[TT-40] Expand output path with tilde

README.md

@@ -255,7 +255,8 @@ OPTIONS
   -h, --help                   show CLI help
   -p, --port=port              (required) [default: 3010] Port on which to run the mock server
   --pathPrefix=pathPrefix      Prefix to prepend to each endpoint path
-  --proxyBaseUrl=proxyBaseUrl  If set, the server would act as a proxy and fetch data from the given remote server
+
+  --proxyBaseUrl=proxyBaseUrl  If set, the server will act as a proxy and fetch data from the given remote server
                                instead of mocking it
 
 EXAMPLE

lib/src/io/output.ts

@@ -1,13 +1,14 @@
 import fs from "fs-extra";
 import path from "path";
+import { expandPathWithTilde } from "../utilities/expand-path-with-tilde";
 
 export function outputFile(
   outDir: string,
   relativePath: string,
   content: string,
   override = true
 ): boolean {
-  const destinationPath = path.join(outDir, relativePath);
+  const destinationPath = path.join(expandPathWithTilde(outDir), relativePath);
   fs.mkdirpSync(path.dirname(destinationPath));
   if (!override && fs.existsSync(destinationPath)) {
     // Skip.

lib/src/utilities/expand-path-with-tilde.spec.ts

@@ -0,0 +1,16 @@
+import os from "os";
+import { expandPathWithTilde } from "./expand-path-with-tilde";
+
+describe("Expand path with tilde", () => {
+  it("expands path with tilde to home directory", () => {
+    expect(expandPathWithTilde("~/test/dir")).toBe(`${os.homedir()}/test/dir`);
+  });
+
+  it("does not expand path with tilde if not prefixed properly", () => {
+    expect(expandPathWithTilde("~test/dir")).toBe(`~test/dir`);
+  });
+
+  it("does not expand path with no tilde", () => {
+    expect(expandPathWithTilde("./test/dir")).toBe(`./test/dir`);
+  });
+});

lib/src/utilities/expand-path-with-tilde.ts

@@ -0,0 +1,11 @@
+import os from "os";
+
+export function expandPathWithTilde(path: string) {
+  const homeDir = os.homedir();
+
+  if (!homeDir) {
+    return path;
+  }
+
+  return path.replace(/^~(?=\/|\\)/, homeDir);
+}