chore: init

Author: AngusFu

.editorconfig

@@ -0,0 +1,36 @@
+# http://editorconfig.org
+root = true
+
+[*]
+indent_style = space
+indent_size = 2
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+# Use 4 spaces for the Python files
+[*.py]
+indent_size = 4
+max_line_length = 80
+
+# The JSON files contain newlines inconsistently
+[*.json]
+insert_final_newline = ignore
+
+# Minified JavaScript files shouldn't be changed
+[**.min.js]
+indent_style = ignore
+insert_final_newline = ignore
+
+# Makefiles always use tabs for indentation
+[Makefile]
+indent_style = tab
+
+# Batch files use tabs for indentation
+[*.bat]
+indent_style = tab
+
+[*.md]
+trim_trailing_whitespace = false
+

.eslintrc.js

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+module.exports = {
+  root: true,
+  env: {
+    es6: true,
+    node: true,
+    jest: true,
+    browser: true
+  },
+  plugins: ['prettier'],
+  extends: ['eslint:recommended', require.resolve('eslint-config-prettier')],
+  rules: {
+    'prettier/prettier': 'warn',
+    'no-console': process.env.NODE_ENV === 'production' ? 'error' : 'off',
+    'no-debugger': process.env.NODE_ENV === 'production' ? 'error' : 'off'
+  },
+  parserOptions: {
+    parser: 'babel-eslint',
+    sourceType: 'module',
+    ecmaVersion: 2019
+  }
+}

.prettierignore

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+node_modules
+dist

.prettierrc

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+{
+  "printWidth": 80,
+  "trailingComma": "none",
+  "tabWidth": 2,
+  "semi": false,
+  "singleQuote": true,
+  "useTabs": false,
+  "bracketSpacing": true,
+  "insertPragma": false,
+  "arrowParens": "avoid",
+  "htmlWhitespaceSensitivity": "ignore"
+}