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cpython/Tools/wasm/emscripten/node_entry.mjs
Hood Chatham 1629d2ca56
gh-126898: Emscripten support: Use es6 modules (#126903)
Modify Emscripten support to use ES6 modules.
2024-11-21 15:10:46 +11:00

31 lines
1.0 KiB
JavaScript

import EmscriptenModule from "./python.mjs";
import { dirname } from 'node:path';
import { fileURLToPath } from 'node:url';
if (process?.versions?.node) {
const nodeVersion = Number(process.versions.node.split(".", 1)[0]);
if (nodeVersion < 18) {
process.stderr.write(
`Node version must be >= 18, got version ${process.version}\n`,
);
process.exit(1);
}
}
const settings = {
preRun(Module) {
const __dirname = dirname(fileURLToPath(import.meta.url));
Module.FS.mkdirTree("/lib/");
Module.FS.mount(Module.FS.filesystems.NODEFS, { root: __dirname + "/lib/" }, "/lib/");
},
// The first three arguments are: "node", path to this file, path to
// python.sh. After that come the arguments the user passed to python.sh.
arguments: process.argv.slice(3),
// Ensure that sys.executable, sys._base_executable, etc point to python.sh
// not to this file. To properly handle symlinks, python.sh needs to compute
// its own path.
thisProgram: process.argv[2],
};
await EmscriptenModule(settings);