n8n/packages/nodes-base/nodes/Code/Pyodide.ts

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import type { PyodideInterface } from 'pyodide';
let pyodideInstance: PyodideInterface | undefined;
export async function LoadPyodide(): Promise<PyodideInterface> {
if (pyodideInstance === undefined) {
// TODO: Find better way to suppress warnings
//@ts-ignore
globalThis.Blob = (await import('node:buffer')).Blob;
// From: https://github.com/nodejs/node/issues/30810
const { emitWarning } = process;
process.emitWarning = (warning, ...args) => {
if (args[0] === 'ExperimentalWarning') {
return;
}
if (args[0] && typeof args[0] === 'object' && args[0].type === 'ExperimentalWarning') {
return;
}
return emitWarning(warning, ...(args as string[]));
};
const { loadPyodide } = await import('pyodide');
pyodideInstance = await loadPyodide();
}
return pyodideInstance;
}