feat: switch to & allow passing custom fn too

package.json

@@ -20,8 +20,8 @@
     "node": "^8.10.0 || >=10.13.0"
   },
   "dependencies": {
-    "@tunnckocore/package-json": "1.0.3",
     "esm": "^3.2.0",
+    "package-json": "^6.0.0",
     "recommended-bump": "1.3.1"
   },
   "devDependencies": {

src/index.js

@@ -1,5 +1,5 @@
 import recommendedBump from 'recommended-bump';
-import packageJson from '@tunnckocore/package-json';
+import packageJson from 'package-json';
 import increment from './semver-inc';
 
 /**
@@ -90,7 +90,7 @@ export default async function detector(commits, options) {
   }
 
   if (opts.packages) {
-    const { endpoint, plugins, cwd } = opts;
+    const { plugins, cwd } = opts;
 
     /**
      * Inside commit
@@ -109,7 +109,7 @@ export default async function detector(commits, options) {
             const path = name.startsWith('@') ? name : `packages/${name}`;
             const [result] = await detector(commits, {
               name,
-              endpoint,
+              packageJson,
               plugins,
               cwd,
             });
@@ -151,7 +151,10 @@ export default async function detector(commits, options) {
   // a directory inside the root (cwd) of monorepo.
   const path = name.startsWith('@') ? name : `packages/${name}`;
 
-  const pkg = await packageJson(name, opts.endpoint);
+  const getPkg =
+    typeof opts.packageJson === 'function' ? opts.packageJson : packageJson;
+
+  const pkg = await getPkg(name, opts);
   const recommended = recommendedBump(cmts, opts.plugins);
   const lastVersion = pkg.version;
 

test/index.js

@@ -1,5 +1,6 @@
 import assert from 'assert';
 import test from 'asia';
+import packageJson from 'package-json';
 import detectNextVersion from '../src';
 import semverIncrement from '../src/semver-inc';
 
@@ -57,7 +58,7 @@ test('throw if no commit messages are given', async () => {
 test('do not give `result.nextVersion` when only "chore" commits', async () => {
   const result = await detectNextVersion(
     ['chore: foo bar baz', 'chore(ci): some build fix'],
-    { name: '@tunnckocore/qq5' },
+    { name: '@tunnckocore/qq5', packageJson },
   );
 
   assert.strictEqual(result.increment, false);