fix: respect the compress option

src/utils.js

@@ -34,7 +34,10 @@ function getStylusOptions(loaderContext, loaderOptions) {
       ? stylusOptions.resolveURL
       : { nocheck: true };
 
-  if (!stylusOptions.compress && isProductionLikeMode(loaderContext)) {
+  if (
+    typeof stylusOptions.compress === "undefined" &&
+    isProductionLikeMode(loaderContext)
+  ) {
     stylusOptions.compress = true;
   }
 

test/__snapshots__/loader.test.js.snap

@@ -917,6 +917,28 @@ exports[`loader should work "use" option: errors 1`] = `Array []`;
 
 exports[`loader should work "use" option: warnings 1`] = `Array []`;
 
+exports[`loader should work and respect the "compress" option with the "false" value: css 1`] = `
+"body {
+  font: 12px Helvetica, Arial, sans-serif;
+}
+a.button {
+  -webkit-border-radius: 5px;
+  -moz-border-radius: 5px;
+  border-radius: 5px;
+}
+"
+`;
+
+exports[`loader should work and respect the "compress" option with the "false" value: errors 1`] = `Array []`;
+
+exports[`loader should work and respect the "compress" option with the "false" value: warnings 1`] = `Array []`;
+
+exports[`loader should work and respect the "compress" option with the "true" value: css 1`] = `"body{font:12px Helvetica,Arial,sans-serif}a.button{-webkit-border-radius:5px;-moz-border-radius:5px;border-radius:5px}"`;
+
+exports[`loader should work and respect the "compress" option with the "true" value: errors 1`] = `Array []`;
+
+exports[`loader should work and respect the "compress" option with the "true" value: warnings 1`] = `Array []`;
+
 exports[`loader should work binop import: css 1`] = `
 ".not-real-nib {
   color: #000;

test/loader.test.js

@@ -1509,6 +1509,56 @@ describe("loader", () => {
     expect(getErrors(stats)).toMatchSnapshot("errors");
   });
 
+  it('should work and respect the "compress" option with the "true" value', async () => {
+    const testId = "./basic.styl";
+    const compiler = getCompiler(
+      testId,
+      {
+        stylusOptions: {
+          compress: true,
+        },
+      },
+      { mode: "production" }
+    );
+    const stats = await compile(compiler);
+    const codeFromBundle = getCodeFromBundle(stats, compiler);
+    const codeFromStylus = await getCodeFromStylus(testId, {
+      stylusOptions: {
+        compress: true,
+      },
+    });
+
+    expect(codeFromBundle.css).toBe(codeFromStylus.css);
+    expect(codeFromBundle.css).toMatchSnapshot("css");
+    expect(getWarnings(stats)).toMatchSnapshot("warnings");
+    expect(getErrors(stats)).toMatchSnapshot("errors");
+  });
+
+  it('should work and respect the "compress" option with the "false" value', async () => {
+    const testId = "./basic.styl";
+    const compiler = getCompiler(
+      testId,
+      {
+        stylusOptions: {
+          compress: false,
+        },
+      },
+      { mode: "production" }
+    );
+    const stats = await compile(compiler);
+    const codeFromBundle = getCodeFromBundle(stats, compiler);
+    const codeFromStylus = await getCodeFromStylus(testId, {
+      stylusOptions: {
+        compress: false,
+      },
+    });
+
+    expect(codeFromBundle.css).toBe(codeFromStylus.css);
+    expect(codeFromBundle.css).toMatchSnapshot("css");
+    expect(getWarnings(stats)).toMatchSnapshot("warnings");
+    expect(getErrors(stats)).toMatchSnapshot("errors");
+  });
+
   it("should use .json file", async () => {
     const testId = "./json/index.styl";
     const compiler = getCompiler(testId, {