fix: avoid stack in error messages (#391)

src/index.js

@@ -148,7 +148,11 @@ export default async function stylusLoader(source) {
         this.addDependency(path.normalize(error.filename));
       }
 
-      callback(error);
+      const obj = new Error(error.message, { cause: error });
+
+      obj.stack = null;
+
+      callback(obj);
 
       return;
     }

test/__snapshots__/loader.test.js.snap

@@ -679,7 +679,7 @@ exports[`loader should emit error when imports files listed as glob in empty dir
 exports[`loader should emit error when parse error: errors 1`] = `
 [
   "ModuleBuildError: Module build failed (from \`replaced original path\`):
-ParseError: /test/fixtures/parse-error.styl:3:1",
+/test/fixtures/parse-error.styl:3:1",
   "ModuleError: Module Error (from \`replaced original path\`):
 expected "indent", got "eos"",
 ]
@@ -770,6 +770,17 @@ Stylus resolver error: import loop has been found",
 
 exports[`loader should throw an error on circular imports: warnings 1`] = `[]`;
 
+exports[`loader should throw an error: errors 1`] = `
+[
+  "ModuleBuildError: Module build failed (from \`replaced original path\`):
+/test/fixtures/broken.styl:1:8",
+  "ModuleError: Module Error (from \`replaced original path\`):
+expected "indent", got ";"",
+]
+`;
+
+exports[`loader should throw an error: warnings 1`] = `[]`;
+
 exports[`loader should use .json file: css 1`] = `
 "@media screen and (min-width: 1px) and (max-width: 400px) {
   body {

test/__snapshots__/webpackImporter-options.test.js.snap

@@ -3,7 +3,7 @@
 exports[`webpackImporter option should throw an error on webpack import when value is "false": errors 1`] = `
 [
   "ModuleBuildError: Module build failed (from \`replaced original path\`):
-Error: /test/fixtures/import-webpack.styl:1:9",
+/test/fixtures/import-webpack.styl:1:9",
 ]
 `;
 

test/fixtures/broken.styl

@@ -0,0 +1 @@
+broken;

test/loader.test.js

@@ -1783,4 +1783,13 @@ describe("loader", () => {
     expect(getWarnings(stats)).toMatchSnapshot("warnings");
     expect(getErrors(stats)).toMatchSnapshot("errors");
   });
+
+  it("should throw an error", async () => {
+    const testId = "./broken.styl";
+    const compiler = getCompiler(testId);
+    const stats = await compile(compiler);
+
+    expect(getWarnings(stats)).toMatchSnapshot("warnings");
+    expect(getErrors(stats)).toMatchSnapshot("errors");
+  });
 });