warn user if no fsl files are found

src/commands/schema/push.mjs

@@ -1,5 +1,7 @@
 //@ts-check
 
+import path from "path";
+
 import { container } from "../../cli.mjs";
 import { yargsWithCommonQueryOptions } from "../../lib/command-helpers.mjs";
 import { getSecret } from "../../lib/fauna-client.mjs";
@@ -13,10 +15,16 @@ async function doPush(argv) {
 
   const isStagedPush = !argv.active;
   const secret = await getSecret();
+  const fslFiles = await gatherFSL(argv.dir);
+  const hasLocalSchema = fslFiles.length > 0;
+  const absoluteDirPath = path.resolve(argv.dir);
+  const fsl = reformatFSL(fslFiles);
 
-  const fsl = reformatFSL(await gatherFSL(argv.dir));
-
-  if (!argv.input) {
+  if (!hasLocalSchema) {
+    logger.stdout(
+      `No schema files (*.fsl) found in '${absoluteDirPath}'. Use '--dir' to specify a different directory, or create new .fsl files in this location.`,
+    );
+  } else if (!argv.input) {
     const params = new URLSearchParams({
       force: "true",
       staged: argv.active ? "false" : "true",

test/schema/push.mjs

@@ -8,7 +8,7 @@ import { setupTestContainer as setupContainer } from "../../src/config/setup-tes
 import { reformatFSL } from "../../src/lib/schema.mjs";
 import { buildUrl, f } from "../helpers.mjs";
 
-describe("schema push", function () {
+describe.only("schema push", function () {
   const diffString =
     "\u001b[1;34m* Modifying collection `Customer`\u001b[0m at collections.fsl:2:1:\n  * Defined fields:\n\u001b[31m  - drop field `.age`\u001b[0m\n\n";
   let container, gatherFSL, fetch, logger, confirm;
@@ -31,6 +31,18 @@ describe("schema push", function () {
     gatherFSL.resolves(fsl);
   });
 
+  it("notifies the user when no schema files are found", async function () {
+    gatherFSL.resolves([]);
+
+    await run(`schema push --secret "secret"`, container);
+
+    expect(logger.stdout).to.have.been.calledWith(
+      sinon.match(
+        /^No schema files \(\*\.fsl\) found in '.*'\. Use '--dir' to specify a different directory, or create new \.fsl files in this location\.$/,
+      ),
+    );
+  });
+
   it("can push a schema without user input", async function () {
     await run(`schema push --secret "secret" --no-input`, container);