In case I was not clear above ... in emscripten/src/shell.js, the following
test sets the environment to web or node:
ENVIRONMENT_IS_WEB = typeof window === 'object';
ENVIRONMENT_IS_WORKER = typeof importScripts === 'function';
ENVIRONMENT_IS_NODE = typeof process === 'object' && typeof require ===
'function' && !ENVIRONMENT_IS_WEB && !ENVIRONMENT_IS_WORKER;
So once web is detected, node cannot be set. In particular, an Electron web
page contains "window" of type "object" and therefore the environment is
set to "web", even if node has been enabled within that web page.
As a result, it is not possible to mount the NODEFS file system, even
though node is present to do so. Failure takes place in mount() at the
assertion in src/library_nodefs.js:
mount: function (mount) {
assert(ENVIRONMENT_IS_NODE);
return NODEFS.createNode(null, '/', NODEFS.getMode(mount.opts.root),
0);
},
Is there a reason why once the web environment is detected, it cannot be
reset to node, if node features are present?
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