initial commit

.babelrc

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+{
+  "env": {
+    "test": {
+      "plugins": [
+        ["transform-es2015-modules-commonjs", { "loose": true }]
+      ]
+    },
+    "commonjs": {
+      "plugins": [
+        ["transform-es2015-modules-commonjs", { "loose": true }]
+      ],
+      "ignore": [
+        "**/*.test.js"
+      ]
+    },
+    "es": {
+      "plugins": [],
+      "ignore": [
+        "**/*.test.js"
+      ]
+    },
+    "rollup": {
+      "plugins": [
+        "external-helpers"
+      ],
+      "ignore": [
+        "**/*.test.js"
+      ]
+    }
+  }
+}

.editorconfig

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+root = true
+
+# Unix-style newlines with a newline ending every file
+[*]
+end_of_line = lf
+insert_final_newline = true
+charset = utf-8
+indent_style = space
+indent_size = 2

.eslintrc.json

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+{
+  "extends": "airbnb-base",
+  "rules": {
+    "prefer-destructuring": ["error", {
+      "VariableDeclarator": {
+        "array": true,
+        "object": true
+      },
+      "AssignmentExpression": {
+        "array": false,
+        "object": false
+      }
+    }, {
+      "enforceForRenamedProperties": false
+    }]
+  },
+  "env": {
+    "es6": true,
+    "browser": true,
+    "jest": true
+  }
+}

.gitignore

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+node_modules
+dist
+lib
+es
+coverage

jestSetup.js

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+// Fetch polyfill
+import 'whatwg-fetch';