Created initial layer2 for Members SDK

closes #9

ghost/sdk/layer2/.eslintrc.js

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+module.exports = {
+    plugins: ['ghost'],
+    extends: [
+        'plugin:ghost/node',
+    ]
+};

ghost/sdk/layer2/LICENSE

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+MIT License
+
+Copyright (c) 2018 Ghost Foundation
+
+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.

ghost/sdk/layer2/README.md

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+# Members Layer 2
+
+## Install
+
+`npm install @tryghost/members-layer2 --save`
+
+or
+
+`yarn add @tryghost/members-layer2`
+
+
+## Usage
+
+### As a drop in script:
+
+This will attack a `Members` object to the window, with a `getToken` method.
+
+It will automatically hide and show the elements with `data-members-signin` and `data-members-signout` attributes
+
+```html
+<script src="members-layer2.dropin.js"></script>
+```
+
+### As a library
+
+```html
+<script src="members-layer2.lib.js"></script>
+<script>
+    Members.init(); // Sets up binding the elements to the login/logout state
+
+    Members.getToken();
+</script>
+```
+
+```javascript
+const Members = require('@tryghost/members-layer2');
+
+Members.init(); // Sets up binding the elements to the login/logout state
+
+Members.getToken();
+```
+
+
+## Develop
+
+This is a mono repository, managed with [lerna](https://lernajs.io/).
+
+Follow the instructions for the top-level repo.
+1. `git clone` this repo & `cd` into it as usual
+2. Run `yarn` to install top-level dependencies.
+
+
+## Run
+
+- `yarn dev`
+
+
+## Test
+
+- `yarn lint` run just eslint
+- `yarn test` run lint and tests
+
+
+
+
+# Copyright & License
+
+Copyright (c) 2018 Ghost Foundation - Released under the [MIT license](LICENSE).

ghost/sdk/layer2/drop-in.js

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+const Members = require('./');
+const ready = require('document-ready');
+
+ready(Members.init);
+
+module.exports = Members;

ghost/sdk/layer2/index.js

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+const Members = require('@tryghost/members-layer1');
+
+const members = Members.create();
+
+const show = el => el.style.display = 'block';
+const hide = el => el.style.display = 'none';
+
+module.exports = {
+    getToken() {
+        return members.getToken();
+    },
+    init() {
+        const signin = document.querySelector('[data-members-signin]');
+        const signout = document.querySelector('[data-members-signout]');
+
+        const render = (signedIn) => {
+            const promise = signedIn !== undefined ? Promise.resolve(signedIn) : members.getToken();
+            return promise.then((token) => {
+                if (token) {
+                    show(signout);
+                    hide(signin);
+                } else {
+                    show(signin);
+                    hide(signout);
+                }
+            });
+        };
+
+        signin.addEventListener('click', (event) => {
+            event.preventDefault();
+            members.login()
+                .then(render);
+        });
+
+        signout.addEventListener('click', (event) => {
+            event.preventDefault();
+            members.logout()
+                .then((success) => {
+                    render(!success);
+                });
+        });
+
+        return render();
+    }
+};

ghost/sdk/layer2/package.json

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+{
+  "name": "@tryghost/members-layer2",
+  "version": "0.0.0",
+  "repository": "https://github.com/TryGhost/Ghost-SDKs/tree/master/packages/members/layer2",
+  "author": "Ghost Foundation",
+  "license": "MIT",
+  "main": "index.js",
+  "scripts": {
+    "dev": "echo \"Implement me!\"",
+    "test": "NODE_ENV=testing mocha './test/**/*.test.js'",
+    "lint": "eslint . --ext .js --cache",
+    "build:lib": "browserify -t varify -t es6ify -s Members index.js > build/members-layer2.lib.js",
+    "build:drop-in": "browserify -t varify -t es6ify -s Members drop-in.js > build/members-layer2.dropin.js",
+    "prebuild": "rm -rf build && mkdir build",
+    "build": "npm run build:lib && npm run build:drop-in",
+    "posttest": "yarn lint"
+  },
+  "publishConfig": {
+    "access": "public"
+  },
+  "devDependencies": {
+    "browserify": "^16.2.3",
+    "es6ify": "^1.6.0",
+    "eslint": "^5.9.0",
+    "mocha": "5.2.0",
+    "should": "13.2.3",
+    "sinon": "7.1.1",
+    "varify": "^0.2.0"
+  },
+  "dependencies": {
+    "@tryghost/members-layer1": "file:../layer1",
+    "bluebird": "^3.5.3",
+    "document-ready": "^2.0.1",
+    "ghost-ignition": "^2.9.6",
+    "lodash": "^4.17.11"
+  }
+}

ghost/sdk/layer2/test/.eslintrc.js

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+module.exports = {
+    plugins: ['ghost'],
+    extends: [
+        'plugin:ghost/test',
+    ]
+};

ghost/sdk/layer2/test/hello.test.js

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+// Switch these lines once there are useful utils
+// const testUtils = require('./utils');
+require('./utils');
+
+describe('Hello world', function () {
+    it('Runs a test', function () {
+        // TODO: Write me!
+        'hello'.should.eql('hello');
+    });
+});

ghost/sdk/layer2/test/utils/assertions.js

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+/**
+ * Custom Should Assertions
+ *
+ * Add any custom assertions to this file.
+ */
+
+// Example Assertion
+// should.Assertion.add('ExampleAssertion', function () {
+//     this.params = {operator: 'to be a valid Example Assertion'};
+//     this.obj.should.be.an.Object;
+// });

ghost/sdk/layer2/test/utils/index.js

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+/**
+ * Test Utilities
+ *
+ * Shared utils for writing tests
+ */
+
+// Require overrides - these add globals for tests
+require('./overrides');
+
+// Require assertions - adds custom should assertions
+require('./assertions');

ghost/sdk/layer2/test/utils/overrides.js

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+// This file is required before any test is run
+
+// Taken from the should wiki, this is how to make should global
+// Should is a global in our eslint test config
+global.should = require('should').noConflict();
+should.extend();
+
+// Sinon is a simple case
+// Sinon is a global in our eslint test config
+global.sinon = require('sinon');