Replace leveldown to nosql-leveldb (#13)

package.json

@@ -38,15 +38,14 @@
     "brolog": "^1.2.6",
     "cuid": "^2.1.1",
     "encoding-down": "^2.3.1",
-    "leveldown": "^4.0.1",
     "levelup": "github:zixia/levelup",
+    "nosql-leveldb": "^3.0.0",
     "rimraf": "^2.6.2",
     "state-switch": "^0.4.5"
   },
   "devDependencies": {
     "@types/app-root-path": "^1.2.4",
     "@types/blue-tape": "^0.1.31",
-    "@types/leveldown": "^1.7.0",
     "@types/node": "^8.0.30",
     "@types/rimraf": "^2.0.2",
     "@types/semver": "^5.5.0",

src/flash-store.spec.ts

@@ -3,7 +3,7 @@ import fs    from 'fs'
 import os    from 'os'
 import path  from 'path'
 
-import rimraf from 'rimraf'
+// import rimraf from 'rimraf'
 
 // tslint:disable:no-shadowed-variable
 import test from 'blue-tape'
@@ -152,34 +152,34 @@ test('async values()', async t => {
   }
 })
 
-test('deferred-leveldown json bug(fixed on version 2.0.2', async t => {
-  const encoding  = (await import('encoding-down')).default
-  const leveldown = (await import('leveldown')).default
-  const levelup   = (await import('levelup')).default
-
-  const tmpDir = fs.mkdtempSync(
-    path.join(
-      os.tmpdir(),
-      path.sep,
-      'flash-store-',
-    ),
-  )
-
-  const encoded = encoding(leveldown(tmpDir) as any, {
-    valueEncoding: 'json',
-  })
-  const levelDb = levelup(encoded)
-
-  const EXPECTED_OBJ = {a: 1}
-  await levelDb.put('test', EXPECTED_OBJ)
-  const value = await levelDb.get('test')
-
-  t.equal(typeof value, 'object', 'value type should be object')
-  t.deepEqual(value, EXPECTED_OBJ, 'should get back the original object')
-
-  // `rm -fr tmpDir`
-  await new Promise(r => rimraf(tmpDir, r))
-})
+// test('deferred-leveldown json bug(fixed on version 2.0.2', async t => {
+//   const encoding  = (await import('encoding-down')).default
+//   const leveldown = (await import('leveldown')).default
+//   const levelup   = (await import('levelup')).default
+
+//   const tmpDir = fs.mkdtempSync(
+//     path.join(
+//       os.tmpdir(),
+//       path.sep,
+//       'flash-store-',
+//     ),
+//   )
+
+//   const encoded = encoding(leveldown(tmpDir) as any, {
+//     valueEncoding: 'json',
+//   })
+//   const levelDb = levelup(encoded)
+
+//   const EXPECTED_OBJ = {a: 1}
+//   await levelDb.put('test', EXPECTED_OBJ)
+//   const value = await levelDb.get('test')
+
+//   t.equal(typeof value, 'object', 'value type should be object')
+//   t.deepEqual(value, EXPECTED_OBJ, 'should get back the original object')
+
+//   // `rm -fr tmpDir`
+//   await new Promise(r => rimraf(tmpDir, r))
+// })
 
 async function* storeFixture() {
   const tmpDir = fs.mkdtempSync(

src/flash-store.ts

@@ -6,13 +6,13 @@ import {
 
 import * as rimrafProxy     from 'rimraf'
 import * as encodingProxy   from 'encoding-down'
-import * as leveldownProxy  from 'leveldown'
+import LevelDb  from 'nosql-leveldb'
 import * as levelupProxy    from 'levelup'
 
 // https://github.com/rollup/rollup/issues/1267#issuecomment-296395734
 const rimraf    = (<any>rimrafProxy).default    || rimrafProxy
 const encoding  = (<any>encodingProxy).default  || encodingProxy
-const leveldown = (<any>leveldownProxy).default || leveldownProxy
+// const leveldown = (<any>leveldownProxy).default || leveldownProxy
 const levelup   = (<any>levelupProxy).default   || levelupProxy
 
 import {
@@ -54,7 +54,8 @@ export class FlashStore<K = any, V = any> implements AsyncMap<K, V> {
 
     // https://twitter.com/juliangruber/status/908688876381892608
     const encoded = encoding(
-      leveldown(workdir),
+      // leveldown(workdir),
+      LevelDb(workdir),
       {
         // FIXME: issue #2
         valueEncoding: 'json',

src/typings.d.ts

@@ -2,3 +2,5 @@ declare module '*/package.json' {
   export const version: string
   // export default version
 }
+
+declare module 'nosql-leveldb'