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73 lines
2.7 KiB
JavaScript
73 lines
2.7 KiB
JavaScript
/*
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2022-07-22
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The author disclaims copyright to this source code. In place of a
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legal notice, here is a blessing:
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* May you do good and not evil.
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* May you find forgiveness for yourself and forgive others.
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* May you share freely, never taking more than you give.
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***********************************************************************
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This file is the tail end of the sqlite3-api.js constellation,
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intended to be appended after all other sqlite3-api-*.js files so
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that it can finalize any setup and clean up any global symbols
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temporarily used for setting up the API's various subsystems.
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In Emscripten builds it's run in the context of a Module.postRun
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handler.
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*/
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'use strict';
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if( 'undefined' !== typeof Module ){ // presumably an Emscripten build
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try{
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/**
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The WASM-environment-dependent configuration for
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sqlite3ApiBootstrap().
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*/
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const SABC = Object.assign(
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Object.create(null),
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globalThis.sqlite3ApiConfig || {}, {
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memory: ('undefined'!==typeof wasmMemory)
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? wasmMemory
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: Module['wasmMemory'],
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exports: ('undefined'!==typeof wasmExports)
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? wasmExports /* emscripten >=3.1.44 */
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: (Object.prototype.hasOwnProperty.call(Module,'wasmExports')
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? Module['wasmExports']
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: Module['asm']/* emscripten <=3.1.43 */)
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},
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);
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/** Figure out if this is a 32- or 64-bit WASM build. */
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SABC.wasmPtrIR = 'number'===(typeof SABC.exports.sqlite3_libversion())
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? 'i32' :'i64';
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/**
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For current (2022-08-22) purposes, automatically call
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sqlite3ApiBootstrap(). That decision will be revisited at some
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point, as we really want client code to be able to call this to
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configure certain parts. Clients may modify
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globalThis.sqlite3ApiBootstrap.defaultConfig to tweak the default
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configuration used by a no-args call to sqlite3ApiBootstrap(),
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but must have first loaded their WASM module in order to be
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able to provide the necessary configuration state.
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*/
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//console.warn("globalThis.sqlite3ApiConfig = ",globalThis.sqlite3ApiConfig);
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Module.sqlite3 = globalThis.sqlite3ApiBootstrap(SABC)
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/* Our customized sqlite3InitModule() in extern-post-js.js needs
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this to be able to pass the sqlite3 object off to the
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client. */;
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delete globalThis.sqlite3ApiBootstrap;
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delete globalThis.sqlite3ApiConfig;
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}catch(e){
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console.error("sqlite3ApiBootstrap() error:",e);
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throw e;
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}
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}else{
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console.warn("This is not running in an Emscripten module context, so",
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"globalThis.sqlite3ApiBootstrap() is _not_ being called due to lack",
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"of config info for the WASM environment.",
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"It must be called manually.");
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}
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