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eslint-prettier-config.sh
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eslint-prettier-config.sh
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#!/bin/bash
# ----------------------
# Color Variables
# ----------------------
RED="\033[0;31m"
YELLOW='\033[1;33m'
GREEN='\033[1;32m'
LCYAN='\033[1;36m'
NC='\033[0m' # No Color
# --------------------------------------
# Prompts for configuration preferences
# --------------------------------------
# Package Manager Prompt
echo
echo "Which package manager are you using?"
select package_command_choices in "Yarn" "npm" "Cancel"; do
case $package_command_choices in
Yarn ) pkg_cmd='yarn add'; break;;
npm ) pkg_cmd='npm install'; break;;
Cancel ) exit;;
esac
done
echo
# File Format Prompt
echo "Which ESLint and Prettier configuration format do you prefer?"
select config_extension in ".js" ".json" "Cancel"; do
case $config_extension in
.js ) config_opening='module.exports = {'; break;;
.json ) config_opening='{'; break;;
Cancel ) exit;;
esac
done
echo
# Checks for existing eslintrc files
if [ -f ".eslintrc.js" -o -f ".eslintrc.yaml" -o -f ".eslintrc.yml" -o -f ".eslintrc.json" -o -f ".eslintrc" ]; then
echo -e "${RED}Existing ESLint config file(s) found:${NC}"
ls -a .eslint* | xargs -n 1 basename
echo
echo -e "${RED}CAUTION:${NC} there is loading priority when more than one config file is present: https://eslint.org/docs/user-guide/configuring#configuration-file-formats"
echo
read -p "Write .eslintrc${config_extension} (Y/n)? "
if [[ $REPLY =~ ^[Nn]$ ]]; then
echo -e "${YELLOW}>>>>> Skipping ESLint config${NC}"
skip_eslint_setup="true"
fi
fi
finished=false
# Max Line Length Prompt
while ! $finished; do
read -p "What max line length do you want to set for ESLint and Prettier? (Recommendation: 100)"
if [[ $REPLY =~ ^[0-9]{2,3}$ ]]; then
max_len_val=$REPLY
finished=true
echo
else
echo -e "${YELLOW}Please choose a max length of two or three digits, e.g. 80 or 100 or 120${NC}"
fi
done
# Trailing Commas Prompt
echo "What style of trailing commas do you want to enforce with Prettier?"
echo -e "${YELLOW}>>>>> See https://prettier.io/docs/en/options.html#trailing-commas for more details.${NC}"
select trailing_comma_pref in "none" "es5" "all"; do
case $trailing_comma_pref in
"none" ) break;;
"es5" ) break;;
"all" ) break;;
esac
done
echo
# ----------------------
# Perform Configuration
# ----------------------
echo
echo -e "${GREEN}Configuring your development environment... ${NC}"
echo
echo -e "1/4 ${LCYAN}ESLint & Prettier Installation... ${NC}"
echo
$pkg_cmd -D eslint prettier eslint-plugin-react-hooks
echo
echo -e "2/4 ${YELLOW}Conforming to Airbnb's JavaScript Style Guide... ${NC}"
echo
$pkg_cmd -D eslint-config-airbnb eslint-plugin-jsx-a11y eslint-plugin-import eslint-plugin-react babel-eslint
echo
echo -e "3/4 ${LCYAN}Making ESlint and Prettier play nice with each other... ${NC}"
echo "See https://github.com/prettier/eslint-config-prettier for more details."
echo
$pkg_cmd -D eslint-config-prettier eslint-plugin-prettier
if [ "$skip_eslint_setup" == "true" ]; then
break
else
echo
echo -e "4/4 ${YELLOW}Building your .eslintrc${config_extension} file...${NC}"
> ".eslintrc${config_extension}" # truncates existing file (or creates empty)
echo ${config_opening}'
"extends": [
"airbnb",
"prettier",
"plugin:jsx-a11y/recommended",
"plugin:react-hooks/recommended"
],
"parser": "babel-eslint",
"parserOptions": {
"ecmaVersion": 8,
"ecmaFeatures": {
"experimentalObjectRestSpread": true,
"impliedStrict": true,
"classes": true
}
},
"env": {
"browser": true,
"node": true,
"jquery": true,
"jest": true
},
"rules": {
"react-hooks/rules-of-hooks": "error",
"no-debugger": 0,
"no-alert": 0,
"no-unused-vars": 1,
"prefer-const": [
"error",
{
"destructuring": "all"
}
],
"arrow-body-style": [
2,
"as-needed"
],
"no-unused-expressions": [
2,
{
"allowTaggedTemplates": true
}
],
"no-param-reassign": [
2,
{
"props": false
}
],
"no-console": 0,
"import/prefer-default-export": 1,
"import": 0,
"func-names": 0,
"space-before-function-paren": 0,
"comma-dangle": 0,
"max-len": 0,
"import/extensions": 0,
"no-underscore-dangle": 0,
"consistent-return": 0,
"react/display-name": 1,
"react/no-array-index-key": 0,
"react/react-in-jsx-scope": 0,
"react/prefer-stateless-function": 0,
"react/forbid-prop-types": 0,
"react/jsx-props-no-spreading": 0,
"react/no-unescaped-entities": 0,
"jsx-a11y/accessible-emoji": 0,
"react/require-default-props": 0,
"react/jsx-filename-extension": [
1,
{
"extensions": [
".js",
".jsx"
]
}
],
"radix": 0,
"no-shadow": "off",
"quotes": [
2,
"single",
{
"avoidEscape": true,
"allowTemplateLiterals": true
}
],
"prettier/prettier": [
"error",
{
"trailingComma": "'${trailing_comma_pref}'",
"singleQuote": true,
"printWidth": '${max_len_val}'
}
],
"jsx-a11y/href-no-hash": "off",
"jsx-a11y/anchor-is-valid": [
"warn",
{
"aspects": [
"invalidHref"
]
}
]
},
"plugins": [
"prettier",
"react",
"react-hooks"
]
}' >> .eslintrc${config_extension}
fi
echo
echo -e "${GREEN}Finished setting up!${NC}"
echo