feat: support default in flags

Author: wesleytodd

index.js

@@ -102,10 +102,20 @@ module.exports = function (opts = {}) {
         }
       }
 
+      // Handle default as functions, augment with entire options
+      const __default = typeof defaults[key] !== 'undefined' ? defaults[key] : flag.default
+      let _default = __default
+      if (typeof _default === 'function') {
+        _default = (ans) => {
+          return __default(ans, values(ans))
+        }
+      }
+
       cli.option(flag.key || key, {
         description: o.description,
         type: o.type,
         group: o.group,
+        default: _default,
         coerce,
         ...o.flag
       })
@@ -177,7 +187,7 @@ module.exports = function (opts = {}) {
       const __default = typeof defaults[key] !== 'undefined' ? defaults[key] : prompt.default
       let _default = __default
       if (typeof _default === 'function') {
-        _default = async (ans) => {
+        _default = (ans) => {
           return __default(ans, values(ans))
         }
       }

test/index.js

@@ -123,9 +123,7 @@ suite(pkg.name, () => {
         },
         remoteOrigin: {
           description: 'remote origin',
-          default: async (input, opts) => {
-            // Ensure we get the input including defaults
-            assert.strictEqual(opts.cwd, TMP)
+          default: (input, opts) => {
             // Fake load git remote origin
             return remote
           }
@@ -139,7 +137,7 @@ suite(pkg.name, () => {
           assert.strictEqual(typeof prompts[0].default, 'function')
 
           return {
-            remoteOrigin: await prompts[0].default({})
+            remoteOrigin: prompts[0].default()
           }
         }
       }