code style

.editorconfig

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+# This file is for unifying the coding style for different editors and IDEs
+# editorconfig.org
+
+root = true
+
+[*]
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+indent_style = space
+indent_size = 2
+
+[package.json]
+indent_size = 2
+
+[*.md]
+trim_trailing_whitespace = false

.jsbeautifyrc

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+{
+  "indent_size": 2,
+  "indent_char": " ",
+  "other": " ",
+  "indent_level": 0,
+  "indent_with_tabs": false,
+  "preserve_newlines": true,
+  "max_preserve_newlines": 2,
+  "jslint_happy": false,
+  "indent_handlebars": true,
+  "js_space_before_conditional": true
+}

.jscsrc

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+{
+  "preset": "google",
+  "fileExtensions": [".js", "jscs"],
+
+  "requireParenthesesAroundIIFE": true,
+  "maximumLineLength": 120,
+  "validateLineBreaks": "LF",
+  "validateIndentation": 2,
+  "disallowTrailingComma": true,
+  "requireCamelCaseOrUpperCaseIdentifiers": "ignoreProperties",
+
+  "disallowSpacesInsideObjectBrackets": null,
+  "disallowImplicitTypeConversion": ["string"],
+
+  "safeContextKeyword": "ctx",
+
+  "excludeFiles": [
+        "tests/data/**"
+    ]
+}

.jshintrc

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+{
+    "node": true,
+    "bitwise": true,
+    "undef": true,
+    "eqeqeq": true,
+    "noarg": true,
+    "mocha": true,
+    "unused": true,
+    "indent": 2,
+    "smarttabs": true,
+    "esnext": true
+}