Skip inInstall checks during build

We can do this since we're using prepublishOnly. However, it requires
npm 4+.

Author: mjackson

packages/react-router-config/package.json

@@ -39,7 +39,6 @@
     "eslint-plugin-react": "^5.2.2",
     "expect": "^1.20.1",
     "gzip-size": "^3.0.0",
-    "in-publish": "^2.0.0",
     "karma": "^0.13.22",
     "karma-browserstack-launcher": "^1.0.1",
     "karma-chrome-launcher": "^1.0.1",

packages/react-router-config/tools/build.js

@@ -1,12 +1,8 @@
 const fs = require('fs')
 const execSync = require('child_process').execSync
-const inInstall = require('in-publish').inInstall
 const prettyBytes = require('pretty-bytes')
 const gzipSize = require('gzip-size')
 
-if (inInstall())
-  process.exit(0)
-
 const exec = (command, extraEnv) =>
   execSync(command, {
     stdio: 'inherit',

packages/react-router-dom/package.json

@@ -59,7 +59,6 @@
     "eslint-plugin-react": "^5.2.2",
     "expect": "^1.20.1",
     "gzip-size": "^3.0.0",
-    "in-publish": "^2.0.0",
     "karma": "^0.13.22",
     "karma-browserstack-launcher": "^1.0.1",
     "karma-chrome-launcher": "^1.0.1",

packages/react-router-dom/tools/build.js

@@ -1,12 +1,8 @@
 const fs = require('fs')
 const execSync = require('child_process').execSync
-const inInstall = require('in-publish').inInstall
 const prettyBytes = require('pretty-bytes')
 const gzipSize = require('gzip-size')
 
-if (inInstall())
-  process.exit(0)
-
 const exec = (command, extraEnv) =>
   execSync(command, {
     stdio: 'inherit',

packages/react-router-redux/package.json

@@ -48,7 +48,6 @@
     "eslint-plugin-import": "^2.2.0",
     "eslint-plugin-react": "^6.3.0",
     "gzip-size": "^3.0.0",
-    "in-publish": "^2.0.0",
     "jest": "^20.0.0",
     "pretty-bytes": "^4.0.2",
     "react": "^15.4.2",

packages/react-router-redux/tools/build.js

@@ -1,12 +1,8 @@
 const fs = require('fs')
 const execSync = require('child_process').execSync
-const inInstall = require('in-publish').inInstall
 const prettyBytes = require('pretty-bytes')
 const gzipSize = require('gzip-size')
 
-if (inInstall())
-  process.exit(0)
-
 const exec = (command, extraEnv) =>
   execSync(command, {
     stdio: 'inherit',

packages/react-router/package.json

@@ -58,7 +58,6 @@
     "eslint-plugin-react": "^6.10.3",
     "expect": "^1.20.1",
     "gzip-size": "^3.0.0",
-    "in-publish": "^2.0.0",
     "karma": "^0.13.22",
     "karma-browserstack-launcher": "^1.0.1",
     "karma-chrome-launcher": "^1.0.1",

packages/react-router/tools/build.js

@@ -1,12 +1,8 @@
 const fs = require('fs')
 const execSync = require('child_process').execSync
-const inInstall = require('in-publish').inInstall
 const prettyBytes = require('pretty-bytes')
 const gzipSize = require('gzip-size')
 
-if (inInstall())
-  process.exit(0)
-
 const exec = (command, extraEnv) =>
   execSync(command, {
     stdio: 'inherit',