fix ignore

.editorconfig

@@ -0,0 +1,16 @@
+root = true
+
+[*]
+indent_style = tab
+indent_size = 2
+tab_width = 4
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+[*.{md,yml,yaml,json,graphql}]
+indent_style = space
+
+[*.{md,yml,yaml}]
+trim_trailing_whitespace = false

.eslintrc.yml

@@ -0,0 +1,63 @@
+root: true
+env:
+  es2022: true
+  node: true
+parserOptions:
+  ecmaVersion: 13
+  sourceType: module
+extends:
+  - eslint:recommended
+  - plugin:sonarjs/recommended
+  - plugin:unicorn/recommended
+rules:
+  camelcase: off
+  capitalized-comments: off
+  indent: [error, tab]
+  linebreak-style: [error, unix]
+  no-console: off
+  no-debugger: off
+  # no-multi-assign: off
+  # no-multiple-empty-lines:
+  #   - error
+  #   -
+  #     max: 2
+  #     maxBOF: 2
+  #     maxEOF: 0
+  # no-new-func: off
+  no-undef-init: off
+  no-unused-expressions:
+    - error
+    -
+      allowShortCircuit: true
+      allowTernary: true
+      allowTaggedTemplates: true
+  padding-line-between-statements: off
+  quotes: [error, single]
+  # require-atomic-updates: off
+  semi:  [error, never]
+  semi-spacing:
+    - error
+    -
+      before: false
+      after: true
+  spaced-comment: off
+  # unicorn/consistent-destructuring: off
+  unicorn/filename-case: off
+  # unicorn/import-style:
+  #   - error
+  #   -
+  #     styles:
+  #       util: false
+  #       path:
+  #         named: true
+  # unicorn/no-abusive-eslint-disable: off
+  unicorn/no-array-reduce: off
+  # unicorn/no-negated-condition: off
+  # unicorn/no-null: off
+  unicorn/no-useless-undefined: off
+  unicorn/no-zero-fractions: off
+  # unicorn/prefer-dom-node-dataset: off
+  unicorn/prefer-includes: off
+  # unicorn/prefer-object-from-entries: off
+  unicorn/prefer-query-selector: off
+  unicorn/prevent-abbreviations: off

.github/workflows/nodejs.yml

@@ -0,0 +1,35 @@
+name: Node.js CI
+
+on:
+  - push
+  - pull_request
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        node-version: [20.x]
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Use Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v3
+        with:
+          node-version: ${{ matrix.node-version }}
+
+      - name: Install pnpm
+        run: npm i -g pnpm
+
+      - name: Install dependencies
+        run: pnpm install
+
+      - name: Run test
+        run: npm test
+
+      - name: Coveralls
+        uses: coverallsapp/github-action@master
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}

.gitignore

@@ -0,0 +1,3 @@
+coverage
+node_modules
+test/helper/**/*

.npmrc

@@ -0,0 +1,3 @@
+engine-strict=true
+resolution-mode=highest
+auto-install-peers=true

LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2019 Thiago Lagden <lagden@gmail.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

