emscripten-core/emscripten

Use Fetch in preference of XMLHttpRequest (on supported platforms)

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#6,241 opened on 2018年2月13日

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good first bughelp wanted

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説明

Background

I wrote up some background on the emscripten-discuss group here.

To summarise, src/shell.js contains some calls to XMLHttpRequest (XHR). The Fetch API is a replacement for XHR, that has quite widespread support (https://caniuse.com/#search=fetch). Service Worker does not support XHR in Chrome or Firefox (I have not tested other browsers).

Affected files

src/shell.js

Proposed solution

Use Fetch in preference to XHR on supported platforms.

Known/potential problems

Fetch does not support the File URI scheme (ticket). Further analysis is required to understand how this would affect emscripten. XHR might be required as a fallback.

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