feat: add settings

Author: technote-space

.editorconfig

@@ -0,0 +1,13 @@
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+insert_final_newline = true
+trim_trailing_whitespace = true
+indent_style = tab
+indent_size = 4
+
+[{*.json,*.yml}]
+indent_style = space
+indent_size = 2

.eslintrc

@@ -0,0 +1,149 @@
+{
+	"extends": [
+		"eslint:recommended",
+		"plugin:@typescript-eslint/recommended",
+		"plugin:@typescript-eslint/eslint-recommended"
+	],
+	"plugins": [
+		"@typescript-eslint"
+	],
+	"parser": "@typescript-eslint/parser",
+	"parserOptions": {
+		"sourceType": "module",
+		"ecmaVersion": 2018
+	},
+	"env": {
+		"node": true,
+		"jest": true,
+		"es6": true,
+		"browser": true
+	},
+	"settings": {
+		"react": {
+			"version": "latest"
+		}
+	},
+	"rules": {
+		"camelcase": [
+			"error",
+			{
+				"properties": "always"
+			}
+		],
+		"require-jsdoc": [
+			"error",
+			{
+				"require": {
+					"FunctionDeclaration": true,
+					"MethodDefinition": true,
+					"ClassDeclaration": true
+				}
+			}
+		],
+		"valid-jsdoc": [
+			"error",
+			{
+				"requireReturn": false,
+				"preferType": {
+					"String": "string",
+					"Object": "object",
+					"Number": "number",
+					"Function": "function",
+					"Void": "void"
+				}
+			}
+		],
+		"quotes": [
+			"error",
+			"single",
+			"avoid-escape"
+		],
+		"key-spacing": [
+			"error",
+			{
+				"singleLine": {
+					"beforeColon": false,
+					"afterColon": true
+				},
+				"multiLine": {
+					"beforeColon": false,
+					"afterColon": true
+				}
+			}
+		],
+		"no-magic-numbers": [
+			"error",
+			{
+				"ignoreArrayIndexes": true
+			}
+		],
+		"eqeqeq": "error",
+		"block-scoped-var": "error",
+		"complexity": [
+			"error",
+			{
+				"maximum": 20
+			}
+		],
+		"curly": "error",
+		"default-case": "error",
+		"dot-location": [
+			"error",
+			"property"
+		],
+		"guard-for-in": "error",
+		"no-eval": "error",
+		"block-spacing": "error",
+		"brace-style": "error",
+		"comma-spacing": [
+			"error",
+			{
+				"before": false,
+				"after": true
+			}
+		],
+		"id-length": [
+			"error",
+			{
+				"min": 2,
+				"properties": "never",
+				"exceptions": [
+					"$"
+				]
+			}
+		],
+		"indent": [
+			"error",
+			"tab",
+			{
+				"MemberExpression": "off"
+			}
+		],
+		"space-before-function-paren": [
+			"error",
+			"never"
+		],
+		"space-before-blocks": "error",
+		"prefer-const": "error",
+		"no-var": "error",
+		"arrow-body-style": "off",
+		"arrow-spacing": "error",
+		"strict": [
+			"error"
+		],
+		"no-warning-comments": [
+			"warn",
+			{
+				"terms": [
+					"todo",
+					"fixme",
+					"hack"
+				],
+				"location": "anywhere"
+			}
+		],
+		"semi": [
+			"error"
+		]
+	}
+}