feat: add support for package.yaml

lib/find_pkg.ts

@@ -1,5 +1,6 @@
 import { resolve, join, dirname } from 'path';
-import { readFile } from 'hexo-fs';
+import { readFileSync, existsSync } from 'fs';
+import { load } from 'js-yaml';
 
 interface findPkgArgs {
   cwd?: string;
@@ -13,22 +14,18 @@ function findPkg(cwd: string, args: findPkgArgs = {}) {
   return checkPkg(cwd);
 }
 
-function checkPkg(path: string) {
-  const pkgPath = join(path, 'package.json');
-
-  return readFile(pkgPath).then(content => {
-    const json = JSON.parse(content as string);
-    if (typeof json.hexo === 'object') return path;
-  }).catch(err => {
-    if (err && err.code === 'ENOENT') {
-      const parent = dirname(path);
-
-      if (parent === path) return;
-      return checkPkg(parent);
-    }
+async function checkPkg(path: string): Promise<string | null> {
+  // if a pkg file exists, and the hexo key in it is non-empty
+  if (readPkg(join(path, 'package.json'), JSON.parse)
+   || readPkg(join(path, 'package.yaml'), load)) { return path; }
+  // otherwise, search in parent dir, terminate at root
+  const parent = dirname(path);
+  return parent === path ? null : checkPkg(parent);
+}
 
-    throw err;
-  });
+/** If pkg file exists, read it, parse it, and access the hexo object in it */
+function readPkg(pkgPath: string, parser: CallableFunction): object | null {
+  return existsSync(pkgPath) ? parser(readFileSync(pkgPath))?.hexo : null;
 }
 
 export = findPkg;

package.json

@@ -48,6 +48,7 @@
     "hexo-fs": "^4.1.1",
     "hexo-log": "^4.0.1",
     "hexo-util": "^3.3.0",
+    "js-yaml": "^4.1.0",
     "minimist": "^1.2.5",
     "picocolors": "^1.0.0",
     "resolve": "^1.20.0",
@@ -58,6 +59,7 @@
     "@types/bluebird": "^3.5.37",
     "@types/chai": "^4.3.14",
     "@types/command-exists": "^1.2.3",
+    "@types/js-yaml": "^4.0.9",
     "@types/minimist": "^1.2.5",
     "@types/mocha": "^10.0.6",
     "@types/node": "^18.11.8",