "object":if(null===g){this.zb(m);return}if(null!=g.length){this.wb(g,m);return}}throw"Wrong API use : tried to bind a value of an unknown type ("+g+").";};c.prototype.yb=
function(g){var m=this;Object.keys(g).forEach(function(n){var p=uc(m.La,n);0!==p&&m.ob(g[n],p)});return!0};c.prototype.xb=function(g){for(var m=0;m<g.length;m+=1)this.ob(g[m],m+1);return!0};c.prototype.reset=function(){this.freemem();return 0===Fc(this.La)&&0===Ec(this.La)};c.prototype.freemem=function(){for(var g;void 0!==(g=this.fb.pop());)ba(g)};c.prototype.free=function(){this.freemem();var g=0===Gc(this.La);delete this.db.Za[this.La];this.La=0;return g};d.prototype.next=function(){if(null===
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e.stackAlloc=B;e.stackSave=oa;e.stackRestore=qa;e.cwrap=function(a,b,c,d){c=c||[];var f=c.every(h=>"number"===h||"boolean"===h);return"string"!==b&&f&&!d?e["_"+a]:function(){return Uc(a,b,c,arguments)}};var Xc;Ya=function Yc(){Xc||Zc();Xc||(Ya=Yc)};
function Zc(){function a(){if(!Xc&&(Xc=!0,e.calledRun=!0,!Ka)){e.noFSInit||ac||(ac=!0,$b(),e.stdin=e.stdin,e.stdout=e.stdout,e.stderr=e.stderr,e.stdin?cc("stdin",e.stdin):Sb("/dev/tty","/dev/stdin"),e.stdout?cc("stdout",null,e.stdout):Sb("/dev/tty","/dev/stdout"),e.stderr?cc("stderr",null,e.stderr):Sb("/dev/tty1","/dev/stderr"),ja("/dev/stdin",0),ja("/dev/stdout",1),ja("/dev/stderr",1));Db=!1;cb(Ta);if(e.onRuntimeInitialized)e.onRuntimeInitialized();if(e.postRun)for("function"==typeof e.postRun&&
(e.postRun=[e.postRun]);e.postRun.length;){var b=e.postRun.shift();Ua.unshift(b)}cb(Ua)}}if(!(0<Wa)){if(e.preRun)for("function"==typeof e.preRun&&(e.preRun=[e.preRun]);e.preRun.length;)Va();cb(Sa);0<Wa||(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()();Zc();
// The shell-pre.js and emcc-generated code goes above
return Module;
}); // The end of the promise being returned
return initSqlJsPromise;
} // The end of our initSqlJs function
// This bit below is copied almost exactly from what you get when you use the MODULARIZE=1 flag with emcc
// However, we don't want to use the emcc modularization. See shell-pre.js
if (typeof exports === 'object' && typeof module === 'object'){
module.exports = initSqlJs;
// This will allow the module to be used in ES6 or CommonJS
module.exports.default = initSqlJs;
}
else if (typeof define === 'function' && define['amd']) {
define([], function() { return initSqlJs; });
}
else if (typeof exports === 'object'){
exports["Module"] = initSqlJs;
}