softReset method

@override void softReset()

Wipe tenant state while keeping the same native engine and instance id. Used by JsEnginePool with EngineResetMode.soft.

Implementation

@override
void softReset() {
  if (_disposed) {
    throw StateError('QuickJsRuntime2 is disposed');
  }
  releaseHostCaches();
  localContext.clear();
  dartContext.clear();
  try {
    disposeChannelFunctions();
  } catch (_) {}
  if (_rt == null) {
    _needsInitialization = false;
    init();
    return;
  }
  // Drop user own-props; [init] reinstalls sendMessage / console / setTimeout.
  evaluate(r'''
    (function () {
      var g = globalThis;
      var keep = {
        Object: 1, Function: 1, Array: 1, Number: 1, parseFloat: 1, parseInt: 1,
        Infinity: 1, NaN: 1, undefined: 1, Boolean: 1, String: 1, Symbol: 1,
        Date: 1, Promise: 1, RegExp: 1, Error: 1, EvalError: 1, RangeError: 1,
        ReferenceError: 1, SyntaxError: 1, TypeError: 1, URIError: 1,
        globalThis: 1, Math: 1, JSON: 1, Reflect: 1, Proxy: 1, Map: 1, Set: 1,
        WeakMap: 1, WeakSet: 1, ArrayBuffer: 1, SharedArrayBuffer: 1,
        DataView: 1, Int8Array: 1, Uint8Array: 1, Uint8ClampedArray: 1,
        Int16Array: 1, Uint16Array: 1, Int32Array: 1, Uint32Array: 1,
        Float32Array: 1, Float64Array: 1, BigInt64Array: 1, BigUint64Array: 1,
        BigInt: 1, WeakRef: 1, FinalizationRegistry: 1, Atomics: 1,
        encodeURI: 1, encodeURIComponent: 1, decodeURI: 1, decodeURIComponent: 1,
        escape: 1, unescape: 1, isFinite: 1, isNaN: 1, eval: 1
      };
      var names = Object.getOwnPropertyNames(g);
      for (var i = 0; i < names.length; i++) {
        var k = names[i];
        if (keep[k]) continue;
        try { delete g[k]; } catch (e) {}
      }
    })();
  ''');
  try {
    runGC();
  } catch (_) {}
  init();
}