Removed custom babel module

.babelrc

@@ -14,6 +14,9 @@
             "polyfill": false,
             "regenerator": true
         }],
-        "./src/babel/babel-plugin-import.js"
+        ["babel-plugin-root-import", {
+            "rootPathSuffix": "./src",
+            "rootPathPrefix": "~"
+        }]
     ]
 }

package.json

@@ -23,7 +23,6 @@
         "test-unit:watch": "jest -o --watch"
     },
     "dependencies": {
-        "bignumber.js": "^7.2.1",
         "color-hash": "^1.0.3",
         "copy-webpack-plugin": "^4.5.2",
         "ethereumjs-tx": "^1.3.3",

src/babel/babel-plugin-import.js

@@ -1,58 +0,0 @@
-// inspired by:
-// https://github.com/entwicklerstube/babel-plugin-root-import/
-// Simple plugin allows es6 import from '~/' which is src root
-
-const cwd = process.cwd();
-
-const replacePrefix = (path, opts = [], sourceFile) => {
-    const options = [].concat(opts);
-    if (typeof path === 'string') {
-        if (path.indexOf('~/') === 0) {
-            return path.replace('~/', `${cwd}/src/`);
-        }
-    }
-    return path;
-};
-
-
-export default ({ types: t }) => {
-    const visitor = {
-        CallExpression(path, state) {
-            if (path.node.callee.name !== 'require') {
-                return;
-            }
-
-            const args = path.node.arguments;
-            if (!args.length) {
-                return;
-            }
-
-            const firstArg = traverseExpression(t, args[0]);
-
-            if (firstArg) {
-                firstArg.value = replacePrefix(firstArg.value, state.opts, state.file.opts.filename);
-            }
-        },
-        ImportDeclaration(path, state) {
-            path.node.source.value = replacePrefix(path.node.source.value, state.opts, state.file.opts.filename);
-        },
-        ExportNamedDeclaration(path, state) {
-            if (path.node.source) {
-                path.node.source.value = replacePrefix(path.node.source.value, state.opts, state.file.opts.filename);
-            }
-        },
-        ExportAllDeclaration(path, state) {
-            if (path.node.source) {
-                path.node.source.value = replacePrefix(path.node.source.value, state.opts, state.file.opts.filename);
-            }
-        },
-    };
-
-    return {
-        visitor: {
-            Program(path, state) {
-                path.traverse(visitor, state);
-            },
-        },
-    };
-};

yarn.lock

@@ -1503,10 +1503,6 @@ bignumber.js@^4.0.2:
   version "4.1.0"
   resolved "https://registry.yarnpkg.com/bignumber.js/-/bignumber.js-4.1.0.tgz#db6f14067c140bd46624815a7916c92d9b6c24b1"
 
-bignumber.js@^7.2.1:
-  version "7.2.1"
-  resolved "https://registry.yarnpkg.com/bignumber.js/-/bignumber.js-7.2.1.tgz#80c048759d826800807c4bfd521e50edbba57a5f"
-
 binary-extensions@^1.0.0:
   version "1.11.0"
   resolved "https://registry.yarnpkg.com/binary-extensions/-/binary-extensions-1.11.0.tgz#46aa1751fb6a2f93ee5e689bb1087d4b14c6c205"