feat: support wasm-assemblyscript sdk (#1175)

plugins/wasm-assemblyscript/extensions/hello-world/assembly/index.ts

@@ -0,0 +1,42 @@
+export * from "@higress/proxy-wasm-assemblyscript-sdk/assembly/proxy";
+import { SetCtx, HttpContext, ProcessRequestHeadersBy, Logger, ParseResult, ParseConfigBy, RegisteTickFunc, ProcessResponseHeadersBy } from "@higress/wasm-assemblyscript/assembly";
+import { FilterHeadersStatusValues, send_http_response, stream_context } from "@higress/proxy-wasm-assemblyscript-sdk/assembly"
+import { JSON } from "assemblyscript-json/assembly";
+class HelloWorldConfig {
+}
+
+SetCtx<HelloWorldConfig>("hello-world", 
+  [ParseConfigBy<HelloWorldConfig>(parseConfig), 
+   ProcessRequestHeadersBy<HelloWorldConfig>(onHttpRequestHeaders),
+   ProcessResponseHeadersBy<HelloWorldConfig>(onHttpResponseHeaders)
+  ])
+
+function parseConfig(json: JSON.Obj): ParseResult<HelloWorldConfig> {
+  RegisteTickFunc(2000, () => {
+    Logger.Debug("tick 2s");
+  })
+  RegisteTickFunc(5000, () => {
+    Logger.Debug("tick 5s");
+  })
+  return new ParseResult<HelloWorldConfig>(new HelloWorldConfig(), true);
+}
+
+class TestContext{
+  value: string
+  constructor(value: string){
+    this.value = value
+  }
+}
+function onHttpRequestHeaders(context: HttpContext, config: HelloWorldConfig): FilterHeadersStatusValues {
+  stream_context.headers.request.add("hello", "world");
+  Logger.Debug("[hello-world] logger test");
+  context.SetContext("test-set-context", changetype<usize>(new TestContext("value")))
+  send_http_response(200, "hello-world", String.UTF8.encode("[wasm-assemblyscript]hello world"), []);
+  return FilterHeadersStatusValues.Continue;
+}
+
+function onHttpResponseHeaders(context: HttpContext, config: HelloWorldConfig): FilterHeadersStatusValues {
+  const str = changetype<TestContext>(context.GetContext("test-set-context")).value;
+  Logger.Debug("[hello-world] test-set-context: " + str);
+  return FilterHeadersStatusValues.Continue;
+}

plugins/wasm-assemblyscript/extensions/hello-world/assembly/tsconfig.json

@@ -0,0 +1,6 @@
+{
+  "extends": "assemblyscript/std/assembly.json",
+  "include": [
+    "./**/*.ts"
+  ]
+}