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[HTML5] Fix loading when mime-type is missing.

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`WebAssembly.instantiateStreaming` requires the mime-type to be
`application/wasm`, but some servers (including most debug servers) do
not provide the content-type header.

This commit forces it via JavaScript, by creating a `Response` object
with the `wasm` content, and explicitly defined `content-type` header.

(cherry picked from commit 778ef4e217)
This commit is contained in:
Fabio Alessandrelli 2021-03-20 13:35:10 +01:00 committed by Rémi Verschelde
parent 2c93256432
commit 6181452a54
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GPG key ID: C3336907360768E1
1 changed files with 1 additions and 1 deletions
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platform/javascript/js/engine/engine.js
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@ -102,7 +102,7 @@ const Engine = (function () {
const me = this;
function doInit(promise) {
return promise.then(function (response) {
return Godot(me.config.getModuleConfig(loadPath, response.clone()));
return Godot(me.config.getModuleConfig(loadPath, new Response(response.clone().body, { 'headers': [['content-type', 'application/wasm']] })));
}).then(function (module) {
const paths = me.config.persistentPaths;
return module['initFS'](paths).then(function (err) {