Breaking: drop node 6, 8, IE, Safari 9-11 & stock Android

Ref Level/community#98

.airtap.yml

@@ -3,13 +3,14 @@ providers:
 
 browsers:
   - name: chrome
-  - name: ie
   - name: firefox
-  - name: iphone
-    version: '10.3'
-  - name: android
-    version: '6.0'
-  - name: edge
+  - name: safari
+    version: 12..latest
+  - name: ios_saf
+    version: 12..latest
+  - name: chrome for android
+    version: 6..latest
+  - name: msedge
 
 presets:
   local:

.travis.yml

@@ -8,11 +8,11 @@ cache:
 matrix:
   fast_finish: true
   include:
-  - node_js: 6
+  - node_js: 10
     env: CMD=test
-  - node_js: 8
+  - node_js: 12
     env: CMD=test
-  - node_js: 10
+  - node_js: 14
     env: CMD=test
   - node_js: stable
     env:

README.md

@@ -62,9 +62,9 @@ The most common store is [`leveldown`](https://github.com/Level/leveldown/) whic
 
 ## Supported Platforms
 
-We aim to support Active LTS and Current Node.js releases as well as browsers. For support of the underlying store, please see the respective documentation. If you want to use [Promises](#promise-support), you will need a polyfill like [`pinkie`](https://github.com/floatdrop/pinkie) in older browsers like IE.
+We aim to support Active LTS and Current Node.js releases as well as browsers. For support of the underlying store, please see the respective documentation.
 
-[![Sauce Test Status](https://saucelabs.com/browser-matrix/levelup.svg)](https://saucelabs.com/u/levelup)
+[![Sauce Test Status](https://app.saucelabs.com/browser-matrix/levelup.svg)](https://app.saucelabs.com/u/levelup)
 
 ## Usage
 

package.json

@@ -39,7 +39,6 @@
     "level-concat-iterator": "^2.0.1",
     "memdown": "^5.0.0",
     "nyc": "^14.0.0",
-    "pinkie": "^2.0.4",
     "run-parallel": "1.1.10",
     "run-series": "^1.1.8",
     "safe-buffer": "^5.1.0",
@@ -68,6 +67,6 @@
     "json"
   ],
   "engines": {
-    "node": ">=6"
+    "node": ">=10"
   }
 }

test/self.js

@@ -1,10 +1,5 @@
 'use strict'
 
-// Promise polyfill for IE and others.
-if (process.browser && typeof Promise !== 'function') {
-  global.Promise = require('pinkie')
-}
-
 const test = require('tape')
 const memdown = require('memdown')
 const encode = require('encoding-down')