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fix emscripten module loading in node

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Florian Dold 2017-05-27 19:04:07 +02:00
parent d381226f21
commit 592fd62402
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1 changed files with 27 additions and 8 deletions
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35
src/crypto/emscLoader.js
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@ -17,22 +17,41 @@
// @ts-nocheck
/**
* This module loads the emscripten library, and is written in unchecked
* JavaScript since it needs to do environment detection and dynamically select
* the right way to load the library.
*/
/**
* Load the taler emscripten lib.
*
* If in a WebWorker, importScripts is used. Inside a browser,
* the module must be globally available.
* If in a WebWorker, importScripts is used. Inside a browser, the module must
* be globally available. Inside node, require is used.
*/
export default function getLib() {
if (window.TalerEmscriptenLib) {
return TalerEmscriptenLib;
}
if (importScripts) {
export function getLib() {
if (typeof importScripts !== "undefined") {
importScripts('/src/emscripten/taler-emscripten-lib.js')
if (TalerEmscriptenLib) {
throw Error("can't import TalerEmscriptenLib");
}
return TalerEmscriptenLib
}
throw Error("Can't find TalerEmscriptenLib.");
if (typeof require !== "undefined") {
// Make sure that TypeScript doesn't try
// to check the taler-emscripten-lib.
const fn = require;
// Assume that the code is run from the build/ directory.
return fn("../../../emscripten/taler-emscripten-lib.js");
}
if (typeof window !== "undefined") {
if (window.TalerEmscriptenLib) {
return TalerEmscriptenLib;
}
throw Error("Looks like running in browser, but TalerEmscriptenLib is not defined");
}
throw Error("Running in unsupported environment");
}