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add dart2wasm support #226

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merged 2 commits into from
Apr 3, 2024
Merged

add dart2wasm support #226

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3d25587
remove old js package and use js_interop instead
konsultaner Feb 27, 2024
db68727
fix wrong conversion
konsultaner Mar 19, 2024
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13 changes: 9 additions & 4 deletions lib/src/platform_check/node_crypto.dart
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Original file line number Diff line number Diff line change
@@ -1,12 +1,17 @@
/// Wrapper for needed NodeJS Crypto library function and require.
@JS()
library nodecryto;

import 'package:js/js.dart';
import 'dart:js_interop';
import 'dart:js_interop_unsafe';

external dynamic require(String id);
@JS()
external JSObject require(String id);

@JS()
@staticInterop
class NodeCrypto {
external randomFillSync(buf);
static JSAny randomFillSync(JSAny buf) {
final crypto = require('crypto');
return crypto.callMethod('randomFillSync'.toJS, buf);
}
}
5 changes: 2 additions & 3 deletions lib/src/platform_check/web.dart
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Original file line number Diff line number Diff line change
@@ -1,8 +1,8 @@
@JS()
import 'dart:js_interop';
import 'dart:math';
import 'dart:typed_data';

import 'package:js/js.dart';
import 'package:pointycastle/src/impl/entropy.dart';

import 'node_crypto.dart';
Expand Down Expand Up @@ -56,9 +56,8 @@ class _JsBuiltInEntropySource implements EntropySource {
class _JsNodeEntropySource implements EntropySource {
@override
Uint8List getBytes(int len) {
final j = require('crypto') as NodeCrypto;
var list = Uint8List(len);
j.randomFillSync(list);
NodeCrypto.randomFillSync(list.buffer.toJS);
return list;
}
}
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