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Adjust Cloudflare WASI example #2

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Adjust Cloudflare WASI example #2

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17 changes: 9 additions & 8 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -12,7 +12,8 @@ Simple example:

```ts
import { WASI } from "@cloudflare/workers-wasi";
import argon2 from './argon2-wasi.wasm';
// @ts-ignore TS2307: Cannot find module './argon2-wasi.wasm'
import argon2 from "./argon2-wasi.wasm";

export async function invoke(args: string[]) {
const stdout = new TransformStream();
Expand All @@ -25,15 +26,15 @@ export async function invoke(args: string[]) {
const instance = new WebAssembly.Instance(argon2, {
wasi_snapshot_preview1: wasi.wasiImport,
});
await wasi.start(instance);
const errors = await stderr.readable.getReader().read();
const errorsValue = new TextDecoder().decode(errors.value);
const promise = wasi.start(instance);
const errors = stderr.readable.getReader().read();
const ret = stdout.readable.getReader().read();
const [errorsStream, resultStream, _] = await Promise.all([errors, ret, promise]);
const errorsValue = new TextDecoder().decode(errorsStream.value);
if (errorsValue) {
console.error('[invoke] stderr: ', errorsValue);
throw new Error(errorsValue);
}
const ret = await stdout.readable.getReader().read();
const retValue = new TextDecoder().decode(ret.value);
const retValue = new TextDecoder().decode(resultStream.value);
return retValue.trim();
}

Expand All @@ -42,7 +43,7 @@ export async function argon2Hash(password: string): Promise<string> {
}

export async function argon2Verify(password: string, hash: string): Promise<boolean> {
return await invoke(["verify", password, hash]) === "true";
return (await invoke(["verify", password, hash])) === "true";
}
```

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