Set EMOJI_DATASOURCE_VERSION during build

.babelrc

@@ -1,4 +1,11 @@
 {
   "presets": ["es2015", "react"],
-  "plugins": ["transform-object-rest-spread", "transform-runtime", "transform-react-remove-prop-types"]
+  "plugins": [
+    "transform-object-rest-spread",
+    "transform-runtime",
+    "transform-react-remove-prop-types",
+    [
+      "transform-define", "scripts/define.js"
+    ]
+  ]
 }

package.json

@@ -28,6 +28,7 @@
     "babel-cli": "^6.26.0",
     "babel-core": "6.7.2",
     "babel-loader": "6.2.4",
+    "babel-plugin-transform-define": "^1.3.0",
     "babel-plugin-transform-es2015-destructuring": "6.9.0",
     "babel-plugin-transform-object-rest-spread": "6.8.0",
     "babel-plugin-transform-react-remove-prop-types": "^0.4.8",

scripts/define.js

@@ -0,0 +1,6 @@
+var pack = require('../package.json')
+
+module.exports = {
+  'process.env.NODE_ENV': 'production',
+  EMOJI_DATASOURCE_VERSION: pack.devDependencies['emoji-datasource']
+}

yarn.lock

@@ -490,6 +490,13 @@ babel-plugin-syntax-object-rest-spread@^6.8.0:
   version "6.13.0"
   resolved "https://registry.yarnpkg.com/babel-plugin-syntax-object-rest-spread/-/babel-plugin-syntax-object-rest-spread-6.13.0.tgz#fd6536f2bce13836ffa3a5458c4903a597bb3bf5"
 
+babel-plugin-transform-define@^1.3.0:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-define/-/babel-plugin-transform-define-1.3.0.tgz#94c5f9459c810c738cc7c50cbd44a31829d6f319"
+  dependencies:
+    lodash "4.17.4"
+    traverse "0.6.6"
+
 babel-plugin-transform-es2015-arrow-functions@^6.3.13:
   version "6.22.0"
   resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-arrow-functions/-/babel-plugin-transform-es2015-arrow-functions-6.22.0.tgz#452692cb711d5f79dc7f85e440ce41b9f244d221"
@@ -2815,14 +2822,14 @@ lodash.uniq@^4.5.0:
   version "4.5.0"
   resolved "https://registry.yarnpkg.com/lodash.uniq/-/lodash.uniq-4.5.0.tgz#d0225373aeb652adc1bc82e4945339a842754773"
 
+lodash@4.17.4, lodash@^4.0.0, lodash@^4.14.0, lodash@^4.17.4, lodash@^4.2.0, lodash@^4.5.0:
+  version "4.17.4"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.4.tgz#78203a4d1c328ae1d86dca6460e369b57f4055ae"
+
 lodash@^3.10.0, lodash@^3.5.0, lodash@^3.8.0:
   version "3.10.1"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-3.10.1.tgz#5bf45e8e49ba4189e17d482789dfd15bd140b7b6"
 
-lodash@^4.0.0, lodash@^4.14.0, lodash@^4.17.4, lodash@^4.2.0, lodash@^4.5.0:
-  version "4.17.4"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.4.tgz#78203a4d1c328ae1d86dca6460e369b57f4055ae"
-
 log4js@^0.6.31:
   version "0.6.38"
   resolved "https://registry.yarnpkg.com/log4js/-/log4js-0.6.38.tgz#2c494116695d6fb25480943d3fc872e662a522fd"
@@ -4548,6 +4555,10 @@ tough-cookie@~2.3.0:
   dependencies:
     punycode "^1.4.1"
 
+traverse@0.6.6:
+  version "0.6.6"
+  resolved "https://registry.yarnpkg.com/traverse/-/traverse-0.6.6.tgz#cbdf560fd7b9af632502fed40f918c157ea97137"
+
 trim-right@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/trim-right/-/trim-right-1.0.1.tgz#cb2e1203067e0c8de1f614094b9fe45704ea6003"