nyne/flutter_qjs
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v0.3.1

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ekibun
2021-01-25 14:33:47 +08:00
parent ee110f55e1
commit 6fb2c4776b
12 changed files with 492 additions and 545 deletions
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36
lib/flutter_qjs.dart
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@@ -10,10 +10,8 @@ import 'dart:ffi';
import 'dart:isolate';
import 'package:ffi/ffi.dart';
import 'package:flutter_qjs/ffi.dart';
import 'package:flutter_qjs/wrapper.dart';
import 'isolate.dart';
import 'ffi.dart';
import 'wrapper.dart';
/// Handler function to manage js module.
typedef JsModuleHandler = String Function(String name);
@@ -21,6 +19,7 @@ typedef JsModuleHandler = String Function(String name);
/// Handler to manage unhandled promise rejection.
typedef JsHostPromiseRejectionHandler = void Function(String reason);
/// Quickjs engine for flutter.
class FlutterQjs {
Pointer _rt;
Pointer _ctx;
@@ -37,21 +36,12 @@ class FlutterQjs {
/// Handler function to manage js module.
JsHostPromiseRejectionHandler hostPromiseRejectionHandler;
/// Quickjs engine for flutter.
///
/// Pass handlers to implement js-dart interaction and resolving modules.
FlutterQjs({
this.moduleHandler,
this.stackSize,
this.hostPromiseRejectionHandler,
});
static applyFunction(Function func, List args, dynamic thisVal) {
final passThis =
RegExp("{.*thisVal.*}").hasMatch(func.runtimeType.toString());
return Function.apply(func, args, passThis ? {#thisVal: thisVal} : null);
}
_ensureEngine() {
if (_rt != null) return;
_rt = jsNewRuntime((ctx, type, ptr) {
@@ -69,10 +59,8 @@ class FlutterQjs {
)));
}
final thisVal = jsToDart(ctx, pdata.elementAt(0).value);
final func = jsToDart(ctx, pdata.elementAt(3).value);
final ret = func is QjsInvokable
? func.invoke(args, thisVal)
: applyFunction(func, args, thisVal);
JSInvokable func = jsToDart(ctx, pdata.elementAt(3).value);
final ret = func.invoke(args, thisVal);
return dartToJs(ctx, ret);
case JSChannelType.MODULE:
if (moduleHandler == null) throw Exception("No ModuleHandler");
@@ -122,7 +110,7 @@ class FlutterQjs {
}, port);
if (this.stackSize != null && this.stackSize > 0)
jsSetMaxStackSize(_rt, this.stackSize);
_ctx = jsNewContextWithPromsieWrapper(_rt);
_ctx = jsNewContext(_rt);
}
/// Free Runtime and Context which can be recreate when evaluate again.
@@ -146,18 +134,6 @@ class FlutterQjs {
break;
}
}
List jsPromises = runtimeOpaques[_rt]
.ref
.where(
(v) => v is JSPromise,
)
.toList();
for (JSPromise jsPromise in jsPromises) {
if (jsPromise.checkResolveReject()) {
jsPromise.release();
runtimeOpaques[_rt].ref.remove(jsPromise);
}
}
}
}