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Add Engine.setWebAssemblyFilenameExtension()

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Some web game hosts only allow certain filename extensions. If .wasm is
not allowed, this function allows overriding the WebAssembly filename
extension to work around that restriction.
This commit is contained in:
Leon Krause 2018-05-10 13:30:29 +02:00
parent 0f930f8314
commit 32eb3e1b7d
1 changed files with 10 additions and 1 deletions
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11
platform/javascript/engine.js
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@ -10,6 +10,7 @@
var DOWNLOAD_ATTEMPTS_MAX = 4;
var basePath = null;
var wasmFilenameExtensionOverride = null;
var engineLoadPromise = null;
var loadingFiles = {};
@ -299,6 +300,14 @@
return !!testContext;
};
Engine.setWebAssemblyFilenameExtension = function(override) {
if (String(override).length === 0) {
throw new Error('Invalid WebAssembly filename extension override');
}
wasmFilenameExtensionOverride = String(override);
}
Engine.load = function(newBasePath) {
if (newBasePath !== undefined) basePath = getBasePath(newBasePath);
@ -306,7 +315,7 @@
if (typeof WebAssembly !== 'object')
return Promise.reject(new Error("Browser doesn't support WebAssembly"));
// TODO cache/retrieve module to/from idb
engineLoadPromise = loadPromise(basePath + '.wasm').then(function(xhr) {
engineLoadPromise = loadPromise(basePath + '.' + (wasmFilenameExtensionOverride || 'wasm')).then(function(xhr) {
return xhr.response;
});
engineLoadPromise = engineLoadPromise.catch(function(err) {