Added n-readlines project

Author: tools-utils

n-readlines/.babelrc

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+{
+  "presets": [
+    [
+    "@babel/preset-env",
+    {
+      "targets": {
+          "node": "current"
+      }
+    }
+    ]
+  ],
+  "plugins": ["@babel/plugin-transform-async-to-generator"]
+}
+  

n-readlines/.gitignore

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+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
+coverage
+
+# nyc test coverage
+.nyc_output
+
+# Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files)
+.grunt
+
+# Bower dependency directory (https://bower.io/)
+bower_components
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (http://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directories
+node_modules/
+jspm_packages/
+
+# Typescript v1 declaration files
+typings/
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# dotenv environment variables file
+.env
+
+# gatsby files
+.cache/
+public
+
+# Mac files
+.DS_Store
+
+# Yarn
+yarn-error.log
+.pnp/
+.pnp.js
+# Yarn Integrity file
+.yarn-integrity
+
+lib

n-readlines/README.md

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+# Introduction
+
+The implementation of [n-readlines](https://github.com/nacholibre/node-readlines) provides an elegant method to read a text file line-by-line.
+
+# Objectives
+
+# Implementation
+
+```sh
+npm install n-readlines --save
+# or
+yarn add n-readlines
+```
+
+```javascript
+import LineByLine from 'n-readlines'
+
+const fname = process.argv[2]
+const reader = new LineByLine(fname)
+
+let line = ''
+
+while (line = reader.next()) {
+  console.log(line.toString('utf8'))
+}
+```
+
+# References
+- [n-readlines](https://github.com/nacholibre/node-readlines)

n-readlines/package.json

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+{
+  "name": "n-readlines",
+  "version": "1.0.0",
+  "main": "index.js",
+  "license": "MIT",
+  "scripts": {
+    "build": "./node_modules/.bin/babel --version && ./node_modules/.bin/babel src -d lib",
+    "start": "node lib/index.js"
+  },
+  "devDependencies": {
+    "@babel/cli": "^7.7.7",
+    "@babel/core": "^7.7.7",
+    "@babel/plugin-transform-async-to-generator": "^7.7.4",
+    "@babel/preset-env": "^7.7.7"
+  },
+  "dependencies": {
+    "n-readlines": "^1.0.0"
+  }
+}

n-readlines/src/index.js

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+import LineByLine from 'n-readlines'
+
+const fname = process.argv[2]
+const reader = new LineByLine(fname)
+
+let line = ''
+
+while (line = reader.next()) {
+  console.log(line.toString('utf8'))
+}