init: prettier & editorconfig

.editorconfig

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+# Some docs: https://EditorConfig.org
+root = true # top-most EditorConfig file
+
+[*]
+end_of_line = lf # unix style line endings
+insert_final_newline = false # newline at end of file
+charset = utf-8 # encoding
+max_line_length = 90 # Suggested maximum of 90 characters per line
+
+[*.js?] # .js and .jsx
+indent_style = space
+indent_size = 2
+quote_type = single
+
+[*.ts?] # .ts and .tsx
+indent_style = space
+indent_size = 2
+quote_type = single
+
+[*.py]
+indent_style = space
+indent_size = 4
+quote_type = single
+
+[*.json]
+indent_style = space
+indent_size = 2

.prettierrc.json

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+{
+  "printWidth": 90,
+  "tabWidth": 2,
+  "singleQuote": true,
+  "trailingComma": "es5",
+  "jsxSingleQuote": true
+}

README.org

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+* Example Configs for Several Useful Modes
+
+For example configs take a look at the files provided in this repo.
+
+** Editorconfig
+
+Official Documentation: https://editorconfig.org/
+
+The file ~.editorconfig~ can be placed somewhere in the directory tree above the files you
+want the config to take affect in.
+
+#+begin_example
+├── .editorconfig
+├── org1
+│   └── my-app1
+│       └──── index.html <- takes affect here
+└── org2
+    └── my-app2
+        └──── index.html <- takes affect here as well
+#+end_example
+
+*** Requirements
+
+#+begin_src emacs-lisp :results output scalar
+(straight-use-package 'editorconfig)
+(editorconfig-mode t)
+#+end_src
+
+** Prettier (JS/TS Code Formatter)
+
+Official Documentation: https://prettier.io/
+
+#+begin_example
+├── .prettierrc.json
+├── org1
+│   └── my-app1
+│       └──── index.tsx <- takes affect here
+└── org2
+    └── my-app2
+        └──── index.jsx <- takes affect here as well
+#+end_example
+
+*** Requirements
+
+#+begin_src emacs-lisp :results output scalar
+(straight-use-package 'prettier-js)
+(add-hook 'web-tide-mode-hook 'prettier-js-mode)
+#+end_src