Revert "feat(predicate): leverage implementation from the core package"

This reverts commit fdb4643.

Author: travi

package-lock.json

@@ -57,7 +57,6 @@
   "packageManager": "npm@11.3.0+sha512.96eb611483f49c55f7fa74df61b588de9e213f80a256728e6798ddc67176c7b07e4a1cfc7de8922422cbce02543714367037536955221fa451b0c4fefaf20c66",
   "dependencies": {
     "@form8ion/core": "^4.6.1",
-    "@form8ion/github-core": "^1.0.0-alpha.1",
     "@form8ion/repository-settings": "^1.1.4",
     "@octokit/rest": "^21.0.0",
     "@travi/cli-messages": "^1.1.1",

package.json

@@ -1,5 +1,4 @@
-export {sourceHostedOnGitHub as test} from '@form8ion/github-core';
-
 export {constants as promptConstants} from './prompt/index.js';
 export {default as scaffold} from './scaffolder.js';
+export {default as test} from './tester.js';
 export {default as lift} from './lifter.js';

src/index.js

@@ -0,0 +1,5 @@
+import {directoryExists} from '@form8ion/core';
+
+export default function ({projectRoot}) {
+  return directoryExists(`${projectRoot}/.github`);
+}

src/tester.js

@@ -0,0 +1,25 @@
+import {directoryExists} from '@form8ion/core';
+
+import any from '@travi/any';
+import {when} from 'vitest-when';
+import {describe, expect, it, vi} from 'vitest';
+
+import projectIsVersionedOnGithub from './tester.js';
+
+vi.mock('@form8ion/core');
+
+describe('github predicate', () => {
+  const projectRoot = any.string();
+
+  it('should return `true` when the `.github` directory is present', async () => {
+    when(directoryExists).calledWith(`${projectRoot}/.github`).thenResolve(true);
+
+    expect(await projectIsVersionedOnGithub({projectRoot})).toBe(true);
+  });
+
+  it('should return `false` when the `.github` directory is not present', async () => {
+    when(directoryExists).calledWith(`${projectRoot}/.github`).thenResolve(false);
+
+    expect(await projectIsVersionedOnGithub({projectRoot})).toBe(false);
+  });
+});