factor out then-fs and promise.finally

lib/jsdoc-command.js

@@ -1,8 +1,6 @@
 'use strict'
 const arrayify = require('array-back')
 const path = require('path')
-const promiseFinally = require('promise.prototype.finally')
-promiseFinally.shim()
 
 /**
  * @module jsdoc-command
@@ -53,12 +51,13 @@ class JsdocCommand {
     if (this.output instanceof Promise) {
       return this.output
         .then(result => {
+          this.postExecute()
           return result
         })
         .catch(err => {
+          this.postExecute()
           throw err
         })
-        .finally(() => this.postExecute())
     } else {
       this.postExecute()
       return this.output
@@ -126,7 +125,7 @@ class JsdocCommand {
    */
   readCache () {
     if (this.cache) {
-      const fs = require('then-fs')
+      const fs = require('fs-then-native')
       const promises = this.inputFileSet.files.map(file => fs.readFile(file, 'utf8'))
       return Promise.all(promises)
         .then(contents => {

package.json

@@ -24,9 +24,9 @@
     "cover": "istanbul cover ./node_modules/.bin/test-runner test/*.js && cat coverage/lcov.info | ./node_modules/.bin/coveralls && rm -rf coverage; echo"
   },
   "devDependencies": {
-    "babel-preset-es2015": "^6.14.0",
+    "babel-preset-es2015": "^6.16.0",
     "collect-json": "^1.0.8",
-    "core-assert": "~0.2.0",
+    "core-assert": "~0.2.1",
     "coveralls": "^2.11.14",
     "jsdoc-to-markdown": "^2.0.0-alpha.8",
     "rimraf": "^2.5.4",
@@ -38,12 +38,11 @@
     "collect-all": "^1.0.2",
     "core-js": "^2.4.1",
     "feature-detect-es6": "^1.3.1",
-    "file-set": "^1.0.2",
+    "file-set": "^1.1.1",
+    "fs-then-native": "^0.1.0",
     "jsdoc-75lb": "^3.5.6",
     "object-to-spawn-args": "^1.1.0",
-    "promise.prototype.finally": "^2.0.1",
     "temp-path": "^1.0.0",
-    "then-fs": "^2.0.0",
     "walk-back": "^2.0.1"
   },
   "standard": {