basic data science tools

.coveralls.yml

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+service_name: travis-pro
+repo_token: CSOjgBaAO1GyLNwxHtMeoUWxu9kd1sUDs

.eslintrc

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+{
+  "extends": "eslint:recommended",
+  "plugins": [],
+  "parserOptions": {
+    "ecmaFeatures": {
+      "ecmaVersion": 6,
+      "jsx": true
+    }
+  },
+  "ecmaFeatures": {
+    "ecmaVersion": 6
+  },
+  "rules": {
+    "jsx-quotes": ["error", "prefer-double"],
+    "indent": ["error", 2],
+    "quotes": ["error", "single"],
+    "semi": ["warn", "always"],
+    "comma-dangle": ["warn", "always"],
+    "comma-spacing": "warn",
+    "array-bracket-spacing": "warn",
+    "object-curly-spacing": ["error", "always"],
+    "eqeqeq": "warn",
+    "no-cond-assign": ["warn", "always"],
+    "no-unused-vars": "warn",
+    "no-console": "warn",
+    "brace-style": ["warn", "1tbs"],
+    "strict": ["error", "safe"]
+  },
+  "env": {
+    "browser": true,
+    "commonjs": true,
+    "es6": true,
+    "node": true,
+    "mocha": true
+  }
+}

.eslintrc.json

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+{
+  "extends": "eslint:recommended",
+  "plugins": [],
+  "parserOptions": {
+    "ecmaFeatures": {
+      "ecmaVersion": 6,
+      "jsx": true
+    }
+  },
+  "ecmaFeatures": {
+    "ecmaVersion": 6
+  },
+  "rules": {
+    "jsx-quotes": ["error", "prefer-double"],
+    "indent": ["error", 2],
+    "quotes": ["error", "single"],
+    "semi": ["warn", "always"],
+    "comma-dangle": ["warn", "always"],
+    "comma-spacing": "warn",
+    "array-bracket-spacing": "warn",
+    "object-curly-spacing": ["error", "always"],
+    "eqeqeq": "warn",
+    "no-cond-assign": ["warn", "always"],
+    "no-unused-vars": "warn",
+    "no-console": "warn",
+    "brace-style": ["warn", "1tbs"],
+    "strict": ["error", "safe"]
+  },
+  "env": {
+    "browser": true,
+    "commonjs": true,
+    "es6": true,
+    "node": true
+  }
+}

.npmignore

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+node_modules

.travis.yml

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+language: node_js
+node_js:
+  - '9'
+  - '8'
+  - '6'
+env:
+  - CXX=g++-4.8
+addons:
+  apt:
+    sources:
+      - ubuntu-toolchain-r-test
+    packages:
+      - g++-4.8
+
+notifications:
+  irc:
+    channels:
+      - "irc.freenode.org#periodicjs"
+    template:
+      - "Build by %{author} :"
+      - "Git Info: %{branch} - %{commit} with the message %{commit_message}"
+      - "Travis states: %{message}"
+      - "Build Details: %{build_url}"
+      - "Change View: %{compare_url}"
+      - "result = %{result}"
+      - "elapsed time... %{duration}"
+    use_notice: true
+    skip_join: false
+
+before_script:
+  - npm install 
+
+install: 
+ - npm install  grunt-cli istanbul -g
+
+branches:
+  only:
+    - master
+    - devel
+git:
+  submodules: false  
+
+script: 
+  - npm set progress=false && grunt test

Gruntfile.js

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+'use strict';
+const path = require('path');
+const testPaths = 'test/**/*.js';
+
+module.exports = function (grunt) {
+  grunt.initConfig({
+    mocha_istanbul: {
+      coveralls: {
+        src: testPaths, // multiple folders also works
+        options: {
+          coverageFolder: 'coverage', // will check both coverage folders and merge the coverage results
+          coverage:true, // this will make the grunt.event.on('coverage') event listener to be triggered
+          check: {
+            lines: 5,
+            branches: 5,
+            functions: 5,
+            statements: 5,
+          },
+          // root: './lib', // define where the cover task should consider the root of libraries that are covered by tests
+          reportFormats: ['cobertura','lcovonly'],
+        }
+      }
+    },
+    istanbul_check_coverage: {
+      default: {
+        options: {
+          coverageFolder: 'coverage', // will check both coverage folders and merge the coverage results
+          check: {
+            lines: 80,
+            branches: 80,
+            functions: 80,
+            statements: 80,
+          },
+        },
+      },
+    },
+    coveralls: {
+    // Options relevant to all targets
+      options: {
+        // When true, grunt-coveralls will only print a warning rather than
+        // an error, to prevent CI builds from failing unnecessarily (e.g. if
+        // coveralls.io is down). Optional, defaults to false.
+        force: false,
+        excludes: ['**/bin/**']
+      },
+
+      all: {
+        // LCOV coverage file (can be string, glob or array)
+        src: 'coverage/*.info',
+        options: {
+          // Any options for just this target
+        },
+      },
+    },
+    simplemocha: {
+      options: {
+        globals: ['should', 'navigator','x'],
+        timeout: 3000,
+        ignoreLeaks: true,
+        ui: 'bdd',
+        reporter: 'spec',
+      },
+      all: {
+        src: testPaths,
+      },
+    },
+    jsdoc: {
+      dist: {
+        src: ['lib/*.js', ],
+        options: {
+          destination: 'doc/html',
+        },
+      },
+    },
+    browserify: {
+      dist: {
+        files: [{
+          expand: true,
+          cwd: __dirname,
+          src: ['./index.js'],
+          dest: 'bin'
+        }],
+        options: {
+          transform: [
+            ["babelify", {
+              presets: ["es2015","es2016","es2017","react"],
+              //plugins: ["proxy"]
+            }]
+          ]
+        }
+      }
+    }
+  });
+
+  // Loading dependencies
+  for (var key in grunt.file.readJSON('package.json').devDependencies) {
+    if (key.indexOf('grunt') === 0 && key !== 'grunt') {
+      grunt.loadNpmTasks(key);
+    }
+  }
+  grunt.registerTask('doc', 'jsdoc');
+  grunt.registerTask('test', 'mocha_istanbul');
+};

README.md

@@ -2,3 +2,4 @@
 Data Science Helpers for JavaScript
 
 use //npm i --python=/usr/bin/python
+//node --experimental-modules data_preprocessing_template.mjs