refactor(deps): remove direct dependency on arrify

Author: jrolfs

package.json

@@ -64,7 +64,6 @@
     "@types/which": "^2.0.1",
     "@typescript-eslint/eslint-plugin": "^5.45.1",
     "@typescript-eslint/parser": "^5.45.1",
-    "arrify": "^2.0.1",
     "commitizen": "^4.2.4",
     "concurrently": "^7.0.0",
     "cosmiconfig": "^7.0.1",

src/utils.js

@@ -2,7 +2,6 @@ const fs = require('fs')
 const path = require('path')
 const rimraf = require('rimraf')
 const mkdirp = require('mkdirp')
-const arrify = require('arrify')
 const has = require('lodash.has')
 const readPkgUp = require('read-pkg-up')
 const which = require('which')
@@ -66,19 +65,42 @@ function resolveBin(
 const fromRoot = (/** @type {string[]} */ ...p) => path.join(appDirectory, ...p)
 const hasFile = (/** @type {string[]} */ ...p) => fs.existsSync(fromRoot(...p))
 
-const ifFile = (
-  /** @type {*} */ files,
-  /** @type {*} */ t,
-  /** @type {*} */ f,
-) => (arrify(files).some((/** @type {*} */ file) => hasFile(file)) ? t : f)
+/**
+ * @param {string | string[]} stringOrArray
+ */
+const liftStringArray = stringOrArray =>
+  typeof stringOrArray === 'string' ? [stringOrArray] : stringOrArray
+
+/**
+ *
+ * @template T
+ * @template F
+ *
+ * @param {string | string[]} files
+ * @param {T} t
+ * @param {F} f
+ */
+const ifFile = (files, t, f) =>
+  liftStringArray(files).some(file => hasFile(file)) ? t : f
 
 const getPkgName = () => pkg.name
 
-const hasPkgProp = (/** @type {*} */ props) =>
-  arrify(props).some((/** @type {*} */ prop) => has(pkg, prop))
+/**
+ * @param {string | string[]} props
+ */
+const hasPkgProp = props => liftStringArray(props).some(prop => has(pkg, prop))
 
-const hasPkgSubProp = (/** @type {*} */ pkgProp) => (/** @type {*} */ props) =>
-  hasPkgProp(arrify(props).map((/** @type {*} */ p) => `${pkgProp}.${p}`))
+/**
+ * @param {string} pkgProp
+ */
+const hasPkgSubProp =
+  pkgProp =>
+  /**
+   * @param {string | string[]} props
+   * @returns
+   */
+  props =>
+    hasPkgProp(liftStringArray(props).map(p => `${pkgProp}.${p}`))
 
 const ifPkgSubProp =
   (/** @type {*} */ pkgProp) =>
@@ -95,11 +117,17 @@ const hasAnyDep = (/** @type {*} */ args) =>
 const ifPeerDep = ifPkgSubProp('peerDependencies')
 const ifDep = ifPkgSubProp('dependencies')
 const ifDevDep = ifPkgSubProp('devDependencies')
-const ifAnyDep = (
-  /** @type {*} */ deps,
-  /** @type {*} */ t,
-  /** @type {*} */ f,
-) => (hasAnyDep(arrify(deps)) ? t : f)
+
+/**
+ * @template T
+ * @template F
+ *
+ * @param {string | string[]} deps
+ * @param {T} t
+ * @param {F} f
+ */
+const ifAnyDep = (deps, t, f) => (hasAnyDep(liftStringArray(deps)) ? t : f)
+
 const ifScript = ifPkgSubProp('scripts')
 
 function parseEnv(/** @type {string} */ name, /** @type {*} */ def) {