Publish

.babelrc

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+{
+  "presets": [
+    ["env", {
+      "targets": {
+        "node": "4.0.0"
+      }
+    }]
+  ],
+  "plugins": [
+    "add-module-exports"
+  ]
+}

.editorconfig

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+# http://editorconfig.org
+root = true
+
+[*]
+indent_style = space
+indent_size = 2
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+# The JSON files contain newlines inconsistently
+[*.json]
+insert_final_newline = ignore
+
+# Minified JavaScript files shouldn't be changed
+[**.min.js]
+indent_style = ignore
+insert_final_newline = ignore
+
+[*.md]
+trim_trailing_whitespace = false
+

.eslintrc

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+{
+  "extends": "standard",
+  "env": {
+    "jest": true
+  }
+}

.gitignore

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+# File created using '.gitignore Generator' for Visual Studio Code: https://bit.ly/vscode-gig
+
+# Created by https://www.gitignore.io/api/node,visualstudiocode,windows
+
+### Node ###
+# 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
+
+# Yarn Integrity file
+.yarn-integrity
+
+# dotenv environment variables file
+.env
+
+### VisualStudioCode ###
+.vscode/*
+!.vscode/settings.json
+!.vscode/tasks.json
+!.vscode/launch.json
+!.vscode/extensions.json
+.history
+
+### Windows ###
+# Windows thumbnail cache files
+Thumbs.db
+ehthumbs.db
+ehthumbs_vista.db
+
+# Folder config file
+Desktop.ini
+
+# Recycle Bin used on file shares
+$RECYCLE.BIN/
+
+# Windows Installer files
+*.cab
+*.msi
+*.msm
+*.msp
+
+# Windows shortcuts
+*.lnk
+
+
+# End of https://www.gitignore.io/api/node,visualstudiocode,windows
+
+# Custom rules (everything added below won't be overriden by 'Generate .gitignore File' if you use 'Update' option)
+
+/index.js

package.json

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+{
+  "name": "module-igniter",
+  "version": "0.1.0",
+  "description": "Node module loader and executor.",
+  "main": "index.js",
+  "repository": "https://github.com/ekoeryanto/module-igniter.git",
+  "author": "Eko Eryanto <ekoeryanto@gmail.com>",
+  "license": "MIT",
+  "scripts": {
+    "prebuild": "yarn test",
+    "build": "babel src -d .",
+    "test": "jest",
+    "prepublish": "yarn build"
+  },
+  "devDependencies": {
+    "babel-cli": "^6.26.0",
+    "babel-core": "^6.26.3",
+    "babel-plugin-add-module-exports": "^0.2.1",
+    "babel-preset-env": "^1.7.0",
+    "eslint": "^4.19.1",
+    "eslint-config-standard": "^11.0.0",
+    "eslint-plugin-import": "^2.11.0",
+    "eslint-plugin-node": "^6.0.1",
+    "eslint-plugin-promise": "^3.7.0",
+    "eslint-plugin-standard": "^3.1.0",
+    "jest": "^22.4.3"
+  },
+  "eslintIgnore": [
+    "/index.js"
+  ]
+}

src/index.js

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+export default options => {
+  const prefix = options.prefix || ''
+
+  return (...plugs) => {
+    if (plugs.length < 1) throw new Error('No module to load')
+
+    const last = plugs[plugs.length - 1]
+
+    // test will always true when param is array/object or non empty string
+    let test = Boolean(last)
+
+    // if test is true, check for boolean string
+    if (test && /false|true|\d/.test(last)) {
+      test = Boolean(JSON.parse(last))
+      plugs.pop()
+    }
+
+    if (!test) return []
+
+    return (
+      plugs
+        // remove dupe, empty and boolean(test) value
+        .filter((v, i, a) => a.indexOf(v) === i && typeof v !== 'boolean' && v)
+        .map(p => {
+          if (typeof p === 'string') {
+            return require(prefix + p)()
+          } else if (Array.isArray(p)) {
+            return p.map(name => require(prefix + name)())
+          }
+          return Object.keys(p)
+            .filter(x => p[x])
+            .map(
+              z =>
+                p[z] === true
+                  ? require(prefix + z)()
+                  : Array.isArray(p[z])
+                    ? require(prefix + z)(...p[z])
+                    : require(prefix + z)(p[z])
+            )
+        })
+        // flatten array
+        .reduce((a, c) => a.concat(c), [])
+    )
+  }
+}

