Use prepublishOnly to prevent running the build during install

package.json

@@ -23,7 +23,7 @@
   "scripts": {
     "start": "webpack-dev-server -d --content-base ./ --history-api-fallback --inline modules/index.js",
     "build": "node ./tools/build.js",
-    "prepublish": "node ./tools/build.js",
+    "prepublishOnly": "node ./tools/build.js",
     "clean": "git clean -fdX .",
     "lint": "eslint modules",
     "test": "karma start --single-run"
@@ -48,7 +48,6 @@
     "eslint-plugin-import": "^2.0.0",
     "expect": "^21.0.0",
     "gzip-size": "^3.0.0",
-    "in-publish": "^2.0.0",
     "jest-mock": "^21.0.0",
     "karma": "^1.2.0",
     "karma-browserstack-launcher": "^1.0.1",

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',

yarn.lock

@@ -2120,10 +2120,6 @@ imurmurhash@^0.1.4:
   version "0.1.4"
   resolved "https://registry.yarnpkg.com/imurmurhash/-/imurmurhash-0.1.4.tgz#9218b9b2b928a238b13dc4fb6b6d576f231453ea"
 
-in-publish@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/in-publish/-/in-publish-2.0.0.tgz#e20ff5e3a2afc2690320b6dc552682a9c7fadf51"
-
 indexof@0.0.1:
   version "0.0.1"
   resolved "https://registry.yarnpkg.com/indexof/-/indexof-0.0.1.tgz#82dc336d232b9062179d05ab3293a66059fd435d"