Remove unused scripts/post-install.js (#299)

* Remove unused scripts/post-install.js

* Remove postinstall-build dep and script

package.json

@@ -9,8 +9,7 @@
     "build": "npm run build-browser && npm run build-node",
     "build-browser": "rm -rf dist && NODE_ENV=production node ./node_modules/webpack/bin/webpack.js && gzip -k -f ./dist/*.js && du -h ./dist/*",
     "build-node": "mkdir -p ./lib && cp -r ./src/* ./lib/ && babel ./src --out-dir ./lib",
-    "prepublish": "npm run build",
-    "postinstall": "postinstall-build lib && cross-env scripts/post-install.js"
+    "prepublish": "npm run build"
   },
   "browser": {
     "ws": false,
@@ -47,7 +46,6 @@
     "detect-node": "^2.0.3",
     "ecurve": "^1.0.5",
     "lodash": "^4.16.4",
-    "postinstall-build": "^5.0.1",
     "secure-random": "^1.1.1",
     "ws": "^3.3.2"
   },

scripts/post-install.js

-#!/usr/bin/env node
-console.log('Running post install.js');
-try {
-    const root = __dirname.substr(0, __dirname.indexOf('node_modules/'));
-    if (root === undefined || root.length === 0) { return; }
-    const packageJSON = require(`${root}package.json`);
-    const path = require('path');
-    if (packageJSON.dependencies['react-native']) {
-        const fs = require('fs');
-        const index = path.join(__dirname, '..','lib', 'index.js');
-        const RNIndex = path.join(__dirname, 'index.rn.js');
-        const indexContent = fs.readFileSync(RNIndex, { encoding: 'utf8' })
-        if (indexContent) {
-            fs.unlinkSync(index);
-            fs.writeFileSync(index, indexContent, 'utf8')
-        } else {
-            console.error('could not find index.rn.js');
-        }
-    }
-}
-catch (e) {
-    console.error('Error running postinstall script', e);
-}