Merge branch 'main' of https://github.com/Undalevein/Funktion

Author: MatthewSavitt

src/compiler.js

@@ -13,5 +13,6 @@ export default function compile(source, outputType) {
   if (outputType === "analyzed") return analyzed
   const optimized = optimize(analyzed)
   if (outputType === "optimized") return optimized
-  return generate(optimized)
+  const generated = generate(optimized)
+  if (outputType === "js") return generated
 }

test/compiler.test.js

@@ -1,7 +1,30 @@
-import { describe, it } from "node:test";
-import assert from "node:assert/strict";
-describe("The project setup", () => {
-  it("can at least run tests", () => {
-    assert.deepEqual(1, 1);
-  });
-});
+import { describe, it } from "node:test"
+import assert from "node:assert/strict"
+import compile from "../src/compiler.js"
+
+const sampleProgram = "print(0)"
+
+describe("The compiler", () => {
+  it("throws when the output type is missing", () => {
+    assert.throws(() => compile(sampleProgram), /Unknown output type/)
+  })
+  it("throws when the output type is unknown", () => {
+    assert.throws(() => compile(sampleProgram, "no such type"), /Unknown output type/)
+  })
+  it("accepts the parsed option", () => {
+    const compiled = compile(sampleProgram, "parsed")
+    assert(compiled.startsWith("Syntax is ok"))
+  })
+  it("accepts the analyzed option", () => {
+    const compiled = compile(sampleProgram, "analyzed")
+    assert(compiled.kind === "Program")
+  })
+  it("accepts the optimized option", () => {
+    const compiled = compile(sampleProgram, "optimized")
+    assert(compiled.kind === "Program")
+  })
+  it("generates js code when given the js option", () => {
+    const compiled = compile(sampleProgram, "js")
+    assert(compiled.startsWith("console.log(0)"))
+  })
+})