Adding the sqlite sourcecode

ext/wasm/api/post-js-header.js

@@ -0,0 +1,33 @@
+/**
+   post-js-header.js is to be prepended to other code to create
+   post-js.js for use with Emscripten's --post-js flag. This code
+   requires that it be running in that context. The Emscripten
+   environment must have been set up already but it will not have
+   loaded its WASM when the code in this file is run. The function it
+   installs will be run after the WASM module is loaded, at which
+   point the sqlite3 JS API bits will get set up.
+*/
+Module.runSQLite3PostLoadInit = function(EmscriptenModule/*the Emscripten-style module object*/){
+  /** ^^^ Don't use Module.postRun, as that runs a different time
+      depending on whether this file is built with emcc 3.1.x or
+      4.0.x. This function name is intentionally obnoxiously verbose to
+      ensure that we don't collide with current and future Emscripten
+      symbol names. */
+  'use strict';
+  //console.warn("This is the start of Module.runSQLite3PostLoadInit()");
+  /* This function will contain at least the following:
+
+     - post-js-header.js        => this file
+     - sqlite3-api-prologue.js  => Bootstrapping bits to attach the rest to
+     - common/whwasmutil.js     => Replacements for much of Emscripten's glue
+     - jaccwabyt/jaccwabyt.js   => Jaccwabyt (C/JS struct binding)
+     - sqlite3-api-glue.js      => glues previous parts together
+     - sqlite3-api-oo1.js       => SQLite3 OO API #1
+     - sqlite3-api-worker1.js   => Worker-based API
+     - sqlite3-vfs-helper.c-pp.js  => Utilities for VFS impls
+     - sqlite3-vtab-helper.c-pp.js => Utilities for virtual table impls
+     - sqlite3-vfs-opfs.c-pp.js => OPFS VFS
+     - sqlite3-vfs-opfs-sahpool.c-pp.js => OPFS SAHPool VFS
+     - sqlite3-api-cleanup.js   => final API cleanup
+     - post-js-footer.js        => closes this function
+  */