feat(web-host): add echogo plugin with e2e test

Author: topheman

packages/web-host/src/hooks/exampleCommands.ts

@@ -55,8 +55,12 @@ const commands = [
   "man weather",
   "help",
   "echoc This is the same as `echo`, implemented in C",
-  "echoc try `man echo` vs `man echoc`",
+  "echogo Same, but in Go",
+  "echoc Whole C toolchain available",
+  "echogo Whole Go toolchain available",
+  "echo try `man echo` vs `man echoc` vs `man echogo`",
   "echoc qux",
+  "echogo qux",
 ];
 
 export function useGetExampleCommand() {

packages/web-host/src/utils/github.ts

@@ -8,6 +8,8 @@ const pluginSourceUrlMapping = {
   cat: "https://github.com/topheman/webassembly-component-model-experiments/tree/master/crates/plugin-cat",
   echoc:
     "https://github.com/topheman/webassembly-component-model-experiments/blob/master/c_modules/plugin-echo/component.c",
+  echogo:
+    "https://github.com/topheman/webassembly-component-model-experiments/blob/master/go_modules/plugin-echo/main.go",
   tee: "https://github.com/topheman/webassembly-component-model-experiments/tree/master/crates/plugin-tee",
 } as const;
 

packages/web-host/src/wasm/engine.ts

@@ -43,6 +43,7 @@ async function loadPlugins({
     import("./generated/plugin_cat/transpiled/plugin_cat.js"),
     import("./generated/plugin_tee/transpiled/plugin_tee.js"),
     import("./generated/plugin-echo-c/transpiled/plugin-echo-c.js"),
+    import("./generated/plugin-echo-go/transpiled/plugin-echo-go.js"),
   ]).then((plugins) =>
     plugins.map((plugin) => {
       // Since we `allowHtml`, which will `dangerouslySetInnerHTML`, we need to sanitize the plugin name

packages/web-host/tests/repl-logic.spec.ts

@@ -74,6 +74,7 @@ test("list-commands", async ({ page }) => {
     `cat	plugin
 echo	plugin
 echoc	plugin
+echogo	plugin
 export	reserved
 greet	plugin
 help	reserved

packages/web-host/tests/repl-plugins.spec.ts

@@ -11,6 +11,11 @@ test("echoc foo", async ({ page }) => {
   await fillAndSubmitCommand(page, "echoc foo", { expectStdout: "foo" });
 });
 
+test("echogo foo", async ({ page }) => {
+  await page.goto("/#repl");
+  await fillAndSubmitCommand(page, "echogo foo", { expectStdout: "foo" });
+});
+
 test("greet World", async ({ page }) => {
   await page.goto("/#repl");
   await fillAndSubmitCommand(page, "greet World", {

scripts/prepare-wasm-files.sh

@@ -42,6 +42,7 @@ prepare_wasm_files() {
         "target/wasm32-wasip1/$mode/plugin_weather.wasm"
         "target/wasm32-wasip1/$mode/plugin_tee.wasm"
         "c_modules/plugin-echo/plugin-echo-c.wasm"
+        "go_modules/plugin-echo/plugin-echo-go.wasm"
         "target/wasm32-wasip1/$mode/repl_logic_guest.wasm"
     )