@@ -0,0 +1,121 @@
+# Mongo Singleton
+
+[![NPM version][npm-img]][npm]
+[![Node.js CI][ci-img]][ci]
+[![Coverage Status][coveralls-img]][coveralls]
+
+
+[npm-img]:         https://img.shields.io/npm/v/@tadashi/mongo-singleton.svg
+[npm]:             https://www.npmjs.com/package/@tadashi/mongo-singleton
+[ci-img]:          https://github.com/lagden/mongo-singleton/actions/workflows/nodejs.yml/badge.svg
+[ci]:              https://github.com/lagden/mongo-singleton/actions/workflows/nodejs.yml
+[coveralls-img]:   https://coveralls.io/repos/github/lagden/mongo-singleton/badge.svg?branch=master
+[coveralls]:       https://coveralls.io/github/lagden/mongo-singleton?branch=master
+
+-----
+
+Simplifying MongoDB
+
+## Install
+
+```
+$ npm i -S @tadashi/mongo-singleton
+```
+
+
+## API
+
+### Environment variables available
+
+- MONGO_CONN
+- MONGO_DB
+- MONGO_USER
+- MONGO_PASS
+- MONGO_AUTHSOURCE
+- MONGO_POOL_SIZE = 10
+
+### Mongo.conn( \[args\]):MongoClient
+
+Name        | Type      | Default           | Description
+----------- | --------- | ----------------- | ------------
+args        | object    | {}                | [See bellow](#args)
+
+
+#### args
+
+Name        | Type      | Default                        | Description
+----------- | --------- | ------------------------------ | ------------
+url         | string    | MONGO_CONN                     | [See the manual](https://www.mongodb.com/docs/manual/reference/connection-string/)
+username    | string    | MONGO_USER                     | Database user
+password    | string    | MONGO_PASS                     | Database password
+authSource  | string    | MONGO_AUTHSOURCE               | Authentication Database
+options     | object    | {maxPoolSize: MONGO_POOL_SIZE} | [See the manual](https://mongodb.github.io/node-mongodb-native/6.3/interfaces/MongoClientOptions.html)
+
+
+### Mongo.collection(collectionName \[, options \]):Collection
+
+Name           | Type      | Default        | Description
+-------------- | --------- | -------------- | ------------
+collectionName | string    | -              | Collection name
+options        | object    | {}             | [See bellow](#options)
+
+
+#### options
+
+Name              | Type      | Default                          | Description
+-------------     | --------- | -------------------------------- | ------------
+dbName            | string    | MONGO_DB                         | Database name
+dbOptions         | object    | {}                               | [See the manual](https://mongodb.github.io/node-mongodb-native/6.3/interfaces/DbOptions.html)
+collectionOptions | object    | [See bellow](#collectionOptions) | [See the manual](https://mongodb.github.io/node-mongodb-native/6.3/interfaces/CollectionOptions.html)
+
+
+##### collectionOptions
+
+Name                    | Type      | Default    | Description
+----------------------- | --------- | ---------- | ------------
+writeConcern            | object    | {w: 1}     | -
+
+
+## Usage
+
+**Example A:**
+
+```js
+import Mongo from '@tadashi/mongo-singleton'
+
+const client = await Mongo.conn({
+  url: 'mongodb://mongodb.example.com:27017',
+  username: 'username',
+  password: 'password'
+})
+const db = client.db('my_DB')
+await db.dropDatabase()
+// more code...
+```
+
+
+**Example B:**
+
+```js
+// Set the environment variables before start the application
+// - MONGO_CONN
+// - MONGO_DB
+// - MONGO_USER
+// - ...
+import Mongo from '@tadashi/mongo-singleton'
+
+// will return the collection if exists or create new one
+const collection = await Mongo.collection('users')
+const users = await collection.find({name: 'Tadashi'}).toArray()
+// more code...
+```
+
+
+## Donate ❤️
+
+- BTC: bc1q7famhuj5f25n6qvlm3sssnymk2qpxrfwpyq7g4
+
+
+## License
+
+MIT © [Thiago Lagden](https://github.com/lagden)

bin/helper/fn

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+#!/bin/sh
+
+abort() {
+	printf "\n  \033[31mError: $@\033[0m\n\n" && exit 1
+}
+
+ok() {
+	printf "\n  \033[32mOk: $@\033[0m\n\n"
+}
+
+load_env() {
+	_DIR="$(pwd)"
+	ENVFILE_LOCAL="${2:-$_DIR}/.conf/local.sh"
+	ENVFILE_OPT="${2:-$_DIR}/.conf/${1:-development}.sh"
+	USE_LOCAL_ENV=0
+
+	if test ! -e $ENVFILE_OPT; then
+		abort "Environment file not found"
+	fi
+
+	set -a
+	. ${ENVFILE_OPT}
+	set +a
+
+	if test "${1}" = "development" -o "${1}" = "test"; then
+		USE_LOCAL_ENV=1
+	fi
+
+	if test -e $ENVFILE_LOCAL -a "${USE_LOCAL_ENV:-0}" = "1"; then
+		set -a
+		. ${ENVFILE_LOCAL}
+		set +a
+	fi
+}
+
+gen_env() {
+	_DIR="$(cd $(dirname $0) && pwd)"
+	_BIN_DIR="$(cd $DIR/.. && pwd)"
+	GEN_ENV="${2:-$_BIN_DIR}/node/env.js"
+
+	if test -z $1; then
+		abort "Missing output"
+	fi
+
+	if test ! -f "${GEN_ENV}"; then
+		abort "File not found: ${GEN_ENV}"
+	fi
+
+	_DIR_FILE=$(dirname $1)
+	mkdir -p $_DIR_FILE
+
+	$GEN_ENV > $1
+	ok "ENVs generated... ${1}"
+}

bin/helper/wait

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+#!/bin/sh
+
+: ${SLEEP_LENGTH:=2}
+: ${TIMEOUT_LENGTH:=60}
+
+DIR="$(cd $(dirname $0) && pwd)"
+BIN_DIR="$(cd $DIR/.. && pwd)"
+
+# Import functions
+. $BIN_DIR/helper/fn
+
+wait_for() {
+	START="$(date +%s)"
+	echo "Waiting for $1 to listen on $2..."
+	while ! nc -z $1 $2; do
+		if [ $(($(date +%s) - $START)) -gt $TIMEOUT_LENGTH ]; then
+			abort "Service $1:$2 did not start within $TIMEOUT_LENGTH seconds. Aborting..."
+		fi
+		echo "sleeping"
+		sleep $SLEEP_LENGTH
+	done
+}
+
+for var in "$@"
+do
+	host=${var%:*}
+	port=${var#*:}
+	wait_for $host $port
+	ok "Listening ${host}:${port}"
+done
+
+exit 0