fix: invalid dependencies with working directory (#531)

Author: alexander-akait

Diff for: src/utils.js

@@ -135,7 +135,11 @@ function createWebpackLessPlugin(loaderContext, implementation) {
         return super.loadFile(result, ...args);
       }
 
-      loaderContext.addDependency(path.normalize(result.filename));
+      const absoluteFilename = path.isAbsolute(result.filename)
+        ? result.filename
+        : path.resolve(".", result.filename);
+
+      loaderContext.addDependency(path.normalize(absoluteFilename));
 
       return result;
     }

Diff for: test/__snapshots__/loader.test.js.snap

@@ -378,6 +378,23 @@ exports[`loader should resolve all imports: errors 1`] = `[]`;
 
 exports[`loader should resolve all imports: warnings 1`] = `[]`;
 
+exports[`loader should resolve in working directory: css 1`] = `
+".test {
+  color: red;
+}
+a {
+  color: red;
+}
+body {
+  margin: 0;
+}
+"
+`;
+
+exports[`loader should resolve in working directory: errors 1`] = `[]`;
+
+exports[`loader should resolve in working directory: warnings 1`] = `[]`;
+
 exports[`loader should resolve nested imports: css 1`] = `
 ".top-import {
   background: red;

Diff for: test/fixtures/3rd/b.less

@@ -0,0 +1 @@
+a{color:red}

Diff for: test/fixtures/resolve-working-directory/index.less

@@ -0,0 +1,6 @@
+@import './resolve-working-directory-a.less';
+@import '3rd/b.less';
+
+body {
+    margin: 0;
+}

Diff for: test/fixtures/resolve-working-directory/resolve-working-directory-a.less

@@ -0,0 +1,3 @@
+.test {
+  color: red;
+}

Diff for: test/helpers/getCodeFromLess.js

@@ -133,6 +133,14 @@ const pathMap = {
     "less-package-2",
     "index.less"
   ),
+  "./resolve-working-directory-a.less": path.resolve(
+    __dirname,
+    "..",
+    "fixtures",
+    "resolve-working-directory",
+    "resolve-working-directory-a.less"
+  ),
+  "3rd/b.less": path.resolve(__dirname, "..", "fixtures", "3rd", "b.less"),
 };
 
 class ResolvePlugin extends less.FileManager {

Diff for: test/loader.test.js

@@ -869,6 +869,25 @@ describe("loader", () => {
     expect(getErrors(stats)).toMatchSnapshot("errors");
   });
 
+  it("should resolve in working directory", async () => {
+    const oldCwd = process.cwd();
+
+    process.chdir(path.resolve(__dirname, "fixtures"));
+
+    const testId = "./resolve-working-directory/index.less";
+    const compiler = getCompiler(testId);
+    const stats = await compile(compiler);
+    const codeFromBundle = getCodeFromBundle(stats, compiler);
+    const codeFromLess = await getCodeFromLess(testId);
+
+    expect(codeFromBundle.css).toBe(codeFromLess.css);
+    expect(codeFromBundle.css).toMatchSnapshot("css");
+    expect(getWarnings(stats)).toMatchSnapshot("warnings");
+    expect(getErrors(stats)).toMatchSnapshot("errors");
+
+    process.chdir(oldCwd);
+  });
+
   // TODO bug on windows
   it.skip("should work with circular imports", async () => {
     const testId = "./circular.less";