61 lines
2.2 KiB
JavaScript
61 lines
2.2 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 files so that it can clean
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up any global systems temporarily used for setting up the API's
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various subsystems.
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*/
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'use strict';
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(function(){
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/**
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Replace sqlite3ApiBootstrap() with a variant which plugs in the
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Emscripten-based config for all config options which the client
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does not provide.
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*/
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const SAB = self.sqlite3ApiBootstrap;
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self.sqlite3ApiBootstrap = function(apiConfig){
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apiConfig = apiConfig||{};
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const configDefaults = {
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Module: Module /* ==> Emscripten-style Module object. Currently
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needs to be exposed here for test code. NOT part
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of the public API. */,
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exports: Module['asm'],
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memory: Module.wasmMemory /* gets set if built with -sIMPORT_MEMORY */
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};
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const config = {};
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Object.keys(configDefaults).forEach(function(k){
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config[k] = Object.prototype.hasOwnProperty.call(apiConfig, k)
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? apiConfig[k] : configDefaults[k];
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});
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return SAB(config);
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};
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/**
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For current (2022-08-22) purposes, automatically call sqlite3ApiBootstrap().
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That decision will be revisited at some point, as we really want client code
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to be able to call this to configure certain parts.
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*/
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const sqlite3 = self.sqlite3ApiBootstrap();
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if(self.location && +self.location.port > 1024){
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console.warn("Installing sqlite3 bits as global S for dev-testing purposes.");
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self.S = sqlite3;
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}
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/* Clean up temporary references to our APIs... */
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delete self.sqlite3ApiBootstrap;
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Module.sqlite3 = sqlite3 /* Currently needed by test code */;
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delete sqlite3.capi.util /* arguable, but these are (currently) internal-use APIs */;
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//console.warn("Module.sqlite3 =",Module.sqlite3);
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})();
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