docs: add async examples and clarify queueMicrotask

Add code examples for async function translation based on the
async_basic integration test.

Clarify that `go` statements are translated using `queueMicrotask`.

Signed-off-by: Christian Stewart <christian@aperture.us>

Author: paralin

compiler/compile_stmt.go

@@ -147,6 +147,8 @@ func (c *GoToTSCompiler) WriteStmtSwitch(exp *ast.SwitchStmt) error {
 		if err := c.WriteValueExpr(exp.Tag); err != nil {
 			return fmt.Errorf("failed to write switch tag expression: %w", err)
 		}
+	} else {
+		c.tsw.WriteLiterally("true") // Write 'true' for switch without expression
 	}
 	c.tsw.WriteLiterally(") {")
 	c.tsw.WriteLine("")

compliance/tests/switch_statement/expected.log

@@ -2,4 +2,13 @@ Integer switch:
 two
 
 String switch:
-hello
+hello
+
+Switch without expression:
+negative
+
+Switch without expression (zero):
+zero
+
+Switch without expression (positive):
+positive

compliance/tests/switch_statement/switch_statement.go

@@ -24,4 +24,36 @@ func main() {
 	default:
 		println("other string")
 	}
+	x := -5
+	println("\nSwitch without expression:")
+	switch {
+	case x < 0:
+		println("negative")
+	case x == 0:
+		println("zero")
+	default: // x > 0
+		println("positive")
+	}
+
+	x = 0
+	println("\nSwitch without expression (zero):")
+	switch {
+	case x < 0:
+		println("negative")
+	case x == 0:
+		println("zero")
+	default: // x > 0
+		println("positive")
+	}
+
+	x = 10
+	println("\nSwitch without expression (positive):")
+	switch {
+	case x < 0:
+		println("negative")
+	case x == 0:
+		println("zero")
+	default: // x > 0
+		println("positive")
+	}
 }

compliance/tests/switch_statement/switch_statement.gs.ts

@@ -7,32 +7,72 @@ export async function main(): Promise<void> {
 	let i = 2
 	console.log("Integer switch:")
 	switch (i) {
-		case 1:
-			console.log("one")
-			break
-		case 2:
-			console.log("two")
-			break
-		case 3:
-			console.log("three")
-			break
-		default:
-			console.log("other integer")
-			break
+	case 1:
+		console.log("one")
+		break
+	case 2:
+		console.log("two")
+		break
+	case 3:
+		console.log("three")
+		break
+	default:
+		console.log("other integer")
+		break
 	}
-	
+
 	let s = "hello"
 	console.log("\nString switch:")
 	switch (s) {
-		case "world":
-			console.log("world")
-			break
-		case "hello":
-			console.log("hello")
-			break
-		default:
-			console.log("other string")
-			break
+	case "world":
+		console.log("world")
+		break
+	case "hello":
+		console.log("hello")
+		break
+	default:
+		console.log("other string")
+		break
+	}
+	let x = -5
+	console.log("\nSwitch without expression:")
+	switch (true) {
+	case x < 0:
+		console.log("negative")
+		break
+	case x == 0:
+		console.log("zero")
+		break
+	default: // x > 0
+		console.log("positive")
+		break
 	}
-}
 
+	x = 0
+	console.log("\nSwitch without expression (zero):")
+	switch (true) {
+	case x < 0:
+		console.log("negative")
+		break
+	case x == 0:
+		console.log("zero")
+		break
+	default: // x > 0
+		console.log("positive")
+		break
+	}
+
+	x = 10
+	console.log("\nSwitch without expression (positive):")
+	switch (true) {
+	case x < 0:
+		console.log("negative")
+		break
+	case x == 0:
+		console.log("zero")
+		break
+	default: // x > 0
+		console.log("positive")
+		break
+	}
+}