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[release/7.0] [wasm] Catch error from loading "node:crypto" module #80249

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Merged
merged 1 commit into from
Jan 5, 2023
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[release/7.0] [wasm] Catch error from loading "node:crypto" module #80249

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14 changes: 12 additions & 2 deletions src/mono/wasm/runtime/polyfills.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -201,8 +201,18 @@ export async function init_polyfills_async(): Promise<void> {
globalThis.crypto = <any>{};
}
if (!globalThis.crypto.getRandomValues) {
const nodeCrypto = INTERNAL.require("node:crypto");
if (nodeCrypto.webcrypto) {
let nodeCrypto: any = undefined;
try {
nodeCrypto = INTERNAL.require("node:crypto");
} catch (err: any) {
// Noop, error throwing polyfill provided bellow
}

if (!nodeCrypto) {
globalThis.crypto.getRandomValues = () => {
throw new Error("Using node without crypto support. To enable current operation, either provide polyfill for 'globalThis.crypto.getRandomValues' or enable 'node:crypto' module.");
};
} else if (nodeCrypto.webcrypto) {
globalThis.crypto = nodeCrypto.webcrypto;
} else if (nodeCrypto.randomBytes) {
globalThis.crypto.getRandomValues = (buffer: TypedArray) => {
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