tests/index.test.js

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+const igniter = require('../src')
+
+const plug = igniter({ prefix: '../tests/mocks/' })
+
+it('should throw if no param passed', () => {
+  expect(plug).toThrowError('No module to load')
+})
+
+describe('without argument', () => {
+  const expected = [
+    {
+      loaded: true,
+      option: [],
+      name: expect.stringMatching(/foo|bar|noop/)
+    }
+  ]
+
+  test('ignite by string params', () => {
+    expect(plug('noop', 'foo')).toEqual(expect.arrayContaining(expected))
+  })
+  test('ignited module count', () => {
+    expect(plug('noop', 'foo')).toHaveLength(2)
+  })
+  test('ignite by array params', () => {
+    expect(plug(['noop', 'foo'])).toEqual(expect.arrayContaining(expected))
+  })
+  test('ignited module count', () => {
+    expect(plug(['noop', 'foo'])).toHaveLength(2)
+  })
+  test('ignite by boolean object params', () => {
+    expect(plug({ noop: true, foo: true })).toEqual(
+      expect.arrayContaining(expected)
+    )
+  })
+  test('ignited module count', () => {
+    expect(plug({ noop: true, foo: true })).toHaveLength(2)
+  })
+  test('ignited by boolean false object ommited', () => {
+    expect(plug({ noop: true, foo: false })).toHaveLength(1)
+  })
+  test('duplicate module ommited', () => {
+    expect(plug('noop', 'foo', 'noop')).toHaveLength(2)
+  })
+
+  describe('test (last) param', () => {
+    describe('falsy have no module', () => {
+      test('0', () => {
+        expect(plug('foo', 'noop', 0)).toHaveLength(0)
+      })
+      test('`0`', () => {
+        expect(plug('foo', 'noop', `0`)).toHaveLength(0)
+      })
+      test('false', () => {
+        expect(plug('foo', 'noop', false)).toHaveLength(0)
+      })
+      test('`false`', () => {
+        expect(plug('foo', 'noop', `false`)).toHaveLength(0)
+      })
+      test('undefined', () => {
+        expect(plug('foo', 'noop', undefined)).toHaveLength(0)
+      })
+      test('null', () => {
+        expect(plug('foo', 'noop', null)).toHaveLength(0)
+      })
+      test('``', () => {
+        expect(plug('foo', 'noop', '')).toHaveLength(0)
+      })
+      test('NaN', () => {
+        expect(plug('foo', 'noop', NaN)).toHaveLength(0)
+      })
+    })
+
+    describe('truthy have the modules', () => {
+      test('1', () => {
+        expect(plug('foo', 'noop', 1)).toHaveLength(2)
+      })
+      test('`1`', () => {
+        expect(plug('foo', 'noop', `1`)).toHaveLength(2)
+      })
+      test('true', () => {
+        expect(plug('foo', 'noop', true)).toHaveLength(2)
+      })
+      test('`true`', () => {
+        expect(plug('foo', 'noop', `true`)).toHaveLength(2)
+      })
+    })
+  })
+})
+
+describe('with argument', () => {
+  const expected = option =>
+    expect.arrayContaining([
+      expect.objectContaining({
+        name: expect.stringMatching(/foo|bar|noop/),
+        loaded: true,
+        option: expect.arrayContaining(option)
+      })
+    ])
+  it('should have single option object in module', () => {
+    expect(plug({ foo: { baz: 1 } })).toEqual(
+      expected([expect.objectContaining({ baz: 1 })])
+    )
+  })
+  it('should have multiple option object in module', () => {
+    expect(plug({ foo: [{ baz: 1 }, { bax: 1 }] })).toEqual(
+      expected([
+        expect.objectContaining({ baz: 1 }),
+        expect.objectContaining({ bax: 1 })
+      ])
+    )
+  })
+})

tests/mocks/bar.js

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+module.exports = (...option) => {
+  return {
+    name: 'bar',
+    loaded: true,
+    option
+  }
+}

tests/mocks/foo.js

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+module.exports = (...option) => {
+  return {
+    name: 'foo',
+    loaded: true,
+    option
+  }
+}

tests/mocks/noop.js

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+module.exports = (...option) => {
+  return {
+    name: 'noop',
+    loaded: true,
+    option
+  }
+}