Fix Redocly automatic config loading

Author: drwpow

packages/openapi-typescript/bin/cli.js

@@ -161,14 +161,16 @@ async function main() {
     }
     await Promise.all(
       Object.entries(redoc.apis).map(async ([name, api]) => {
-        const configRoot = redoc?.configFile
-          ? new URL(`file://${redoc.configFile}`)
-          : CWD;
+        let configRoot = CWD;
+        if (redoc?.configFile) {
+          configRoot = new URL(redoc.configFile, `file://${process.cwd()}/`);
+        }
         if (!api["openapi-ts"]?.output) {
           errorAndExit(
             `API ${name} is missing an \`openapi-ts.output\` key. See https://openapi-ts.pages.dev/cli/#multiple-schemas.`,
           );
         }
+        console.log({ root: api.root, configRoot: configRoot.href });
         const result = await generateSchema(new URL(api.root, configRoot), {
           redoc, // TODO: merge API overrides better?
         });

packages/openapi-typescript/test/cli.test.ts

@@ -114,15 +114,33 @@ describe("CLI", () => {
     });
   });
 
-  describe("Redocly config", () => {
-    test("accepts multiple APIs", async () => {
-      await execa(cmd, ["--redoc", "test/fixtures/redocly/redocly.yaml"], {
+  describe.only("Redocly config", () => {
+    test("automatic config", async () => {
+      /* eslint-disable @typescript-eslint/no-shadow */
+
+      // note: we have to change the cwd here for the automatic config to pick up properly
+      const root = new URL("./fixtures/redocly/", import.meta.url);
+      const cwd = os.platform() === "win32" ? fileURLToPath(root) : root;
+
+      await execa("../../../bin/cli.js", { cwd });
+      for (const schema of ["a", "b", "c"]) {
+        expect(
+          fs.readFileSync(new URL(`./output/${schema}.ts`, root), "utf8"),
+        ).toMatchFileSnapshot(
+          fileURLToPath(new URL("../../../examples/simple-example.ts", root)),
+        );
+      }
+      /* eslint-enable @typescript-eslint/no-shadow */
+    });
+
+    test("--redoc config", async () => {
+      await execa(cmd, ["--redoc", "test/fixtures/redocly-flag/redocly.yaml"], {
         cwd,
       });
       for (const schema of ["a", "b", "c"]) {
         expect(
           fs.readFileSync(
-            new URL(`./test/fixtures/redocly/output/${schema}.ts`, root),
+            new URL(`./test/fixtures/redocly-flag/output/${schema}.ts`, root),
             "utf8",
           ),
         ).toMatchFileSnapshot(

packages/openapi-typescript/test/fixtures/redocly-flag/.gitignore

@@ -0,0 +1 @@
+output